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38A-124 (7) KOLLMORGEN ELECTRO-OPTICAL END OF SECTION October 23,2009 02950- 19 PLANTING KOLLMORGEN ELECTRO-OPTICAL Representative to determine whether or not all planting work has been performed to the requirements of this Division 2 Section,PLANTING. D. Acceptance Standards at end of the Monitoring Period: If plant material is reviewed when it is in full leaf, leaves shall be plump with water with a shape indicative of the species and shall be free of insect, pest and disease damage. Twigs shall have living cambium for their full length. Twigs and branches shall have a full bud set for their full length, including terminal buds. Trunks and branches shall be free of frost cracks; sun scald; damage due to insects, pests, and disease; structural defects; and damage resulting from machinery or tools. Plant material inspected and reviewed when the plants are not in full leaf shall have twigs, branches and trunks meeting the above requirements. All plants regardless of the season of review shall have a minimum of 75 percent healthy, balanced branching structure with a healthy terminal leader(s)with viable terminal bud(s). E. If any number of plants do not meet these Acceptance Standards at the time of inspection, or if in the Owner's Representative's opinion, workmanship is unacceptable, written notice will be given by the Owner's Representative to the Contractor in the form of a punch list, which itemizes necessary planting replacements and/or other deficiencies to be remedied. The Contractor's responsibility for maintenance of all plants shall be extended until replacements are made or other deficiencies are corrected. All plants that do not meet these Acceptance Standards shall be removed from the project within seven days of receipt of the punch list. Replacements shall conform in all respects to the Specifications for new plants and shall be planted in the same manner F. Following the correction of all Punch List deficiencies, the Contractor shall request in writing that the Owner's Representative formally inspect the planting work. If plant materials and workmanship are acceptable, the Owner's Representative will issue a written Certificate of Final Acceptance to the Contractor. 3.05 GUARANTEE A. The date of the Certificate of Final Acceptance shall establish the completion of the maintenance period and the commencement of the required one-year guarantee and establishment period for planting work. B. At the end of the guarantee and establishment period, a final inspection will be held to determine whether any plant material replacements are required. Each plant shall be plumb, shall have a character that is natural for its species as determined by the Owner's Representative, and shall conform to the Acceptance Standards described in this Division 2 Section, PLANTING. Plants found to be unacceptable shall be removed promptly from the site and replaced according to this Division 2 Section, PLANTING. A final inspection will be made after the replacement plants have lived through one year. C. At the end of the one-year guarantee and establishment period, remove all tree stakes, guys, or anchors installed on trees during the course of the work of this contract. D. All replacements shall be plants of the same kind and size specified in the PLANT LIST. The cost shall be borne by the Contractor, except for possible replacements due to vandalism or neglect on the part of others. October 23, 2009 02950- 18 PLANTING KOLLMORGEN ELECTRO-OPTICAL a. Water shall be applied by I inch diameter hose with an attached metering gauge. 2. For trees in lawn or mulched beds, apply water to the ground surface directly under the canopy. Water shall be applied at a sufficiently slow rate to prevent run off from the soil surface but great enough to equal 0.2 inches of water per square foot( of canopy area per hour for 5 hours per week. 3. Stakes shall be kept plumb and neat in appearance. Guys shall be tightened and repaired weekly. 4. Planting beds and individual plant pits shall be kept free of weeds, and mulch shall be replaced as required to maintain the specified layer of mulch. Beds and individual pits shall be neat in appearance and maintained to the designed layout. 5. Plants that die during the maintenance period shall be removed and replaced by the Contractor within one week of notification and replaced during that growing season, unless directed otherwise by the Owner's Representative. 6. Spraying of insecticides or herbicides shall be done by State-licensed professionals. Spraying for insects, pests and diseases shall conform to the National Arborist Association Standards under the section entitled "Standards for Pesticide Application Operations", as currently adopted and as approved by the Owner's Representative. All insecticides,pesticides, and herbicides shall be EPA-approved and shall conform to the requirements MCRG: Massachusetts Control Recommendation Guide for Insect, Disease, and Weed Pests of Shade Trees and Woody Ornamentals, latest edition, University of Massachusetts,Amherst,College of Food and Natural Resources. 7. Work of pruning, fertilizing, spraying, and similar activities shall be undertaken only by Certified Arborists and licensed chemical applicators, as pertinent to the work being performed. C. During the maintenance period, any decline in the condition of plantings shall require the Contractor to take immediate action to identify potential problems and undertake corrective measures. If required, the Contractor shall engage professional arborists and/or horticulturalists to inspect plant materials and to identify problems and recommend corrective procedures. The Owner's Representative shall be immediately advised of such actions. Inspection and recommendation reports shall be submitted to the Owner's Representative. 3.04 ACCEPTANCE A. Upon completion of all planting work, the Contractor shall request in writing that the Owner's Representative formally inspect the planting work. B. If plant materials and workmanship are acceptable, the Owner's Representative will issue a written Certificate of Conditional Acceptance to the Contractor. C. Following the issuance of the Certificate of Conditional Acceptance to the Contractor, the Contractor shall maintain the plants for a minimum 30 day Monitoring Period. At the end of the Monitoring Period, the plant material will be inspected by the Owner's October 23,2009 02950- 17 PLANTING KOLLMORGEN ELECTRO-OPTICAL Owner's Representative in writing of this condition. Watering rates for trees, shrubs, ground cover, vines and perennials in free draining soils are presented here as guidelines to ensure that the top six inches of plant bed soil remains moist at all times. Actual watering rates may vary depending upon soil conditions. Guideline rates shall be as follows: Type of Plant/Size Weekly Watering Rate Deciduous Trees: I - 1-1/2 in. caliper 40 gallons 1-1/2-2 in. caliper 54 gallons 2 -2-1/2 in. caliper 61 gallons 2-1/2- 3 in. caliper 70 gallons 3 -3-1/2 in. caliper 80 gallons 3-1/2-4 in. caliper 90 gallons 4-4-1/2 in. caliper 100 gallons 4-1/2- 5 in. caliper 110 gallons 5- 5-1/2 in. caliper 120 gallons 5-1/2 - 6 in. caliper 130 gallons Type of Plant/Size Weekly Watering Rate Evergreen Trees: 1 - 2 ft. height 25 gallons 2- 3 ft. height 30 gallons 3 -4 ft. height 35 gallons 5 - 6 ft. height 40 gallons 6 - 7 ft. height 45 gallons 7- 8 ft. height 50 gallons 8- 9 ft. height 60 gallons 9- 10 ft. height 70 gallons 10- I 1 ft. height 80 gallons 11 - 12 ft. height 90 gallons Shrubs Up to 2 ft. height 10 gallons 2 -4 ft. height 20 gallons 4-6 ft. height 30 gallons 6- 8 ft. height 40 gallons Vines 5 gallons Perennials 5 gallons October 23,2009 02950- 16 PLANTING KOLLMORGEN ELECTRO-OPTICAL M. Pruning: 1. As directed by the Owner's Representative, each plant shall be pruned in accordance with the workmanship requirements of"Pruning Standards" for Class I, fine pruning,to preserve the natural character of the plant. 2. Tree pruning, as required, shall be undertaken to the full height of affected trees. 3. All dead wood or suckers and all broken or badly bruised branches shall be removed. Never cut a leader. N. Antidesiccant shall be applied to all evergreen and broadleaf evergreen plants in December and again in February, according to manufacturer's application recommendations and as directed by the Owner's Representative. O. If planting is done after lawn preparation or installation, proper protection of lawn areas shall be provided. Any damage resulting from planting operations shall be repaired immediately at no cost to the Owner. Repair work shall be as specified and installed under the work of Division 2 Section, LAWNS, of this Specification and paid for under this Division 2 Section,PLANTING. O. Protect existing lawns from damage. Any damage resulting from planting operations shall be repaired immediately at no cost to the Owner. Repair work shall be as specified and installed under the work of Division 2 Section, LAWNS, of this Specification and paid for under this Division 2 Section,PLANTING. P. In the event that rock or underground construction work or obstructions are encountered in any plant pit or bed excavation work, alternate locations will be selected by the Owner's Representative. Relocation of plant pits or beds shall be provided at no additional cost to the Owner. Provide the Owner's Representative with no less than 48 hours notice of obstruction so that a site visit can be scheduled to establish new locations for plants. Q. Absolutely no debris may be left on the site. Repair any damage to site as directed by the Owner's Representative, at no additional cost. 3.03 MAINTENANCE A. Maintenance period shall begin upon completion of planting and shall continue for a minimum 30-day Monitoring Period and until Final Acceptance. B. Maintenance shall consist of keeping the plants in a healthy growing condition and shall include but is not limited to watering, weeding, cultivating, pruning, re-mulching, tightening and repairing of guys,straightening of trees to a plumb position, removal of dead material, resetting plants to proper grades or upright position, and maintaining the planting saucer. 1. Plants shall be inspected for watering needs at least twice each week and watered to promote plant growth and vitality. The following watering rates assume that the soil is free draining. If the on site conditions do not ensure a free draining soil,then notify the October 23,2009 02950- 15 PLANTING KOLLMORGEN ELECTRO-OPTICAL J. Keeping Trees Plumb: 1. Contractor shall keep trees plumb and upright at all times. To this end the Contractor shall either; a. Stake and guy all trees; or b. Monitor plants on a regular basis and, if a tree is moved out of plumb, then straighten the tree to a vertical,upright condition. 2 If Contractor chooses to keep trees plumb and upright by above ground staking, guying, or anchoring,then the work of this item shall be performed at the time of planting, unless otherwise approved or directed by the Owner's Representative. Stakes shall be of even height,plumb and neat in appearance and they shall not injure plant balls. Anchoring devices shall be applied as follows: a. Elastic webbing, belting or tape shall be installed in accordance with manufacturer's instructions. 3 If Contractor chooses to keep trees plumb and upright by resetting trees that move out of vertical alignment,then the work of this item shall include: a. Tree inspections on a weekly basis and after storms or abnormally windy days to determine if the trees have shifted out of vertical alignment and require resetting. b. Reset trees that have moved out of plumb by carefully excavating the soil from the base of the rootball facing away from the direction of tilt and easing the tree upright into a vertical,plump position. Upon righting the tree,firmly press the soil around the base of the rootball to reset the tree. c. The Contractor shall retain the right to stake, guy, or anchor the tree into place in accordance with the requirements of this Division 2 Section,PLANTING. d. Mulch and water the tree in accordance with the requirements of this Division 2 Section,PLANTING, immediately after the work of resetting. K. Mulch material shall be placed over entire saucer areas of individual trees and shrubs and over the entire area of planting beds to a depth of 3 inches after settlement, not later than one week after planting. Do not apply mulch prior to the first watering of plant materials. Do not apply mulch prior to placement of surface applied fertilizer and verification of placement by the Owner's Representative. L. The trunks of all deciduous trees over 1-1/2 inches in diameter shall be wrapped by the Contractor immediately after the inspection of the trees by the Owner's Representative. Wrapping shall extend from the ground line to the height of the second branches or to the height directed. The specified wrapping shall be wound spirally, starting from the base and overlapping 1-1/2 inches in order to shed water. Wrapping shall be securely taped to prevent loosening and unraveling. If trees are planted in springtime, do not apply any tree wrapping. If deciduous trees are planted in the autumn, wrap the trees and then remove wrapping the following spring. 1. Trees delivered to the site wrapped for protection shall be unwrapped at the site for inspection of the trunk by the Contractor and Owner's Representative. October 23, 2009 02950- 14 PLANTING KOLLMORGEN ELECTRO-OPTICAL 10. Prior to completion of planting installations,remove rope and cut wire baskets from the top 1/3 of the root balls. Pull burlap away from the trunk or stem of the plant and cut burlap from the top 1/3 of the root balls. 11. Contractor shall'butterfly'the root system for all container grown perennials immediately prior to planting them. Butterflying shall consist of vertically cutting the containerized root ball with a spade through the bottom half of the rootball followed by gently pulling the rootball open at the cut while placing it into the planting hole. The butterflied root system shall be placed over a small ridge of soil in the planting pit in order to assure as much soil to root ball contact as possible and to keep the halves apart. 12. Planting soil shall be backfilled with approved planting soil to the full depth of the planting pit or bed. Eliminate air pockets and compact the soil by flooding the tree pit or plant bed within 2 hours of planting installation.After water has drained from the planting pit or bed and planting backfill has dried enough additional planting soil shall be spread in pit or bed to bring the finished surface of the planting pit or bed to grades shown on the Contract Documents. A saucer shall be formed around each plant at a depth of 3 inches for trees and for shrubs. 13. Fertilizer shall be spread over the plant saucer or plant bed between the saucer and the edge of the rootball. Till the fertilizer into the soil to a depth of four inches prior to the placement of the planting mulch. Fertilizer shall be provided, spread and paid for under the Division 2 Section,PLANTING SOILS, of this Specification. Do not mulch until placement of the fertilizer has been verified by the Owner's Representative. Fertilizer application rates shall be as determined by soil testing, analysis,and testing laboratory recommendations specified,performed and paid for under the Division 2 Section, PLANTING SOILS, of this Specification. 14. All trees and shrubs shall be inoculated with mycorrhizal fungi. Inoculant shall be added after the plants have been placed in their holes. Open the required number of packets for each plant and thoroughly mix the inoculant powder into the upper 10 inches of backfill soil. a. Mycorrhizal fungal inoculant shall be added to the plant pits according to plant size. b. The application rates for mycorrhizal fungal packets shall be in accordance with the manufacturer's recommendations. c. Submit the purchasing receipt showing the total quantity purchased for the project prior to installation. Submit empty packets of fungal spore inoculant to the Owner's Representative for verification of use. Owner's Representative will excavate tree pits to determine presence of mycorrhizal fungal inoculant. 1. All plants shall be watered immediately following planting as necessary to thoroughly moisten rootball and plant pit loam and thereafter shall be inspected frequently for watering needs and watered, as required, to provide adequate moisture in the planting pit. The Contractor shall inspect tree pits 24 hours after initial watering to confirm that they are draining properly. If surface water or excessively saturated plant pit soils exist, the Contractor shall immediately notify the Owner's Representative. The Owner's Representative will recommend remedial measures based upon site conditions. October 23,2009 02950- 13 PLANTING KOLLMORGEN ELECTRO-OPTICAL 2. Locations for all plants and outlines for planting areas shall be staked on the ground by the Contractor for approval by the Owner's Representative before any plant pits or plant beds are dug.Notify the Owner's Representative no less than 3 days prior to desired date of inspection of staking to schedule site visit. 3. Circular plant pits shall not be required provided that the minimum dimension between the edge of the pit and the face of the rootball is not less than required by this Division 2 Section,PLANTING. 4. All plant pits dug with a machine shall have the sides of the holes scraped with hand shovels to prevent glazing or compaction of the sides of the hole. Remove and stockpile excavated loam for reuse as backfill for plant pit. All subsoil excavated from the bottoms of planting pits shall be removed from the site. 4. All plant pits shall be hand dug. Remove and stockpile excavated loam for reuse as backfill for plant pit.All subsoil excavated from the bottoms of planting pits shall be removed from the site. 5. Plant pits shall be dug to the dimensions shown on the Contract Documents. a. Plant pits for trees shall be a minimum three times greater in diameter than the diameter of the root ball. Place root ball directly on subgrade. Slope sides of tree pits at a 45 degree angle. b. Individual plant pits for shrubs shall be two times greater in diameter than the diameter of the root ball. Place root ball directly on subgrade. Slope sides of pits at a 45 degree angle. c. Plant pits for trees and shrubs shall be dug to the depth of the rootball to be planted. d. Remove all soil from around the root flare of the stem of the plant and from the top of the rootball to determine the true depth of the rootball.All plants that have been planted and have root flares that are buried will be rejected. 6. Plug Planting: a. Plugs shall be planted at a uniform depth consistent with finish grade. Plugs shall be planted at depths as recommended by supplier,as shown on the Contract Documents,or both. Handle plants carefully to prevent damaging roots. Place each plant in individual hole and firm the planting mix around the roots. Water thoroughly and mulch as shown on the Contract Documents. Groundcover plants may be planted after the planting mulch is placed. 7. All plant roots and earth balls must be damp and thoroughly protected from sun and wind from the beginning of the digging operation,during transportation, and at the site until the final planting. 8. Remove container plants from containers prior to planting. 9. Trees and shrubs shall be placed in the center of plant pits,plumb,with the crown of their roots exposed and located above the surrounding finish grade. October 23, 2009 02950- 12 PLANTING KOLLMORGEN ELECTRO-OPTICAL Representative make plant source inspections. In the event that plants at the inspection location are found to be unavailable or of insufficient size,the Contractor shall be liable to reimburse the Owner for all costs of the Owner's Representative's hourly services which are incurred during unproductive inspection trips. 