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NOI_Audubon Road_June 2016 53 Southampton Road • Westfield, MA 01085-5308 • Tel 413.562.1600 www.tighebond.com N-936-10-01-03 (7100) June 30, 2016 City of Northampton Conservation Commission City Hall – Room 11 210 Main Street Northampton, MA 01060 Re: Audubon Road Utilities and Road Reconstruction Project Notice of Intent Dear Members of the Commission: On behalf of the City of Northampton Engineering Department (City), Tighe & Bond respectfully submits nine (9) copies of this Notice of Intent (NOI) relative to utility replacements and roadway reconstruction in the Village of Leeds, Northampton, Massachusetts. A copy of WPA Form 3 is provided on the next pages. Figures and plans depicting the project location and activities are provided in Appendix A for your reference. This NOI is being filed under the Massachusetts Wetlands Protection Act (WPA; M.G.L. c. 131 § 40) and the City of Northampton Wetlands Protection Ordinance (Chapter 337). A portion of the proposed work will occur within wetland resource areas associated with Day Brook, including its 200-foot Riverfront Area and 100-foot Buffer Zone. We look forward to discussing this project with the Commission at its July 28, 2016 public hearing. If the Commission would like to schedule a site visit or has any questions, please contact Melissa Coady at (413) 572-3224 / MPCoady@tighebond.com or me at (413) 572- 3279 / ZPChornyak@tighebond.com. Very truly yours, TIGHE & BOND, INC. Zachariah P. Chornyak, P.E. Project Manager Enclosures Copy: MassDEP Western Region (WERO) Bureau of Water Resources - Wetlands David Veleta, P.E., City Engineer, Northampton Dept. of Public Works J:\N\N0936 Northampton DPW\10 - Audubon Road Drain and Water Project\Permitting\NOI\DOC\2 - Cover letter.docx Table of Contents Tighe&Bond i WPA Form 3 Wetland Fee Transmittal Form Section 1 Introduction Section 2 Existing Conditions 2.1 Project Area ................................................................................ 2-1 2.2 Wetland Resource Areas ................................................................ 2-1 2.2.1 Methodology of Wetland Resource Area Delineation ................. 2-1 2.3 Rare Species ................................................................................ 2-2 Section 3 Project Description 3.1 Proposed Activities ....................................................................... 3-1 3.1.1 Water and Storm Drain Utilities ............................................ 3-1 3.1.2 Culvert Replacement and Improvement ................................. 3-1 3.1.3 Day Brook Stone Weir Breach ............................................... 3-2 3.1.4 Roadway Reclamation and Repaving ...................................... 3-2 3.2 Anticipated Sequence of Construction .............................................. 3-3 3.3 Construction Period Protective Measures .......................................... 3-3 3.3.1 Erosion Control Barriers ....................................................... 3-4 3.3.2 Coffer Dams ...................................................................... 3-4 3.3.3 Other Protective Measures ................................................... 3-4 Section 4 Regulatory Compliance 4.1 Routine Maintenance Order of Conditions ......................................... 4-1 4.2 Wetlands Protection Act ................................................................ 4-1 4.2.1 Limited Project Status ......................................................... 4-1 4.2.2 Summary of Jurisdictional Activities ...................................... 4-2 4.2.3 General Performance Standards ............................................ 4-2 4.2.4 Abutter Notification ............................................................. 4-7 4.2.5 Stormwater Management Standards ...................................... 4-7 4.3 Northampton Wetlands Protection Ordinance .................................... 4-7 4.3.1 DPW Generic Order of Conditions .......................................... 4-7 4.3.2 No Encroachment Zone ....................................................... 4-7 4.3.3 Abutter Notification ............................................................. 4-8 4.4 Other Pertinent Local, State and Federal Approvals ........................... 4-8 4.4.1 Northampton Department of Public Works .............................. 4-8 4.4.2 Section 401 of the Clean Water Act ....................................... 4-8 4.4.3 NPDES Construction General Permit ...................................... 4-8 4.4.4 Section 404 of the Clean Water Act ....................................... 4-8 Table of Contents Tighe&Bond ii J:\N\N0936 Northampton DPW\10 - Audubon Road Drain and Water Project\Permitting\NOI\DOC\4 - Narrative.docx Appendices A Figures / Project Drawings 1 – USGS Site Locus 2 – Priority Resource Map 3 – Orthophotograph Project Drawings Note: Project drawings provided at half-scale. Complete set of full-size drawings provided under separate cover. B Site Photographs C Abutter Notification Information Affidavit of Service Certified List of Abutters Abutter Notification Form D Stormwater Report WPA FORM 3 Tighe&Bond Audubon Road Utilities and Road Reconstruction Project (Leeds/Northampton, Massachusetts) wpaform3.doc • rev. 3/10/2016 Page 1 of 9 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands WPA Form 3 – Notice of Intent Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Provided by MassDEP: MassDEP File Number Document Transaction Number Northampton City/Town Important: When filling out forms on the computer, use only the tab key to move your cursor - do not use the return key. Note: Before completing this form consult your local Conservation Commission regarding any municipal bylaw or ordinance. A. General Information 1. Project Location (Note: electronic filers will click on button to locate project site): Audubon Road a. Street Address Leeds (Northampton) b. City/Town 01053 c. Zip Code Latitude and Longitude: 42.356544 d. Latitude -72.708793 e. Longitude Maps 5, 10 and 10B f. Assessors Map/Plat Number NA - All work in Roadway ROW/easements g. Parcel /Lot Number 2. Applicant: David a. First Name Veleta b. Last Name City of Northampton Department of Public Works c. Organization 125 Locust Street d. Street Address Northampton e. City/Town MA f. State 01060 g. Zip Code (413) 587-1570 h. Phone Number 413-587-1576 i. Fax Number dveleta@northamptonma.gov j. Email Address 3. Property owner (required if different from applicant): Check if more than one owner a. First Name b. Last Name c. Organization d. Street Address e. City/Town f. State g. Zip Code h. Phone Number i. Fax Number j. Email address 4. Representative (if any): Zachariah a. First Name Chornyak b. Last Name Tighe & Bond, Inc. c. Company 53 Southampton Road d. Street Address Westfield e. City/Town MA f. State 01085 g. Zip Code 413-572-3279 h. Phone Number 413-562-5317 i. Fax Number ZPChornyak@tighebond.com j. Email address 5. Total WPA Fee Paid (from NOI Wetland Fee Transmittal Form): $0 (municipal/fee-exempt) a. Total Fee Paid -- b. State Fee Paid -- c. City/Town Fee Paid wpaform3.doc • rev. 3/10/2016 Page 2 of 9 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands WPA Form 3 – Notice of Intent Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Provided by MassDEP: MassDEP File Number Document Transaction Number Northampton City/Town A. General Information (continued) 6. General Project Description: Utility (water, storm drain) replacment and improvement, culvert replacement, stone weir removal, and roadway reclamation and repaving. Refer to the NOI narrative for additional details. 7a. Project Type Checklist: (Limited Project Types see Section A. 7b.) 1. Single Family Home 2. Residential Subdivision 3. Commercial/Industrial 4. Dock/Pier 5. Utilities 6. Coastal engineering Structure 7. Agriculture (e.g., cranberries, forestry) 8. Transportation 9. Other 7b. Is any portion of the proposed activity eligible to be treated as a limited project (including Ecological Restoration Limited Project) subject to 310 CMR 10.24 (coastal) or 310 CMR 10.53 (inland)? 1. Yes No If yes, describe which limited project applies to this project. (See 310 CMR 10.24 and 10.53 for a complete list and description of limited project types) 310 CMR 10.53(f) - maintenance/improvement of roadways; 10.53(i) - culvert improvement 2. Limited Project Type If the proposed activity is eligible to be treated as an Ecological Restoration Limited Project (310 CMR10.24(8), 310 CMR 10.53(4)), complete and attach Appendix A: Ecological Restoration Limited Project Checklist and Signed Certification. 8. Property recorded at the Registry of Deeds for: Hampshire a. County b. Certificate # (if registered land) 938 c. Book 383 d. Page Number B. Buffer Zone & Resource Area Impacts (temporary & permanent) 1. Buffer Zone Only – Check if the project is located only in the Buffer Zone of a Bordering Vegetated Wetland, Inland Bank, or Coastal Resource Area. 2. Inland Resource Areas (see 310 CMR 10.54-10.58; if not applicable, go to Section B.3, Coastal Resource Areas). Check all that apply below. Attach narrative and any supporting documentation describing how the project will meet all performance standards for each of the resource areas altered, including standards requiring consideration of alternative project design or location. wpaform3.doc • rev. 3/10/2016 Page 3 of 9 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands WPA Form 3 – Notice of Intent Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Provided by MassDEP: MassDEP File Number Document Transaction Number Northampton City/Town B. Buffer Zone & Resource Area Impacts (temporary & permanent) (cont’d) For all projects affecting other Resource Areas, please attach a narrative explaining how the resource area was delineated. Resource Area Size of Proposed Alteration Proposed Replacement (if any) a. Bank 150 1. linear feet 150 2. linear feet b. Bordering Vegetated Wetland 1. square feet 2. square feet c. Land Under Waterbodies and Waterways 650 1. square feet 650 2. square feet 30 3. cubic yards dredged Resource Area Size of Proposed Alteration Proposed Replacement (if any) d. Bordering Land Subject to Flooding 1. square feet 2. square feet 3. cubic feet of flood storage lost 4. cubic feet replaced e. Isolated Land Subject to Flooding 1. square feet 2. cubic feet of flood storage lost 3. cubic feet replaced f. Riverfront Area Day Brook (inland) 1. Name of Waterway (if available) - specify coastal or inland 2. Width of Riverfront Area (check one): 25 ft. - Designated Densely Developed Areas only 100 ft. - New agricultural projects only 200 ft. - All other projects 3. Total area of Riverfront Area on the site of the proposed project: 49,350 square feet 4. Proposed alteration of the Riverfront Area: 3,185 a. total square feet 1,270 b. square feet within 100 ft. 1,915 c. square feet between 100 ft. and 200 ft. 5. Has an alternatives analysis been done and is it attached to this NOI? Yes No 6. Was the lot where the activity is proposed created prior to August 1, 1996? Yes No 3. Coastal Resource Areas: (See 310 CMR 10.25-10.35) Note: for coastal riverfront areas, please complete Section B.2.f. above. wpaform3.doc • rev. 3/10/2016 Page 4 of 9 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands WPA Form 3 – Notice of Intent Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Provided by MassDEP: MassDEP File Number Document Transaction Number Northampton City/Town B. Buffer Zone & Resource Area Impacts (temporary & permanent) (cont’d) Check all that apply below. Attach narrative and supporting documentation describing how the project will meet all performance standards for each of the resource areas altered, including standards requiring consideration of alternative project design or location. Online Users: Include your document transaction number (provided on your receipt page) with all supplementary information you submit to the Department. Resource Area Size of Proposed Alteration Proposed Replacement (if any) a. Designated Port Areas Indicate size under Land Under the Ocean, below b. Land Under the Ocean 1. square feet 2. cubic yards dredged c. Barrier Beach Indicate size under Coastal Beaches and/or Coastal Dunes below d. Coastal Beaches 1. square feet 2. cubic yards beach nourishment e. Coastal Dunes 1. square feet 2. cubic yards dune nourishment Size of Proposed Alteration Proposed Replacement (if any) f. Coastal Banks 1. linear feet g. Rocky Intertidal Shores 1. square feet h. Salt Marshes 1. square feet 2. sq ft restoration, rehab., creation i. Land Under Salt Ponds 1. square feet 2. cubic yards dredged j. Land Containing Shellfish 1. square feet k. Fish Runs Indicate size under Coastal Banks, inland Bank, Land Under the Ocean, and/or inland Land Under Waterbodies and Waterways, above 1. cubic yards dredged l. Land Subject to Coastal Storm Flowage 1. square feet 4. Restoration/Enhancement If the project is for the purpose of restoring or enhancing a wetland resource area in addition to the square footage that has been entered in Section B.2.b or B.3.h above, please enter the additional amount here. a. square feet of BVW b. square feet of Salt Marsh 5. Project Involves Stream Crossings a. number of new stream crossings b. number of replacement stream crossings wpaform3.doc • rev. 3/10/2016 Page 5 of 9 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands WPA Form 3 – Notice of Intent Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Provided by MassDEP: MassDEP File Number Document Transaction Number Northampton City/Town C. Other Applicable Standards and Requirements This is a proposal for an Ecological Restoration Limited Project. Skip Section C and complete Appendix A: Ecological Restoration Notice of Intent – Required Actions (310 CMR 10.11). Streamlined Massachusetts Endangered Species Act/Wetlands Protection Act Review 1. Is any portion of the proposed project located in Estimated Habitat of Rare Wildlife as indicated on the most recent Estimated Habitat Map of State-Listed Rare Wetland Wildlife published by the Natural Heritage and Endangered Species Program (NHESP)? To view habitat maps, see the Massachusetts Natural Heritage Atlas or go to http://maps.massgis.state.ma.us/PRI_EST_HAB/viewer.htm. a. Yes No If yes, include proof of mailing or hand delivery of NOI to: Natural Heritage and Endangered Species Program Division of Fisheries and Wildlife 1 Rabbit Hill Road Westborough, MA 01581 October 2008 b. Date of map If yes, the project is also subject to Massachusetts Endangered Species Act (MESA) review (321 CMR 10.18). To qualify for a streamlined, 30-day, MESA/Wetlands Protection Act review, please complete Section C.1.c, and include requested materials with this Notice of Intent (NOI); OR complete Section C.2.f, if applicable. If MESA supplemental information is not included with the NOI, by completing Section 1 of this form, the NHESP will require a separate MESA filing which may take up to 90 days to review (unless noted exceptions in Section 2 apply, see below). c. Submit Supplemental Information for Endangered Species Review∗ 1. Percentage/acreage of property to be altered: (a) within wetland Resource Area percentage/acreage (b) outside Resource Area percentage/acreage 2. Assessor’s Map or right-of-way plan of site 2. Project plans for entire project site, including wetland resource areas and areas outside of wetlands jurisdiction, showing existing and proposed conditions, existing and proposed tree/vegetation clearing line, and clearly demarcated limits of work ∗∗ (a) Project description (including description of impacts outside of wetland resource area & buffer zone) (b) Photographs representative of the site ∗ Some projects not in Estimated Habitat may be located in Priority Habitat, and require NHESP review (see http://www.mass.gov/eea/agencies/dfg/dfw/natural-heritage/regulatory-review/). Priority Habitat includes habitat for state-listed plants and strictly upland species not protected by the Wetlands Protection Act. ∗∗ MESA projects may not be segmented (321 CMR 10.16). The applicant must disclose full development plans even if such plans are not required as part of the Notice of Intent process. wpaform3.doc • rev. 3/10/2016 Page 6 of 9 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands WPA Form 3 – Notice of Intent Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Provided by MassDEP: MassDEP File Number Document Transaction Number Northampton City/Town C. Other Applicable Standards and Requirements (cont’d) (c) MESA filing fee (fee information available at http://www.mass.gov/dfwele/dfw/nhesp/regulatory_review/mesa/mesa_fee_schedule.htm). Make check payable to “Commonwealth of Massachusetts - NHESP” and mail to NHESP at above address Projects altering 10 or more acres of land, also submit: (d) Vegetation cover type map of site (e) Project plans showing Priority & Estimated Habitat boundaries (f) OR Check One of the Following 1. Project is exempt from MESA review. Attach applicant letter indicating which MESA exemption applies. (See 321 CMR 10.14, http://www.mass.gov/dfwele/dfw/nhesp/regulatory_review/mesa/mesa_exemptions.htm; the NOI must still be sent to NHESP if the project is within estimated habitat pursuant to 310 CMR 10.37 and 10.59.) 