3. Unless specifically designated otherwise,a representative of the Contractor shall accompany the Owner's Representative on all plant material selection field trips. 4. All trees for the project shall be individually tagged for approval with the Owner's Representative's seals, and no trees shall be accepted for delivery to the site without such seals. Representative samples only of shrubs and ground cover plants may be tagged or marked for approval as an"Approved Typical Sample" and shipped to the site. Any shrub or groundcover plant that arrives at the construction site that does not meet the Approved Typical Sample will be rejected by the Owner's Representative. 5. Plants to be inspected shall be in locations and conditions that allow direct and un- obscured inspection by the Owner's Representative. Container grown or balled and burlapped shrubs shall be pulled from holding blocks by the nurseryman for scrutiny by the Owner's Representative at no additional cost to the Owner. Harvested trees held in storage shall not have branches tied up.Harvested trees shall not have trunks obscured by burlap, cardboard trunk protection, or other devices that would otherwise obscure inspection. In the event that branches are tied up,trunks are obscured by burlap or cardboard trunk protection, or root flares hidden by burlap and twine and the Owner's Representative cannot inspect root flares,trunks or branching habit,the Contractor shall bear all responsibility and costs associated with tree rejection at a later date during the course of the Contract. 6. Inspection and approval of plants at the source shall not impair the right of subsequent inspection and rejection upon delivery to the site, or during the progress of the work if the Owner's Representative finds that plants do not meet the requirements of the PLANT LIST or this Contract, have declined noticeably due to handling abuse, lack of maintenance, or other causes. Cost of replacements,as required, shall be borne by the Contractor. G. Placement of Loam for planting soil shall be specified, performed and paid for under the work of Division 2 Section, PLANTING SOILS, of this Specification. Obtain Owner's Representatives written approval of work of rough grading and finish grading prior to starting the work of planting. H. Planting: I. Notify the Owner's Representative three working days prior to the proposed arrival of plant material on the site. If not planted within 24 hours of delivery to the site,all plants shall be maintained in an on-site nursery. Container grown shrubs stored on site shall be shaded from direct sunlight at all times and shall not be stored directly on paved surfaces. All plants delivered to the site and not planted within 24 hours of delivery shall have their root balls covered with mulch and shall be watered on a daily basis such that root balls are kept moist throughout. October 23,2009 02950- 11 PLANTING KOLLMORGEN ELECTRO-OPTICAL 2.11 ANTIDESICCANTS A. Antidesiccants shall be emulsions or other materials which will provide a protective film over plant surfaces permeable enough to permit transpiration and specifically manufactured for that purpose. Manufacturer of antidesiccant shall be subject to the Owner's Representative's approval and shall be used only after approval by the Owner's Representative. Antidesiccant shall be delivered in containers of the manufacturer and shall be mixed and applied according to the manufacturer's instructions. PART 3 EXECUTION 3.01 PLANTING A. Furnishing and planting of plant material shall include, but shall not be limited to, the digging of planting pits and plant beds, amendment of loam as required to produce planting soil mix, provision of soil additives required to adjust for pH requirements of specific plants, furnishing the plants as specified as well as the labor of planting, fertilizing, and maintenance. B. Prior to spreading of loam, subgrades shall have been tested to determine if they are too compact to drain water as specified, performed and paid for under the work of Division 2 Section,PLANTING SOILS, of this Specification. C. The Contractor shall locate plant material sources and ensure that plants are shipped in timely fashion for installation. D. Contractor shall locate all existing underground utilities that are within 10 feet(3 meters)of the proposed planting pits and notify the Owner's Representative of any conflicts prior to digging plant pits. E. Seasons for Planting: 1. Spring: Deciduous materials-March 21 through May 1;Evergreen materials-April 15 through June 1. 2. Fall: Deciduous materials-October 1 through December 1; Evergreen materials - August 15 through October 15. F. Plant Material Inspection: 1. At least one month prior to the expected planting date,the Contractor shall request that the Owner's Representative provide a representative to select and tag stock to be planted under this Division 2 Section, PLANTING. The Contractor shall pay for the transportation, subsistence and overnight accommodations, if necessary, for the Owner's Representative's representative during the period of time required to select and tag the plant material. 2. The Contractor shall be responsible to certify the availability of quality plants in specified sizes from his/her sources of supply prior to requesting that the Owner's October 23,2009 02950- 10 PLANTING KOLLMORGEN ELECTRO-OPTICAL 3. The amount of either sulfur or limestone required to adjust the planting soil mix to the proper pH range shall be approved by the Owner's Representative on the basis of soil tests as specified, provided, installed and paid for under the Division 2 Section, PLANTING SOILS, of this Specification. 4. Planting soil mix for use in groundcover,perennial,and bulb planting shall consist of pH adjusted loam which has been thoroughly premixed with organic material in the proportions of one part organic matter(humus or peat),with 5 parts of approved loam. Organic material shall be specified,provided, installed and paid for under the Division 2 Section, PLANTING SOILS, of this Specification. 5. In those areas indicated on the Contract Documents, augment planting soil mix with 10 percent gypsum. Thoroughly premix gypsum into planting soil mix prior to commencing the planting operations. Gypsum shall be specified,provided, installed and paid for under the Division 2 Section, PLANTING SOILS, of this Specification. 2.08 STAKING, GUYING, AND ANCHORING MATERIALS A. Stakes for supporting trees shall be of sound wood of uniform shape and size, reasonably free of knots, insects and fungi and capable of standing in the ground at least two years. Unless noted otherwise, stakes shall be 10 feet long of 2 inch by 4 inch nominal size. Stakes shall be pointed at one end B. Elastic Webbing,Belting or Tape: 1. Guying system shall be elastic webbing,belting or tape which establishes contact with the trunk of the tree with a broad, smooth surface. Guying system shall not abrade or girdle tree. Submit guying system to the Owner's Representative for review and approval. 2.09 MULCH A. Bark Mulch: Mulch shall be high quality, double-ground, premium bark mulch of 70 percent hemlock bark with the balance spruce and pine bark. Mulch shall have been aged for a minimum of six months and not longer than two years. Bark mulch shall be shredded to a uniform size; free of dirt, debris and foreign matter; with pieces no thicker than 1/4 in. Mulch must be free of stringy material or chunks over 3 inches in size and shall not contain, in the judgment of the Owner's Representative,an excess of fine particles. Submit sample for the Owner's Representative's approval. 2.10 WATER A. Contractor shall provide all labor and water required to establish plants. During the maintenance period the Contractor shall water as required to insure that soil moisture is maintained to a depth of six inches or greater at all times. 1. 'Watering shall be done in a manner that will provide uniform coverage,prevent erosion due to application of excessive quantities over small areas,and prevent damage to the finished surface by the watering equipment. The Contractor shall furnish sufficient watering equipment to maintain required water levels in the soil. October 23,2009 02950-9 PLANTING KOLLMORGEN ELECTRO-OPTICAL G. Container grown plants which have roots growing out of the container will be rejected. 2.05 BARE ROOT SHRUBS A. Bare root shrubs shall be as noted on the PLANT LIST and shall be in accordance with the ASNS Standards of American Nursery &Landscape Association, except as modified in this Division 2 Section,PLANTING. B. Bare root stock shall have been propagated and grown to the required sizes in nurseries within Hardiness Zones 4a through 8a, as established by the USDA Plant Hardiness Zone Map. 2.06 MYCORRHIZAL FUNGAL INOCULANT A. Mycorrhizal fungal inoculant shall be live spores packaged in plastic packets. At a minimum each packet of inoculant shall contain the following: 1. Live spores of VA Endomycorrhizal fungi: Vesicular-Arbuscular mycorrihizae fungi, minimum of 8 species. 2. Live spores of Ectomycorrhizal fungi:including Pisolithus tinctorius. B. Mycorrhizal fungal inoculant shall be manufactured by Plant Health Care Incorporated,440 William Pitt Way, Pittsburgh, PA 15238, telephone: (800) 421-9051; Horticultural Alliance, 2946 Louise Street, Sarasota, FL 34237, (800) 628-6373;BioPlex Organics, 2213 Huber Drive,Manheim,PA 17545 (800)441-3573, or approved equal. 2.07 PLANTING SOIL MIX A. Planting soil mix shall be an approved loam borrow specified, provided, installed and paid for under the Division 2 Section, PLANTING SOILS, of this Specification and that has been pH adjusted according to particular planting applications and improved through the addition of organic matter as directed below. Planting loam shall conform to the following pH levels: 1. For broad-leaved evergreens and plants of the Heath Family,Ericaceae,requiring an acid soil,planting soil mix shall have a true pH of 4.5 to 5.5.Planting soil mix shall be amended by the Contractor at his own expense to the proper pH range by mixing with sulfur as specified,provided,installed and paid for under the Division 2 Section, PLANTING SOILS, of this Specification. Plants belonging to the Heath Family include but are not limited to the following genuses:Arctostaphylos, Calluna, Chamaedaphne,Enkianthus,Epigaea,Erica,Gaultheria, Gaylussacia,Kalmia, Oxydendron,Pieris, Rhododendron, Vaccinium, and Zenobia. 2. Planting soil mix for general planting of non-acid loving plants shall have a true pH value of 6.0 to 6.5. Planting soil mix shall be amended by the Contractor at his own expense to the proper pH range by mixing with dolomitic limestone as specified, provided, installed and paid for under the Division 2 Section,PLANTING SOILS,of this Specification. October 23,2009 02950- 8 PLANTING KOLLMORGEN ELECTRO-OPTICAL e. Graft unions shall be completely healed. f. No suckers or water sprouts. g. Contain no dead wood. h. Free of cracks, splits, or cambium peeling. 3. No shrub with pest or mechanical damage will be accepted. 4. Shrubs shall show no signs of frost or winter damage to the foliage.Foliage shall not be in a state of drought stress. Leaves or needles shall show no signs of wilt or desiccation due to weather stress at any season of the year. K. All perennials shall meet the following standards: 1. Perennials shall be listed in the PLANT LIST. 2. Perennials shall be healthy and well cared for,with no evidence of insects or diseases present. Insect-ridden or diseased plants shall be rejected. Plants shall have a deep green foliage and dense,compact growth. Perennials shall have multistemmed bases and shall be two year potted stock minimum,one year in cutting bench and one year in pots. 3. Plants shall be healthy,free of insects, and diseases. 2.04 ROOT SYSTEMS FOR ALL PLANTS A. Each plant shall have an extensive, symmetrically balanced fibrous root system. Any root ball which shows signs of asymmetry, girdling, injury, or damage to the root system shall be rejected. B. Curling or spiraling of the roots along the walls of rigid containers will not be accepted. Curling, spiraling or girdling roots within balled and burlapped material will not be accepted. C. All parts of the fibrous root system of all plants shall be moist and fresh with a white color when washed of soil. When the plant is removed from the container, the visible root mass shall be healthy with white root tips. The root systems of all plants shall be free of disease, insect pests,eggs, or larvae. D. All trees, and all shrubs which are not grown in containers must be moved with the root systems as solid units with balls of earth firmly wrapped with untreated 8 ounce natural, biodegradable fabric burlap, firmly laced with stout, natural biodegradable cord or twine. The base of the tree trunks shall be wrapped with a protective burlap layer, surrounded by a cardboard trunk protector, and loosely tied with twine. E. The diameter and depth of the balls of earth must encompass the fibrous and root feeding system necessary for the healthy recovery of the plant. Minimum root ball diameters and depths shall be in accordance with ASNS standards. F. No plants shall be loose in the container. October 23,2009 02950-7 PLANTING KOLLMORGEN ELECTRO-OPTICAL 9. No deciduous tree shall be pruned after the Owner's Representative has tagged the plant in the nursery except as directed by the Owner's Representative. 10. Unless otherwise noted on the PLANT LIST, shade trees for use in paved areas shall have no branches lower than 6.5 feet from finish grade and no higher than 7.5 feet from finish grade. Flowering trees for use in areas away from pedestrian traffic shall have the first branch of their crowns no higher than 4 feet from finish grade. 11. Branching of all deciduous trees shall be best quality representatives of the species, cultivar or variety with lateral branching around the entire trunk to form a symmetrical tree for 80 percent to 100 percent of the tree's outer perimeter. All branches on deciduous trees shall meet the trunk at angles no less than 30 degrees and no greater than 90 degrees from the vertical. I. Evergreen trees shall meet the following standards: 1. The height of the evergreen trees(measured from the trunk flair at the natural ground line of the tree to the midpoint of the terminal leader)shall be not less than the minimum size designated on the PLANT LIST. 2. No trees with double-leaders or twin-heads will be permitted. 3. Evergreen trees shall be of specified height with spread in proportion to height, as designated in ASNS Standards,and shall be well-branched to the ground. 4. All pruning wounds shall show vigorous bark on all edges at the time of harvest. 5. Terminal and top whorl buds of all evergreen trees shall be in healthy and whole condition at the time of harvest. 6. No evergreen tree shall be pruned after the Owner's Representative has tagged the tree in the nursery except as directed by the Owner's Representative. 7. All trees shall have healthy,vigorous leaves or needles of normal size,color, shape, and texture for the particular species and variety. J. All shrubs shall meet the following standards: 1. All shrubs shall be healthy and vigorous plants which are very well shaped,heavily branched, densely foliated,and true to form for the variety. 2. Canes or Trunk(s)and Branches: a. Well formed and sturdy. b. Branching shall be uniformly distributed close to the ground. c. Scars shall be free of rot and not exceed 1/4 the diameter of the wood beneath in greatest dimension unless completely healed(except pruning scars). d. Pruning scars shall be clean cut and shall leave little or no protrusion from the trunk or branch. October 23,2009 02950-6 PLANTING KOLLMORGEN ELECTRO-OPTICAL F. Plants shall be in accordance with ASNS Standards of the American Nursery & Landscape Association except as noted in this Division 2 Section, PLANTING. Botanical plant names shall be in accordance with plant designations included in Hortus III. G. If, at any time during the performance of the Contract, any plant shows signs of graft incompatibility, as determined by the Owner's Representative,then the tree or shrub and all other similarly grafted plants of the same Genus/Species/Variety shall be rejected and removed from the site. Visual symptoms of graft incompatibility as cause for rejection include: 1. Development of over-growths by rootstock or scion resulting in the development of shoulders or inverted shoulders. 2. Suckering of the rootstock combined with poor growth or dieback of scion. 3. Any mechanical weakness between scion and rootstock. 4. Any marked difference in bark pattern and structure between scion and rootstock. H. All deciduous trees shall meet the following standards: 1. Trees shall have a single, straight trunk,well formed,and sturdy. No part of the trunk shall be conspicuously crooked as compared with normal trees of the same variety. 2. Trees with multiple leaders shall conform to all standards noted in this Division 2 Section,PLANTING for single leader trees and shall be accepted only as noted on the PLANT LIST. 3. All pruning wounds shall show vigorous bark on all edges at the time of harvest. Trees shall be free from all signs of pest and disease damage. The trunk shall be free from sun scald, frost cracks,and wounds resulting from abrasions, fire,animal damage, or other causes. 4. Pruning scars within the crown of any tree shall be clean cut and shall leave no protrusion beyond the branch collar. 5. All trees shall have healthy,vigorous leaves or needles of normal size, color, shape, and texture for the particular species and variety. 6. Deciduous shade trees and deciduous flowering trees shall have fall color typical for their species and variety. 7. Unless otherwise indicated on the PLANT LIST,the height and spread of deciduous shade trees shall be the minimum requirements. 8. Take caliper measurements for deciduous trees 6 inches above ground level up to and including 4 inches caliper size and 12 inches above ground for larger sizes. October 23,2009 02950 - 5 PLANTING KOLLMORGEN ELECTRO-OPTICAL C. The ratio of laborers to certified landscape professionals or certified horticulturist shall not exceed twelve to one. Certified Landscape Professional or Certified Horticulturist shall be on the project site throughout the day to day performance of the work described in this Division 2 Section, PLANTING. D. Qualification of Arborist: All work of pruning shall be performed by an arborist certified by the Massachusetts Arborist Association or the International Society of Arboriculture. PART 2 PRODUCTS 2.01 LOAM BORROW A. Loam borrow for planting shall be specified, provided, installed and paid for under the work of the Division 2 Section, PLANTING SOILS,of this Specification. 2.02 SOIL ADDITIVES A. Soil additives shall be specified, provided, installed and paid for under Division 2 Section, PLANTING SOILS, of this Specification. 2.03 GRADES AND STANDARDS OF PLANTS A. The Contractor shall furnish all plants shown on the Contract Documents, as specified, and in quantities listed on the PLANT LIST. No substitutions will be permitted, without written approval by the Owner's Representative. All plants shall be nursery grown unless specifically authorized to be collected as noted on the PLANT LIST. B. Plant materials specified as 2" plugs shall be sourced from either New England Wetland Plants, 820 West Street, Amherst, MA 01002 (413) 548-8000 or Ernst Conservation Seeds, 9006 Mercer Pike, Meadville PA 16335,(800) 873-3321 Due to the large quantity of plugs required to complete planting, it may be required to coordinate a pre-grow contract with the nursery to ensure that the quantity of plants required are available at time of planting. Contractor is responsible for coordinating grow contract with Landscape Architect and Owner. C. The following plant material shall be provided as pot in pot grown trees provided by Hopewell Nursery, Bridgeton,NJ(856)-451-5552. Pot in pot plant material shall adhere to the standards outlined within this specification section. 1. Quercus bicolor—Swamp Oak 2. Quercus rubra—Red Oak E. All plants shall be typical of their species or variety and shall have a normal habit of growth and be legibly tagged with the proper name. Only plant stock grown within Hardiness Zones 1 through 6b, as established by the USDA Plant Hardiness Zone Map, latest edition, will be accepted. October 23,2009 02950-4 PLANTING KOLLMORGEN ELECTRO-OPTICAL 6. Mycorrhizal Fungal Inoculant: a. Submit manufacturer's product data certifying that inoculant being supplied conforms to these Specifications. b. Submit the purchasing receipt showing the total quantity purchased for the Project prior to installation. c. Submit empty packets of fungal spore inoculant to the Owner's Representative for verification of use. 7. Tree Staking System: Submit manufacturer's product data of system. 8. Soil Additives: Submit manufacturer's product data for all soil additives needed to amend a specific soil in order to meet the requirements of this Division 2 Section, PLANTING. 1.06 EXAMINATION OF CONDITIONS A. All areas to be planted shall be inspected by the Contractor before starting work and any defects such as incorrect grading or inadequate drainage shall be reported to the Owner's Representative prior to beginning this work. B. The Contractor shall be solely responsible for judging the full extent of work requirements involved, including but not limited to the potential need for storing and maintaining plants temporarily and/or re-handling plants prior to final installation. C. All plants are the full responsibility of the Contractor between the time of digging at the nursery and final acceptance. 1.07 QUALITY ASSURANCE A. Qualification of Landscape Contractor: The work of this Division 2 Section, PLANTING, shall be performed by a landscape contracting firm which has successfully installed work of a similar quality, schedule requirement, and construction detailing with a minimum of five years experience. Proof of this experience shall be submitted per SUBMITTALS paragraph of this Division 2 Section, PLANTING. B. Qualification of Foreman or Crew Leader: All work of unloading, stockpiling, storing, transporting on-site, planting, staking and guying, fertilizing, and maintenance of trees, shrubs, vines, groundcover, and perennials shall be supervised by a foreman or crew leader who is a certified landscape professional or a certified horticulturist. 1. Landscape professional shall be a Massachusetts Certified Landscape Professional certified by the Associated Landscape Contractors of Massachusetts. 2. Horticulturist shall be a Massachusetts Certified Horticulturist as certified by the Massachusetts Nursery and Landscape Association. 3. Certification shall be current.Proof of certification shall be submitted per SUBMITTALS paragraph of this Division 2 Section,PLANTING. October 23,2009 02950 -3 PLANTING KOLLMORGEN ELECTRO-OPTICAL 2. Tree and Shrub Transplanting Manual, E.B. Himelick, 1991, International Society of Arboriculture. 3. American National Standards Institute(ANSI): Z60.1 American Standard for Nursery Stock„ latest edition,published by American Nursery & Landscape Association,(ANLA). 1.05 SUBMITTALS A. At least 90 days prior to the first day of the planting season described in this Division 2 Section, PLANTING, submit to the Owner's Representative proof of certification of Foreman or Crew Leader as Massachusetts Certified Landscape Professional or Massachusetts Certified Horticulturist in accordance with QUALITY ASSURANCE paragraph of this Section. B. Submit proof of landscape contractor's experience to the Owner's Representative in accordance with QUALITY ASSURANCE paragraph of this Division 2 Section, PLANTING. C. At least 30 days prior to ordering materials, the Contractor shall submit to the Owner's Representative representative samples, certifications, manufacturer's product data and certified test results for materials as specified below. No materials shall be ordered or delivered until the required submittals have been reviewed and approved by the Owner's Representative. Delivered materials shall closely match the approved samples. Approval shall not constitute final acceptance. The Owner's Representative reserves the right to reject,on or after delivery, any material which does not meet these Specifications. D. Material Sampling and Testing: 1. Material Sampling and Testing of Loam Borrow from Off-Site Sources shall be specified,performed and paid for under the work of the Division 2 Section, PLANTING SOILS,of this Specification. Testing of the off-site loam borrow shall occur in place after the loam has been spread and represents a second testing of the off- site loam borrow. The first sampling and testing shall have occurred prior to delivery of the loam as specified, performed and paid for under the work of the Division 2 Section, PLANTING SOILS, of this Specification.Additional sampling and testing of delivered and stockpiled loam or delivered and spread loam to verify that it meets the test results submitted for approval under the Division 2 Section,PLANTING SOILS, shall not be abrogated by the language of this Division 2 Section, PLANTING. 2. Material Sampling and Testing of On-Site Loam: On-site loam shall be sampled and tested as specified,performed and paid for under the Division 2 Section,PLANTING SOILS,of this Specification. 3. Planting Mulch: Submit a one cubic foot sample. 4. Antidesiccant: Submit manufacturer's product data. 5. Peat: Submit a one cubic foot sample and manufacturer's certification of contents. October 23, 2009 02950 -2 PLANTING KOLLMORGEN ELECTRO-OPTICAL SECTION 02950 PLANTING PART1 GENERAL 1.01 RELATED DOCUMENTS A. The General Documents, as listed on the Table of Contents, and applicable parts of Division 1, GENERAL REQUIREMENTS, shall be included in and made a part of this Section. B. Examine all Contract Documents and all other Sections of the Specifications for requirements therein affecting the work of this trade. 1.02 SUMMARY A. The work of this Section consists of providing all labor, equipment, materials, incidental work, and construction methods necessary to perform all planting work and related items as indicated on the Contract Documents and as specified in this Section and includes, but is not limited to,the following: 1. Planting trees, shrubs, perennials and plugs 2. Staking,guying, and anchoring trees. 3. Planting maintenance. 4. One year guarantee period for all plants. 5. Providing and placing backfill mix. 1.03 RELATED WORK UNDER OTHER SECTIONS A. The following items of related work are specified and included in other Sections of the Specifications: 1 Division 2 Section,PLANTING SOILS 2. Division 2 Section,CONSERVATION SEEDING . 1.04 REFERENCES A. The following standards shall apply to the work of this Section. 1. Hortus III, 1976,L. H. Bailey Hortorium. October 23,2009 02950 - 1 PLANTING KOLLMORGEN ELECTRO-OPTICAL 3. Within the constructed wetland in Lusitania Meadow, below elevation 18.0, all mowing shall be performed through use of hand-held equipment, with special care not to alter the micro-topography and/or damage any woody plant materials present. 3.08 APPLYING LIMESTONE A. The Contractor shall return to the site at the beginning of the next seeding season and spread limestone across all seeded areas installed under this Contract. Limestone shall be spread at rates determined by the soil tests required under Division 2 Section,PLANTING SOILS. 3.09 ACCEPTANCE A. Following the minimum required maintenance periods for construction, the Contractor shall request the Owner's Representative in writing for a formal inspection of the completed work. Request for inspection shall be received by the Owner's Representative at least 10 Days before anticipated date of inspection. B. Acceptance Requirements 1. At the end of the maintenance period, seeded meadow areas shall have a close stand of grass and/or wildflowers with no weeds present and no bare spots greater than 6 inches in diameter over greater than 5 percent of the overall seeded area. At least 90 percent of the grass and forbs established shall be permanent grass and forbs species. If seeded areas are deficient, the Contractor's responsibility for maintenance of all seeded meadow areas shall be extended until deficiencies are corrected. Seeded areas to be corrected shall be prepared and reseeded in accordance with the requirements of this Section. C. The final walk-through to determine the close of the warrantee period shall occur at the end of the summer season that follows two(2)full calendar years after final acceptance. D. Owner's Representative's inspection shall determine whether maintenance shall continue in any part. 3.10 CLEAN UP A. Absolutely no debris may be left on the site. Excavated material shall be removed as directed. Repair any damage to site or structures to restore them to their original condition, as directed by the Owner's Representative. END OF SECTION October 23, 2009. 02946- 12 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL E. Fill check slots with loam and tamp firmly. F. Following matting installation, roll the entire area with a smooth drum roller weighing between 50 and 75 pounds per linear foot of roller. The finished installation of matting shall be firmly in contact with the soil and provide a smooth,finished appearance free from lumps or depressions. 3.07 MAINTENANCE OF SEEDED AREAS A. Maintenance shall begin immediately after any area is seeded and mulched and shall continue for a two (2) years period for seeded areas or until Final Acceptance of the project, whichever is longer. In the event that seeding operations are completed too late in the fall for adequate germination and growth of grass and forbs, then the maintenance period shall continue into the following spring for the two(2)year period. B. Maintenance shall include reseeding, mowing as specified,watering, and weeding. C. During the maintenance period, any decline in the condition of seeded areas shall require immediate action to identify potential problems and to undertake corrective measures. D. Watering shall be performed for spring and summer seeding only during the first 6 to 8 weeks after seeding. Water in a manner that will provide uniform coverage, prevent erosion due to application of excessive quantities over small areas, and prevent damage to the finished surface by the watering equipment. 1. The Contractor shall provide all labor and arrange for all watering necessary to establish an acceptable seeded area. Maintain moist soil to a depth of at least 2 inches. At no time shall a tank truck be allowed on the seeded beds. 2. Beyond the specified 6 to 8 week watering after seeding, water in the absence of adequate rainfall as determined by the Owner's Representative. 2. Water only in the mornings before 8:00 am. Furnish sufficient watering equipment to apply water to the required soil depths each 24-hour period. E. After the grass in seeded areas has germinated, reseed all areas and parts of areas that fail to show a uniform stand of grass. Reseed such areas and parts of areas repeatedly until all areas are covered with a satisfactory growth of grass and/or wildflowers. Reseeding together with necessary grading,and trimming shall be done at the Contractor's expense. F. Mowing: 1. To prevent the growth of weed plants, use a flail-type mower to mow and chop the weed plants. Flail-mow all meadow areas during the maintenance period on a regular basis to keep weeds cut to a height of 6 to 12 inches. Anticipate mowing on a monthly basis or shorter as required to control weed growth. Actual frequency of mowing shall be a function of the rate of weed growth. Mow when weed plants reach a height of 12 inches. Do not mow before July 1 or after September 30. 2. Do not remove any clippings from meadow areas that have been generated by flail mowing operations. Do not mow meadow areas when wet. October 23, 2009. 02946- 11 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL 2. For hydroseeding,a mobile tank with a capacity of at least 500 gallons shall be filled with water,seed,and no more than ten percent(10%)of the required mulch so they may be sprayed in the specified proportions per unit of area to be hydroseeded. The slurry shall be thoroughly mixed by means of positive agitation in the tank. The slurry shall be applied by means of a centrifugal pump using the turret or hose application technique from the mobile tank. The hose or turret shall be equipped with a nozzle of a proper design to insure even distribution of the hydroseeding slurry over the area to be hydroseeded and shall be operated by a person thoroughly familiar with this type of seeding operation. 3. Refer to seed suppliers recommendations for seed application rate. Hydromulch shall be applied at a rate of 400 lbs.per acre. For areas to receive erosion control matting, increase seed application rate by 15-20%. 4. Step Two — Follow-up mulching with either, or straw + tackifier, or straw + wood cellulose fiber, or straw + wood fiber + wood cellulose fiber, or wood fiber + wood cellulose. Hydromulch: a) For hydromulch method: Hydromulch all Seed Mix areas with straw mulch, at a rate of 1,500—2,000 pounds per acre using a mulch blower. b) For straw mulch method: Apply approved straw mulch by chopping and blowing. Apply straw mulch to a depth of 1.0 to 2.0 inches at a uniform rate. Secure straw into place with one of the following methods: 1) Straw mulch shall be secured with an approved mulch anchoring tool, such as a straw-crimper,by pressing the straw to a minimum average depth of 1.0 to 2.0 inches below the soil surface. When seeding in wet areas that prohibit the use of a straw crimping tool, secure straw mulch with tackifier or liquid mulch binder 2) Secure straw mulch with a tackifier or liquid mulch binder at the minimum rates recommended by the manufacturer. 3.06 SLOPE STABILIZATION A. Erosion control matting shall be installed immediately after seeding in the areas designated on the Contract Documents,on slopes four to one(4:1)or steeper and around surface drains. B. Matting shall be installed perpendicular to slopes, and shall extend at least 3 feet beyond slope crest. Fibers shall be placed in contact with the mulch blend for the entire length of the mat. Provide check slot at top of slope and anchor slot at bottom of slope where indicated. C. Roll out the matting perpendicular to the slope. Do not stretch the fabric. In drainage swales, center the fabric along the flow line. Install the matting in a check slot at the top and bottom of the slope of the area to be covered. Check slots shall be 6 inches deep and 6 inches wide. Fabric shall extend down one wall of the check slot and across the full width of the base. Overlap edges of matting rolls 4 inches minimum and overlap the ends 18 inches at a minimum. D. Install stakes in check slots, edges, center and ends of rolls by driving specified wood stakes 2 feet on center over the entire area to be covered, except at check slots and ends of rolls, where stakes shall be placed 6 inches on center. October 23,2009. 02946- 10 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL tilling. 3.04 SOIL PREPARATION FOR SEEDING A. Preparation for broadcast seeding in open non-wooded areas: 1. Prepare the weed-free seed bed with rototillers, disk harrows, or other soil preparation equipment which to leave the soil with an irregular open surface. Bulldozers used to loosen the soil surface shall leave the surface with an open irregular surface, and with track ridges that run parallel to the slope. All rocks and other debris larger than 3.0 inches in diameter shall be removed from the soil surface. The site shall be leveled so that no irregularities greater than 2.0 inches above or below grade per linear foot are present. The soil at the time of seeding shall be firm, and the surface shall be loose and open, so that meadow seeds may readily fall into soil spaces. 3.05 SEEDING A. Contractor shall obtain Owner's Representative's written approval of bed preparation before doing any seeding. B. Limit of grading and earthwork shall be limit of seeding unless otherwise indicated on the Contract Documents. All areas formerly vegetated with grasses and forbs that are disturbed outside the limit of seeding shall be prepared and seeded as specified herein. C. The seasons for seeding for the USDA Hardiness Zones described shall be as follows: USDA Zones Spring Fall 7a and 7b 2/15 -4/15 9/15 - 11115 6b 3/1 -4/30 9/01 - 11/01 6a and 5b 3/15 - 5/1 8/15 - 10115 The actual planting of seed shall be done, however, only during periods within this season that are normal for such work as determined by weather conditions and by accepted practice in this locality. To prevent loss of soil via water and wind erosion and to prevent the flow of sediment and contaminants onto roadways, sidewalks, and into catch basins, seed within 1 day of soil preparation. D. Seed only when the bed is in a friable condition,not muddy or hard. E. Contractor shall seed the Detention Basin in the dry only. DO NOT SEED any areas that contain standing water. Contractor shall employ dewatering measures to maintain dry surface conditions of these areas until seed has germinated. F. Seeding Method 1. Step One-Hydroseed: Seed shall be applied in a hydroseeded slurry. Mix Seed with mulch. 10%of mulch shall be incorporated into hydroseeder. (Remaining quantities of mulch shall be applied as a separate operation.) October 23, 2009. 02946-9 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL Balloonvine Canada Thistle Johnson grass&hybrids Serrated Tussock Bermuda grass Curly Thistle Musk Thistle Sickle pod Bindweed Dodder Phra mites Spurred Anoda Corn cockle Giant Foxtail Plumeless Thistle Wild Garlic Cocklebur Horse Nettle Quack grass Wild Onion 2.07 FIBER MULCH A. Fiber mulch; as an alternative or in conjunction with straw mulch shall be fiber processed from whole wood chips and clean recycled newsprint in a 1:1 proportion manufactured specifically for standard hydraulic mulching equipment. Fiber shall not be produced from recycled material such as sawdust,paper,or cardboard. B. Moisture content shall not exceed 10 percent, plus or minus 3 percent as defined by the pulp and paper industry standards. Fiber shall have a water holding capacity of not less than 900 grams water per 100 grams fiber. C. The mulch shall be of such character that the fiber will be dispersed into a uniform slurry when mixed with water. It shall be nontoxic to plant life or animal life. D. The mulch shall contain a non-petroleum based organic tackifier and a green dye to allow for easy visual metering during application but shall be non-injurious to plant growth. 2.08 WATER A. The Owner shall be responsible to furnish the Contractor with an on-site supply of water. All work injured or damaged due to the lack of water, or the use of too much water, shall be the Contractor's responsibility to correct. Water shall be free from impurities injurious to vegetation. PART 3 EXECUTION 3.01 FILLING AND COMPACTION A. Filling and compaction shall be in accordance with the relevant provisions of Division 2 Section, PLANTING SOILS, of this Specification 3.02 FINE GRADING A. Fine grading shall be in accordance with the relevant provisions of Division 2 Section, PLANTING SOILS, of this Specification. 