2. Separate MESA review ongoing. a. NHESP Tracking # b. Date submitted to NHESP 3. Separate MESA review completed. Include copy of NHESP “no Take” determination or valid Conservation & Management Permit with approved plan. 3. For coastal projects only, is any portion of the proposed project located below the mean high water line or in a fish run? a. Not applicable – project is in inland resource area only b. Yes No If yes, include proof of mailing, hand delivery, or electronic delivery of NOI to either: South Shore - Cohasset to Rhode Island border, and the Cape & Islands: Division of Marine Fisheries - Southeast Marine Fisheries Station Attn: Environmental Reviewer 1213 Purchase Street – 3rd Floor New Bedford, MA 02740-6694 Email: DMF.EnvReview-South@state.ma.us North Shore - Hull to New Hampshire border: Division of Marine Fisheries - North Shore Office Attn: Environmental Reviewer 30 Emerson Avenue Gloucester, MA 01930 Email: DMF.EnvReview-North@state.ma.us Also if yes, the project may require a Chapter 91 license. For coastal towns in the Northeast Region, please contact MassDEP’s Boston Office. For coastal towns in the Southeast Region, please contact MassDEP’s Southeast Regional Office. wpaform3.doc • rev. 3/10/2016 Page 7 of 9 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands WPA Form 3 – Notice of Intent Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Provided by MassDEP: MassDEP File Number Document Transaction Number Northampton City/Town C. Other Applicable Standards and Requirements (cont’d) Online Users: Include your document transaction number (provided on your receipt page) with all supplementary information you submit to the Department. 4. Is any portion of the proposed project within an Area of Critical Environmental Concern (ACEC)? a. Yes No If yes, provide name of ACEC (see instructions to WPA Form 3 or MassDEP Website for ACEC locations). Note: electronic filers click on Website. b. ACEC 5. Is any portion of the proposed project within an area designated as an Outstanding Resource Water (ORW) as designated in the Massachusetts Surface Water Quality Standards, 314 CMR 4.00? a. Yes No 6. Is any portion of the site subject to a Wetlands Restriction Order under the Inland Wetlands Restriction Act (M.G.L. c. 131, § 40A) or the Coastal Wetlands Restriction Act (M.G.L. c. 130, § 105)? a. Yes No 7. Is this project subject to provisions of the MassDEP Stormwater Management Standards? a. Yes. Attach a copy of the Stormwater Report as required by the Stormwater Management Standards per 310 CMR 10.05(6)(k)-(q) and check if: 1. Applying for Low Impact Development (LID) site design credits (as described in Stormwater Management Handbook Vol. 2, Chapter 3) 2. A portion of the site constitutes redevelopment 3. Proprietary BMPs are included in the Stormwater Management System. b. No. Check why the project is exempt: 1. Single-family house 2. Emergency road repair 3. Small Residential Subdivision (less than or equal to 4 single-family houses or less than or equal to 4 units in multi-family housing project) with no discharge to Critical Areas. D. Additional Information This is a proposal for an Ecological Restoration Limited Project. Skip Section D and complete Appendix A: Ecological Restoration Notice of Intent – Minimum Required Documents (310 CMR 10.12). Applicants must include the following with this Notice of Intent (NOI). See instructions for details. Online Users: Attach the document transaction number (provided on your receipt page) for any of the following information you submit to the Department. 1. USGS or other map of the area (along with a narrative description, if necessary) containing sufficient information for the Conservation Commission and the Department to locate the site. (Electronic filers may omit this item.) 2. Plans identifying the location of proposed activities (including activities proposed to serve as a Bordering Vegetated Wetland [BVW] replication area or other mitigating measure) relative to the boundaries of each affected resource area. wpaform3.doc • rev. 3/10/2016 Page 8 of 9 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands WPA Form 3 – Notice of Intent Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Provided by MassDEP: MassDEP File Number Document Transaction Number Northampton City/Town D. Additional Information (cont’d) 3. Identify the method for BVW and other resource area boundary delineations (MassDEP BVW Field Data Form(s), Determination of Applicability, Order of Resource Area Delineation, etc.), and attach documentation of the methodology. 4. List the titles and dates for all plans and other materials submitted with this NOI. Audubon Road Utilities and Road Reconstruction Project a. Plan Title Tighe & Bond, Inc. b. Prepared By c. Signed and Stamped by d. Final Revision Date 1" = 20' (or as shown) e. Scale f. Additional Plan or Document Title g. Date 5. If there is more than one property owner, please attach a list of these property owners not listed on this form. 6. Attach proof of mailing for Natural Heritage and Endangered Species Program, if needed. 7. Attach proof of mailing for Massachusetts Division of Marine Fisheries, if needed. 8. Attach NOI Wetland Fee Transmittal Form 9. Attach Stormwater Report, if needed. E. Fees 1. Fee Exempt: No filing fee shall be assessed for projects of any city, town, county, or district of the Commonwealth, federally recognized Indian tribe housing authority, municipal housing authority, or the Massachusetts Bay Transportation Authority. Applicants must submit the following information (in addition to pages 1 and 2 of the NOI Wetland Fee Transmittal Form) to confirm fee payment: 2. Municipal Check Number 3. Check date 4. State Check Number 5. Check date 6. Payor name on check: First Name 7. Payor name on check: Last Name WETLAND FEE TRANSMITTAL FORM Tighe&Bond Audubon Road Utilities and Road Reconstruction Project (Leeds/Northampton, Massachusetts) noifeetf.doc • Wetland Fee Transmittal Form • rev. 10/11 Page 1 of 2 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands NOI Wetland Fee Transmittal Form Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Important: When filling out forms on the computer, use only the tab key to move your cursor - do not use the return key. A. Applicant Information 1. Location of Project: Audubon Road a. Street Address Leeds (Northampton) b. City/Town NA (municipal/fee-exempt) c. Check number $0 (municipal/fee-exempt) d. Fee amount 2. Applicant Mailing Address: David a. First Name Veleta b. Last Name City of Northampton Department of Public Works c. Organization 125 Locust Street d. Mailing Address Northampton e. City/Town MA f. State 01060 g. Zip Code 413-587-1570 h. Phone Number 413-587-1576 i. Fax Number dveleta@northamptonma.gov j. Email Address 3. Property Owner (if different): a. First Name b. Last Name c. Organization d. Mailing Address e. City/Town f. State g. Zip Code h. Phone Number i. Fax Number j. Email Address To calculate filing fees, refer to the category fee list and examples in the instructions for filling out WPA Form 3 (Notice of Intent). B. Fees Fee should be calculated using the following process & worksheet. Please see Instructions before filling out worksheet. Step 1/Type of Activity: Describe each type of activity that will occur in wetland resource area and buffer zone. Step 2/Number of Activities: Identify the number of each type of activity. Step 3/Individual Activity Fee: Identify each activity fee from the six project categories listed in the instructions. Step 4/Subtotal Activity Fee: Multiply the number of activities (identified in Step 2) times the fee per category (identified in Step 3) to reach a subtotal fee amount. Note: If any of these activities are in a Riverfront Area in addition to another Resource Area or the Buffer Zone, the fee per activity should be multiplied by 1.5 and then added to the subtotal amount. Step 5/Total Project Fee: Determine the total project fee by adding the subtotal amounts from Step 4. Step 6/Fee Payments: To calculate the state share of the fee, divide the total fee in half and subtract $12.50. To calculate the city/town share of the fee, divide the total fee in half and add $12.50. noifeetf.doc • Wetland Fee Transmittal Form • rev. 10/11 Page 2 of 2 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands NOI Wetland Fee Transmittal Form Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 B. Fees (continued) Step 1/Type of Activity Step 2/Number of Activities Step 3/Individual Activity Fee Step 4/Subtotal Activity Fee NA (municipal/fee-exempt) Step 5/Total Project Fee: Step 6/Fee Payments: Total Project Fee: a. Total Fee from Step 5 State share of filing Fee: b. 1/2 Total Fee less $12.50 City/Town share of filling Fee: c. 1/2 Total Fee plus $12.50 C. Submittal Requirements a.) Complete pages 1 and 2 and send with a check or money order for the state share of the fee, payable to the Commonwealth of Massachusetts. Department of Environmental Protection Box 4062 Boston, MA 02211 b.) To the Conservation Commission: Send the Notice of Intent or Abbreviated Notice of Intent; a copy of this form; and the city/town fee payment. To MassDEP Regional Office (see Instructions): Send a copy of the Notice of Intent or Abbreviated Notice of Intent; a copy of this form; and a copy of the state fee payment. (E-filers of Notices of Intent may submit these electronically.) NARRATIVE Tighe&Bond Audubon Road Utilities and Road Reconstruction Project (Leeds/Northampton, Massachusetts) Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 1-1 Section 1 Introduction The City of Northampton Department of Public Works (DPW) is undertaking the proposed utilities and road reconstruction project as part of its continued investment in the City’s infrastructure. The DPW is continuing its efforts to maintain the integrity of existing roadway and associated facilities. The proposed project entails the replacement of the drainage and water utilities along a portion of Audubon Road and a section of cross-country water main leading to an existing elevated water tank. The project also includes the replacement of a deteriorated concrete box culvert and partial breach of a stone weir that serves as a barrier to stream flow and passage on Day Brook, along with reclamation and paving of the roadway. Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 2-1 Section 2 Existing Conditions This section provides a description of the general project area, as well as information pertaining to wetland resource areas and rare species. 2.1 Project Area The project is located along approximately 2,500 linear feet (lf) of Audubon Road between its intersection with Reservoir Road and River Street and approximately #200 Audubon Road in the Village of Leeds, City of Northampton, Massachusetts. The project area also includes an easement between #112 and #122 Audubon Road, leading to an elevated water tower on the south side of Audubon Road at #134 Audubon Road. It also includes a small portion of Day Brook. Figures and plans showing the site location and context are included in Appendix A. Photographs of the proposed project area are provided in Appendix B. 2.2 Wetland Resource Areas 2.2.1 Methodology of Wetland Resource Area Delineation DPW staff delineated jurisdictional wetland resource areas associated with Day Brook on the north side of Audubon Road. Based on the City’s delineation and a review of available mapping, portions of the proposed project are located within or near inland Bank, Land Under Water (LUW), Bordering Vegetated Wetlands (BVW), and Riverfront Area associated with Day Brook. Portions of the project are also located within the 100-foot Buffer Zone of inland Bank. Tighe & Bond also reviewed FEMA Flood Insurance Rate Map (FIRM) Community Panel No. 250167 0001 A (effective April 3, 1978) during the preparation of this NOI. According to the FIRM, the proposed limits of work are outside mapped limits of 100-year flooding. 2.2.1.1 Inland Bank The Mean Annual High Water (MAHW) line and top of inland Bank of Day Brook, which are presumed to be coincident at this location, were delineated by DPW staff on the north side of Audubon Road with flags B-1 through B-5, B-10 through B-13, and B-20 through B-26. The MAHW/Bank of Day Brook on the south side of Audubon Road consists of a stone- lined channel between the Audubon Road culvert and the next downgradient culvert at a private driveway crossing. 2.2.1.2 Bordering Vegetated Wetlands Bordering Vegetated Wetlands (BVW) were observed in general proximity to Day Brook and Clark Brook. BVW associated with Day Brook appears limited to a terrestrial area between the divided stream channels that flow at the outer edges of the filled farm pond area. Section 2 Existing Conditions Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 2-2 2.2.1.3 Land Under Water Bodies and Waterways The area below the Bank/Mean Annual High Water (MAHW) line of Day Brook is considered Land Under Waterbodies and Waterways (LUW). LUW observed in Day Brook generally consists of sands and gravel. 2.2.1.4 Riverfront Area Day Brook is shown as a perennial stream on the most current USGS topographic map of the project area (Easthampton, Mass., 1979). Within the project area, Riverfront Area generally consists of the paved footprint of Audubon Road and gravel roadway shoulders. The Riverfront Area of Day Brook also consists of forested land to the west on the northerly side of Audubon Road, and maintained residential properties to the south and east. The Riverfront Area of Clark Brook includes a wetland meadow to the east and west along the northerly side of Audubon Road, and upland and wetland forested areas to the east and west along the southerly side of Audubon Road. 2.3 Rare Species The Massachusetts Natural Heritage and Endangered Species Program (NHESP) Atlas (October 1, 2008) and MassGIS online (October 2008), were consulted during the planning and design phases of this project. According to these sources, the project area is not situated within the limits of mapped Priority Habitats of Rare Species and Estimated Habitats of Rare Wildlife. Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 3-1 Section 3 Project Description 3.1 Proposed Activities The proposed project consists of the following activities: • Water main (exempt) and storm drain system replacement • Day Brook culvert replacement • Day Brook stone weir breach • Roadway reclamation and repaving (exempt) These activities are described in the following sections and shown on the project plans provided in Appendix A. Note that some of the proposed activities are exempt from the WPA and/or have been previously authorized by the Northampton Conservation Commission under a Generic Order of Conditions (see Section 4.1). 3.1.1 Water and Storm Drain Utilities The proposed project consists primarily of the replacement of the existing water line and drainage system within the paved footprint of Audubon Road and a portion of a cross- country right-of-way from Audubon Road west towards an existing raised water tank. Approximately 2,300 lf of 12-inch diameter replacement water main will be installed within the footprint of Audubon Road and along the existing 10-foot wide easement from the roadway to the elevated water tower. Construction will involve the abandoning in place of the existing asbestos pipe and reconfiguration of new drainage structures within the roadway. In general, trenches will be excavated and backfilled to match adjacent grades. Upon completion of work, the full width of each paved roadway will be reclaimed and the street repaved. The restoration of public roadways will not result in an increase in street width or impervious area. 3.1.1.1 New Storm Drain Outlets The proposed project includes the extension of a storm drain line along the northerly side of Audubon Road to a new concrete headwall and the relocation of an existing storm drain outfall to the stone-lined channel that conveys Day Brook through the property at #30 Audubon Road. Though technically “new” point source discharges under the Massachusetts Stormwater Standards, there is no net increase in point source discharges within the project area. 3.1.2 Culvert Replacement and Improvement Day Brook is conveyed from north to south at Audubon Road via a deteriorated concrete arch culvert. Construction of the replacement culvert will require the installation of temporary water diversions, partial breach of the deteriorated structure, installation of the water main, and replacement of the culvert with a three-sided structure comparable in size to the existing culvert. A comparison of existing and proposed culvert dimensions is provided below in Table 3-1. Section 3 Project Description Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 3-2 TABLE 3-1 Summary of Existing and Proposed Day Brook Culvert Conditions¹ Standard Existing Proposed Structure Type Open-bottom span Open-bottom span Embedment NA (open-bottom) NA (open-bottom) Crossing span (1.2x bankfull width) 7.2 feet 7.2 feet Substrate Natural streambed Natural streambed Openness Ratio (0.82 ft) .62 .76 Banks Concrete-filled sandbags Concrete ¹ Based on Massachusetts River and Stream Crossings Standards (revised March 1, 2011) for culvert replacement projects. As noted in Table 3-1, the proposed culvert will span the stream channel and maintain a natural bottom, and improve the openness ratio of the crossing in keeping with the goals of Massachusetts River and Stream Crossing Standards (2011). As shown above, the proposed culvert replacement will result in an improved openness ratio over existing conditions. 3.1.3 Day Brook Stone Weir Breach An approximately 4-foot high and 40-foot long stone weir (non-jurisdictional unregistered dam) that serves as an in-stream barrier on Day Brook will be removed. The stream barrier, which originally created a small impoundment on Day Brook that has filled in with sediment over time, is expected to collapse due to its proximity to the culvert removal and replacement activities. As such, the City is proactively including the controlled demolition and proper disposal of approximately 30 linear feet of this structure in line iwht the culvert. The remaining sections of stone weir support and protect the embankment of Audubon Road. Following the partial breach of the stone weir and replacement of Day Brook culvert, rip rap armoring will be placed on the Audubon Road roadway embankment on either side of the upstream end of the Day Brook culvert. The armoring is intended to minimize the potential for roadway runoff and flows from Day Brook to undermine the restored roadway surface. 3.1.3.1 Sediment Management Based on observations of site conditions and survey, approximately 30 cubic yards of sediment has accumulated behind the stone weir. Sediment directly behind the stone weir will be excavated, dewatered and properly disposed at an upland location. 3.1.4 Roadway Reclamation and Repaving The length of Audubon Road within which the water main will be replaced (approximately 2,500 linear feet), as well as the approximately 600 linear feet of Audubon Road east of the intersection with Kennedy Road, will be reclaimed and repaved within limits of the existing paved footprint. Section 3 Project Description Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 3-3 Please note that the roadway reclamation and repaving activities are exempt from the WPA and/or previously authorized by the Northampton Conservation Commission under a Generic Order of Conditions (see Section 4.1). 3.2 Anticipated Sequence of Construction No work will be conducted in open or flowing water. The actual sequence of construction will be left to the discretion of the selected contractor. Based on similar projects, the proposed construction sequence includes the following: 1. Site preparation includes, but is not limited to, the following activities: • Post MassDEP File # sign • Establish traffic detours • Install erosion and sedimentation controls, including dewatering basin • Clear and grub vegetation, as needed 2. Install temporary coffer dam and streamflow bypass 3. Replace water main 4. Replace storm drain system 5. Replace Day Brook culvert 6. Remove Day Brook stone weir 7. Armor Audubon Road embankments 8. Remove coffer dam; restore normal stream flows 9. Reclaim and repave Audubon Road 10. Remove erosion control barriers Prior to the commencement of construction activities, minor vegetation clearing will occur to allow access to the work locations along the northerly side of Audubon Road at Day Brook. Trees, saplings, shrubs, stumps, roots and brush, as well as guard rails, loose gravel, and any other objectionable material will be removed from the work areas. The materials will be properly disposed at an appropriate upland facility. No clearing and grubbing is anticipated to occur below the top of Bank boundary. 3.3 Construction Period Protective Measures The following Best Management Practices (BMPs) will be implemented during construction to minimize the potential for erosion and sedimentation of the storm drain system that discharges to downgradient wetland resource areas. Erosion control locations are provided on the project plans. Typical details are shown on Sheets 11 and 12 of the project plans. Protective measures, also referred to as Best Management Practices (BMPs), will be implemented prior to and utilized during construction activities. These measures are shown on the project plans provided in Appendix A and described below. Section 3 Project Description Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 3-4 3.3.1 Erosion Control Barriers Wetland resource areas in close proximity to the proposed project area will be protected with a row of erosion control barriers. The erosion control barriers will consist of straw bales and siltation fence or other similarly effective devices. The proposed locations of these barriers are shown on the project drawings. In addition: • The Contractor will be required to maintain a reserve supply of erosion control barriers on-site to make repairs, as necessary. • Protective measures will be inspected after significant precipitation events. Maintenance and repairs will be conducted, as necessary. At the conclusion of the project, the erosion control barriers will be removed and properly disposed off-site following the stabilization of disturbed areas and Conservation Commission authorization. 3.3.2 Coffer Dams A coffer dam will be installed upstream of the proposed limits of work to create an isolated (i.e., dry) work area. The isolated work area will be dewatered by means of pumping trapped water to a sedimentation facility (e.g. stilling basin) outside the limits of the work area. The contractor will be required to adequately treat all water prior to its discharge from the isolated work area. The location of the coffer dam is shown on the plans in Appendix A. 3.3.2.1 Stream Flow Bypass Due to the nature of the proposed project and the space constrictions of the site, it will be necessary to completely block normal stream flows during construction. Work in open and/or flowing waters will be conducted in accordance with the Massachusetts General Permit. In short, the bypass will likely be accomplished from immediately above the coffer dam to immediately downstream of the isolated work area. 3.3.2.2 Dewatering Measures When necessary, standard dewatering measures will be employed during construction of the culvert repairs. Excess water within the dammed area will be pumped with trash pumps and discharged to an appropriate settling basin. A temporary sediment trap is depicted on the project plans in Appendix A. This trap will consist of hay bales lined with filter fabric. Upon completion of construction, the area disturbed for the temporary sediment trap will be restored to pre-existing or improved conditions. 3.3.3 Other Protective Measures The following general measures will be employed to minimize impacts to the resource areas: • Access into the stream channel will only be by foot. No vehicles will enter the stream channel. • Protective measures will be inspected weekly during construction and after significant precipitation events and repaired, as necessary. • The work will be scheduled when no precipitation events are anticipated and the stream flow is as low as practicable. If an unanticipated rain event is predicted Section 3 Project Description Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 3-5 which may overwhelm the temporary bypass system, all equipment and supplies, with the exception of the stream bypass system, will be removed from the stream prior to the rain event. • Straw bales, and silt fence shall be removed and properly disposed following site stabilization. • Catch basin inlets downgradient of the project area will be protected by silt sacks or other similar silt retention devices. Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 4-1 Section 4 Regulatory Compliance The proposed project has been designed to avoid environmental impacts where possible, minimize unavoidable impacts when practicable, and provide mitigation that is commensurate with the proposed alterations. Descriptions of the project’s compliance with the regulatory requirements of the WPA, Northampton Wetlands Protection Ordinance, and other pertinent state and federal regulatory programs are provided in the following sections. 4.1 Routine Maintenance Order of Conditions On October 15, 2015, the Northampton Conservation Commission issued an Order of Conditions for routine maintenance and repair activities to the DPW under both the WPA and Northampton Wetlands Protection Ordinance. This Order (MassDEP File Number 246- 686) includes provisions that authorize the following activities. • Water main replacement • Roadway reclamation and repaving • Storm drain system replacement Though these activities are shown on the project plans provided in Appendix A and described in this application, they are not subject to further review and approval. 4.2 Wetlands Protection Act 4.2.1 Limited Project Status 4.2.1.1 Culvert Replacement The proposed culvert replacement at Day Brook qualifies for consideration as a Limited Project per 310 CMR 10.53(3)(i): “The maintenance, repair and improvement (but not substantial enlargement) of structures, including dams and reservoirs and appurtenant works to such dams and reservoirs…buildings, piers, towers, headwalls, bridges, and culverts which existed on the effective date of 310 CMR 10.51 through 10.60 (April 1, 1983). As part of the preparation of this NOI, Tighe & Bond reviewed local records, and historical USGS maps, as well as aerial photographs dating back to late 1800s/early 1900s to corroborate the existence of the Day Brook culvert at the project location. As required under the Limited Project status, an alternative analysis was conducted for the project site. No Action - The Day Brook culvert is deteriorated and will likely fail during construction activities associated with the water main replacement. If no action is taken and the culvert Section 4 Regulatory Compliance Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 4-2 fails, the road will be closed to vehicle traffic until a repair can be made. Therefore, this action was not considered practicable. Culvert Replacement - The proposed culvert replacement meets the Massachusetts River and Stream Crossing Standards for Replacement Culverts (2011) and will provide structurally sound infrastructure at this location. The existing culvert capacity will be maintained. Further, this alternative’s costs are consistent with the DPW’s available budget. Bridged Crossing - Another alternative to the proposed culvert repair is the complete removal of the existing culvert and construction of a bridge at its location. Though technically an alternative when considering repairs to existing culverts, this is the costliest option and a bridge crossing is not necessary to meet other applicable regulatory requirements. From a design, cost and environmental benefits standpoint, this alternative was not considered feasible. 4.2.2 Summary of Jurisdictional Activities Portions of the proposed project will occur within manmade inland Bank, Land Under Water Bodies and Waterways, and the 200-foot Riverfront Area of Day Brook. Work will also occur within the 100-foot Buffer Zone to inland Bank. A summary of jurisdictional alterations excluding the previously authorized activities noted in Section 4.1 is presented below in Table 4-1. TABLE 4-1 Summary of WPA Jurisdictional Alterations¹ Activity Bank LUWW RFA Coffer Dam / Dewatered Work Area 10 350 0 Culvert Replacement 60² 300³ 0 Riprap Embankment Armoring 70 0 350 Storm Drain Extension/New Headwall (north) 0 0 1,885 Storm Drain Extension/New Headwall (south) 10 0 950 Total: 150 650 3,185 ¹ Areas provided in square feet (sf) unless otherwise noted ² Impacts reported in linear feet (lf) and limited to manmade infrastructure ³ Area consists of “LUWW” within the culvert that conveys a perennial stream. A summary of how the project meets the pertinent General Performance Standards is presented below. 4.2.3 General Performance Standards The following sections present discussions of the proposed activities relative to the pertinent General Performance Standards. 4.2.3.1 Inland Bank As noted in Table 4-1, approximately 150 linear feet (lf) of inland Bank will be altered during the course of the proposed project. Of this, 60 lf, or 40 percent, is associated with the culvert replacement. The remaining 90 lf is associated with the stone weir breach and Section 4 Regulatory Compliance Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 4-3 relocated storm drain discharge. The Performance Standards for inland Bank are set forth at 310 CMR 10.54(4)(a) and are addressed below. (a) Where the presumption set forth in 310 CMR 10.54(3) is not overcome, any proposed work on a Bank shall not impair the following: 1. The physical stability of the Bank The physical stability of the bank in the Day Brook Culvert will be improved by the project. The 70 linear feet of stone-lined channel altered to relocate a stormwater discharge will improve the physical integrity of the bank. 2. The water carrying capacity of the existing channel within the bank; The water carrying capacity of the existing culvert and Day Brook will not be changed by the project. 3. Ground and surface water quality; Construction period protective measures (including stream flow bypass and erosion/sedimentation controls) have been incorporated into project design to limit impacts to ground and surface water quality. These are described in Section 3.3 and depicted on the site plans. 4. The capacity of the Bank to provide breeding habitat, escape cover and food for fisheries; and The Bank at this location consists of a stone weir, concrete culvert walls, and stone- lined channel, none of which provide breeding habitat, escape cover or food for fisheries. 5. The capacity of the Bank to provide important wildlife habitat functions. A project or projects on a single lot, for which Notice(s) of intent is files on or after November 1, 1987, that (cumulatively) alter(s) up to 10% or 50 feet (whichever is less) of land in the bank found to be significant to the protection of wildlife habitat, shall not be deemed to impair its capacity to provide important wildlife habitat functions. Additional alterations beyond the above threshold may be permitted if they will have no adverse effects on wildlife habitat, as determined by procedures established under 310 CMR 10.60. As noted above, 150 lf of manmade Bank alteration is proposed. Though the project impacts exceed the 50 foot threshold for performing a Wildlife Habitat Evaluation, the DPW respectfully requests the Commission waive this requirement due to the total absence of wildlife habitat function and value associated with these particular manmade infrastructures. 4.2.3.2 Land Under Water Bodies and Waterways As noted is Table 4-1, approximately 650 sf of work resulting from the installation of a temporary coffer dam and work area dewatering activities will occur in Land Under Water Bodies and Waterways (LUWW), culvert replacement area, and downstream stabilization. The Performance Standards for LUWW, which are set forth at 310 CMR 10.56(4), are described below. (a) Where the presumption set forth in 310 CMR 10.56(3) is not overcome, any proposed work within Land Under Water Bodies and Waterways shall not impair the following: Section 4 Regulatory Compliance Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 4-4 1. The water carrying capacity within the defined channel, which is provided by said land in conjunction with the banks; The placement of a coffer dam in the unnamed perennial stream is temporary to facilitate construction activities “in the dry.” The area of fill in LUWW at the downstream end of the pipe is in a location where a void has been created beneath the deteriorated culvert end. As such, the water carrying capacity within the defined channel will not be altered and this standard has been satisfied. 