3.03 SEED BED PREPARATION A. Immediately prior to seeding all seedbeds shall be free of weeds. Use tillage to destroy all pre- existing vegetation at the meadow seeding site: 1. Tillage: Two tillage operations (i.e., rototilling, disking, etc.) to an average depth of 3.0 to 5.0 inches. Allow to elapse 2 to 3 weeks between tillage operations, so that weed seeds and perennial plant parts have time to germinate or regrow, and so be destroyed by the second October 23,2009. 02946- 8 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL a. Width 6.67 feet plus or minus 5% b. Length 108.00 feet plus or minus 5% c. Weight 53.50 pounds plus or minus 10% d. Area 80.00square yards e. Stitch Spacing 1.50 inches 2. Matting fasteners shall be 6 inch long wooden stakes as manufactured by North American Green, Inc., 14649 Highway 41 North, Evansville, IN 47725, phone: (800) 772-2040 or approved equal. 2.06 STRAW MULCH FOR DRY MEADOW SEEDING A. Use Class `AA' straw or Class `A' straw as defined in this Section. Fiber mulch products applied with a hydraulic seeder may be used in conjunction with straw. Erosion control blankets shall not be used. B. Seed mulches for dry meadow seeding shall consist of straw, or straw + tackifier, or straw + wood cellulose fiber, or straw + wood fiber + wood cellulose fiber, or wood fiber + wood cellulose. The composition of straw used as dry meadow seed mulch shall conform to the requirements of this Section. C. Straw Definition: 1. Use of straw. The use of clean straw with a low content of viable cereal grains and viable weed seed is an important component of successful seeding. Only Class `AA' Class `A' straw shall be used as seed mulch for meadow seeding. Neither Class `B' straw, nor Class `C' straw,nor hay shall be used as mulch for meadow seeding. 2. Classes of straw: a. Class `AA' straw shall be specially grown for use as a meadow seeding mulch, and shall be composed entirely of the air-dried stems and leaves of native grasses such as little bluestem,broomsedge,and other species which are compatible with meadow seeding sites. Class `AA' straw may contain any amount of the viable seed of the native grass species from which it is derived. b. Class `A' Straw shall consist entirely of the straw of wheat,barley, oats,or cereal rye which has been specially grown for use as a seed mulch, and which is guaranteed by the producer of the straw to contain a maximum of 1.0 ounce of viable wheat,barley, oats, or cereal rye seed per standard small bale of straw(approximately 40 pounds of straw). 3. Physical condition. Both Class `AA' or Class `A' straw shall he bright in color, and shall not be wet, musty, moldy, caked, decayed, or dusty. Straw should be easily loosened when removed from the bale, and able to be uniformly spread by hand or with the use of a straw blower. 4. Weed content. Both Class `AA' and Class `A' straw used as mulch in dry meadow seeding sites shall be free of seeds, rhizomes, or other viable parts of the following weeds: October 23,2009. 02946-7 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL A. Type A: Matting for erosion control on slopes equal to and steeper than four to one(4:1)and in drainage swales shall be Model SC150BN manufactured by North American Green, Inc., 14649 Highway 41 North,Evansville, IN 47725,phone: (800)772-2040 or approved equal.Matting shall have a functional longevity of 18 months and shall be a machine-produced 100%biodegradable organic fiber netting with a 70%agricultural straw fiber and 30%coconut fiber blend matrix. Matting shall be of consistent thickness with the straw evenly distributed over the entire area of the matting. Matting shall be covered on the top and bottom sides with 100%biodegradable organic woven fiber netting. Netting shall consist of machine directional strands formed from two intertwined yarns with cross directional strands interwoven through the twisted machine strands (commonly referred to as a Leno weave)to form an approximate 0.50 inch x 1.00 inch mesh. Netting, both sides, shall weigh approximately 9.30 pounds per 1000 square feet. The matting shall be sewn on 1.50 inch centers(50 stitches per roll width)with biodegradable thread. The matting shall be manufactured with a colored line or thread stitched along both edges (approximately 2 to 5 inches from the edge)to ensure proper material overlapping. The matrix shall be 70%straw fiber with a weight of 0.35 pounds per square yard blended with 30%coconut fiber with a weight of 0.15 pounds per square yard. 1. Matting shall meet the following requirements per roll: a. Width 6.67 feet plus or minus 5% b. Length 108.00 feet plus or minus 5% C. Weight 53.50 pounds plus or minus 10% d. Area 80.00square yards e. Stitch Spacing 1.50 inches 2. Matting fasteners shall be 6 inch long wooden stakes as manufactured by North American Green, Inc., 14649 Highway 41 North, Evansville, IN 47725, phone: (800) 772-2040 or approved equal. B. Type B: Matting for erosion control on areas with slopes less than four to one(4:1)be Model S150 manufactured by North American Green,Inc., 14649 Highway 41 North,Evansville,IN 47725, phone: (800)772-2040 or approved equal. Matting shall have a functional longevity of 18 months and shall be a machine-produced 100%biodegradable organic fiber netting with a 100% agricultural straw fiber. Matting shall be of consistent thickness with the straw evenly distributed over the entire area of the matting. Matting shall be covered on the top and bottom sides with 100%biodegradable organic woven fiber netting. Netting shall consist of machine directional strands formed from two intertwined yarns with cross directional strands interwoven through the twisted machine strands(commonly referred to as a Leno weave)to form an approximate 0.50 inch x 1.00 inch mesh. Netting,both sides,shall weigh approximately 9.30 pounds per 1000 square feet. The matting shall be sewn on 1.50 inch centers(50 stitches per roll width)with biodegradable thread. The matting shall be manufactured with a colored line or thread stitched along both edges(approximately 2 to 5 inches from the edge)to ensure proper material overlapping. The matrix shall be 100%straw fiber with a weight of 0.50 pounds per square yard. 1. Matting shall meet the following requirements per roll: October 23,2009. 02946-6 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL Agrostis perennans 'Upland Bentgrass Agrostis stolonifera ;Creeping Bentgrass t Andropogon gerardii Big Bluestem,Niagra Aster novae-angliae New England Aster Carex vulpinoidea ox Sedge Elymus virginicus ;Virginia Wild Rye Eupatorium perfoliatum Boneset Euthamia graminifolia(Solidago g.) jGrass Leaved Goldenrod Festuca rubra Ureeping Red Fescue Juncus effusus Soft Rush Onoclea sensibilis ;Sensitive Fern panicum virgatum Switch Grass Schizachyrium scoparium 'Little Bluestem Scirpus atrovirens ?Green Bulrush Scirpus cyperinus }Wool Grass Verbena hastata Blue Vervain 2.04 LIMESTONE A. Ground limestone for adjustment of loam borrow pH shall contain not less than eighty five percent(85%)of total carbonates and shall be ground to such fineness that forty percent(40%) will pass through 100 mesh sieve and ninety five(95%)will pass through a 20 mesh sieve. Contractor shall be aware of loam borrow pH and the amount of lime needed to adjust pH to specification in accordance with testing lab recommendations. 2.05 SLOPE STABILIZATION October 23,2009. 02946-5 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL specified, shall be used in areas as indicated on the Contract Documents and in accordance with the requirements of this Section. 1. All seed mixes shall be manufactured by New England Wetland Plants, Inc., 800 Main Street, Amherst, MA, phone: 413-256-1752, fax: 413-256-1092; Ernst Conservation Seeds, Meadville, PA, 800-873-3321; Southern Tier Consulting Inc., West Clarksville, NY 585- 968-3120. 2. Seed Mix Composition for non retention areas:New England Conservation/Wildlife Mix: Andropogon gerardii Big Bluestem. i Asclepias syriaca Common Milkweed 1 Aster novae-angliae New England Aster Chamaecrista fasciculata(Cassia f.) ;Partridge Pea Desmodium canadense 'Showy Tick Trefoil Elymus virginicus Virginia Wild Rye Eupatorium maculatum Spotted Joe Pye Weed Euthamia graminifolia(Solidago g.) Grass Leaved Goldenrod Festuca rubra ;Creeping Red Fescue Heliopsis helianthoides Ox Eye Sunflower Panicum clandestinum Deer Tongue Panicum virgatum Switch Grass Rudbeckia laciniata 'Tall/Green Headed Coneflower Schizachyrium scoparium Little Bluestem !Solidago juncea Early Goldenrod !Sorghastrum nutans Indian Grass 3. Seed Mix Composition for retention areas: Erosion Control/Restoration Mix for Detention Basins and Moist Sites October 23, 2009. 02946-4 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL 1. Landscape professional shall be a Massachusetts Certified Landscape Professional certified by the Associated Landscape Contractors of Massachusetts. 2. Horticulturist shall be a Massachusetts Certified Horticulturist as certified by the Massachusetts Nursery and Landscape Association. 3. Certification shall be current. Proof of certification shall be submitted per SUBMITTALS paragraph of this Section. C. The ratio of laborers to certified landscape professionals or certified horticulturist shall not exceed twelve to one. Certified Landscape Professional or Certified Horticulturist shall be on the project site throughout the day-to-day performance of the work described in this Section. PART PRODUCTS 2.01 LOAM A. Loam borrow shall conform to the requirements of Division 2 Section, PLANTING SOILS, of this Specification. 2.02 SOIL ADDITIVES A. Soil additives shall be specified,provided and paid under Division 2 Section,PLANTING SOILS, of this Specification except for additional applications of fertilizer that shall be specified, provided and paid for under this Division 2 Section,CONSERVATION SEEDING based upon recommendations from soil analysis and testing as specified, performed and paid for under the Division 2 Section,PLANTING SOILS,of this Specification. 2.03 SEED A. Seed mixture shall be fresh, clean, new crop seed. Seed shall be of the previous year's crop and in no case shall the weed seed content exceed 0.25%by weight. The seed shall be furnished and delivered in the proportion specified below in new,clean, sealed and properly labeled containers. All seed shall comply with State and Federal seed laws. Submit manufacturer's Certificates of Compliance. Seed that has become wet,moldy or otherwise damaged shall not be acceptable. C. In addition, Percent Pure Live Seed (PLS) shall be calculated for all seed lots using each seed lot's own unique purity and germination test results. Percent Pure Live Seed is defined by the following formula: Percent (%) Purity x Percent (%) Germination/100 =Percent (%) Pure Live Seed (PLS). The minimum % PLS shall be 75%for each seed lot. A "PLS Pound" is defined as the bulk weight of seed required to equal one pound of 100%pure, germinable seed. D Seed may be mixed by an approved method on the site or may be mixed by a dealer. If the seed is mixed on the site, each variety shall be delivered in the original containers that shall bear the dealer's guaranteed analysis. If seed is mixed by a dealer then the Contractor shall furnish the Owner's Representative the dealer's guaranteed statement of the composition of the mixture. Seed should be packaged according to size and method of seeding; large, fluffy seeds need to be separated from smaller seeds, for better distribution; the method of seeding, i.e. drill vs. hand vs. cultipacker will determine how the seeds should be separated. E The following seed mixes, conforming in plant species to the seeding rates and percentages October 23, 2009. 02946-3 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL B. Submit proof of landscape contractor's experience to the Owner's Representative in accordance with QUALITY ASSURANCE paragraph of this Section. C. At least 30 days prior to intended use, the Contractor shall provide the following samples and submittals for approval in conformance with the requirements of Division 1 Section, SUBMITTALS. Do not order materials until Engineer's approval of samples, certifications or test results has been obtained. Delivered materials shall closely match the approved samples. Acceptance shall not constitute final acceptance. The Owner's Representative reserves the right to reject on or after delivery any material that does not meet these Specifications. 1. Material Sampling and Testing of Loam Borrow from Off-Site Sources shall be as described in Division 2 Section, PLANTING SOILS,of this Specification. 2. Material Sampling and Testing of On-Site Loam: Sample and test on-site loam in accordance with Division 2 Section,PLANTING SOILS,of this Specification. 3. Seed: Submit a manufacturer's Certificate of Compliance to the Specifications with each shipment of each type of seed. These certificates shall include the guaranteed percentages of purity, weed content and germination of the seed, and also the net weight and date of shipment. No seed may be sown until the Contractor has submitted the certificates. 4. Mulch blend: Submit manufacturer's product literature on all mulch blend types specified herein. 5. Erosion Control Matting: Submit copies of manufacturer's literature and one material sample. 6. All additives needed to amend a specific soil in order to meet these specifications. D. Maintenance Instructions: At the time of Acceptance, the Contractor shall submit complete maintenance instructions for conversation seeding care for the Owner's use. The instructions shall be reviewed for approval by the Owner's Representative as a pre-condition for Acceptance. 1.06 EXAMINATION OF CONDITIONS A. All areas to be improved shall be inspected by the Contractor before starting work and any defects such as incorrect grading, or drainage problems shall be reported to the Owner's Representative prior to beginning this work. The commencement of work by the Contractor shall indicate his acceptance of the areas to be improved, and he shall assume full responsibility for the work of this Section. B. The Contractor shall be solely responsible for judging the full extent of work requirements involved. 1.07 QUALITY ASSURANCE A. Qualification of Landscape Contractor: The work of this Section shall be performed by a landscape contracting firm which has successfully installed work of a similar quality, schedule requirement, and construction detailing with a minimum of five years experience. Proof of this experience shall be submitted per SUBMITTALS paragraph of this Section. B. Qualification of Foreman or Crew Leader: All work of seeding shall be supervised by a foreman or crew leader who is a certified landscape professional or a certified horticulturist. October 23,2009. 02946-2 CONSERVATION SEEDING KOLLMORGEN ELECTRO-OPTICAL SECTION 02946 CONSERVATION SEEDING PART1 GENERAL 1.01 RELATED DOCUMENTS A. The General Documents, as listed on the Table of Contents, and applicable parts of Division 1, GENERAL REQUIREMENTS, shall be included in and made a part of this Section. B. Examine all Contract Documents and all other Sections of the Specifications for requirements therein affecting the work of this trade. 1.02 SUMMARY A. The work of this Section shall include seeding of native cool and warm season grasses, legumes, and native wildflowers (fortis), for the purpose of establishing permanent low-maintenance vegetation for habitat restoration. Furnish all labor, equipment, materials and related items required for the completion of the work of this Section. Work shall include,but is not necessarily limited to the following: 1. Fine grading and loaming(placement of root zone mix) 2. Preparation of seed bed/Removal of invasive vegetation 3. Seeding of cover crop(if dormant seeding) 4. Seeding of Conservation Seed Mix 5. Erosion Control 6. Seeding 7. Maintenance and protection 8. Plant protection fence 1.03 RELATED WORK UNDER OTHER SECTIONS A. The following items of related work are specified and included in other Sections of the Specifications: 1. Division 2 Section,PLANTING SOILS. 2. Division 2 Section,LANDSCAPE PLANTING 1.04 REFERENCES A. Not Applicable. 1.05 SUBMITTALS A. At least 90 days prior to the first day of the seeding season described in this Section, submit to the Owner's Representative proof of certification of Foreman or Crew Leader as Massachusetts Certified Landscape Professional or Massachusetts Certified Horticulturist in accordance with QUALITY ASSURANCE paragraph of this Section. October 23,2009. 02946- 1 CONSERVATION SEEDING Kollmorgen Electro-Optical perform percolation tests to determine if the soil has been over compacted. Perform the following percolation test procedure: 1. Dig a hole in the installed soil that is a minimum of 4 inches (100 mm) in diameter. Holes in 12-inch(300 mm) lifts in plant beds shall be 8 inches (200 mm)deep. Do not penetrate through the lift being tested. 2. Fill the hole with water and let it drain completely. Immediately refill the hole with water and measure the rate of fall in the water level. 3. In the event that the water drains at a rate less than one inch (25 mm) per hour, till the soil to a depth required to break the over compaction. 4 Perform a minimum of one soil percolation test per 2,500 square feet of tree and shrub planting area as directed by the Owner's Representative. M. Select equipment and otherwise phase the installation of the loam borrow to ensure that wheeled equipment does not travel over subsoil, placed fills or ordinary borrow or already installed soil. Movement of tracked equipment over said soils will be reviewed and considered for approval by the Owner's Representative. If it is determined by the Owner's Representative that wheeled equipment must travel over already installed soil, provide a written description of sequencing of work that ensures that compacted soil is loosened and uncompacted as the work progresses or place one-inch (25 mm)thick steel plate ballast(or equivalent ballast approved by the Owner's Representative) over the length and width of any travel way to cover loam borrow to protect it from compaction. N. Disturbed areas outside the limit of work shall be graded smooth and spread with a minimum of 6 inches(150 mm)of loam borrow to the finished grade. 3.03 ACCEPTANCE A. Confirm that the final grade of the loam borrow is at the proper finish grade elevations. Adjust grade as required to meet the contours and spot elevations noted on the Plans. Request the presence of the Owner's Representative to inspect final grade. Do not precede with the remaining work of this Contract until the Owner's Representative has given his/her written approval of the final grade. END OF SECTION October 23, 2009 02901 - 12 PLANTING SOIL Kollmorgen Electro-Optical analysis. G. Loam borrow shall be sampled and tested as specified, performed and paid for under the work of this Division 2 Section, PLANTIG SOILS, to verify application and incorporation of limestone, fertilizer and other soil amendments. H. After loam borrow and required additives have been spread, carefully prepare the loam borrow by scarifying, harrowing, or tilling the loam to integrate soil additives into the top 6 inches (150 mm) of the loam. Remove all large stiff clods, lumps, brush, roots, stumps, litter and other foreign matter. Remove from unscreened soils all stones over l inch (25 mm)in diameter from the top 6 inches (150 mm) of the loam bed. Loam borrow shall also be free of smaller stones in excessive quantities as determined by the Owner's Representative. I. Sufficient grade stakes shall be set for checking the finished grades. Stakes must be set in the bottom of swales and at the top of slopes. Deviation from indicated elevations that are greater than one-tenth of a foot shall not be permitted. Connect contours and spot elevations with an even slope. Finish grades shall be smooth and continuous with no abrupt changes at the top or bottom of slopes. J. During the compaction process, all depressions caused by settlement or rolling shall be filled with additional loam borrow and the surface shall be regraded and rolled until presenting a smooth and even finish corresponding to the required grades. K. The Contractor shall install loam borrow in successive horizontal lifts no thicker than 6 inches(150 mm)to the desired compaction as described herein. The Contractor shall install the soil at a higher level to anticipate any reduction of loam borrow volume due to compaction, settling, erosion, decomposition, and other similar processes during the warranty period. The Owner's Representative will ensure that the full depths of loam borrow for lawn and plant beds are obtained by digging holes in the loam borrow at the same frequency as for compaction testing. 1. Compact loam to the required density as specified herein. 2. Maximum dry density for topsoils and loam shall be determined in accordance with ASTM D698. The following percentages of minimum to maximum dry densities shall be achieved for fill materials or prepared subgrades. In plant beds: Minimum Maximum a. Fills within top eighteen inches of finished grade 80% 85% 3. The surface area of each lift hall shall be scarified by raking prior to placing the next lift. L In addition to the range cited above, compact each lift sufficiently to reduce settling but not enough to prevent the movement of water and feeder roots through the soil. The loam borrow in each lift should feel firm to the foot in all areas and make only slight heel prints. At completion of the loam borrow installation, the soil should offer a firm, even resistance when a soil sampling tube is inserted from lift to lift. After the placement of each lift, October 23, 2009 02901 - 11 PLANTING SOIL Kollmorgen Electro-Optical E. Do not proceed with the installation of loam borrow until all utility work in the area has been installed. F. Protect adjacent walls, walks and utilities from damage or staining by the loam borrow. Use 0.5-inch (13 mm) plywood and or plastic sheeting as directed to cover existing concrete, metal and masonry work and other items as directed during the progress of the work. Clean up all trash and any soil or dirt spilled on any paved surface at the end of each working day. 3.02 FINE GRADING A. Immediately prior to dumping and spreading loam borrow,the subgrade shall be cleaned of all stones greater than 2 inches (50 mm) and all debris or rubbish. Such material shall be removed from the site, not raked to the edges and buried. Notify the Owner's Representative that the subsoil has been cleaned and request his/her attendance on site to review and approve subgrade conditions prior to spreading loam borrow. B. Notify the Owner's Representative when the loam borrow is scheduled for delivery and schedule his/her attendance on site to witness delivery and stockpiling. Owner's Representative will inspect the loam borrow for conformance to the requirements of this Division 2 Section,PLANTING SOILS. C. Additional soil sampling and testing shall be performed in accordance with SUBMITTALS paragraph of this Section. Spread no loam until soil test reports have been submitted to the Owner's Representative and have been approved. All loam borrow delivered to the site that, upon additional on-site testing, fails to meet the requirements of this Division 2 Section,PLANTING SOILS,of the Specification. D. Loam borrow delivered to the site shall be protected from erosion at all times. Materials shall be spread immediately upon approval of additional, on-site soil test reports). Otherwise, materials that set on site for more than 24 hours shall be covered with tarpaulin or other soil erosion system acceptable to the Owner's Representative. E. No loam borrow shall be handled, planted, or seeded in any way if it is in a wet or frozen condition.A moist loam borrow is desirable. F. Soil additives shall be spread and thoroughly incorporated into the layer of loam borrow by harrowing or other methods reviewed by the Owner's Representative. The following soil additives shall be incorporated: 1. Ground limestone or acidulant as required by soil analysis to achieve the required pH as described in this Division 2 Section, PLANTING SOILS. Spread limestone at the rate required by soil analysis up to a maximum limit of 200 pounds per 1,000 square feet (90 kilograms per 90 square meters). Should recommendations of soil analysis require greater rates of application than 200 pounds per 1,000 square feet(90 kilograms per 90 square meters), a surface application of limestone not in excess of 50 pounds per 1,000 square feet (23 kilograms per 90 square meters) shall be made to the during the season after Final Acceptance. 2. Fertilizer at the rate and of analysis recommended by the soil analysis. 3. Biosolid compost, peat moss, sand or other soil amendments as required by soil October 23,2009 02901 - 10 PLANTING SOIL Kollmorgen Electro-Optical performed,and paid for under this Division 2 Section,PLANTING SOILS. PART 3 EXECUTION 3.01 FILLING AND COMPACTION A. Perform percolation tests on existing subsoils or placed fill prior to placing and spreading loam borrow: 1. Perform percolation testing of subsoil or placed fills to determine whether or not the subgrade will drain properly. Perform percolation tests as specified in this Division 2 Section,PLANTING SOILS,for each lift of loam borrow. 2. In the event that percolation testing indicates that the subsoil, placed fills or ordinary borrow has been over compacted and will not drain, the contractor shall loosen up the top 36 inches (one meter) of the subgrade to be planted by ripping or other mechanical means. Recompact the borrow by driving a small, tracked bulldozer over the area at low speeds so that the tracks of the bulldozer pass over the affected area and the soil is compacted to a density that will percolate as specified under the work of this Division 2 Section, PLANTING SOILS. Under no circumstances shall wheeled vehicles be driven over subsoil, placed fills or ordinary borrow that have been shown to percolate or subsoil,placed fills or ordinary borrow that has been loosened and shown to percolate. 3. Perform sufficient percolation tests in areas of poorly draining or compacted subsoil or compacted placed fills as directed by the Owner's Representative to ensure that these underlying soils drain. Likewise, perform sufficient percolation tests after ripping and loosening to ensure that the soils are no longer too compact to drain. B. Subsoil or ordinary borrow shall have been excavated and filled as required by the Contract Documents and specified and paid for under Division 2 Section, EARTHWORK, of this Specification. Do not damage the work previously installed. Maintain all required angles of repose of materials adjacent to the loam as shown on the Contract Documents. Do not over excavate compacted subgrades of adjacent pavement or structures during loaming operations. C. Confirm that the subgrade is at the proper elevation and that no further earthwork is required to bring the subgrade to proper elevations. Subgrade elevations shall slope parallel to the finished grade and or toward the subsurface drain lines as shown on the Contract Documents. Provide a written report to the Owner's Representative and the Owner's Representative that the subgrade has been placed to the required elevations and that the subgrade drains water at the rates specified under the required percolation tests specified, performed and paid for under this Division 2 Section, PLANTING SOILS. Perform no work of placing and spreading loam until elevations have been confirmed and written report has been accepted by the Owner's Representative. D. Clear the subgrade of all construction debris,trash, rubble and any foreign material. In the event that fuels, oils, concrete washout or other material harmful to plants have been spilled into the subgrade material, excavate the soil sufficiently to remove the harmful material. Such construction debris, trash, rubble and foreign material shall be removed from the site and disposed of in a legal manner. Fill any over excavation with approved fill and compact to the required subgrade compaction levels. October 23, 2009 02901 -9 PLANTING SOIL Kollmorgen Electro-Optical E. Peat moss shall be composed of the partly decomposed stems and leaves of any of several species of sphagnum moss. It shall be free from wood, decomposed colloidal residue and other foreign matter. It shall have an acidity range of 3.3 pH to 5.5 pH as determined in accordance with the methods of testing of A.O.A.C., latest edition. Its water absorbing ability shall be a minimum of 1,100%by weight on an oven-dry basis. F. Sand, as required for mixing with topsoil to meet Specification requirements shall be uniformly graded coarse sand consisting of clean, inert, rounded grains of quartz or other durable rock and free from loam or clay, surface coatings, mica, other deleterious materials with the following gradation. Millimeter Percent Passing by Weight Maximum Minimum 5 ------ 100 2 100 80 1 86 58 0.5 50 18 0.25 24 7 0.10 0 10 0.05 0 4.5 0.002 0 0.3 1. The ratio of the particle size for 70%passing(1370)to the particle size for 20%passing (1320)shall be 4.0 or less. (D70/D20<4.0) G. Bone meal shall be fine ground, steam-cooked, packing house bone with a minimum analysis of 23 percent phosphoric acid and one percent nitrogen. H. Gypsum (CaSO4 21-12O) shall be agricultural grade, granular form. Gradation shall conform to the following: Sieve Desi n� Percent Passing by Weight No. 8 (2.36 mm) 100 No. 16(1.18 mm) 97 No. 30(0.60 mm) 82 No. 50(0.30 mm) 46 No. 100(0.15 mm) 21 I. Commercial fertilizer shall be a product complying with the State and United States fertilizer laws. Deliver fertilizer to the site in the original unopened containers bearing the manufacturer's certificate of compliance covering analysis and which shall be furnished to the Owner's Representative. Fertilizer shall contain not less than the percentages of weight of ingredients as recommended by the soil analysis. 1. Fertilizer for planting shall be formulated for top-dressing, soil surface application to plants. Fertilizer shall be designed and certified by the manufacturer to provide controlled release of fertilizer continuously for not less than 9 months. One hundred percent of the nitrogen content shall be derived from organic materials. Nitrogen source shall be coated to ensure slow release. Fertilizer percentages of weight of ingredients shall be as recommended by the soil testing and analysis specified, October 23, 2009 02901 - 8 PLANTING SOIL Kollmorgen Electro-Optical E. All loam borrow proposed for use shall be tested for conformance to the specifications. F. The Owner's Representative reserves the right to reject on or after delivery to the project site any material which does not, in his opinion,meet these specifications. 2.02 SOIL ADDITIVES A. General: Soil additives shall be used to counteract soil deficiencies as recommended by the soils analysis and as supplements for lawn construction as specified herein. B. Acidulant for adjustment of loam borrow pH shall be commercial grade flours of sulfur, ferrous sulfate, or aluminum sulfate that are unadulterated. Acidulants shall be delivered in unopened containers with the name of the manufacturer, material, analysis and net weight appearing on each container. C. Ground limestone for adjustment of loam borrow pH shall contain not less than 85 percent of total carbonates and shall be ground to such fineness that 40 percent will pass through 100 mesh sieve and 95 percnet will pass through a 20 mesh sieve. Contractor shall be aware of loam borrow pH and the amount of lime needed to adjust pH to meet the requirements of the testing lab recommendations. D. Organic component of the manufactured loam borrow shall be compost and peat moss used in equal proportions. Compost shall be a stable humus-like material produced from the aerobic decomposition of organic residues. The residues, if biosolids, shall consist of compost meeting MA-DEP Type 1 requirement or approved equal. The residues shall be dark brown or black in color, with no visible free water or dust and no unpleasant odor, meeting the following criteria certified by the producer. 1. carbon-nitrogen ratio minimum 10:1 maximum 25:1 2. stability CO2 evolution test <10 mg CO2 - C/g BVS/day or Dewar self-heating test <10 degrees C above room temp. or Woods End Laboratory's Compost Test Kit 3. organic content 40 percent minimum dry weight (Loss on Ignition; minus #10 Sieve, 430 degrees C) 4. particle size 90 percent passing 0.5 inch(13 mm) screen, 100 percent passing one-inch (25 mm)screen 5. inorganic debris 1 percent maximum(dry weight) 6. pH minimum 5.5 -maximum 8.0 7. Soluble Salts >2 and<4.0 mmhos/cm(ds/m) 8. density 850-1,050 lb./cy (505 kg—642 kg/m3) October 23,2009 02901 - 7 PLANTING SOIL Kollmorgen Electro-Optical 2. The ratio of the particle size for 80%passing(D80)to the particle size for 30%passing (D30)shall be 6.0 or less. (D80/D30<6.0) B. Organic content and pH for specific planting use shall be as follows: 1. Top 18 inches (450 mm) of areas planted with tree and shrub as described in the Division 2 Section,PLANTING, of this Specification: a. pH: 5.5 through 6.5 for non-acid loving plants b. pH: 4.5 through 5.5 for Ericaceae and other acid-loving plants c. Organic Content 4.0 - 6.0 percent as determined by the loss on ignition of oven- dried samples passing#10 sieve (Muffle furnace temperature: 450 +/- 10 degrees C for 8 hours) 2. Loam borrow shall be pH adjusted for particular planting applications and shall be adjusted prior to delivery to the Project sites as recommended by UMASS Soil & Plant Tissue Laboratory test results. a. When pH of loam borrow is equal to or greater than 7 use aluminum sulfate to adjust pH downward to required levels. b. When pH of loam borrow is less than 7 use either sulfur or ferrous sulfate to adjust pH downward to required levels. c. When pH of loam borrow must be raised to the required levels use limestone. d. Regardless of amendment Contractor chooses to use, Contractor, not the Owner, shall be responsible for obtaining specified pH by seeding and/or planting time. C. Loam borrow shall be free of plants and their roots, debris and other extraneous matter. It shall be uncontaminated by salt water, foreign matter and substances harmful to plant growth. The electrical conductivity (EC2) of a 1:2 soil-water suspension shall be equal to or less than 1.0 milliohms/cm. (Test minus sieve#4 material.) Loam borrow shall not have levels of extractable aluminum greater than 200 parts per million except for Ericaceae and other acid-loving plants. Cation Exchange Capacity (CEC) shall be greater than or equal to 12. D. Loam borrow may be the manufactured product of a commercial processing facility specializing in the production of manufactured soils and loam borrow. Loam borrow shall be manufactured from sands, silts, clays, peat moss, and biosolids as specified, performed and paid for under the work of this Division 2 Section, PLANTING SOILS. Loam borrow may be manufactured outside the project area and delivered to the project for spreading or the component soils and organics may be delivered to project site and mixed in situ. 1. Manufactured loam borrow shall be manufactured sufficiently in advance of spreading on the project so that ammonium, pH, soluble salts and the Carbon/Nitrogen ratio will have stabilized at the time of sampling and testing by the Contractor. On-site testing of loam borrow will be performed by the Contractor to verify that delivered material meets the requirements of this Division 2 Section,PLANTING SOILS. 2. Manufactured loam borrow shall contain equal amounts of biosolid compost and peat moss to establish the required organic levels. October 23, 2009 02901 -6 PLANTING SOIL Kollmorgen Electro-Optical PART 2 PRODUCTS 2.01 LOAM- GENERAL A. The Contractor shall provide sufficient loam borrow to complete all loaming operations required of the Contract Documents, as specified, provided, installed and paid for under this Division 2 Section, PLANTING SOILS, and as directed by the Owner's Representative. Loam Borrow shall comply with the following specifications. Loam borrow shall be obtained from one of the following sources: 1. Naturally well-drained areas that have never been stripped before and have a history of satisfactory vegetative growth. Comply with all City and Town bylaws or regulations concerning the removal of topsoil from their boundaries. 2. A commercial processing facility specializing in the manufacturing of loam. 3. On-site granular material stripped and stockpiled on the site may be used as the basis for an on-site, manufactured loam. Submit method and schedule of manufacturing process to the Owner's Representative for review and approval. 4. All sources shall be acceptable provided that, after testing and the addition of necessary soil additives specified in this Division 2 Section, PLANTING SOILS, the loam borrow meets the following specifications. 2.02 LOAM A. Loam borrow for planting trees, shrubs, groundcover and vines, and perennials shall be one of the following sandy loams; "course sandy loam ", "sandy loam",and"fine sandy loam": determined by mechanical analysis (ASTM D 422)and based on the "USDA Classification System" and as defined in this Section. It shall be of uniform composition, without admixture of subsoil. It shall be free of stones greater than one and one-quarter inches (31 mm), lumps, plants and their roots, debris and other extraneous matter as determined by the Owner's Representative. Planting soil for trees, shrubs, groundcover and vines, and perennials shall have the following grain size distribution for material passing the#10(2.0 mm) sieve: Millimeter Percent Passing by Weight Maximum Minimum 2 ------- 100 1 100 80 0.5 87 67 0.25 78 48 0.10 68 30 0.05 55 22 0.002 7 2 1. Maximum size shall be one and one quarter inches largest dimension. The maximum retained on the#10 sieve shall be 25%by weight of the total sample. October 23,2009 02901 - 5 PLANTING SOIL Kollmorgen Electro-Optical subgrades have been prepared as required by this Division 2 Section, PLANTING SOILS, prior to proceeding with the spreading of the loam borrow. Carefully review the requirements of this Division 2 Section, PLANTING SOILS, to understand the requirements of percolation testing, compaction, slope and absence of debris of the subgrade prior to spreading of the loam borrow. D. The Contractor shall be solely responsible for judging the full extent of work requirements involved, including but not limited to sampling and testing of on-site stockpiles of delivered off-site loam borrow prior to final planting installation. 