2. Ground and surface water quality; The contractor will be required to install a coffer dam that does not consist of unconsolidated soil or other material. Typically, coffer dams consist of large sandbags or plastic-lined concrete barriers. The actual materials will be left to the discretion of the contractor. However, the coffer dam materials and work conducted within the isolated work areas will not affect ground or surface water quality and this standard has been met. 3. The capacity of said land to provide breeding habitat, escape cover and food for fisheries; and As described in Section 3, the scope of work includes the partial breach of a stone weir that serves as a barrier to aquatic movement. This improvement will increase opportunities for breeding habitat, escape cover and/or food for fisheries which, under present conditions, are minimal at best. The proposed activities will not result in the loss of function of the area to provide breeding habitat, escape cover and/or food for fisheries, and this standard has been satisfied. 4. The capacity of said land to provide important wildlife habitat functions. A project or projects on a single lot, for which Notice(s) of intent is files on or after November 1, 1987, that (cumulatively) alter(s) up to 10% or 5,000 square feet (whichever is less) of land in this resource area found to be significant to the protection of wildlife habitat, shall not be deemed to impair its capacity to provide important wildlife habitat functions. Additional alterations beyond the above threshold may be permitted in they will have no adverse effects on wildlife habitat, as determined by procedures established under 310 CMR 10.60. The proposed impacts to LUWW are limited to 650 square feet as shown on the project plans in Appendix A. Since the footprint is less than 5,000 square feet, this standard does not apply. (b) Notwithstanding the provisions of 310 CMR 10.56(4)(a), the issuing authority may issue an Order in accordance with M.G.L. c. 131, § 40 to maintain or improve boat channels within Land Under Water Bodies and Waterways when said work is designed and carried out using the best practical measures so as to minimize adverse effects such as the suspension or transport of pollutants, increases in turbidity, the smothering of bottom organisms, the accumulation of pollutants by organisms or the destruction of fisheries habitat or nutrient source area. The proposed project is not related to the maintenance or improvement of boat channels, therefore this standard does not apply. (c) Notwithstanding the provisions of 310 CMR 10.56(4)(a) and (b), no project may be permitted which will have any adverse effect on specified habitat sites of rare Section 4 Regulatory Compliance Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 4-5 vertebrate or invertebrate species, as identified by procedures established under 310 CMR 10.59. As noted in Section 2.3, the proposed project is not located within mapped Priority and Estimated Habitats of rare species. Therefore, this standard does not apply. 4.2.3.3 Riverfront Area As described in Section 2.2.1.4 and shown on the project plans provided in Appendix A, the Riverfront Area within the project location consists of residential properties, paved public roadways, and naturally vegetated areas. Approximately 3,185 sf of work associated with the relocated storm drain outfalls and roadway embankment armoring will occur within Riverfront Area. (a) Protection of Other Resource Areas. As described in the previous sections, the pertinent performance standards relative to inland Bank and LUWW have been met, therefore this standard has been satisfied. (b) Protection of Rare Species. As noted in Section 2.3, the proposed project is not located within mapped Priority and Estimated Habitats of rare species, therefore this standard has been satisfied. (c) Practicable and Substantially Equivalent Economic Alternatives. There must be no practicable and substantially equivalent economic alternative to the proposed project with less adverse effects on the interests identified in M.G.L. c. 131 § 40. The alternatives available to a project of this scale are limited. Tighe & Bond evaluated alternatives during the planning and design phase of the proposed project. A summary of alternatives is presented below. Maintain Existing Discharge Points – The project calls for improving existing infrastructure. As part of the drainage improvements, the drainage structures and piping will be replaced within the project limits. The slope between the existing north outfall and Day Brook is not sufficiently steep, causing water to pond before reaching the brook, and a buildup of brush at the outfall. The storm drain piping leading to the outfall downstream of the culvert runs directly through the yard of private residence. Replacing the storm drain piping while maintaining the existing discharge points would likely cause extensive damage to the homeowner’s landscaping. As such, this alternative is not preferred. Construct New Stormwater Basins/Eliminate Point-Source Discharges - Given the extent of private residential development on the southerly side of Audubon Road and the extensive forested area to the north near the storm drain outfall, the disturbance of land and/or land acquisitions necessary to pursue this alternative is not commensurate with the work proposed. As such, this alternative is not preferred. Relocate Existing Outfalls - The storm drain piping upstream of the culvert will be extended so that the outfall will discharge to a rip rap splash pad directly adjacent to the brook, as opposed to sheet flowing into it. The storm drain piping downstream of the culvert will be straightened, eliminating a bend in the pipe, and relocating the outfall approximately 35 feet downstream. This alternative is recommended, as it will allow replacement of the drainage utilities without requiring extensive disturbance of private residences. Section 4 Regulatory Compliance Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 4-6 (d) No Significant Adverse Impact. The work, including proposed mitigation measures, must have no significant adverse impact on the riverfront area to protect the interests identified in M.G.L. c. 131, § 40. 1. Within 200 foot riverfront areas, the issuing authority may allow the alteration of up to 5000 square feet or 10% of the riverfront area within the lot, whichever is greater, on a lot recorded on or before October 6, 1997 or lots recorded after October 6, 1997 subject to the restrictions of 310 CMR 10.58(4)(c)2.b.vi., or up to 10% of the riverfront area within a lot recorded after October 6, 1997, provided that: a. At a minimum, a 100 foot wide area of undisturbed vegetation is provided. This area shall extend from mean annual high-water along the river unless another location would better protect the interests identified in M.G.L. c. 131 § 40. If there is not a 100 foot wide area of undisturbed vegetation within the riverfront area, existing vegetative cover shall be preserved or extended to the maximum extent feasible to approximate a 100 foot wide corridor of natural vegetation. Replication and compensatory storage required to meet other resource area performance standards are allowed within this area; structural stormwater management measures may be allowed only when there is no practicable alternative. Temporary impacts where necessary for installation of linear site-related utilities are allowed, provided the area is restored to its natural conditions. Proposed work which does not meet the requirement of 310 CMR 10.58(4)(d)1.a. may be allowed only if an applicant demonstrates by a preponderance of evidence from a competent source that an area of undisturbed vegetation with an overall average width of 100 feet will provide equivalent protection of the riverfront area, or that a partial rebuttal of the presumptions of significance is sufficient to justify a lesser area of undisturbed vegetation; b. Stormwater is managed according to standards established by the Department in its Stormwater Policy. c. Proposed work does not impair the capacity of the riverfront area to provide important wildlife habitat functions. Work shall not result in an impairment of the capacity to provide vernal pool habitat identified by evidence from a competent source, but not yet certified. For work within an undeveloped riverfront area which exceeds 5,000 square feet, the issuing authority may require a wildlife habitat evaluation study under 310 CMR 10.60. d. Proposed work shall not impair groundwater or surface water quality by incorporating erosion and sedimentation controls and other measures to attenuate nonpoint source pollution. Within 25 foot riverfront areas, any proposed work shall cause no significant adverse impact by: The work is not occurring within a defined real estate “lot” as the regulations are written. Work is limited to discrete footprints within the City-controlled roadway ROW. Section 4 Regulatory Compliance Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 4-7 Though much of the project qualifies as “redevelopment” the modification of stormwater outfalls is subject to the Stormwater Management Standards (see Section 4.2.6). The limited footprint of work is far less than 5,000 sf and, therefore, does not trigger a Wildlife Habitat Evaluation. Finally, as detailed in Section 3.3 and shown on the project drawings in Appendix A, appropriate construction period BMPs have been incorporated into the design to attenuate nonpoint source pollution during work. The standards set forth at 310 CMR 10.58(4)(d) 3 and 4 do not apply to the proposed project since the scope of work does not include the construction of a single family house or a commercial structure. 4.2.4 Abutter Notification Abutters have been notified in accordance with 310 CMR 10.05(4). Copies of the abutter notification form and list of abutters are provided in Appendix C. 4.2.5 Stormwater Management Standards The proposed project will not generate additional stormwater runoff, increase impervious area or otherwise alter hydrology. However, the activities will relocate two stormwater outfalls and is therefore not exempt. Copies of the Checklist for Stormwater Report and a Stormwater Report are provided in Appendix D. 4.3 Northampton Wetlands Protection Ordinance In addition to areas subject to jurisdiction under the Massachusetts Wetlands Protection Act and regulations, the proposed project is also subject to the provisions of Northampton’s Wetlands Protection Ordinance (Chapter 337). 4.3.1 DPW Generic Order of Conditions As noted in Section 4.1, the Northampton Conservation Commission issued an Order of Conditions for routine maintenance and repair activities to the DPW under both the WPA and Northampton Wetlands Protection Ordinance on October 15, 2015. This Order (MassDEP File Number 246-686) includes provisions that authorize the following activities. • Water main replacement • Roadway reclamation and repaving • Storm drain system replacement Though these activities are shown on the project plans provided in Appendix A and described in this application, they are not subject to further review and approval. 4.3.2 No Encroachment Zone According to the City of Northampton Zoning Map Numbers 5, 10 and 10B, the project is zoned as Urban Residential A (URA), Rural Residential (RR), Special Conservancy (SC), and Water Supply Protection (WSP; in the vicinity of Clark Brook only). As such, per Section 337-10 there is a 50-foot Protected Zone associated with the wetland resource areas within the proposed project area. This area is shown on the project plans. By necessity, work is proposed in the No Encroachment Zone to address existing infrastructure within lands subject to the City’s ownership and/or control. Section 4 Regulatory Compliance Tighe&Bond Notice of Intent - Audubon Road Utilities and Road Reconstruction Project (Northampton) 4-8 4.3.3 Abutter Notification Abutters were notified in accordance with the Massachusetts Wetlands Protection Act (see Section 4.1.3) and Section 337-6(A) of the City’s Wetlands Protection Ordinance. A copy of the list of abutters, the City’s abutter notification form, and the City’s Affidavit of Service are provided in Appendix C. The USPS Certificates of Mailing log book pages will be submitted to the Northampton Conservation Commission. 4.4 Other Pertinent Local, State and Federal Approvals 4.4.1 Northampton Department of Public Works The proposed project is also subject to Stormwater Permit review by the Northampton Department of Public Works (DPW). An application will be submitted to the City for review. 4.4.2 Section 401 of the Clean Water Act Culvert replacements and fill placed below the Mean Annual High Water (MAHW) line of Waters of the United States within the Commonwealth are subject to Massachusetts Department of Environmental Protection (MassDEP) jurisdiction under Section 401 of the Clean Water Act. As summarized in Table 4-1, the proposed project will result in less than 5,000 square feet of impacts (temporary and permanent) to Land Under Water and will dredge and/or mobilize less than 100 cubic yards of sediment. As such, the project is not categorically required to obtain an individual 401 Water Quality Certificate. 4.4.3 NPDES Construction General Permit Construction activities will result in the cumulative disturbance of one (1) or more acres of land. An electronic Notice of Intent (eNOI) will be submitted to EPA for coverage under the NPDES Construction General Permit (CGP) and a Stormwater Pollution Prevention Plan (SWPPP) will be prepared and kept at the site during construction. 4.4.4 Section 404 of the Clean Water Act Culvert replacements and fill placed below the Ordinary High Water (OHW) line of Waters of the United States within the Commonwealth are subject to Corps jurisdiction under Section 404 of the Clean Water Act. The project is subject to review under the “Pre- Construction Notification” category of the Massachusetts General Permit (MA GP) as the project may result in work outside the regulatory Time-of-Year (TOY) restriction for inland waters. J:\N\N0936 Northampton DPW\10 - Audubon Road Drain and Water Project\Permitting\NOI\DOC\4 - Narrative.docx APPENDIX A Based on USGS Topographic Map forEasthampton, MA Revised 1979. [Site Quad]Contour Interval Equals 10-Feet. [Site Quad]Williamsburg, MA Revised 1990.Contour Interval Equals 3-Meters. PROJECT LIMITS ¹0 1,000 2,000 Feet 1:24,000 V:\Projects\N\N0936\AudubonRdNorthamptonMA_topo.mxd FIGURE 1SITE LOCATION MAPUtilities & Road Reconstruction ProjectAudubon RoadNorthampton, Massachusetts April 2016 N-0936 ^_ Notes:1. Exempt per MAWPA; Maintenancepermitted under MassDEP File #246-686 (GOOC)) PROJECT LIMITS Legend Limits of RoadwayReclamation/Repaving (Approx.600 lf, See Note 1) Project Limits UV9 MAIN STREET BRIDG E R OA D F O R T H I L L R O A D F R ON T S T R E E T R E S E R V O I R R O A D K E N N E D Y R O A D FLORENCE STREET MULBERRY STREET P I N E S T R E E T BACK HILL ROAD W A T E R S T R E E T NORTH MAIN STREET C H E S T E R F I E L D R O A D F A I R W A Y V I L L A G E SP RIN G STR EET UPL AN D R OA D R I V E R R O A D H A Y D E N V I L L E R O A D B O A T R O A D WALPOLE ROAD R A N G E R O A D MYRTLE AVENUE EVERGREEN ROAD D I M O C K S T R E E T M A I N S T R E E T L E E D S O U T E R O V A L SANITORIUM ROAD S Y L V E S T E R R O A D OLD TROLLEY ROAD S H E P E R D S H O LL O W R O A D SOUTH STREET A U D U B O N R O A D 1214001-02G 1214001-01G 1214000-02S ¹0 1,000 2,000 Feet 1:24,000 V:\Projects\N\N0936\AudubonRdNorthamptonMA_Resource.mxd Data source: Office of Geographic Information(MassGIS), Commonwealth of Massachusetts, MassIT)Executive Office of Environmental Affairs.Data valid as of April 2016. Notes:1. Exempt per MAWPA; Maintenance permitted under MassDEPFile #246-686 (GOOC)) FIGURE 2PRIORITY RESOURCE MAPUtilities & Road Reconstruction ProjectAudubon RoadNorthampton, Massachusetts N-0936 April 2016 ^_ Le ge n d Limits of Roadway Reclamation/Repaving (Approx.600 lf, See Note 1)Project LimitsXNHESP Certified Vernal PoolsXNHESP Potential Vernal Pools !Þ Community Public Water Supply - Surface Water !