1.06 DEFINITIONS A. The following definitions shall apply to the work of this Section. B. The following size distributions of mineral particles by diameter and sieve size shall apply to the following conventional names of soil types: Conventional Name Retained on U.S. Sieve No. Diameter(mm) Very coarse sand #18 1 - 2 Coarse sand #35 0.5 - 1 Medium sand #60 0.25 -0.5 Fine sand #140 0.10-0.25 Very fine sand #270 0.05 -0.10 Silt by hydrometer 0.002-0.05 Clay by hydrometer Less than 0.002 C. Loamy sands shall conform to USDA Soil Taxonomy definitions and as follows: Soil material that contains at the upper limit 85 to 90 percent sand, and the percentage of silt plus 1.5 times the percentage of clay is not les than 15; at the lower limit the soil material contains not less than 70 to 85 percent sand, and the percentage of silt plus twice the percentage of clay does not exceed 30. a. Loamy coarse sand: 25 percent or more very coarse and coarse sand, and less than 50 percent any other one grade of sand. b. Loamy sand: 25 percent or more very coarse, coarse, and medium sand, and less than 50 percent fine or very fine sand. C. Loamy fine sand: 50 percent or more fine sand or less than 25 percent very coarse, coarse,and medium sand and less than 50 percent very fine sand. d. Loamy very fine sand: 50 percent or more very fine sand. D. Sandy loams shall conform to USDA Soil Taxonomy definitions and as follows: Soil material that contains either 20 percent clay or less, and the percentage of silt plus twice the percentage of clay exceeds 30 percent, and 52 percent or more sand; or less than 7 percent clay, less than 50 percent silt,and between 43 percent and 52 percent sand. a. Coarse sandy loam: 25 percent or more very coarse and coarse sand and less than 50 percent any other grade of sand. b. Sandy loam: 30 percent or more very coarse, coarse and medium sand, but less than 25 percent very coarse sand,and less than 30 percent very fine or fine sand. c. Fine sandy loam: 30 percent or more fine sand and less than 30 percent very fine sand or between 15 and 30 percent very coarse, coarse,and medium sand. October 23,2009 02901 -4 PLANTING SOIL Kollmorgen Electro-Optical Cadmium, Copper, Soluble Salts, and pH and buffer pH. A Conductivity Meter shall be used to measure Soluble Salts in 1:2 soil/water (v/v). Except where otherwise noted,nutrient tests shall be for available nutrients. d. Soil analysis tests shall show recommendations for soil additives to correct soils deficiencies as necessary, and for additives necessary to accomplish planting work as specified. 2. If biosolid compost (Massachusetts Department of Environmental Protection-permitted material) is used as an organic component of the proposed planting soil mixture, the amount of organic material used shall not exceed agronomic rates for nitrogen and phosphorus for trees and shrubs, turf or ornamental perennials. Provide certificates of agronomic rates from vendor for organic matter used in loam borrow manufacturing process. Biosolid compost shall be tested by an approved testing laboratory to determine that the compost is mature, stable and suitable for use in a growing medium. (Biosolid compost shall be testing by Woods End Research Laboratory, PO Box 297, Mt. Vernon,Maine, 04352.) 2. Peat Moss: Submit a one cubic foot sample and supplier's certification of contents. 3. Limestone: Submit supplier's certification that the limestone being supplied conforms to these Specifications. 3. Acidulant: Submit supplier's certification that the acidulant being supplied conforms to these Specifications. 5. Fertilizer : a. Submit product data of planting fertilizer and certificates showing composition and analysis. Submit fertilization rates for fertilizer product based upon soil testing, analysis, and recommendations as specified, performed and paid for under in this Division 2 Section,PLANTING SOILS. b. Submit the purchasing receipt showing the total quantity purchased for the project prior to installation. 6. Gypsum: Submit manufacturer's product data and 2 pound(1 kilogram) sample. 7. All additives needed to amend a specific soil in order to meet these specifications. 1.05 EXAMINATION OF CONDITIONS A. All areas of the existing site where topsoil is to sampled for testing shall be inspected by the Contractor before starting work and any issues that might inhibit or prevent the sampling operation shall be reported to the Owner's Representative prior to beginning this work. B. The Contractor and any sub-Contractor responsible for the execution of the Work of this Division 2 Section, PLANTING SOILS, shall review and confirm in writing that the subsoil elevations have been brought to the proper subgrade elevations prior to proceeding with the spreading of the loam borrow. C. The Contractor and any sub-Contractor responsible for the execution of the Work of this Division 2 Section, PLANTING SOILS, shall review the subgrades and verify that the October 23,2009 02901 - 3 PLANTING SOIL Kollmorgen Electro-Optical 3. A.O.A.C.: Association of Official Agricultural Chemists. 1.04 SUBMITTALS A. At least 30 days prior to ordering materials, the Contractor shall submit to the Owner's Representative representative samples, certifications, manufacturer's product data and certified test results for materials as specified below for approval in conformance with the requirements of Division 1 Section, SUBMITTALS. No materials shall be ordered or delivered until the required submittals have been reviewed and approved by the Owner's Representative. Delivered materials shall closely match the approved samples. Approval shall not constitute final acceptance. The Owner's Representative reserves the right to reject, on or after delivery, any material that does not meet these Specifications. 1. Loam Borrow: The Contractor shall provide a one cubic foot representative sample per each 1,000 cubic yard(750 cubic meter)proposed stockpile of loam borrow for testing. All stockpile sampling shall be per ASTM D 75 and Appendixes for securing samples from stockpiles. Stockpiles shall be separated into 1,000 cubic yard (750 cubic meter) piles and labeled in the field with a numbering system referenced in all soil samples and test results. Stockpiles shall be manufactured sufficiently in advance of testing so that pH, organic content, and carbon/nitrogen ratio have stabilized. Testing will be at the Contractor's expense. Contractor shall deliver all samples to testing laboratories via overnight courier and shall have the testing report sent directly to the Owner's Representative. Perform all tests for gradation, organic content, soil chemistry and pH by UMASS Soil and Plant Tissue Laboratory, West Experiment Station,North Pleasant Street,University of Massachusetts,Amherst,MA 01003, (413) 545-2311. Testing reports shall be dated within 30 days of submission to the Owner's Representative. Testing reports beyond 30 days old will be rejected and new testing reports mandated. Testing reports shall include the following tests and recommendations. Contractor shall deliver samples to testing laboratories and shall have the testing report sent directly to the Owner's Representative from the Soil and plant Tissue Laboratory. Testing reports shall include the following tests and recommendations. a. Mechanical gradation (sieve analysis) shall be performed and compared to the USDA Soil Classification System. Sieve analysis shall be by combined hydrometer and wet sieving using sodium hexametaphosphate as a dispersant in compliance with ASTM D 422 after destruction of organic matter by H2O2. To facilitate review and approval of sieve analysis, provide a computer generated gradation curve from UMASS Soil&Plant Tissue Laboratory. b. Percent of organics shall be determined by the loss on ignition of oven-dried samples. Test samples minus #10 material shall be oven-dried to a constant weight at a temperature of 450 degrees Fahrenheit(752 degrees Centigrade). c. Chemical analysis shall be undertaken for Nitrate Nitrogen, Ammonium Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, extractable Aluminum, Lead, Zinc, October 23,2009 02901 -2 PLANTING SOIL Kollmorgen Electro-Optical SECTION 02901 PLANTING SOILS PART1 GENERAL 1.01 RELATED DOCUMENTS A. The General Documents, as listed on the Table of Contents, and applicable parts of Division 1, GENERAL REQUIREMENTS, shall be included in and made a part of this Section. B. Examine all Contract Documents and all other Sections of the Specifications for requirements therein affecting the work of this trade. 1.02 SUMMARY A. The work of this Section consists of providing all labor, equipment, materials, incidental work, and construction methods necessary to supply and place planting soils as indicated on the Contract Documents and as specified. Supplying and placement of planting soils shall include,but not be limited to: 1. Sampling and testing of loam borrow. 2. Modifying, screening,placing, spreading and grading of loam borrow. 3. Providing all other sampling, testing, supplying, placing, spreading and grading of planting soils as required by this Section. 1.03 REFERENCES 1. Commonwealth of Massachusetts Highway Department(MHD): Specifications Standard Specifications for Highways and Bridges 2. American Society for Testing and Materials(ASTM): D 75 Practice for Sampling Aggregates D 422 Test Method for Particle-Size Analysis of Soils D698-00a Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 ft- lbf/ft) D1557 Moisture-Density Relations of Soils and Soil-Aggregate Mixtures using 10-1b Rammer and 18-in. Drop October 23,2009 02901 - 1 PLANTING SOIL KOLLMORGEN ELECTRO-OPTICAL E. Provide continuous 3/8" joint where 6'x6' granite slabs abut concrete pavement on rear terrace. F. Contractor shall assume cutting minimum of two granite segments in each section to complete the six stepped granite accent walls along the front of the building. Contractor shall assume that a minimum of one stone per run of granite will require field splitting to required length for the remaining walls. All cuts shall have a natural split face. Stones shall not be saw cut. 3.04 RIVERSTONE A. Install riverstone in bioswale at all curb breaks shown on the Contract Documents. 3.05 BICYCLE SHELTER A. Excavate for the footings and slab per the requirements of the Earthwork Section. B. Place concrete per the specifications for concrete pavement or cast in place concrete as applicable. C. Slab surface shall be finished with a medium broom finish. D. Install the shelter components per the manufacturer's instructions. 3.06 ACCEPTANCE STANDARDS A. Porcelain Enamel and Frame: a. Upon installation porcelain sign and frame do not meet the shapes, elevations and profiles shown on the Contract Documents. b. Sign has been damaged during the completion of adjacent work. c. Sign graphics are not clear. d. Sign and frame are not plumb. e. Indications of field welding, cutting or retrofitting. f. Anchorage not solid but is perceptibly loose. Anchorage does not meet the requirements of the Contract Drawings. END OF SECTION October 23,2009 02800 - 8 SITE IMPROVEMENTS KOLLMORGEN ELECTRO-OPTICAL A. Sealant shall be polyurethane-based, one component, elastomeric sealants complying with Fed. Spec. TT-S-00230C, Class A Type 1 for horizontal use and Type 2 for vertical use. Color shall match the color of the adjacent materials as approved by the Landscape Architect. Sealants shall be self-leveling pour grade type for horizontal use and non-sag, gun-grade type for vertical use. Application of sealants for site improvements shall be in accordance approved manufacturer's recommendations. PART 3-EXECUTION 3.01 EARTHWORK A. All excavation, filling, compacting and grading of backfill materials, including base and subbase materials, ordinary borrow, drainage fill and structural associated with and used in the installation of the items of this Division 2 Section, SITE IMPROVEMENTS, shall be as specified under the Division 3 Section, EARTHWORK, and performed and paid for under the work of this Division 2 Section, SITE IMPROVEMENTS. 3.02 PORCELAIN ENAMEL SIGN AND FRAME A. Install all components of porcelain enamel sign and frame in accordance with approved Shop Drawings submitted under the requirements of this Division 2 Section, SITE IMPROVEMENTS, in location shown on the Contract Documents and installation paid for under this Division 2 Section, SITE IMPROVEMENTS. B. The Contractor shall be responsible for timing the delivery of components of sign, so as to minimize on-site storage time prior to installation. All stored materials and items must be protected from weather,careless handling and vandalism. C. Porcelain enamel sign and frame shall be installed level and plumb. D. Post set into granite base shall be grouted with non-shrink grout and sealed with approved sealants as shown on the Contract Documents. 3.03 SALVAGED GRANITE BLOCKS A. Install salvaged granite blocks in conformance to the Contract Documents. Landscape Architect shall review locations of salvaged granite placement prior to any being placed. B. All granite blocks to be used in a row shall adhere to the same width. Edges of blocks shall align. Blocks shall be equally spaced per Contract Documents. Blocks shall be set at a uniform depth so that tops of blocks are flush with adjoining block. Top of blocks shall be set level. C. Blocks set on grade shall be completely stable and not able to rock back and forth. D. Blocks stacked on top of base stones shall be stable and not able to rock. Contractor to shim stones as needed with plastic or other approved shims to stabilize blocks. All shims shall be concealed and not accessible for removal or tampering. October 23,2009 02800 - 7 SITE IMPROVEMENTS KOLLMORGEN ELECTRO-OPTICAL B. The Contractor shall make an initial selection of stones to be finished for this Work and shall notify the Landscape Architect prior to any cleaning, cutting or finishing. Stones may not be removed from the stock pile area without prior permission of the Landscape Architect. C. The Contractor shall take care not to damage selected stones while they are being handled. 2.03 RIVERSTONE A. River stone provided and installed in the bioswale shall consist of durable rounded rock collected from the New England Region. It shall be inert,hard, durable, washed stone, free of deleterious materials. It shall be grey/brown in color range. It shall be composed of stones that meet the following gradation requirements: Size of Stone Passing Percentages 4 inches 50-75 2inches 25-50 1 inches 0-25 B. Contractor shall be responsible for washing of all stone to remove dust and dirt prior to placement within the bioswale. 2.04 BICYCLE SHELTER A. Bicycle shelter shall be the "Edge" manufacturered by MM Cite and represented by Maturano Recreation, Sea Girt,NJ. Contact: Andre Bertrand 800-922-0070 x21. B. Shelter shall have a capacity of 25 bicycles and have a glass roof and walls on 3 sides. Bicycle racks to provide stations for securing bicycles with standard locks should be provided. C. Concrete footing and slab shall be 4000 psi 28 day concrete. 2.05 GROUT A. Grout as required for anchoring shall be a pourable, quick setting, non-metallic and non- shrinking hydraulic cement grout equal to the-following: 1. Five Star Grout U.S. Grout Corporation 425 Stillson Road Fairfield,CT 06430 (800)243-2206 2. Sika Grout 212 Sika Corporation Lyndhurst,NJ 07071 (201)933-8800 3. Harris Construction Grout AH Harris& Sons 10 West Mill St. Medfield, MA 02052 (508)359-7321 2.06 SEALANTS October 23,2009 02800 -6 SITE IMPROVEMENTS KOLLMORGEN ELECTRO-OPTICAL C. Any part of the work installed under this contract requiring excessive maintenance shall be considered as being defective, and shall be replaced by the Supplier during the one year guarantee period at no cost to the Owner. PART 2-PRODUCTS 2.01 PORCELAIN ENAMEL SIGN AND FRAME A. Porcelain enamel sign and frame shall be supplied by KVO Industries, Inc. 1825 Empire Industrial Ct. Suite A, Santa Rosa CA 9540. B. Porcelain enamel shall be a substantially vitreous inorganic coating bonded to metal by fusion at temperatures above 760 degrees Centigrade.Porcelain enamel frits,glazes and oxides shall be processed into a final form that shall have no less than a Class A acid resistance rating as defined by ASTM C282,Citric Acid Spot Test. Provide minimum 12 colors. C. Finished panels shall have a maximum variation of 3/16 inch in a convex direction when measured perpendicular to the nominal plane of the panel face. Variation in the concave direction shall be limited to 3/32 inch from the actual plane of the panel face. D. Panels shall be square within 1/16 inch as measured across the diagonal. E. Enameling steel shall be as defined by ASTM A424 Type 1, with a thickness of 16 gauge. Steel substrates shall be machine fabricated in accordance with approved shop drawings and shall exhibit straight lines, square corners, and shall be free of twists, kinks, warps, dents, and other imperfections which may affect appearance or serviceability. F. Frame shall be 26x20 Single Leg Pedestal Low Profile Outline, Product ID 2620 OL SLP provided by KVO Industries and shall conform to the following: 1. Frame Dimensions 26"x 20" 2. Graphic Panel Dimensions 25 5/8"x 19 5/8" 3. Visible Opening 23"x 17" 4. Construction Material 316 Stainless Steel 5. Finish No. 2 Mill finish G. Frame post shall be 3" O.D. with 1/8" wall thickness; overall frame dimensions shall be in accordance to Contract Documents and approved shop drawings. 2.02 SALVAGED GRANITE BLOCKS A. Sizes of salvaged stones available to the Contractor are in a variety of shapes and sizes, and shall be as selected by the Landscape Architect from Owner's stockpile. Stones shall be selected to fit within the general size parameters scaled from the Drawings. 1. Sizes of stones shall be as indicated on the Drawings.A variety of lengths shall be used, and the stones shall be installed in a random pattern to be reviewed and approved by the Engineer. 2. Stones shall be entirely free of all metal fittings or hardware. 3. Cleaning: Selected stones shall be cleaned of all foreign matter including but not limited to;oil dirt,mortar,weld splatter, stains,paint and any incidental defacements. October 23, 2009 02800- 5 SITE IMPROVEMENTS KOLLMORGEN ELECTRO-OPTICAL 1.08 GENERAL INSTALLATION A. Where anchors, bolts or fasteners are exposed, they shall be configured or secured in such a way as to prevent their casual removal by use of vandal-proof heads or fastenings unless otherwise specified on Drawings. B. Provision and delivery of all metal inserts, anchor slots, anchors, anchor bolts, fastenings, and other fastening devices, for attachment of sign frame to granite base shall be in accordance with the Contract Documents. Installation and payment for installation of all such fastening devices shall be under the work of this Division 2 Section, SITE IMPROVEMENTS. C. Free-standing site improvement items shall be set plumb and horizontal regardless of the pitch of the finished surrounding grade unless otherwise shown on the Contract Documents. D. The Contractor shall be responsible for timing the delivery of site improvement items so as to minimize the on-site storage time prior to installation. All stored materials shall be protected from weather, careless handling and vandalism. E. All Work shall be accurately set to established lines and elevations and rigidly set in place to supporting construction. 1.09 COORDINATION A. The work of this Division 2 Section, SITE IMPROVEMENTS, shall be completely coordinated with the work of other Sections. Verify dimensions and work of other trades that adjoin materials of this Division 2 Section, SITE IMPROVEMENTS, before installing items specified. B. Obtain all necessary templates and patterns required from other trades for proper execution of work of this Division 2 Section, SITE IMPROVEMENTS. Coordinate the delivery of items, templates, and patterns manufactured by other trades to maintain construction schedule. Receive from other trades items to be installed under this Division 2 Section, SITE IMPROVEMENTS. 1.10 GUARANTEE A. The Contractor shall furnish and deliver standard written manufacturer's guarantee in Owner's name covering all materials and workmanship under this Division 2 Section, SITE IMPROVEMENTS, in addition to, and not in lieu of, guarantee requirements set forth under Division 1, GENERAL REQUIREMENTS, and other liabilities which the Contractor may have by law or other provisions of the Contract Documents. B. Supplier shall pay for repairs of any damage to any part of the project caused by defects in his work and for any repair to the materials or equipment caused by replacement. All repairs are to be done to the satisfaction of the Owner's Representative. October 23,2009 02800-4 SITE IMPROVEMENTS KOLLMORGEN ELECTRO-OPTICAL 1.06 QUALITY STANDARDS A. Workmanship and finish shall be equal to the best practice of modern shops for each item of work. Metal fabrication shall be accomplished using the highest standards of workmanship. All work shall be executed by experienced mechanics, shall conform to the requirements of the Contract Documents, and meet the following requirements. I. Individual metal pieces shall be saw cut and carefully fitted together. 