Þ Community Public Water Supply - Groundwater "Non-Community Non-Transient Public Water Supply "T Non-Community Transient Public Water Supply Limited Access HighwayMulti-Lane Highway, NOT Limited AccessOther Numbered HighwayMajor Road - CollectorMinor Street or RoadAquaducts !Powerline PipelineTrack or Trail TrainsPublic Surface Water Supply Protection Area (ZoneA)DEP Approved Wellhead Protection Area (ZoneDEP Approved Wellhead Protection Area (ZoneDEP Interim Wellhead Protection Area (IWPA)Protected and Recreational Open SpaceSolid Waste Landfill#Non-Landfill Solid Waste Sites Area of Critical Environmental Concern (ACEC)NHESP Priority Habitats for Rare Species NHESP Estimated Habitats for Rare WildlifeEPA Designated Sole Source AquiferMajor Drainage BasinSub Drainage BasinInland WetlandsCoastal Wetlands Public Surface Water Supply (PSWS)Water BodiesStream/Intermittent Stream Non-Potential Drinking Water Source Area - HighYieldNon-Potential Drinking Water Source Area -Medium YieldPotentially Productive Medium Yield AquiferPotentially Productive High Yield AquiferCounty BounadryTown Boundary PROJECT LIMITS F L O R E N C E S T R E E T SANITORIUMROAD R E S E R V O IR ROAD M ULBERRYSTREE T K E N N E D Y R O A D W A T E R S T R E E T R I V E R R O A D M A I N S T R E E T L E E D S AUDUBONROAD FIGURE 3ORTHOPHOTOGRAPHUtilities & Road Reconstruction ProjectAudubon RoadNorthampton, Massachusetts ¹0 325 650 Feet 1:7,800 V:\Projects\N\N0936\AudubonRdNorthamptonMA_Aerial.mxd Notes:1. Exempt per MAWPA; Maintenance permitted under MassDEPFile #246-686 (GOOC))2. Based on MassGIS Color Orthophotography (2013). N-0936 April 2016 ^_ Legend Limits of RoadwayReclamation/Repaving (Approx.600 lf, See Note 1) Project Limits Stream Water TankTower Day Brook Roberts Meadow Brook C O M P L E T E S E T 1 3 S H E E T S AU D U B O N R O A D U T I L I T I E S AND ROA D R E C O N S T R U C T I O N P R O J E C T C I T Y O F N O R T H A M P T O N NORTH A M P T O N , M A S S A C H U S E T T S J U N E 2 0 1 6 T i g h e & B o n d C o n s u l t i n g E n g i n e e r s 2 TITLECOVER SHEETGENERAL NOTES, LEGEND, AND ABBREVIATIONS SHEET NO.13AUDUBON ROAD (STA 0+00 TO STA 9+00)476 C I T Y O F N O R T H A M P T O N D E P A R T M E N T O F P U B L I C W O R K S L O C U S P L A N P R O J E C T L O C A T I O N S C A L E : 1 " = 2 0 0 0 ' LIST OF DRAWINGSAUDUBON ROAD (STA 9+00 TO STA 19+50)CONSTRUCTION DETAILS - 1 P R E P A R E D F O R : 5DRAINAGE CULVERT PLAN AND SECTION AUDUBON ROAD (STA 19+50 TO STA 25+38)AUDUBON ROAD TO WATER TANK SHEET INDEX8910CONSTRUCTION DETAILS - 211CONSTRUCTION DETAILS - 312CONSTRUCTION DETAILS - 413TRAFFIC CONTROL PLANPERMIT SETNOT FOR CONSTRUCTION G E N E R A L N O T E S L E G E N D , A B B R E V I A T I O N S , A N D G E N E R A L N O T E S A S S H O W N LEGENDPW A B B R E V I A T I O N S C F Y PW T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t S h t 2 . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n S H E E T 2 O F WATER, SEWER, DRAINDEPARTMENT OF PUBLICWORKS413-587-1570ELECTRICNATIONAL GRID(800)322-3223TELEPHONEVERIZON(508)828-6437 CABLECOMCAST(978)848-5165GASCOLUMBIA GAS OFMASSACHUSETTS(800)688-6160 UTILITY CONTACTS PWSD T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t S h t 3 . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n C F Y S H E E T I N D E X L A Y O U T A N D A D D I T I O N A L A R E A T O R E C L A I M A N D R E P A V E A S S H O W N S H E E T 3 O F 0 0 1 0 0 ' 2 0 0 ' S C A L E I N F E E T 1 " = 1 0 0 ' 0 0 4 0 ' 8 0 ' S C A L E I N F E E T 1 " = 4 0 ' S T R A W B A L E S A N D S I L T A T I O N F E N C E ( T Y P ) T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t S h t 5 . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n C F Y A U D U B O N R O A D 1 " = 2 0 ' S H E E T 5 O F SEE SHEET 4 SEE VIEW BELOW SEE VIEW ABOVE SEE SHEET 6 PROPOSED 12" DIWATER MAIN 1 2 " 2 2 1 2 % ( 1 ' 0 - 5 ( 6 7 5 $ , 1 ( ' 1 2 " 2 2 1 2 % ( 1 ' 0 - R E S T R A I N E D 12 " 1 1 1 4 % ( 1 ' 0 - RE S T R A I N E D P R O P O S E D 1 2 " D I W A T E R M A I N T E S T P I T R E Q U I R E D ( T Y P ) E X I S T I N G 8 " A C W M T O B E A B A N D O N E D ( T Y P ) C L O S E E X I S T I N G H Y D R A N T V A L V E , R E M O V E E X I S T I N G H Y D R A N T , A N D P L U G O P E N E N D O F P I P E W I T H C O N C R E T E H Y D R A N T A S S E M B L Y 1 - 1 2 " x 6 " A N C H O R I N G T E E , M J , R E S T R A I N E D & B L O C K E D 1 - 6 " G A T E V A L V E & B O X , M J , R E S T R A I N E D 1 - 6 " N I P P L E , L E N G T H A S R E Q U I R E D 1 - H Y D R A N T 1 2 " G A T E V A L V E & B O X , M J , R E S T R A I N E D ( T Y P ) INTERCONNECTION TO WATER TANKSTA 17+10=STA 0+00 1-12"x12" TEE, MJ, RESTRAINED 3-12" NIPPLES, 3' LONG 3-12" GATE VALVES & BOXES, MJ, R E S T R A I N E D P R O P O S E D 1 2 " D I W A T E R M A I N S E E S H E E T 7 12" GATE VALVE & BOX,MJ, RESTRAINED (TYP) S W E E P P I P E 7 < 3 E X I S T I N G 8 " A C W M T O B E A B A N D O N E D ( T Y P ) CLOSE EXISTING HYDRANTVALVE, REMOVE EXISTINGHYDRANT, AND PLUG OPENEND OF PIPE WITHCONCRETE HYDRANT ASSEMBLY 1-12"x6" ANCHORING TEE, MJ, RESTRAINED & BLOCKED 1-6" GATE VALVE & BOX, MJ, RESTRAINED 1-6" NIPPLE, LENGTH AS REQUIRED 1-HYDRANT RECONNECTTO 34" CU WSRECONNECTTO 1" CU WS R E C O N N E C T T O 3 4 " C U W S R E C O N N E C T T O 3 4 " C U W S RECONNECTTO 34" CU WSRECONNECTTO 34" CU WS R E C O N N E C T T O 3 4 " C U W S R E C O N N E C T T O 3 4 " C U W S R E C O N N E C T T O 3 4 " C U W S 12" HDPE DR A I N L=259''S=4.2%CBINV OUT=415.54 (NE) 1 2 " H D P E D R A I N L = 2 9 2 ' S = 8 . 7 % D M H I N V I N = 4 0 4 . 0 0 ( W ) I N V I N = 4 0 1 . 4 0 ( S W ) I N V O U T = 4 0 0 . 2 3 ( E ) C B I N V O U T = 4 0 2 . 4 5 ( N E ) RECONNECTTO 34" CU WS DMHINV IN =414.94 (SW)INV OUT=414.77 (E)12" HDPE DRAINL=30'S=2% 1 2 " H D P E D R A I N L = 3 0 ' S = 2 . 0 % 12" GATE VALVE & BOX,MJ, RESTRAINED (TYP) R A I S E D D R I V E W A Y A P R O N T O P R E V E N T S T O R M W A T E R F R O M E N T E R I N G D R I V E W A Y ( T Y P ) T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t S h t 6 . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n C F Y A U D U B O N R O A D T O W A T E R T A N K 1 " = 2 0 ' S H E E T 6 O F SEE SHEET 5 R E P L A C E E X I S T I N G D R A I N P I P E SEE VIEW BELOW SEE VIEW ABOVE PROPOSED 12" D I WATER MAIN E X I S T I N G 6 " A C W M T O B E A B A N D O N E D ( T Y P ) C L O S E E X I S T I N G H Y D R A N T V A L V E , R E M O V E E X I S T I N G H Y D R A N T , A N D P L U G O P E N E N D O F P I P E W I T H C O N C R E T E H Y D R A N T A S S E M B L Y 1 - 1 2 " x 6 " A N C H O R I N G T E E , M J , R E S T R A I N E D & B L O C K E D 1 - 6 " G A T E V A L V E & B O X , M J , R E S T R A I N E D 1 - 6 " N I P P L E , L E N G T H A S R E Q U I R E D 1 - H Y D R A N T 12" GATE VALVE & BOX,MJ, RESTRAINED (TYP) P L U G O P E N E N D O F E X I S T I N G 8 " A B A N D O N E D W M W I T H C O N C R E T E E X I S T I N G 6 " A C W M T O B E A B A N D O N E D ( T Y P ) P R O P O S E D 1 2 " D I W A T E R M A I N % ( 1 ' 0 - 5 ( 6 7 5 $ , 1 ( ' REMOVE SECTION OF EXISTING 6" WM & PROVI D E : %(1'0-5(675$,1(' 1-12" NIPPLE, 3' LONG 1-12" GATE VALVE & BOX, MJ, RESTRAINED 1-12" NIPPLE, 3' LONG 1-12"X6" REDUCER, MJ, RESTRAINED 1-6" NIPPLE, LENGTH AS REQUIRED 1-6" SOLID SLEEVE COUPLING, MJ, RESTRAINE D CONNECT TO EXISTING 6" WM R E C O N N E C T T O 3 4 " C U W S R E C O N N E C T T O 1 " C U W S R E C O N N E C T T O 3 4 " C U W S R E C O N N E C T T O 3 4 " C U W S R E C O N N E C T T O 1 " C U W S RECONNECTTO 1" CU WS 1 2 " G A T E V A L V E & B O X , M J , R E S T R A I N E D ( T Y P ) T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t S h t 7 . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n C F Y A U D U B O N R O A D T O W A T E R T A N K 1 " = 2 0 ' S H E E T 7 O F SEE SHEET 5 S E E S H E E T 6 R E P L A C E E X I S T I N G D R A I N P I P E 1 2 " 2 2 1 2 % ( 1 ' 0 - 5 ( 6 7 5 $ , 1 ( ' P R O P O S E D 1 2 " D I W A T E R M A I N 7 < 3 1 2 " 2 2 1 2 % ( 1 ' 0 - 5 ( 6 7 5 $ , 1 ( ' P L U G O P E N E N D O F E X I S T I N G 8 " A B A N D O N E D W M W I T H C O N C R E T E R E M O V E S E C T I O N O F E X I S T I N G 8 " A C W M A N D P R O V I D E : 1 - 8 " S O L I D S L E E V E C O U P L I N G , M J , R E S T R A I N E D 1 - 8 " N I P P L E , 3 ' L O N G 1 - 8 " x 1 2 " R E D U C E R , M J , R E S T R A I N E D E X I S T I N G 8 " A C W M T O B E A B A N D O N E D ( T Y P ) T E S T P I T R E Q U I R E D ( T Y P ) REMOVE ALTITUDEVALVE AND REPLACEWITH SECTION OFCLASS C153 FLANGED8" DI PIPE C O N S T R U C T I O N D E T A I L S - 1 A S S H O W N S H E E T 9 O F T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t D e t a i l s . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n C F Y C O N S T R U C T I O N D E T A I L S - 2 A S S H O W N S H E E T 1 0 O F T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t D e t a i l s . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n C F Y C O N S T R U C T I O N D E T A I L S - 4 A S S H O W N S H E E T 1 2 O F T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t D e t a i l s . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n C F Y 2 " H O T M I X A S P H A L T T O P C O U R S E 1 1 2 " H O T M I X A S P H A L T D E N S E M I X S U R F A C E C O A T 1 2 " P R O C E S S E D G R A V E L T A C K C O A T E X I S T I N G D R I V E W A Y F I N I S H E D R O A D W A Y S A W C U T E X I S T I N G D R I V E W A Y E D G E T R A F F I C C O N T R O L P L A N A S S H O W N S H E E T 1 3 O F T i g h e & B o n d w w w . t i g h e b o n d . c o m S C A L E : D R A W N B Y : C H E C K E D : A P P R O V E D B Y : D a t e P R O J E C T N O : M a r k F I L E : D e s c r i p t i o n N 0 9 3 6 / 1 0 T M B Z P C , A B S N o r t h a m p t o n , M a s s a c h u s e t t s C i t y o f N o r t h a m p t o n A u d u b o n R o a d U t i l i t i e s a n d R o a d R e c o n s t r u c t i o n P r o j e c t S h t 1 3 . d w g 1 3 A 0 5 / 1 6 D r a f t P e r m i t S e t P e r m i t S e t N o t f o r C o n s t r u c t i o n C F Y APPENDIX B SITE PHOTOGRAPHS Tighe&Bond AUDUBON ROAD UTILITIES AND ROAD RECONSTRUCTION PROJECT LEEDS (NORTHAMPTON), MASSACHUSETTS Photo 1: View east/southeast of Audubon Road at Day Brook crossing (3/4/2016). Photo 2: View west/northwest of Audubon Road at Day Brook crossing (3/4/2016). SITE PHOTOGRAPHS Tighe&Bond -2- Photo 3: Day Brook crossing culvert inlet and headwall, stone weir (to be breached) (3/4/2016). Photo 4: Day Brook crossing culvert inlet, headwall and stone weir (to be breached) (3/4/2016). SITE PHOTOGRAPHS Tighe&Bond -3- Photo 5: Interior of Day Brook crossing. Red arrow indicates concrete-filled “sand” bags installed to stabilize the structure along both sides (3/4/2016) Photo 6: Day Brook crossing culvert outlet and headwall (3/4/2016). SITE PHOTOGRAPHS Tighe&Bond -4- Photo 7: Channelized section of Day Brook downstream of Audubon Road crossing. Private driveway crossing visible at end far end of channel (1/7/2016). J:\N\N0936 Northampton DPW\10 - Audubon Road Drain and Water Project\Permitting\NOI\DOC\6-1 - SITE PHOTOGRAPHS.doc APPENDIX C 1 OI D AC C O U N T _ N O MB O W N E R _ N A M E N ER _ M A I L I N G _ A D CIT Y A TE_O Z I P _ C O D E 0 1 0 B - 0 0 7 - 0 0 1 1 0 B - 0 0 7 S T A U B A D R I A N B & S A R A H P 7 4 A U D U B O N R D L E E D S M A 0 1 0 5 3 1 1 0 B - 0 0 8 - 0 0 1 1 0 B - 0 0 8 B E R N I C H E R O B E R T S I I & D E B R A B 1 9 A U D U B O N R D L E E D S M A 0 1 0 5 3 2 1 0 B - 0 0 9 - 0 0 1 1 0 B - 0 0 9 G R A N T J E S S I C A R 5 4 A U D U B O N R D L E E D S M A 0 1 0 5 3 3 1 0 B - 0 1 0 - 0 0 1 1 0 B - 0 1 0 R O G E R S W I L L I A M F 4 8 A U D U B O N R O A D L E E D S M A 0 1 0 5 3 4 1 0 B - 0 1 1 - 0 0 1 1 0 B - 0 1 1 D U N D O N E D I T H L P O B O X 3 4 9 L E E D S M A 0 1 0 5 3 5 1 0 B - 0 4 5 - 0 0 1 1 0 B - 0 4 5 D A Y M A R K A P O B O X 5 5 5 L E E D S M A 0 1 0 5 3 6 1 0 B - 0 8 2 - 0 0 1 1 0 B - 0 8 2 F A L E S H A L & E L I Z A B E T H S U L L I V A N 7 3 A U D U B O N R D L E E D S M A 0 1 0 5 3 7 1 0 B - 1 0 7 - 0 0 1 1 0 B - 1 0 7 O L S O N A L I X L & J A I M E M M A S I C K P O B O X 4 5 5 L E E D S M A 0 1 0 5 3 Co p y o f D P W _ 1 0 0 f t _ 2 0 1 6 0 6 2 7 10B-008 10B-011 10B-045 10B-082 10B-107 10B-007 10B-009 10B-010 W A T E R S T MU L B E R R Y S T RESERVOIR R D RIV E R R D AUDU B O N R D USGS, MassGIS E Notification to Abutters Under the Massachusetts Wetlands Protection Act and the Northampton Wetlands Ordinance In accordance with the second paragraph of the Massachusetts General Laws Chapter 131, Section 40, you are hereby notified of the following: The name of the applicant is City of Northampton Department of Public Works (DPW). The applicant has filed a Notice of Intent with the Northampton Conservation Commission that seeks permission to remove, fill, dredge or alter an Area Subject to protection Under the Wetlands Protection Act (General Laws Chapter 131, Section 40) and the Northampton Wetlands Protection Ordinance (Chapter 337). The address of the lot where the activity is proposed is Audubon Road (roadway right-of-way) from approximately River Street west approximately 1,900 linear feet (lf), and from Kennedy Road approximately 600 lf easterly. The project proposes: To replace and improve the existing water and storm drain utilities, replace the Day Brook culvert, remove a stone weir on Day Brook, and reclaim and repave the existing footprint of Audubon Road within the limits of proposed work (refer to USGS topographic map “Figure 1” on the opposite side of this page). Copies of the Notice of Intent may be examined at the Office of Planning and Sustainability, 210 Main Street, Room 11, between the hours of 8:30 a.m. and 4:30 p.m., Monday – Friday, and online at www.northamptonma.gov/opd Copies of the Notice of Intent and more information may be obtained from either (check one) the applicant ____, or the applicant's representative ______, by calling this telephone number (413) 572 - 3224 between the hours of 8:00 AM and 5:00 PM on the following days of the week: Monday through Friday. Information regarding the date, time, and place of the public hearing may be obtained from the Office of Planning and Sustainability by calling (413) 587- 1263. Hearing notice will be posted online at www.northamptonma.gov/opd and www.northamptonma.gov/calendar. A ‘Public Notice’ sign with the date of the hearing will also be posted on the property when the hearing is scheduled. NOTE: Notice of the public hearing, including its date, time, and place, will be published at least five (5) days in advance of the hearing in the Daily Hampshire Gazette. NOTE: Notice of the public hearing, including its date, time, and place, will be posted in the Northampton City Hall not less than forty-eight (48) hours in advance. NOTE: You also may contact the nearest Department of Environmental Protection Regional Office for more information about this application or the Wetlands Protection Act. To contact DEP, call the Western Region at (413) 784-1100. Based on USGS Topographic Map forEasthampton, MA Revised 1979. [Site Quad]Contour Interval Equals 10-Feet. [Site Quad]Williamsburg, MA Revised 1990.Contour Interval Equals 3-Meters. PROJECT LIMITS ¹0 1,000 2,000 Feet 1:24,000 V:\Projects\N\N0936\AudubonRdNorthamptonMA_topo.mxd FIGURE 1SITE LOCATION MAPUtilities & Road Reconstruction ProjectAudubon RoadNorthampton, Massachusetts April 2016 N-0936 ^_ Notes:1. Exempt per MAWPA; Maintenancepermitted under MassDEP File #246-686 (GOOC)) PROJECT LIMITS Legend Limits of RoadwayReclamation/Repaving (Approx.600 lf, See Note 1) Project Limits APPENDIX D Audubon Road Utilities and Road Reconstruction Project Village of Leeds Northampton, Massachusetts Stormwater Management Report Prepared For: City of Northampton Department of Public Works Northampton, Massachusetts June 2016 Table of Contents Tighe&Bond i Section 1 Registered Professional Engineer's Certification Section 2 Project Description 2.1 Project Summary ......................................................................... 2-1 2.2 Existing Conditions ....................................................................... 2-1 2.3 Proposed Improvements ................................................................ 2-1 Section 3 Regulatory Compliance 3.1 LID Measures ............................................................................... 3-1 3.2 Standard 1: No New Untreated Discharges ....................................... 3-1 3.3 Standard 2: Peak Discharge Rate Attenuation ................................... 3-1 3.4 Standard 3: Groundwater Recharge ................................................ 3-1 3.5 Standard 4: Water Quality ............................................................. 3-1 3.6 Standard 5: Land Uses with Higher Potential Pollutant Loads (LUHPPLs) 3-1 3.7 Standard 6: Critical Areas .............................................................. 3-2 3.8 Standard 7: Redevelopment Projects ............................................... 3-2 3.9 Standard 8: Construction Period Pollution Prevention, Erosion and Sedimentation Control .................................................................. 3-2 3.10 Standard 9: Long-Term Operation and Maintenance Plan ................... 3-2 3.11 Standard 10: Prohibition of Illicit Discharges .................................... 3-2 Appendices A Massachusetts Stormwater Checklist B Figures Figure 1: USGS Site Locus Map Figure 2: Priority Resource Map Figure 3: Orthophotograph C NRCS Soils Information and Boring Logs D Stormwater Operation & Maintenance Plan E Illicit Discharge Statement J:\N\N0936 Northampton DPW\10 - Audubon Road Drain and Water Project\Permitting\NOI\DOC\SW\2 - Stormwater Report.docx Tighe&Bond Stormwater Report 2-1 Section 2 Project Description 2.1 Project Summary The project is located along approximately 2,500 linear feet (lf) of Audubon Road between its intersection with Reservoir Road and River Street and approximately #200 Audubon Road in the Village of Leeds, City of Northampton, Massachusetts. The project area also includes an easement between #112 and #122 Audubon Road, leading to an elevated water tower on the south side of Audubon Road at #134 Audubon Road. It also includes a small portion of Day Brook. Figures and plans showing the site location and context are included in Attachment C. Photographs of the proposed project area are provided in Attachment D. The following Stormwater Management Report was prepared in support of a Notice of Intent filing with the Northampton Conservation Commission for work within jurisdictional areas as required under the Massachusetts Wetlands Protection Act. 2.2 Existing Conditions An existing three-sided reinforced concrete box culvert is located at approximately 40 Audubon Road, where the road crosses Day Brook. The 29 foot long culvert has a cross- sectional area of 18 square feet and an openness ratio of 0.19. The structure is currently in disrepair, the reinforcing steel is exposed and corroded in several locations. The sides of the culvert are currently supported by bags of cement concrete, which line the inside of the culvert. Two existing outfalls discharge stormwater from Audubon Road to Day Brook. A 12-inch reinforced concrete pipe discharges to the brook upstream of the culvert, and a 12-inch clay pipe discharges to the brook downstream of the culvert. According to the NRCS soil survey, soils within the project area are mainly comprised of medium-draining, fine sandy loam. Soils of this type have a slow infiltration rate when thoroughly wet. The soils in the area have a moderate potential for soil-induced electrochemical or chemical action that corrodes or weakens concrete. The NRCS soil data is included in Appendix C. Exploratory borings were performed in February 2016 to verify the soil conditions and the depth to bedrock within the project area. The results of the borings indicate that the soils within the project area are predominantly fine and coarse sand with little silt and gravel. Boring logs are provided in Appendix C. 2.3 Proposed Improvements The proposed project consists primarily of the replacement of the existing water line and drainage system within the paved footprint of Audubon Road and a portion of a cross- country right-of-way from Audubon Road west towards an existing raised water tank. Section 2 Project Description Tighe&Bond Stormwater Report 2-2 Approximately 2,300 lf of 12-inch diameter replacement water main will be installed within the footprint of Audubon Road and along the existing 10-foot wide easement from the roadway to the elevated water tower. Construction will involve the abandoning in place of the existing asbestos pipe and reconfiguration of new drainage structures within the roadway. In general, trenches will be excavated and backfilled to match adjacent grades. Upon completion of work, the full width of each paved roadway will be reclaimed and the street repaved. The restoration of public roadways will not result in an increase in street width or impervious area. Proposed improvements will replace the existing culvert with a three-sided precast concrete culvert of equal length. The proposed culvert will have a cross-sectional area of 22 square feet, and an openness ratio of 0.23. In addition to increasing the openness ratio, the proposed crossing will have a natural stream bottom. Construction Period Best Management Practices Construction period Best Management Practices (BMPs) consisting of straw bale and siltation fence erosion control barriers, or similar devices, will be installed between the proposed limits of work and sensitive environmental receptors (e.g. catch basins) and the contractor(s) will be required to maintain reserve supplies of erosion control barriers on- site to make repairs, as necessary. Upon completion of construction, disturbed unpaved areas will be loamed and seeded and mulched with weed-free straw. Paved roadways will be reclaimed and re-paved within their existing footprints. At the conclusion of the project, the erosion control barriers will be removed and properly disposed off-site following the stabilization of disturbed areas and Conservation Commission authorization. The two existing outfalls to Day Brook will be relocated. The storm drain piping upstream of the culvert will be extended, so that the outfall will discharge to a rip rap splash pad directly adjacent to the brook, as opposed to sheet flowing into it. The storm drain piping downstream of the culvert will be straightened, eliminating a bend in the pipe, and relocating the outfall approximately 35 feet downstream. A coffer dam will be installed upstream of the proposed limits of work in Day Brook to create an isolated (i.e., dry) work area. The isolated work area will be dewatered by means of pumping trapped water to a sedimentation facility (e.g. stilling basin) outside the limits of the work area. Installation of the coffer dam will not result in any ground disturbance. The contractor will be required to adequately treat all water prior to its discharge from the isolated work area. Due to the nature of the proposed project and the space constrictions of the site, it may be necessary to completely block normal stream flows during construction. Work in open and/or flowing waters will be conducted in accordance with the Massachusetts General Permit. In short, the bypass may be accomplished from immediately above the coffer dam to immediately below (or downstream of) the work area. Additionally, the following general measures will be employed to minimize impacts to the resource areas:  Access into the stream channel will only be by foot. No vehicles will enter the stream channel. Section 2 Project Description Tighe&Bond Stormwater Report 2-3  Protective measures will be inspected weekly during construction and after significant precipitation events and repaired, as necessary.  The work will be scheduled when no precipitation events are anticipated and the stream flow is as low as practicable. If an unanticipated rain event is predicted which may overwhelm the temporary bypass system, all equipment and supplies, with the exception of the stream bypass system, will be removed from the stream prior to the rain event.  Straw bales, and silt fence shall be removed and properly disposed following site stabilization.  Catch basin inlets downgradient of the project area will be protected by silt sacks or other similar silt retention devises. Tighe&Bond Stormwater Report 3-1 Section 3 Regulatory Compliance The project, due to the scope of work within Riverfront Area and the 100-foot Buffer Zone to inland Bank, is required to comply with the ten Massachusetts Stormwater Standards (Standards) under the Massachusetts Wetlands Protection Act. As noted in Section 3.8, the proposed activities meet the criteria to be considered a Redevelopment project. The Massachusetts Stormwater Checklist is provided in Appendix A. 3.1 LID Measures MassDEP allows for reductions in structural stormwater Best Management Practice (BMP) requirements for water quantity and quality when certain criteria are met. The applicant is not requesting credit for LID measures for this project. 3.2 Standard 1: No New Untreated Discharges There are no new stormwater conveyance outfalls discharging untreated stormwater directly to waters of the Commonwealth as a result of the proposed improvements. Old drainage systems will be removed and two storm drain outfalls will be relocated to convey stormwater to Day Brook. It is not anticipated that erosive stormwater velocities will be encountered post- construction subsequently causing erosion and siltation to waters of the Commonwealth. New stormwater discharges are proposed, however erosion and sedimentation will be limited using properly designed straw bales and siltation fences. 3.3 Standard 2: Peak Discharge Rate Attenuation The proposed Project will not significantly alter stormwater flow paths, nor will alterations in ground cover result in an increase in peak discharge rates under proposed conditions. 3.4 Standard 3: Groundwater Recharge The proposed project does not propose any new impervious area, and therefore is not subject to groundwater recharge requirements. 3.5 Standard 4: Water Quality The proposed project does not propose any new impervious area, and therefore is not subject to TSS removal requirements. However, provisions for long-term source control and pollution prevention are included in the Operation and Maintenance (O&M) Plan provided in Appendix D. 3.6 Standard 5: Land Uses with Higher Potential Pollutant Loads (LUHPPLs) The project does not include any LUHPPLs, therefore the provisions of this standard do not apply. Section 3 Regulatory Compliance Tighe&Bond Stormwater Report 3-2 3.7 Standard 6: Critical Areas The site is located within the Mill River watershed and is not located within a Zone II or Interim Wellhead Protection Area. According to the proposed Massachusetts Year 2014 List of Integrated Waters, the Mill River, as the receiving water from Day Brook, is listed as a Category 5 Water (MA34-28). This categorization indicates that the water body requires a Total Maximum Daily Load be determined for particular identified pollutants. In the case of the Mill River, the identified pollutants include Escherichia coli. The project will not result in any new stormwater discharges to the watershed contributing to the Assabet River. Existing drainage patterns will be maintained. Additionally, stormwater quality will not be impacted as a result of the development. Stormwater BMPs are not proposed as part of the project due to the nature of the project and the applicability of Stormwater Standards 3 and 4. 3.8 Standard 7: Redevelopment Projects The project is considered a redevelopment, as it consists of improvement of an existing roadway and utilities within the roadway, and improvement of existing drainage systems. 3.9 Standard 8: Construction Period Pollution Prevention, Erosion and Sedimentation Control There will be more than one acre of land disturbed as a result of this project, therefore an EPA NPDES Construction General Permit will be obtained before construction commences. Prior to construction, the contractor will prepare a SWPPP identifying construction period pollution prevention and erosion and sedimentation control measures. 3.10 Standard 9: Long-Term Operation and Maintenance Plan A Stormwater Operations and Maintenance Plan is included in Appendix D of this report. The O&M plan indicates the responsible parties for the project, routine and non-routine maintenance tasks and inspection criteria. 3.11 Standard 10: Prohibition of Illicit Discharges The Owner is not aware of any existing illicit discharges at the Site and is not proposing any illicit discharges as part of the project. If any illicit connections are found during construction of the site, these connections will be abandoned and removed. A signed Illicit Discharge Statement is provided in Appendix E. J:\N\N0936 Northampton DPW\10 - Audubon Road Drain and Water Project\Permitting\NOI\DOC\SW\2 - Stormwater Report.docx ATTACHMENT A Tighe&Bond 3 - swcheck • 04/01/08 Stormwater Report Checklist • Page 1 of 8 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands Program Checklist for Stormwater Report A. Introduction Important: When filling out forms on the computer, use only the tab key to move your cursor - do not use the return key. A Stormwater Report must be submitted with the Notice of Intent permit application to document compliance with the Stormwater Management Standards. The following checklist is NOT a substitute for the Stormwater Report (which should provide more substantive and detailed information) but is offered here as a tool to help the applicant organize their Stormwater Management documentation for their Report and for the reviewer to assess this information in a consistent format. As noted in the Checklist, the Stormwater Report must contain the engineering computations and supporting information set forth in Volume 3 of the Massachusetts Stormwater Handbook. The Stormwater Report must be prepared and certified by a Registered Professional Engineer (RPE) licensed in the Commonwealth. The Stormwater Report must include:  The Stormwater Checklist completed and stamped by a Registered Professional Engineer (see page 2) that certifies that the Stormwater Report contains all required submittals.1 This Checklist is to be used as the cover for the completed Stormwater Report.  Applicant/Project Name  Project Address  Name of Firm and Registered Professional Engineer that prepared the Report  Long-Term Pollution Prevention Plan required by Standards 4-6  Construction Period Pollution Prevention and Erosion and Sedimentation Control Plan required by Standard 82  Operation and Maintenance Plan required by Standard 9 In addition to all plans and supporting information, the Stormwater Report must include a brief narrative describing stormwater management practices, including environmentally sensitive site design and LID techniques, along with a diagram depicting runoff through the proposed BMP treatment train. Plans are required to show existing and proposed conditions, identify all wetland resource areas, NRCS soil types, critical areas, Land Uses with Higher Potential Pollutant Loads (LUHPPL), and any areas on the site where infiltration rate is greater than 2.4 inches per hour. The Plans shall identify the drainage areas for both existing and proposed conditions at a scale that enables verification of supporting calculations. As noted in the Checklist, the Stormwater Management Report shall document compliance with each of the Stormwater Management Standards as provided in the Massachusetts Stormwater Handbook. The soils evaluation and calculations shall be done using the methodologies set forth in Volume 3 of the Massachusetts Stormwater Handbook. To ensure that the Stormwater Report is complete, applicants are required to fill in the Stormwater Report Checklist by checking the box to indicate that the specified information has been included in the Stormwater Report. If any of the information specified in the checklist has not been submitted, th li t t id l ti Th l t d St t R t Ch kli t d 1 The Stormwater Report may also include the Illicit Discharge Compliance Statement required by Standard 10. If not included in the Stormwater Report, the Illicit Discharge Compliance Statement must be submitted prior to the discharge of stormwater runoff to the post-construction best management practices. 2 For some complex projects, it may not be possible to include the Construction Period Erosion and Sedimentation Control Plan in the Stormwater Report. In that event, the issuing authority has the discretion to issue an Order of Conditions that approves the project and includes a condition requiring the proponent to submit the Construction Period Erosion and Sedimentation Control Plan before commencing any land disturbance activity on the site. 3 - swcheck • 04/01/08 Stormwater Report Checklist • Page 3 of 8 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands Program Checklist for Stormwater Report Checklist (continued) LID Measures: Stormwater Standards require LID measures to be considered. Document what environmentally sensitive design and LID Techniques were considered during the planning and design of the project: No disturbance to any Wetland Resource Areas Site Design Practices (e.g. clustered development, reduced frontage setbacks) Reduced Impervious Area (Redevelopment Only) Minimizing disturbance to existing trees and shrubs LID Site Design Credit Requested: Credit 1 Credit 2 Credit 3 Use of “country drainage” versus curb and gutter conveyance and pipe Bioretention Cells (includes Rain Gardens) Constructed Stormwater Wetlands (includes Gravel Wetlands designs) Treebox Filter Water Quality Swale Grass Channel Green Roof Other (describe): Standard 1: No New Untreated Discharges No new untreated discharges Outlets have been designed so there is no erosion or scour to wetlands and waters of the Commonwealth Supporting calculations specified in Volume 3 of the Massachusetts Stormwater Handbook included. 3 - swcheck • 04/01/08 Stormwater Report Checklist • Page 4 of 8 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands Program Checklist for Stormwater Report Checklist (continued) Standard 2: Peak Rate Attenuation Not Applicable – no new impervious area. Standard 2 waiver requested because the project is located in land subject to coastal storm flowage and stormwater discharge is to a wetland subject to coastal flooding. Evaluation provided to determine whether off-site flooding increases during the 100-year 24-hour storm. Calculations provided to show that post-development peak discharge rates do not exceed pre- development rates for the 2-year and 10-year 24-hour storms. If evaluation shows that off-site flooding increases during the 100-year 24-hour storm, calculations are also provided to show that post-development peak discharge rates do not exceed pre-development rates for the 100- year 24-hour storm. Standard 3: Recharge Not Applicable – no new impervious area. Soil Analysis provided. Required Recharge Volume calculation provided. Required Recharge volume reduced through use of the LID site Design Credits. Sizing the infiltration, BMPs is based on the following method: Check the method used. Static Simple Dynamic Dynamic Field1 Runoff from all impervious areas at the site discharging to the infiltration BMP. Runoff from all impervious areas at the site is not discharging to the infiltration BMP and calculations are provided showing that the drainage area contributing runoff to the infiltration BMPs is sufficient to generate the required recharge volume. Recharge BMPs have been sized to infiltrate the Required Recharge Volume. Recharge BMPs have been sized to infiltrate the Required Recharge Volume only to the maximum extent practicable for the following reason: Site is comprised solely of C and D soils and/or bedrock at the land surface M.G.L. c. 21E sites pursuant to 310 CMR 40.0000 Solid Waste Landfill pursuant to 310 CMR 19.000 Project is otherwise subject to Stormwater Management Standards only to the maximum extent practicable. Calculations showing that the infiltration BMPs will drain in 72 hours are provided. Property includes a M.G.L. c. 21E site or a solid waste landfill and a mounding analysis is included. 