2. Sections shall be well formed to shape and size with sharp lines and angles; curved work shall be sprung evenly to curves. 3. Exposed surfaces shall have a smooth finish and sharp,well defined lines and arrises. 4. All surfaces and connections of metal items shall be without visible grinding marks, surface differentiation or variation. 5. All fabricated metal items shall be fine sanded throughout to produce a high standard of surface smoothness. 6. Welding shall be continuous and shall extend for the entire length of the joints except where specifically indicated on the Contract Documents. All exposed welds shall be ground smooth. 7. Weld with uncoated wire to prevent flux deposits. If coated wire is used, all flux residue shall be thoroughly removed and bare white metal exposed, prior to galvanization, if applicable. Where overlapping surfaces are welded, seal off contact area by welding all edges around contact area. 8. All welds shall be water tight. 9. All shop connections shall be full seam welded and ground flush and smooth. Field connections bolted unless otherwise permitted as indicated in this Division 2 Section, SITE IMPROVEMENTS. Draw up all threaded connections tightly, after buttering same with pipe joint compound,to exclude water. Deform threads to prevent loosening for all exposed connections subject to vandalism. B. Where work fabricated under other Sections has been delivered to the site and has dimensions or fabricated construction that does not fit the field conditions, notify the Owner's Representative of the discrepancy immediately. Follow up voice communication with a written correspondence detailing the discrepancy between delivered work and constructed condition. 1.07 DELIVERY, STORAGE AND HANDLING A. Store delivered Site Improvement items under this Division 2 Section, SITE IMPROVEMENTS, in a manner to prevent wracking or stress of components, and to prevent mechanical damage or damage by the elements.All stored materials and items shall be protected from weather, careless handling and vandalism. B. Items which become rusted or damaged because of non-compliance with these conditions will be rejected and shall be replaced without additional cost to the Owner. October 23, 2009 02800 -3 SITE IMPROVEMENTS KOLLMORGEN ELECTRO-OPTICAL 1.04 REFERENCES A. The following standards shall apply to the work of this Section: 1. Commonwealth of Massachusetts Highway Department(MHD): Specifications Standard Specifications for Highways and Bridges 2. ASTM: American Society for Testing and Materials 1.05 SUBMITTALS A. Samples: 1. Porcelain Enamel Sign — Submit a 6 inch high sample porcelain enamel panel with representative portion of the art work showing range of colors and typical detail for acceptance by the Owner's Representative. 2. Riverstone — Submit 5 gallon sample of proposed stone showing typical size and full range of color B. Shop Drawings: 1. Submit complete shop drawings of assembled components of the for the Porcelain Enamel Sign and stainless steel frame and the covered bicycle shelter, for Landscape Architect's approval. Include plans, sections and details as required to show all materials, layout, dimensions,jointing and connections for all items required. C. Certificates: 1. Certification in writing that the porcelain enameling will be performed in accordance with the current edition of the PEI Technical Manual, Section PEI 1001, "Specification for Architectural porcelain Enamel on Steel for Exterior Use"as issued by the Porcelain Enamel Institute of Washington,DC. D. Artwork for Enamel Signs. 1. Submit final sign artwork for approval by Landscape Architect. Electronic files of same will be supplied to the approved fabrication facility by the Landscape Architect. E. Manufacturer's Literature: Submit copies of each of manufacturer's material descriptions and installation instructions for the following: a. Non-shrink grout b. Sealant C. Bicycle shelter F. Submit a granite block cleaning plan describing procedures and cleaning products for review and approval by the Landscape Architect. October 23,2009 02800-2 SITE IMPROVEMENTS KOLLMORGEN ELECTRO-OPTICAL SECTION 02800 SITE IMPROVEMENTS PART 1 - GENERAL 1.01 RELATED DOCUMENTS A. The General Documents, as listed on the Table of Contents, and applicable parts of Division 1, GENERAL REQUIREMENTS, shall be included in and made a part of this Section. B. Examine all Contract Documents and all other Sections of the Specifications for requirements therein affecting the work of this trade. 1.02 SUMMARY A. The work of this Section consists of providing all labor, equipment, materials, incidental work, and construction methods necessary to furnish and install designated Site Improvements and related items as indicated on the Contract Documents, as specified in this Section, and includes, but is not limited to,the following: 1. Porcelain enamel sign and frame 2. Salvaged granite blocks 3. Riverstone 4. Bicycle Shelter 1.03 RELATED WORK UNDER OTHER SECTIONS A. The following items of related work are specified and included in other Sections of the Specifications: 1. Division 2 Section: EARTHWORK; Excavation and backfill for footings. 3. Division 2 Section: CONCRETE PAVEMENT; pavement adjacent to placement of granite blocks 3. Division 2 Section: BRICK PAVERS; pavement adjacent to placement of granite blocks October 23, 2009 02800 - 1 SITE IMPROVEMENTS KOLLMORGEN ELECTRO-OPTICAL B. Joint filler shall be swept dry into the joints between pavers until the joints are completely filled. Surface shall be swept clean. Swept surface shall than be thoroughly dampened with a low-volume fine spray of water. 3.07 CLEANING AND PROTECTION OF BRICK SURFACES A. After completion of brick paving, surfaces shall be carefully cleaned, removing all dirt, excess mortar, filler, and stains using the approved masonry cleaner. Follow the manufacturer's directions for use. Apply masonry cleaner within the time frame noted in the manufacturer's literature. 1. Test suitability of masonry cleaner on a test area for approval by the Owner's Representative. All test area to dry for the appropriate time period as described by Manufacturer's product literature. 2. Protect all adjacent architecture, pavement, lawns and planting from damage by masonry cleaner. Employ waterproof tarps and other appropriate barriers to prevent damage to adjacent materials. 3. After cleaning,rinse thoroughly with clean water per manufacturer's written directions. END OF SECTION October 23, 2009 02782 - 8 BRICK PAVERS KOLLMORGEN ELECTRO-OPTICAL chocks under depth control bars shall be set to proper grade. Set two bars parallel to each other to serve as guides for the striking board. The depth control bars must be set carefully to bring the pavers,when laid,to proper grade. B. While still hot 250 degrees Fahrenheit some of the bituminous bed material shall be placed between the parallel depth control bars. This bed shall be pulled with the striking board over the control bars several times. After each passage, low porous spots shall be showered with fresh bituminous material to produce a smooth, firm, and even setting bed. As soon as this initial panel is completed, advance the first bar to the next position in readiness for striking the next panel. After the depth control bars and wood chocks have been removed, carefully fill any depressions that remain. C. The setting bed shall be rolled with a power roller to a nominal depth of 3/4 inch while still hot. The setting bed thickness shall be adjusted so that when the bricks are placed and rolled,the top surface of the pavers will be at the required finished grade. D. A coating of neoprene-modified asphalt adhesive shall be applied by mopping, squeegeeing, or troweling over the top surface of the bituminous setting bed so as to provide a bond under the pavers. 1. If adhesive is trowel-applied, trowel shall be serrated type with serrations not to exceed 1/16 inch 3.05 SETTING BRICK PAVERS A. No payers shall be laid in inclement weather or when the temperature is 36 degrees Fahrenheit, and dropping, nor shall any work be done on rising temperatures until the temperature reaches 32 degrees Fahrenheit. B. Brick pavers shall be on a bituminous setting bed over a prepared base. All setting shall be done by competent masons under adequate supervision. C. Brick pavers with chips, cracks, stains, or other defects that might be visible in the finished work shall not be used. D. After the modified asphalt adhesive is applied, carefully place the pavers by hand in straight courses with hand tight joints and uniform top surface. E. Brick pavers shall be set true to the required lines and grades in the pattern detailed on the Contract Documents. Brick pavers shall be neatly cut and fitted at all perimeters and closures to fit neatly and closely, with joints uniform in thickness. Pavers shall be cut with a water-cooled,cut-off wheel masonry saw using a diamond blade. F. Under work of brick paving, set boxes for valves and gates to final grade that is flush with adjacent brick pavement. 3.06 JOINT TREATMENT A. Joints between pavers shall be hand tight and shall be uniform in thickness. Joint thickness shall not exceed 1/8 inch October 23,2009 02782 - 7 BRICK PAVERS KOLLMORGEN ELECTRO-OPTICAL 2.08 WATER A. Water shall be potable and shall be free of injurious contaminants. PART 3 EXECUTION 3.01 ACCEPTABILITY OF CONCRETE BASE A. Contractor shall examine the concrete base provided, installed and paid for under the work of the Division 2 Section, REINFORCED CONCRETE PAVEMENT to determine its adequacy to receive brick pavers and setting bed. Concrete shall have fully cured prior to the work of installing brick pavers. Evidence of inadequate base shall be brought to the immediate attention of the Owner's Representative and shall be corrected by the Contractor as directed by the Owner's Representative at no additional cost to the Owner. B. Start of work of this Division 2 Section, BRICK PAVERS, shall constitute acceptance of concrete base. 3.02 EDGING A Aluminum edging strips shall be installed at locations indicated on the Contract Documents. Install aluminum edging with the base resting on the concrete subbase and facing toward the brick surface. Set edging to the required alignment, straight and true and to the required elevation to ensure full paver restraint. Drive nails into concrete. Nails hall be no less than 2 '/2"from edge of concrete subbase. 1. Aluminum edging shall be securely staked in required position. Nails shall be driven every 12 inches in straight runs and into every support section in curved sections. 2. Adjacent lengths shall be attached using manufacturer's standard connections according to manufacturer's published instructions. 3. Edging shall be set plumb and vertical at required line and grade. Straight sections shall not be wavy; curved sections shall be smooth and shall have no kinks or sharp bends. 3.03 ASPHALT PRIME COAT A. The surface of the base shall receive an asphalt prime coat before laying bituminous setting bed. Prime coat shall be applied at rate that will leave bituminous residue of 5 to 7 gallons per 100 square yards after evaporation of vehicle. Base surface shall be dry and clean when prime coat is applied. Bituminous setting bed shall not be placed until vehicle has completely evaporated from prime coat. 3.04 BITUMINOUS SETTING BED A. Bituminous setting bed shall be installed over the fully dry asphalt prime coat. Control bars 3/4 inch deep shall be placed directly over the base. If grades must be adjusted, wood October 23,2009 02782-6 BRICK PAVERS KOLLMORGEN ELECTRO-OPTICAL 1. Mastic(asphalt adhesive): a. Solids(base)content by volume=75+ 1 percent. b. Weight=8.0 to 8.5 pounds/gallon c. Solvent vehicle=Varsol [over 100 degrees Fahrenheit flash]. 2. Base(2 percent neoprene, 10 percent fibers, 88 percent asphalt): a. Melting point(ASTM D 36)=200 degrees Fahrenheit minimum. b. Penetration at 77 degrees Fahrenheit 100 gram load 5 second(0.1 mm)=23 to 27. c. Ductility(ASTM D 113 at 77 degrees Fahrenheit, 5 cm/minute)= 125 cm, minimum. 2.04 ASPHALTIC PRIMER A. Primer for base beneath bituminous setting bed and brick pavers shall be an emulsified asphalt rapid setting type conforming to AASHTO M 140, Grade RS-1, or AASHTO M 208, Grade CRS-I. 2.05 MASONRY CLEANER A. Masonry cleaner shall be a product specifically designed to remove excess mortar and grout, rust, job dirt, and all construction stains during a final cleandown of new brick surfaces and leave those brick surfaces uniformly clean. Masonry cleaner shall be formulated to avoid damaging or staining of brick surfaces, damage to mortar joints, and alteration of the color of the mortar joints. Masonry cleaner shall be acid-free and an environmentally safe product that can be flushed into a storm sewer system without damage to that system. 2.06 SAND JOINT FILLER A. Joint filler between paver joints shall be sand. Sand shall be a clean, washed, uniformly well graded masonry sand conforming to ASTM C 144, except that the fineness modulus shall be 2.25+ 0.10. Sand shall be from a single source. Source of supply shall not be changed during course of job without written permission of the Owner's Representative. 2.07 EDGING A. Aluminum edging shall be PermaLoc StructurEdge Aluminum Edging, manufactured by PermaLoc, Holland, MI, 49424 or approved equal. Aluminum edging shall be shop fabricated from aluminum alloy 6063-T6, 3/16 inch thick x 2-1/4 inch deep, with standard black baked-on acrylic paint finish. Edging shall be furnished in 16-foot lengths. 1. Adjacent sections shall be adjoined using a 4 inch sliding, locking connector of aluminum alloy 6063-T6. 2. Edging shall be anchored to concrete subbase with a Ramset I" stainless steel nail driven 12"o.c. October 23,2009 02782-5 BRICK PAVERS KOLLMORGEN ELECTRO-OPTICAL 2. Paver Colors shall be the following: a. Paver Type A - Sterling Grey b. Paver Type B -Dark Iron Spot colors C. Brick shall conform to the following requirements: 1. Average absorption,24 hour cold-water absorption test equals 4 percent or less. 2. Average compressive strength of not less than 10,500 pounds per square inch for any five bricks tested. 3. Capable of withstanding at least the equivalent of 100 cycles of freeze-thaw conditions. 4. Permissible paver tolerances shall conform to ASTM C 902. 5. Paver shall not vary from nominal dimensions by more than 1/8 inch. D. Color and texture shall match the sample at the office of the Owner's Representative, and shall be as approved by the Owner's Representative from samples submitted by the Contractor prior to delivery. E. Brick shall be uniform in color, size, appearance, and dimensions, and shall have smooth regular edges where they are closely butted. F. Laminated brick will not be accepted. 2.02 BITUMINOUS SETTING BED A. Asphalt cement to be used in the bituminous setting bed shall conform to ASTM D 3381. Viscosity grade shall be A.C. 10 or A.C. 20. B. Fine aggregate to be used in the bituminous setting bed shall be clean, hard sand with durable particles and free from adherent coating, lumps of clay, alkali salts, and organic matter. Aggregate shall be uniformly graded from "coarse" to "fine" with 100 percent by weight passing the No. 4 sieve and shall meet the gradation requirements when tested in accordance with ASTM C 136. C. Fine aggregate shall be dried and shall be combined with hot asphalt cement, and the mix shall be heated to approximately 300 degrees Fahrenheit at an asphalt plant. The approximate proportion of materials shall be 7 percent cement asphalt and 93 percent fine aggregate. Each ton of material shall be apportioned by weight in the approximate ratio of 145 pounds asphalt to 1,855 pounds sand. The Contractor shall determine the exact proportions to produce the best possible mixture for construction of the bituminous setting bed to meet specified requirements. 2.03 NEOPRENE-MODIFIED ASPHALT ADHESIVE A. Neoprene modified asphalt adhesive shall meet the following requirements: October 23,2009 02782 -4 BRICK PAVERS KOLLMORGEN ELECTRO-OPTICAL 1.06 SAMPLE PANEL A. Construct a sample panel of brick pavers on the specified base, bituminous setting bed and edging before start of any brick paving. Sample panel shall exhibit proposed color range, texture, bond, expansion jointing, pattern, finish, paver size, and workmanship. Size of panel shall be 6 feet x 6 feet,minimum. B. Sample panel shall be inspected by the Owner's Representative prior to commencing with paving. If the sample is not acceptable, the sample shall be removed and reconstructed at no cost to the Owner until an acceptable panel is constructed. The approved sample panel shall be incorporated into the finish work 1.07 DELIVERY, STORAGE,AND HANDLING A. Brick pavers and associated installation materials shall be delivered to the job adequately protected from damage during transit. 1. Brick pavers shall be carefully packed by the supplier for shipment. 2. Pavers shall be stored off the ground and protected against staining and other damage. 3. Pavers damaged in any manner will be rejected and replaced with new materials at no additional cost to the Owner. 5. Storage - Store all bricks on raised platforms. Storage piles, stacks, or bins shall be located to avoid or be protected from heavy and unnecessary traffic. Materials shall be stored under an approved roof or covered with waterproof tarpaulins at all times, except when men are working and using the materials. 1.08 PROTECTION OF ADJACENT SURFACES A. Finished surfaces adjacent to the brick paving shall be adequately protected from soiling, staining,and other damage during construction. PART 2 PRODUCTS 2.01 BRICK PAVERS A. Brick pavers shall meet or exceed the requirements of ASTM C 902, Class SX, Abrasion Type I,Application PX. B. Brick pavers shall be equal to the following: 1. Brick pavers shall be "Bear Path" 2 '/4"x4"x8" clay brick pavers manufactured by Pacific Clay Products, Inc. Lake Elsinore, CA; (951)674-2131. Pavers supplied by Consolidated Brick, 650 Bodwell Street, Avon, MA; Mark Vigneault (800)321.021 x 6546 October 23,2009 02782-3 BRICK PAVERS KOLLMORGEN ELECTRO-OPTICAL C 136 Test Method for Sieve Analysis of Fine and Coarse Aggregates C 902 Specification for Pedestrian and Light Traffic Paving Brick D36 Test Method for Softening Point of Bitumen (Ring-and- Ball Apparatus) D 113 Test Method for Ductility of Bituminous Materials D 3381 Specification for Viscosity-Graded Asphalt Cement for Use in Pavement Construction. 3. Commonwealth of Massachusetts Highway Department(MHD): Specifications Standard Specifications for Highway and Bridges 1.05 SUBMITTALS A. Samples: Furnish not less than ten individual brick pavers as samples of each paver identified. Samples shall full range of variations in color and texture. B. Manufacturer's Product Data: Manufacturer's product data shall be submitted for the following items: 1. Brick paver 2. Sand joint filler 3. Edging system 4. Neoprene-modified asphalt adhesive C. Test Report: Submit reports for brick pavers from tests conforming to ASTM C 67 methods indicating: 1. Compressive strength, pounds per square inch. 2. Absorption, 5 hour submersion in cold water. 3. Absorption,24 hour submersion in cold water. 4. Maximum saturation coefficient. 5. Initial rate of absorption(suction). 6 Abrasion index. 7. Freeze-thaw. 8. Efflorescence. October 23,2009 02782 -2 BRICK PAVERS KOLLMORGEN ELECTRO-OPTICAL SECTION 02782 BRICK PAVERS PART1 GENERAL 1.01 RELATED DOCUMENTS A. The General Documents, as listed on the Table of Contents, and applicable parts of Division 1, GENERAL REQUIREMENTS, shall be included in and made a part of this Section. B. Examine all Contract Documents and all other Sections of the Specifications for requirements therein affecting the work of this trade. 