1 80% TSS removal is required prior to discharge to infiltration BMP if Dynamic Field method is used. 3 - swcheck • 04/01/08 Stormwater Report Checklist • Page 5 of 8 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands Program Checklist for Stormwater Report Checklist (continued) Standard 3: Recharge (continued) The infiltration BMP is used to attenuate peak flows during storms greater than or equal to the 10-year 24-hour storm and separation to seasonal high groundwater is less than 4 feet and a mounding analysis is provided. Documentation is provided showing that infiltration BMPs do not adversely impact nearby wetland resource areas. Standard 4: Water Quality Not Applicable – no new impervious area. The Long-Term Pollution Prevention Plan typically includes the following: • Good housekeeping practices; • Provisions for storing materials and waste products inside or under cover; • Vehicle washing controls; • Requirements for routine inspections and maintenance of stormwater BMPs; • Spill prevention and response plans; • Provisions for maintenance of lawns, gardens, and other landscaped areas; • Requirements for storage and use of fertilizers, herbicides, and pesticides; • Pet waste management provisions; • Provisions for operation and management of septic systems; • Provisions for solid waste management; • Snow disposal and plowing plans relative to Wetland Resource Areas; • Winter Road Salt and/or Sand Use and Storage restrictions; • Street sweeping schedules; • Provisions for prevention of illicit discharges to the stormwater management system; • Documentation that Stormwater BMPs are designed to provide for shutdown and containment in the event of a spill or discharges to or near critical areas or from LUHPPL; • Training for staff or personnel involved with implementing Long-Term Pollution Prevention Plan; • List of Emergency contacts for implementing Long-Term Pollution Prevention Plan. A Long-Term Pollution Prevention Plan is attached to Stormwater Report and is included as an attachment to the Wetlands Notice of Intent. Treatment BMPs subject to the 44% TSS removal pretreatment requirement and the one inch rule for calculating the water quality volume are included, and discharge: is within the Zone II or Interim Wellhead Protection Area is near or to other critical areas is within soils with a rapid infiltration rate (greater than 2.4 inches per hour) involves runoff from land uses with higher potential pollutant loads. The Required Water Quality Volume is reduced through use of the LID site Design Credits. Calculations documenting that the treatment train meets the 80% TSS removal requirement and, if applicable, the 44% TSS removal pretreatment requirement, are provided. 3 - swcheck • 04/01/08 Stormwater Report Checklist • Page 6 of 8 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands Program Checklist for Stormwater Report Checklist (continued) Standard 4: Water Quality (continued) The BMP is sized (and calculations provided) based on: The ½” or 1” Water Quality Volume or The equivalent flow rate associated with the Water Quality Volume and documentation is provided showing that the BMP treats the required water quality volume. The applicant proposes to use proprietary BMPs, and documentation supporting use of proprietary BMP and proposed TSS removal rate is provided. This documentation may be in the form of the propriety BMP checklist found in Volume 2, Chapter 4 of the Massachusetts Stormwater Handbook and submitting copies of the TARP Report, STEP Report, and/or other third party studies verifying performance of the proprietary BMPs. A TMDL exists that indicates a need to reduce pollutants other than TSS and documentation showing that the BMPs selected are consistent with the TMDL is provided. Standard 5: Land Uses With Higher Potential Pollutant Loads (LUHPPLs) Not Applicable – the project site is not a LUHPPL. The NPDES Multi-Sector General Permit covers the land use and the Stormwater Pollution Prevention Plan (SWPPP) has been included with the Stormwater Report. The NPDES Multi-Sector General Permit covers the land use and the SWPPP will be submitted prior to the discharge of stormwater to the post-construction stormwater BMPs. The NPDES Multi-Sector General Permit does not cover the land use. LUHPPLs are located at the site and industry specific source control and pollution prevention measures have been proposed to reduce or eliminate the exposure of LUHPPLs to rain, snow, snow melt and runoff, and been included in the long term Pollution Prevention Plan. All exposure has been eliminated. All exposure has not been eliminated and all BMPs selected are on MassDEP LUHPPL list. The LUHPPL has the potential to generate runoff with moderate to higher concentrations of oil and grease (e.g. all parking lots with >1000 vehicle trips per day) and the treatment train includes an oil grit separator, a filtering bioretention area, a sand filter or equivalent. Standard 6: Critical Areas Not Applicable – the project site is not a Critical Area The discharge is near or to a critical area and the treatment train includes only BMPs that MassDEP has approved for stormwater discharges to or near that particular class of critical Critical areas and BMPs are identified in the Stormwater Report. 3 - swcheck • 04/01/08 Stormwater Report Checklist • Page 7 of 8 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands Program Checklist for Stormwater Report Checklist (continued) Standard 7: Redevelopments and Other Projects Subject to the Standards only to the maximum extent practicable The project is subject to the Stormwater Management Standards only to the maximum Extent Practicable as a: Limited Project Small Residential Projects: 5-9 single family houses or 5-9 units in a multi-family development provided there is no discharge that may potentially affect a critical area. Small Residential Projects: 2-4 single family houses or 2-4 units in a multi-family development with a discharge to a critical area Marina and/or boatyard provided the hull painting, service and maintenance areas are protected from exposure to rain, snow, snow melt and runoff Bike Path and/or Foot Path Redevelopment Project Redevelopment portion of mix of new and redevelopment. Certain standards are not fully met (Standard No. 1, 8, 9, and 10 must always be fully met) and an explanation of why these standards are not met is contained in the Stormwater Report. The project involves redevelopment and a description of all measures that have been taken to improve existing conditions is provided in the Stormwater Report. The redevelopment checklist found in Volume 2 Chapter 3 of the Massachusetts Stormwater Handbook may be used to document that the proposed stormwater management system (a) complies with Standards 2, 3 and the pretreatment and structural BMP requirements of Standards 4-6 to the maximum extent practicable and (b) improves existing conditions. Standard 8: Construction Period Pollution Prevention and Erosion and Sedimentation Control A Construction Period Pollution Prevention and Erosion and Sedimentation Control Plan must include the following information: • Narrative; • Construction Period Operation and Maintenance Plan; • Names of Persons or Entity Responsible for Plan Compliance; • Construction Period Pollution Prevention Measures; • Erosion and Sedimentation Control Plan Drawings; • Detail drawings and specifications for erosion control BMPs, including sizing calculations; • Vegetation Planning; • Site Development Plan; • Construction Sequencing Plan; • Sequencing of Erosion and Sedimentation Controls; • Operation and Maintenance of Erosion and Sedimentation Controls; • Inspection Schedule; • Maintenance Schedule; • Inspection and Maintenance Log Form. A Construction Period Pollution Prevention and Erosion and Sedimentation Control Plan containing the information set forth above has been included in the Stormwater Report. 3 - swcheck • 04/01/08 Stormwater Report Checklist • Page 8 of 8 Massachusetts Department of Environmental Protection Bureau of Resource Protection - Wetlands Program Checklist for Stormwater Report Checklist (continued) Standard 8: Construction Period Pollution Prevention and Erosion and Sedimentation Control (continued) The project is highly complex and information is included in the Stormwater Report that explains why it is not possible to submit the Construction Period Pollution Prevention and Erosion and Sedimentation Control Plan with the application. A Construction Period Pollution Prevention and Erosion and Sedimentation Control has not been included in the Stormwater Report but will be submitted before land disturbance begins. The project is not covered by a NPDES Construction General Permit. The project is covered by a NPDES Construction General Permit and a copy of the SWPPP is in the Stormwater Report. The project is covered by a NPDES Construction General Permit but no SWPPP been submitted. The SWPPP will be submitted BEFORE land disturbance begins. Standard 9: Operation and Maintenance Plan Not Applicable – no post-construction BMPs proposed. The Post Construction Operation and Maintenance Plan is included in the Stormwater Report and includes the following information: Name of the stormwater management system owners; Party responsible for operation and maintenance; Schedule for implementation of routine and non-routine maintenance tasks; Plan showing the location of all stormwater BMPs maintenance access areas; Description and delineation of public safety features; Estimated operation and maintenance budget; and Operation and Maintenance Log Form. The responsible party is not the owner of the parcel where the BMP is located and the Stormwater Report includes the following submissions: A copy of the legal instrument (deed, homeowner’s association, utility trust or other legal entity) that establishes the terms of and legal responsibility for the operation and maintenance of the project site stormwater BMPs; A plan and easement deed that allows site access for the legal entity to operate and maintain BMP functions. Standard 10: Prohibition of Illicit Discharges The Long-Term Pollution Prevention Plan includes measures to prevent illicit discharges; An Illicit Discharge Compliance Statement is attached; NO Illicit Discharge Compliance Statement is attached but will be submitted prior to the discharge of any stormwater to post-construction BMPs. ATTACHMENT B Tighe&Bond Based on USGS Topographic Map forEasthampton, MA Revised 1979. [Site Quad]Contour Interval Equals 10-Feet. [Site Quad]Williamsburg, MA Revised 1990.Contour Interval Equals 3-Meters. PROJECT LIMITS ¹0 1,000 2,000 Feet 1:24,000 V:\Projects\N\N0936\AudubonRdNorthamptonMA_topo.mxd FIGURE 1SITE LOCATION MAPUtilities & Road Reconstruction ProjectAudubon RoadNorthampton, Massachusetts April 2016 N-0936 ^_ Notes:1. Exempt per MAWPA; Maintenancepermitted under MassDEP File #246-686 (GOOC)) PROJECT LIMITS Legend Limits of RoadwayReclamation/Repaving (Approx.600 lf, See Note 1) Project Limits UV9 MAIN STREET BRIDG E R OA D F O R T H I L L R O A D F R ON T S T R E E T R E S E R V O I R R O A D K E N N E D Y R O A D FLORENCE STREET MULBERRY STREET P I N E S T R E E T BACK HILL ROAD W A T E R S T R E E T NORTH MAIN STREET C H E S T E R F I E L D R O A D F A I R W A Y V I L L A G E SP RIN G STR EET UPL AN D R OA D R I V E R R O A D H A Y D E N V I L L E R O A D B O A T R O A D WALPOLE ROAD R A N G E R O A D MYRTLE AVENUE EVERGREEN ROAD D I M O C K S T R E E T M A I N S T R E E T L E E D S O U T E R O V A L SANITORIUM ROAD S Y L V E S T E R R O A D OLD TROLLEY ROAD S H E P E R D S H O LL O W R O A D SOUTH STREET A U D U B O N R O A D 1214001-02G 1214001-01G 1214000-02S ¹0 1,000 2,000 Feet 1:24,000 V:\Projects\N\N0936\AudubonRdNorthamptonMA_Resource.mxd Data source: Office of Geographic Information(MassGIS), Commonwealth of Massachusetts, MassIT)Executive Office of Environmental Affairs.Data valid as of April 2016. Notes:1. Exempt per MAWPA; Maintenance permitted under MassDEPFile #246-686 (GOOC)) FIGURE 2PRIORITY RESOURCE MAPUtilities & Road Reconstruction ProjectAudubon RoadNorthampton, Massachusetts N-0936 April 2016 ^_ Le ge n d Limits of Roadway Reclamation/Repaving (Approx.600 lf, See Note 1)Project LimitsXNHESP Certified Vernal PoolsXNHESP Potential Vernal Pools !Þ Community Public Water Supply - Surface Water !Þ Community Public Water Supply - Groundwater "Non-Community Non-Transient Public Water Supply "T Non-Community Transient Public Water Supply Limited Access HighwayMulti-Lane Highway, NOT Limited AccessOther Numbered HighwayMajor Road - CollectorMinor Street or RoadAquaducts !Powerline PipelineTrack or Trail TrainsPublic Surface Water Supply Protection Area (ZoneA)DEP Approved Wellhead Protection Area (ZoneDEP Approved Wellhead Protection Area (ZoneDEP Interim Wellhead Protection Area (IWPA)Protected and Recreational Open SpaceSolid Waste Landfill#Non-Landfill Solid Waste Sites Area of Critical Environmental Concern (ACEC)NHESP Priority Habitats for Rare Species NHESP Estimated Habitats for Rare WildlifeEPA Designated Sole Source AquiferMajor Drainage BasinSub Drainage BasinInland WetlandsCoastal Wetlands Public Surface Water Supply (PSWS)Water BodiesStream/Intermittent Stream Non-Potential Drinking Water Source Area - HighYieldNon-Potential Drinking Water Source Area -Medium YieldPotentially Productive Medium Yield AquiferPotentially Productive High Yield AquiferCounty BounadryTown Boundary PROJECT LIMITS F L O R E N C E S T R E E T SANITORIUMROAD R E S E R V O IR ROAD M ULBERRYSTREE T K E N N E D Y R O A D W A T E R S T R E E T R I V E R R O A D M A I N S T R E E T L E E D S AUDUBONROAD FIGURE 3ORTHOPHOTOGRAPHUtilities & Road Reconstruction ProjectAudubon RoadNorthampton, Massachusetts ¹0 325 650 Feet 1:7,800 V:\Projects\N\N0936\AudubonRdNorthamptonMA_Aerial.mxd Notes:1. Exempt per MAWPA; Maintenance permitted under MassDEPFile #246-686 (GOOC))2. Based on MassGIS Color Orthophotography (2013). N-0936 April 2016 ^_ Legend Limits of RoadwayReclamation/Repaving (Approx.600 lf, See Note 1) Project Limits Stream Water TankTower Day Brook Roberts Meadow Brook ATTACHMENT C Tighe&Bond Soil Map—Hampshire County, Massachusetts, Central Part (Audubon Road Utilities and Road Reconstruction Project) Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 1 of 4 46 9 1 3 0 0 46 9 1 5 0 0 46 9 1 7 0 0 46 9 1 9 0 0 46 9 2 1 0 0 46 9 2 3 0 0 46 9 2 5 0 0 46 9 2 7 0 0 46 9 2 9 0 0 46 9 1 5 0 0 46 9 1 7 0 0 46 9 1 9 0 0 46 9 2 1 0 0 46 9 2 3 0 0 46 9 2 5 0 0 46 9 2 7 0 0 46 9 2 9 0 0 687200 687400 687600 687800 688000 688200 688400 688600 688800 689000 689200 689400 689600 687200 687400 687600 687800 688000 688200 688400 688600 688800 689000 689200 689400 689600 42° 21' 57'' N 72 ° 4 3 ' 3 8 ' ' W 42° 21' 57'' N 72 ° 4 1 ' 4 6 ' ' W 42° 21' 3'' N 72 ° 4 3 ' 3 8 ' ' W 42° 21' 3'' N 72 ° 4 1 ' 4 6 ' ' W N Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 18N WGS84 0 500 1000 2000 3000 Feet 0 150 300 600 900 Meters Map Scale: 1:11,800 if printed on A landscape (11" x 8.5") sheet. MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Unit Polygons Soil Map Unit Lines Soil Map Unit Points Special Point Features Blowout Borrow Pit Clay Spot Closed Depression Gravel Pit Gravelly Spot Landfill Lava Flow Marsh or swamp Mine or Quarry Miscellaneous Water Perennial Water Rock Outcrop Saline Spot Sandy Spot Severely Eroded Spot Sinkhole Slide or Slip Sodic Spot Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography The soil surveys that comprise your AOI were mapped at 1:15,800. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Hampshire County, Massachusetts, Central Part Survey Area Data: Version 10, Sep 28, 2015 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Mar 28, 2011—Apr 18, 2011 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Soil Map—Hampshire County, Massachusetts, Central Part (Audubon Road Utilities and Road Reconstruction Project) Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 2 of 4 Map Unit Legend Hampshire County, Massachusetts, Central Part (MA609) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 1 Water 6.0 1.0% 4A Rippowam fine sandy loam, 0 to 3 percent slopes 3.9 0.7% 12A Maybid silt loam, 0 to 3 percent slopes 1.2 0.2% 51A Swansea muck, 0 to 1 percent slopes 6.2 1.1% 70A Ridgebury fine sandy loam, 0 to 3 percent slopes 1.5 0.3% 73A Whitman fine sandy loam, 0 to 3 percent slopes, extremely stony 2.5 0.4% 88A Ridgebury fine sandy loam, 0 to 3 percent slopes, very stony 2.3 0.4% 88B Ridgebury fine sandy loam, 3 to 8 percent slopes, very stony 68.9 12.0% 253A Hinckley loamy sand, 0 to 3 percent slopes 7.2 1.3% 253B Hinckley loamy sand, 3 to 8 percent slopes 21.8 3.8% 253C Hinckley loamy sand, 8 to 15 percent slopes 21.2 3.7% 253D Hinckley loamy sand, 15 to 25 percent slopes 13.4 2.3% 254B Merrimac fine sandy loam, 3 to 8 percent slopes 5.6 1.0% 256A Deerfield loamy fine sand, 0 to 5 percent slopes 1.4 0.2% 305C Paxton fine sandy loam, 8 to 15 percent slopes 12.2 2.1% 306B Paxton fine sandy loam, 0 to 8 percent slopes, very stony 26.0 4.5% 306C Paxton fine sandy loam, 8 to 15 percent slopes, very stony 102.5 17.9% 306D Paxton fine sandy loam, 15 to 25 percent slopes, very stony 48.2 8.4% 311B Woodbridge fine sandy loam, 0 to 8 percent slopes, very stony 26.1 4.5% 311C Woodbridge fine sandy loam, 8 to 15 percent slopes, very stony 59.8 10.4% Soil Map—Hampshire County, Massachusetts, Central Part Audubon Road Utilities and Road Reconstruction Project Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 3 of 4 Hampshire County, Massachusetts, Central Part (MA609) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 311D Woodbridge fine sandy loam, 15 to 25 percent slopes, very stony 8.8 1.5% 406C Charlton fine sandy loam, 8 to 15 percent slopes, very stony 2.3 0.4% 537B Paxton fine sandy loam, 3 to 8 percent slopes, stony 53.1 9.3% 537C Paxton fine sandy loam, 8 to 15 percent slopes, stony 31.9 5.6% 537D Paxton fine sandy loam, 15 to 25 percent slopes, stony 11.1 1.9% 651 Udorthents, smoothed 5.5 1.0% 711C Charlton-Rock outcrop-Hollis complex, sloping 13.1 2.3% 711E Charlton-Rock outcrop-Hollis complex, steep 10.4 1.8% Totals for Area of Interest 574.1 100.0% Soil Map—Hampshire County, Massachusetts, Central Part Audubon Road Utilities and Road Reconstruction Project Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 4 of 4 Corrosion of Concrete—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 1 of 5 46 9 1 5 0 0 46 9 1 7 0 0 46 9 1 9 0 0 46 9 2 1 0 0 46 9 2 3 0 0 46 9 2 5 0 0 46 9 2 7 0 0 46 9 1 5 0 0 46 9 1 7 0 0 46 9 1 9 0 0 46 9 2 1 0 0 46 9 2 3 0 0 46 9 2 5 0 0 46 9 2 7 0 0 46 9 2 9 0 0 687400 687600 687800 688000 688200 688400 688600 688800 689000 689200 689400 687400 687600 687800 688000 688200 688400 688600 688800 689000 689200 689400 689600 42° 21' 56'' N 72 ° 4 3 ' 3 1 ' ' W 42° 21' 56'' N 72 ° 4 1 ' 5 2 ' ' W 42° 21' 9'' N 72 ° 4 3 ' 3 1 ' ' W 42° 21' 9'' N 72 ° 4 1 ' 5 2 ' ' W N Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 18N WGS84 0 500 1000 2000 3000 Feet 0 150 300 600 900 Meters Map Scale: 1:10,400 if printed on A landscape (11" x 8.5") sheet. MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Rating Polygons High Moderate Low Not rated or not available Soil Rating Lines High Moderate Low Not rated or not available Soil Rating Points High Moderate Low Not rated or not available Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography The soil surveys that comprise your AOI were mapped at 1:15,800. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Hampshire County, Massachusetts, Central Part Survey Area Data: Version 10, Sep 28, 2015 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Mar 28, 2011—Apr 18, 2011 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Corrosion of Concrete—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 2 of 5 Corrosion of Concrete Corrosion of Concrete— Summary by Map Unit — Hampshire County, Massachusetts, Central Part (MA609) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 1 Water 0.7 0.1% 4A Rippowam fine sandy loam, 0 to 3 percent slopes Moderate 3.9 0.8% 12A Maybid silt loam, 0 to 3 percent slopes Moderate 1.2 0.3% 51A Swansea muck, 0 to 1 percent slopes High 5.9 1.2% 70A Ridgebury fine sandy loam, 0 to 3 percent slopes Moderate 1.5 0.3% 73A Whitman fine sandy loam, 0 to 3 percent slopes, extremely stony Moderate 1.8 0.4% 88A Ridgebury fine sandy loam, 0 to 3 percent slopes, very stony Moderate 2.3 0.5% 88B Ridgebury fine sandy loam, 3 to 8 percent slopes, very stony Moderate 68.1 13.7% 253A Hinckley loamy sand, 0 to 3 percent slopes High 0.6 0.1% 253B Hinckley loamy sand, 3 to 8 percent slopes High 17.0 3.4% 253C Hinckley loamy sand, 8 to 15 percent slopes High 14.0 2.8% 253D Hinckley loamy sand, 15 to 25 percent slopes High 13.4 2.7% 254B Merrimac fine sandy loam, 3 to 8 percent slopes High 5.6 1.1% 256A Deerfield loamy fine sand, 0 to 5 percent slopes Moderate 1.4 0.3% 305C Paxton fine sandy loam, 8 to 15 percent slopes Moderate 11.8 2.4% 306B Paxton fine sandy loam, 0 to 8 percent slopes, very stony Moderate 23.6 4.8% 306C Paxton fine sandy loam, 8 to 15 percent slopes, very stony Moderate 87.6 17.7% Corrosion of Concrete—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 3 of 5 Corrosion of Concrete— Summary by Map Unit — Hampshire County, Massachusetts, Central Part (MA609) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 306D Paxton fine sandy loam, 15 to 25 percent slopes, very stony Moderate 32.3 6.5% 311B Woodbridge fine sandy loam, 0 to 8 percent slopes, very stony Moderate 26.1 5.3% 311C Woodbridge fine sandy loam, 8 to 15 percent slopes, very stony Moderate 43.9 8.8% 311D Woodbridge fine sandy loam, 15 to 25 percent slopes, very stony Moderate 8.8 1.8% 406C Charlton fine sandy loam, 8 to 15 percent slopes, very stony High 2.0 0.4% 537B Paxton fine sandy loam, 3 to 8 percent slopes, stony Moderate 52.6 10.6% 537C Paxton fine sandy loam, 8 to 15 percent slopes, stony Moderate 30.8 6.2% 537D Paxton fine sandy loam, 15 to 25 percent slopes, stony Moderate 11.1 2.2% 651 Udorthents, smoothed 5.2 1.1% 711C Charlton-Rock outcrop- Hollis complex, sloping High 12.4 2.5% 711E Charlton-Rock outcrop- Hollis complex, steep High 10.0 2.0% Totals for Area of Interest 495.6 100.0% Description "Risk of corrosion" pertains to potential soil-induced electrochemical or chemical action that corrodes or weakens concrete. The rate of corrosion of concrete is based mainly on the sulfate and sodium content, texture, moisture content, and acidity of the soil. Special site examination and design may be needed if the combination of factors results in a severe hazard of corrosion. The concrete in installations that intersect soil boundaries or soil layers is more susceptible to corrosion than the concrete in installations that are entirely within one kind of soil or within one soil layer. The risk of corrosion is expressed as "low," "moderate," or "high." Rating Options Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Corrosion of Concrete—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 4 of 5 Tie-break Rule: Higher Corrosion of Concrete—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 5 of 5 Hydrologic Soil Group—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 1 of 5 46 9 1 5 0 0 46 9 1 7 0 0 46 9 1 9 0 0 46 9 2 1 0 0 46 9 2 3 0 0 46 9 2 5 0 0 46 9 2 7 0 0 46 9 1 5 0 0 46 9 1 7 0 0 46 9 1 9 0 0 46 9 2 1 0 0 46 9 2 3 0 0 46 9 2 5 0 0 46 9 2 7 0 0 46 9 2 9 0 0 687400 687600 687800 688000 688200 688400 688600 688800 689000 689200 689400 687400 687600 687800 688000 688200 688400 688600 688800 689000 689200 689400 689600 42° 21' 56'' N 72 ° 4 3 ' 3 1 ' ' W 42° 21' 56'' N 72 ° 4 1 ' 5 2 ' ' W 42° 21' 9'' N 72 ° 4 3 ' 3 1 ' ' W 42° 21' 9'' N 72 ° 4 1 ' 5 2 ' ' W N Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 18N WGS84 0 500 1000 2000 3000 Feet 0 150 300 600 900 Meters Map Scale: 1:10,400 if printed on A landscape (11" x 8.5") sheet. MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Rating Polygons A A/D B B/D C C/D D Not rated or not available Soil Rating Lines A A/D B B/D C C/D D Not rated or not available Soil Rating Points A A/D B B/D C C/D D Not rated or not available Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography The soil surveys that comprise your AOI were mapped at 1:15,800. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Hampshire County, Massachusetts, Central Part Survey Area Data: Version 10, Sep 28, 2015 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Mar 28, 2011—Apr 18, 2011 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Hydrologic Soil Group—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 2 of 5 Hydrologic Soil Group Hydrologic Soil Group— Summary by Map Unit — Hampshire County, Massachusetts, Central Part (MA609) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 1 Water 0.7 0.1% 4A Rippowam fine sandy loam, 0 to 3 percent slopes A/D 3.9 0.8% 12A Maybid silt loam, 0 to 3 percent slopes C/D 1.2 0.3% 51A Swansea muck, 0 to 1 percent slopes B/D 5.9 1.2% 70A Ridgebury fine sandy loam, 0 to 3 percent slopes D 1.5 0.3% 73A Whitman fine sandy loam, 0 to 3 percent slopes, extremely stony D 1.8 0.4% 88A Ridgebury fine sandy loam, 0 to 3 percent slopes, very stony D 2.3 0.5% 88B Ridgebury fine sandy loam, 3 to 8 percent slopes, very stony D 68.1 13.7% 253A Hinckley loamy sand, 0 to 3 percent slopes A 0.6 0.1% 253B Hinckley loamy sand, 3 to 8 percent slopes A 17.0 3.4% 253C Hinckley loamy sand, 8 to 15 percent slopes A 14.0 2.8% 253D Hinckley loamy sand, 15 to 25 percent slopes A 13.4 2.7% 254B Merrimac fine sandy loam, 3 to 8 percent slopes A 5.6 1.1% 256A Deerfield loamy fine sand, 0 to 5 percent slopes A 1.4 0.3% 305C Paxton fine sandy loam, 8 to 15 percent slopes C 11.8 2.4% 306B Paxton fine sandy loam, 0 to 8 percent slopes, very stony C 23.6 4.8% 306C Paxton fine sandy loam, 8 to 15 percent slopes, very stony C 87.6 17.7% Hydrologic Soil Group—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 3 of 5 Hydrologic Soil Group— Summary by Map Unit — Hampshire County, Massachusetts, Central Part (MA609) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 306D Paxton fine sandy loam, 15 to 25 percent slopes, very stony C 32.3 6.5% 311B Woodbridge fine sandy loam, 0 to 8 percent slopes, very stony C/D 26.1 5.3% 311C Woodbridge fine sandy loam, 8 to 15 percent slopes, very stony C/D 43.9 8.8% 311D Woodbridge fine sandy loam, 15 to 25 percent slopes, very stony C/D 8.8 1.8% 406C Charlton fine sandy loam, 8 to 15 percent slopes, very stony A 2.0 0.4% 537B Paxton fine sandy loam, 3 to 8 percent slopes, stony C 52.6 10.6% 537C Paxton fine sandy loam, 8 to 15 percent slopes, stony C 30.8 6.2% 537D Paxton fine sandy loam, 15 to 25 percent slopes, stony C 11.1 2.2% 651 Udorthents, smoothed 5.2 1.1% 711C Charlton-Rock outcrop- Hollis complex, sloping 12.4 2.5% 711E Charlton-Rock outcrop- Hollis complex, steep 10.0 2.0% Totals for Area of Interest 495.6 100.0% Hydrologic Soil Group—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 4 of 5 Description Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long-duration storms. The soils in the United States are assigned to four groups (A, B, C, and D) and three dual classes (A/D, B/D, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep, moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Group D. Soils having a very slow infiltration rate (high runoff potential) when thoroughly wet. These consist chiefly of clays that have a high shrink-swell potential, soils that have a high water table, soils that have a claypan or clay layer at or near the surface, and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is for drained areas and the second is for undrained areas. Only the soils that in their natural condition are in group D are assigned to dual classes. Rating Options Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Hydrologic Soil Group—Hampshire County, Massachusetts, Central Part Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 6/27/2016 Page 5 of 5 Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-1 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'3-3-12-33 S-1 13"Moist Brown Fine Silt and SAND, Little Gravel, Little Coarse SAND.Auger refusal @ 2.5', Offset 5' South, drilled to 4', Auger refusal @ 4'. 4-6'49-83-52-52 S-2 12"Dry Brown Gravel and Coarse SAND. 6-8'73-47-40-20 S-3 13"Dry Brown Gravel and Coarse SAND. 8-10'15-33-50/5"S-4 9"Moist Brown Fine Coarse SAND, Some Gravel, Trace Silt. E.O.B. @ 10'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-2 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'23-32-22-14 S-1 20"Moist Brown Fine SAND, Little Coarse SAND, Little Gravel, Little Silt,Refusal 2.5', Offset 10' North drilled to 5'. 5-7'8-16-26-40 S-2 9"Dry Brown Gravel, Trace Coarse SAND, Trace Fine SAND. 8-10'39-21-27-27 S-3 17"Dry Brown Coarse SAND and Gravel, Trace Silt. E.O.B. @ 10'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-3 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.1-3'7-11-15-12 S-1 12"Moist Brown Fine Coarse SAND, Some Gravel, Trace Silt. 5-7'2-2-1-1 S-2 1"Moist Brown Fine SAND, Wet @ 7'. 7-9'5-6-7-10 S-3 9"Wet Brown Coarse SAND and Gravel, Trace Fine SAND, Trace Silt. 10-12'5-5-9-13 S-4 11"Wet Brown Fine Coarse SAND, Little Gravel, Trace Silt. 13-15'28-33-40-47 S-5 11"Wet Brown Fine Coarse SAND, Little Gravel, Trace Silt. E.O.B. @ 15'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-4 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'4-14-13-10 S-1 5"Moist Brown Coarse SAND, Little Gravel, Little Silt, Little Fine SAND. 5-7'12-13-16-S-2 15"Wet Brown Coarse SAND and Gravel, Trace Fine SAND, Trace Silt.17 8-10'20-27-48-S-3 17"Wet Brown Coarse SAND and Gravel, Trace Fine SAND, Trace Silt.50/3" E.O.B. @ 10'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-5 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'6-6-8-21 S-1 16"Moist Brown Fine SAND, Trace Coarse SAND, Trace Gravel, Trace Silt. 5-7'44-14-19-25 S-2 16"Moist Brown Fine SAND and Silt, Little Coarse SAND, Little Gravel. 8-10'37-50/3"S-3 9"Moist Brown Fine SAND and Silt, Little Coarse SAND, Little Gravel. E.O.B. @ 10'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-6 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'9-12-10-4 S-1 12"Dry Brown Coarse SAND and Gravel, Little Fine SAND, Trace Silt. 5-7'8-9-12-13 S-2 19"Moist Brown Fine SAND and Silt, Little Coarse SAND, Little Gravel. 8-10'15-20-24-25 S-3 21"Moist Brown Fine SAND and Silt, Little Coarse SAND, Little Gravel. E.O.B. @ 10'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-7 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'14-12-12-9 S-1 11"Moist Brown Coarse SAND and Gravel, Little Fine SAND, Trace Silt. 5-7'10-27-40-S-2 3"Moist Brown Fine Coarse SAND, Some Gravel, Trace Silt.50/1" 8-10'6-8-21-47 S-3 16"Moist Brown Fine SAND and Silt, Trace Coarse SAND, Trace Gravel. E.O.B. @ 10'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-8 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'15-22-22-15 S-1 13"Moist Brown Fine Coarse SAND and Gravel, Trace Silt. 5-7'16-34-17-13 S-2 19"Moist Brown Fine Coarse SAND and Gravel, Trace Silt. 8-10'38-42-26-25 S-3 20"Moist Brown Fine SAND, Little Coarse SAND, Trace Gravel, Trace Silt. E.O.B. @ 10'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-10 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'13-23-27-47 S-1 13"Moist Brown Fine Coarse SAND, Some Gravel, Trace Silt,Auger refusal @ 2.5', Offset 5' East, Drilled to 5'. 5-7'16-25-11-10 S-2 14"Moist Brown Fine SAND and Silt, Little Gravel, Little Coarse SAND. 8-10'13-16-20-22 S-3 20"Moist Brown Fine SAND and Silt, Some Coarse SAND, Little Gravel. E.O.B. @ 10'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense Client: Tighe & Bond SEABOARD Test Boring/ Location: Audubon Road, Northampton, MA DRILLING, INC.Monitor Well ID: B-11 Project: Task #01-003-2015-12 P.O. BOX 3026 SPFLD, MA 01101 Contractor: Seaboard Drilling, Inc. DRILLING/SOIL LOG Sheet No. 1 of 1 Casing Core Barrel Hammer (Weight-lb./fall-30")Start: 2/23/2016 Type HSA SS N/A 140/30 300/24 Finish: 2/23/2016 O.D. Inch 8-1/2"Rig Type: B-53 Driller: Jeff Nitsch I.D. Inch 4-1/4"Depth (ft.)Blows Sample Recovery FIELD CLASSIFICATIONS AND REMARKSRangeNo.0-2'16-21-11-5 S-1 14"Moist Brown Fine Coarse SAND, Some Gravel, Trace Silt. 5-7'20-26-34-S-2 16"Moist Brown Fine Coarse SAND, Some Gravel, Little Silt.50/3" Auger Refusal @ 7.5'. SAMPLE PENETRATION RESISTANCE - 140 lb. Wt. Falling 30" on 2" O.D. sampler Density Cohesive Consistence PROPORTIONS # of Hammer Blows very loose # of Hammer Blows very soft /soft trace 0 to 10% 0-4 loose 0-2 3-4 med-stiff /stiff little 10 to 20% 5-9 med/dens 5-8 9-15 very stiff /hard some 20 to 35% 10-29 dense 16-30 31+and 30 to 50% 30-49 50+very dense ATTACHMENT D Tighe&Bond