1.02 SUMMARY A. The work of this Section consists of providing all labor, equipment, materials, incidental work, and construction methods necessary to furnish and install the brick pavers, as indicated on the Contract Documents and as specified. 1.03 RELATED WORK UNDER OTHER SECTIONS A. The following items of related work are specified and included in other Sections of the Specifications: 1. Division 2 Section, EARTHWORK;Establishment of subgrade elevation. 2. Division 2 Section, REINFORCED CONCRETE PAVEMENT; Concrete for concrete base. 1.04 REFERENCES A. The following standards shall apply to the work of this Section. 1. American Association of State Highway and Transportation Officials(AASHTO): Specifications Standard Specifications for Highway Bridges M 208 Cationic Emulsified Asphalt M 140 Emulsified Asphalt 2. American Society for Testing and Materials(ASTM): C 67 Test Methods of Sampling and Testing Brick and Structural Clay Tile October 23, 2009 02782 - 1 BRICK PAVERS KOLLMORGEN ELECTRO- OPTICAL A. Arborist shall inspect all trees and shrubs within the contract limit line and promptly notify the Owner's Representative in writing of the presence of disease and pest infestations, weak crotches requiring bolting or cabling, or other tree care related issues that requiring action to protect the health of plant material within the project or to protect public health and safety. Include in written notification suggested treatment including chemical agents, dormant oil sprays,plant removal, cabling and bolting, or other options, as well as scheduling of effort. END OF SECTION October 23,2009 TREE PRUNING 02236-6 KOLLMORGEN ELECTRO-OPTICAL K. Equipment that will damage the bark and cambium layer should not be used on or in the tree. For example,the use of climbing spurs(hooks or irons)is not acceptable for pruning operations on live trees. Sharp tools shall be used so that clean cuts will be made at all times. L. All cut limbs shall be removed from the crown upon completion of the pruning. M. The presence of any disease condition, fungus fruit bodies, decayed trunk or branches, split crotches or branches, cracks, or other structural weakness should be reported in writing to the Landscape Architect and corrective measures recommended. N. Pruning shall include the satisfactory removal and disposal of all debris material generated. Removal of rubbish and all extraneous debris shall be performed as many times as necessary throughout the course of the project in order to maintain a neat and clean appearance. 3.03 SELECTIVE TREE REMOVALS A. The Contractor is responsible for the removal of all invasive species within the project limits. All invasive tree species designated for removal shall be identified for approval by Landscape Architect. Trees designated for removal shall be cut flush to grade and properly disposed of. B. Invasive species shall include but not be limited to: 1. Black Locust 2. Norway Maple(saplings) 3. Alianthus 3.04 HERBICIDE TREATMENT OF STUMPS IN UNDERSTORY AND INVASIVE SPECIES A. Stumps shall be spot treated with herbicide within 4 hours of removal of the vegetation. Herbicide shall include a colored dye to permit treated stumps. Stumps shall be individually treated by wiping or swabbing the herbicide on the exposed stump. Spraying of herbicide will not be permitted. Herbicide application shall be performed by a licensed pesticide applicator and only herbicides approved by the EPA for use in wetlands and waterways will be used in wetland areas. 3.05 PROTECTION OF TREE ROOTS A. Any exposed tree roots shall be covered with damp burlap or similar protective covering to keep roots from drying out until trench is backfilled and roots are covered with soil. B. Damaged tree roots shall be cut back to uninjured tissue using a well sharpened pruning shear or pruning saw capable of providing a clean, sharp,flush cut. 3.06 DEADWOOD AND BRUSH REMOVAL A. Deadwood and brush within the limits of work indicated on the Contract Documents shall be disposed of as follows: 1. All debris material not otherwise indicated shall be legally disposed of off-site. 3.07 PUBLIC HEALTH AND SAFETY: October 23, 2009 TREE PRUNING 02236-5 KOLLMORGEN ELECTRO- OPTICAL 3. Crown thinning: Crown thinning shall have all branches specified in crown cleaning removed and in addition shall have 10 to 15 percent of the live branches removed, mainly from the outer crown of the tree. Preference shall be given to the removal of branches outside the normal shape of the tree crown. The majority of the live branches to be removed shall be between '/4 and 1 inch in diameter. B. Trees to remain within the limits of the parking lot shall be pruned to compensate for root zone damage due to construction operations. Tree crown should be pruned to the approximate percent of the root zone that has been damaged. No crown pruning shall occur until 6 months after root pruning operations, so that leaf pullback can occur naturally. Crown pruning shall consist of reducing the total area of leaf mass by 25 percent or as directed by the Owner's Representative.Remove only those branches showing signs of leaf pullback. Before any branch is cut back, the ratio of live wood in the branch to leaf surface area in the remaining branch must be considered carefully. Generally not more than one-third of the total leaf surface of each branch should be removed. C. Tree cutting and pruning shall be performed by certified Arborists experienced in tree climbing. Care shall be taken to prevent injury to trees and plants designated to be saved. The use of climbing spurs or irons is not approved for pruning operations on trees to remain. D. Trees and plants designated to be saved shall be protected during pruning operations and all subsequent construction. The Contractor shall provide the handwork necessary to complete pruning operations without damage to adjacent trees. The Contractor shall provide the means necessary to prevent scrapes and scars to trunks and branches, and such damage shall require the Contractor to be assessed as previously specified above, or to replace damaged material to the satisfaction of the Owner's Representative. E. Each tree shall be pruned to preserve the natural character of the plant in accordance with the workmanship standards in accordance with NAA Ref. I or NAA Ref. 2,as applicable for crown cleaning,crown thinning,or crown raising. F. All dead, diseased,decayed wood, obviously weak branches, or suckers and all broken or badly bruised branches shall be removed to the full height of the trees. Never cut a leader. G. All cuts shall be made as close as possible to the trunk or parent limb, without cutting into the branch collar or leaving a protruding stub. Bark at the edge of all pruning cuts should remain firmly attached. H. All branches too large to support with one hand shall be precut to avoid splitting or tearing of the bark. Where necessary,ropes or other equipment should be used to lower large branches or stubs to the ground. I. Treatment of cuts and wounds with wound dressing or paints is prohibited. J. Old injuries are to be inspected. Those not closing properly and where the callus growth is not already completely established should be bark traced if the bark appears loose or damaged. Such tracing shall not penetrate the xylem(sapwood), and margins shall be kept rounded. October 23,2009 TREE PRUNING 02236-4 KOLLMORGEN ELECTRO-OPTICAL a. Damage which, in the Owner's Representative's opinion, can be remedied by corrective maintenance shall be repaired immediately. b. Trees or shrubs which are damaged irreparably shall, at the Owner's Representative's discretion, be replaced by the Contractor with new trees or shrubs of the same size and type. C. In the event that replacement of damaged trees is impractical as determined by the Owner's Representative, the full replacement costs will be assessed to the Contractor's account at a minimum value of$60.00 per square inch of cross-sectional area or greater in accordance with "Valuation of Landscape Trees, Shrubs and Other Plants", as defined in this Division 2 Section, TREE PRUNING. 2. Damaged trees or shrubs which require removal and/or replacement shall be removed as noted below: a. Remove all trees, stumps, brush, vegetation, downed timber, rubbish, organic matter and other rubbish or extraneous debris. b. Fell trees in such a way as to not injure other trees to be saved. PART2 PRODUCTS 2.01 HERBICIDE A. Herbicide used to treat tree stumps remaining after the removal of selected invasive trees shall be a herbicides approved by the EPA for use in wetlands and waterways will be used in wetland areas. Herbicide shall not be harmful to aquatic life. PART 3 EXECUTION 3.01 PREPARATION A. The Contractor shall be responsible for the protection of all existing trees and plants designated to remain for the length of the construction period, including liability for all damages as specified in this Division 2 Section, TREE PRUNING. Tree protection shall be as specified in Division 1 Section,TREE AND PLANT PROTECTION. 3.02 PRUNING REQUIREMENTS A. The Contractor shall perform the following pruning on all existing trees designated to remain on the Drawings as follows: 1. Crown cleaning: Crown cleaning shall consist of the removal of all dead, dying, diseased, and/or weak branches one inch in diameter and larger removed. Not more than one out of four water sprouts shall be removed when present. One stem of weakly attached "V- crotches" less than 4 inches in diameter shall be removed. The presence of larger V- crotches shall be noted and provided to the Designer. 2. Crown raising: Crown raising shall consist of removal of lower limbs at the trunk or the removal of smaller branches that will allow the upward movement of a lower limb to provide 8 feet clearance. October 23,2009 TREE PRUNING 02236-3 KOLLMORGEN ELECTRO- OPTICAL 2. National Arborist Association, 3537 Stratford Rd., Wantagh,NY 11793 (NAA): Ref. 1 Pruning Standards for Shade Trees Ref. 2 Standard for Fertilizing Shade and Ornamental Trees 3. Massachusetts Food and Agriculture Department(MA): Ref. 1 Control Recommendation Guide for Insect, Disease, and Weed Pests of Shade Trees and Woody Ornamentals 1.05 SUBMITTALS A. Schedule for Tree Protection and Pruning: The Contractor shall submit to the Owner's Representative for approval, a schedule for tree and plant protection and pruning activities to occur immediately prior to the commencement of construction. Schedule shall be approved by the Owner's Representative prior to the commencement of construction. B. Product Literature: Provide product literature for the herbicide to be used on stumps of invasive trees removed. 1.06 QUALITY ASSURANCE A. Selective pruning methods shall conform to the applicable requirements of ANSI Z133.1. B. Work of this Division 2 Section, TREE PRUNING, shall be completed by a professional Certified Arborist with a minimum five years experience, who has successfully completed a certification program equal to the Massachusetts Certified Arborist (MCA) program/examination sponsored by the Massachusetts Arborists Association, Wellesley, MA 02181-7913; Tel: (617)431-1625. 1.07 COORDINATION A. Notify Owner's Representative before work that requires inspection or testing or both. 1.08 SEQUENCING AND SCHEDULING A. General: 1. The proposed method and schedule of tree protection work and pruning submitted by the Contractor, including corrections or revisions by the Owner's Representative's review, shall be adhered to. Changes shall be allowed only on written approval by the Owner's Representative. 1.09 WARRANTY A. Damage and Destruction of Trees: 1. The Contractor shall be liable for all damage and/or disturbance to existing trees and shrubs not otherwise designated for removal throughout all portions of the Work of this Contract. Actual charges for damage to plants shall be in accordance with the schedules defined in this Division 2 Section,TREE PRUNING,with assessed charges to be deducted from sums payable under the Construction Contract. October 23, 2009 TREE PRUNING 02236-2 KOLLMORGEN ELECTRO- OPTICAL SECTION 02236 TREE PRUNING PART1 GENERAL 1.01 RELATED DOCUMENTS A. The General Documents, as listed on the Table of Contents, and applicable parts of Division 1, GENERAL REQUIREMENTS, shall be included in and made a part of this Section. B. Examine all Contract Documents and all other Sections of the Specifications for requirements therein affecting the work of this trade. 1.02 SUMMARY A. The work of this Section consists of providing all labor, equipment, materials, incidental work, and construction methods necessary to perform selective pruning and related trenching within the limits indicated on the Contract Documents and as specified herein. Work shall include, but not be limited to,the following: 1. Crown pruning,thinning and raising 2. Selective species removal 3. Removal of all rubbish, debris, and other materials to be disposed of as a result of the work of this section. 1.03 RELATED WORK UNDER OTHER SECTIONS A. The following items of related work are specified and included in other Sections of the Specifications: 1. Division 1 Section, TREE AND PLANT PROTECTION; Tree protection fencing. 2. Division 2 Section,PLANTING SOILS; Supply and spread loam. 1.04 REFERENCES A. The following standards shall apply to the work of this Section. 1. American National Standards Institute(ANSI): A300 Tree Care Operations; Tree, Shrub, and Other Woody Plant Maintenance, Standard Practices Part 1,Pruning Part 2,Fertilization Part 3, Support Systems a. Cabling,Bracing,and Guying Z133.1 Safety Requirements for Pruning, Trimming, Repairing, Maintaining and Removing Trees, and for Cutting Brush October 23, 2009 TREE PRUNING 02236- 1 Kollmorgen Electro-Optical C. Individual trees to be salvaged for lumber shall be protected by wiring two 2 in. (50 mm)x 4 in. (100 mm) lumber closely spaced in vertical alignment around the trunk of each tree. No spikes or nails are to be driven into trees. 1. The number of trees to be designated for such protection shall be shown on the Contract Documents. D. Tree and shrub protection shall remain in place and be maintained in working condition by the Contractor until directed for removal by the Owner's Representative. All tree protection devices shall be removed from the site by the Contractor at the completion of the work. E. Damage no plants to remain by burning, by pumping of water, by cutting of live roots or branches, or by any other means. No plants to be saved shall be used for crane stays, guys or other fastenings. Vehicles shall not be parked within the dripline or where damage may result to trees to be saved. Construction materials shall not be stored beneath trees to be saved. 3.03 REMOVAL OF TREEE AND SHRUB PROTECTION MATERIAL A. Contractor shall remove and discard in a legal manner all tree protection material, and all debris and trash from the site at the completion of the Contract. END OF SECTION October 23,2009 01569-3 TREE AND PLANT PROTECTION Kollmorgen Electro-Optical 3. Polypropylene barricade fencing manufactured by Ben Meadows Co., 3589 Broad Street, Atlanta, GA 30366. Stakes for fencing shall be 2 in. (50.8 mm) x 4 in. (101.6 mm) wood posts, driven a minimum of 3 ft. (0.92 m) into the ground. Posts shall be spaced 8 ft. (2.73 m)maximum. 4 Plastic polymer safety fence, Model BX2050 Safety Grid,manufactured by The Tensar Corporation, Morrow, GA 30260, or approved equal. Color shall be high visibility orange. Stakes for fencing shall be (50.8 mm) x 4 in. (101.6 mm)wood posts, driven a minimum of 3 ft. (0.92 m) into the ground. Posts shall be spaced 8 ft. (2.73 m) o.c. maximum. 5. Unless otherwise indicated,height of fencing shall be 4 ft. (1.22 m). B. Tree protection fence is not to be substituted for construction security fencing. 2.02 TREE WRAPPING PROTECTION A. Tree protection lumber, as designated, shall consist of 2 in. (50.8 mm) x 4 in. (101.6 mm) lumber wired together in close spacing with 16 gauge galvanized steel wire to form a protective enclosure around tree trunks. PART 3 EXECUTION 3.01 IDENTIFICATION OF TREES AND SHRUBS TO REMAIN A. Prior to starting site clearing operations, stake out all areas of trees and shrubs to be saved as noted on the Contract Documents for approval by the Owner's Representative. B. Before any clearing is done, the Contractor shall arrange a conference on the site with the Owner's Representative to identify trees and shrubs that are to be protected or removed. Do no clearing without clear a understanding of existing conditions to be preserved. C. The Contractor shall be responsible for the protection of all existing trees and plants designated to remain for the length of the construction period, including liability for all damages as specified herein. The placement of protection devices additional to those specified shall,however, be at the Contractor's discretion and with no additional cost to the Owner. 3.02 PROTECTION OF EXISTING TREES AND SHRUBS A. The Contractor shall make every effort not to damage existing plant materials to remain. The Contractor is required to install protection as necessary to assure undamaged plant material and adjacent conditions. B. Plants as designated to remain shall be protected by the placement of a tree protection fence enclosure around shrubs, or at the drip line of each tree. Place tree protection additionally at all other locations where trees and/or shrubs may be jeopardized by construction activities. Tree protection fencing shall be supported with specified stakes at maximum 5 ft. (1.5 m)on center intervals. October 23,2009 01569-2 TREE AND PLANT PROTECTION Kollmorgen Electro-Optical SECTION 01569 TREE AND PLANT PROTECTION r PART1 GENERAL 1.01 RELATED DOCUMENTS A. The General Documents, as listed on the Table of Contents, and applicable parts of Division 1, GENERAL REQUIREMENTS, shall be included in and made a part of this Section. B. Examine all Contract Documents and all other Sections of the Specifications for requirements therein affecting the work of this trade. 1.02 SUMMARY A. The work of this Section consists of providing all labor, equipment, materials, incidental work, and construction methods necessary to protect existing trees, shrubs, and other plant materials from damage as a result of the Contractor's operations, as indicated on the Contract Documents and as specified. Tree and plant protection shall include, but not be limited to: 1. Tree protection fencing. 1.03 ON-SITE PRECONSTRUCTION CONFERENCE A. Before the start of any work on the site, preceding the arrival of equipment, materials or vehicles to the site, and prior to the commencement of any clearing on the site, the Contractor shall arrange a preconstruction conference on the site with the Owner's Representative to identify trees and shrubs that are to be protected or removed. Do no clearing without a clear understanding of existing conditions to be preserved. PART 2 PRODUCTS 2.01 TREE PROTECTION FENCING A. Tree protection fencing shall be one of the following, at the Contractor's option. 1. Galvanized chain link fencing. Posts for fencing shall be nominal 2-1/2 in. (63 mm) diameter, galvanized steel posts, driven a minimum of 3 ft. (0.92 m) into the ground. Posts shall be spaced 10 ft. (3.05 m) o.c. maximum. Fence fabric shall be 2 in. (50.8 mm)mesh, 11 gauge minimum. 2. Wire bound woodroll snow fence with 3/8 in. (9.52 mm) x 1-1/2 in. (38.1 mm) wide pickets, spaced approximately 2 in. (50.8 mm) apart bound together with at least 13 gauge galvanized steel wire and with brightly painted top edge. Stakes for fencing shall be steel or wood posts. Posts shall be spaced 10 ft.(3.05 m)maximum. October 23, 2009 01569- 1 TREE AND PLANT PROTECTION