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604597 Northamption NOI - February 2018.pdf Notice of Intent (NOI) Improvements on I-91 Interchange 19 at Route 9 and Damon Road Northampton, MA MassDOT Project No. 604597 February 2018 Prepared for: MassDOT—Highway Division 10 Park Plaza Boston, MA 02116 Prepared by: Michael J. Rieger, PE TranSystems 101 Arch Street, Suite 301 Boston, MA 02110 wpaform3.doc • rev. 6/28/2016 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): I-91 Interchange 19 at Route 9 and Damon Road a. Street Address Northampton b. City/Town 01060 c. Zip Code Latitude and Longitude: 42-20-02 N d. Latitude 72-37-15 W e. Longitude 25A f. Assessors Map/Plat Number 25A-170 g. Parcel /Lot Number 2. Applicant: a. First Name b. Last Name Massachusetts Department of Transportation - Highway Division c. Organization 10 Park Plaza d. Street Address Boston e. City/Town MA f. State 02116 g. Zip Code 857.368.8807 h. Phone Number 857.368.8038 i. Fax Number susan.mcarthur@state.ma.us 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): Michael a. First Name Rieger b. Last Name TranSystems c. Company 101 Arch Street d. Street Address Boston e. City/Town MA f. State 02110 g. Zip Code 857-453-5483 h. Phone Number 857-453-4576 i. Fax Number mjrieger@transystems.com j. Email address 5. Total WPA Fee Paid (from NOI Wetland Fee Transmittal Form): $1575.00 a. Total Fee Paid $775.00 b. State Fee Paid $800.00 c. City/Town Fee Paid wpaform3.doc • rev. 6/28/2016 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: The project improvements are located at the intersection of Bridge Street and Damon Road/I-91 northbound off-ramp and the intersection of Bridge Street and the I-91 southbound on-ramp. The project also includes the Exit 19 acceleration and deceleration lanes. 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) 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: a. County b. Certificate # (if registered land) c. Book 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. 6/28/2016 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 1. linear feet 2. linear feet b. Bordering Vegetated Wetland 1. square feet 2. square feet c. Land Under Waterbodies and Waterways 1. square feet 2. square feet 3. cubic yards dredged Resource Area Size of Proposed Alteration Proposed Replacement (if any) d. Bordering Land Subject to Flooding 25,984 1. square feet 54,287 2. square feet 69,255 3. cubic feet of flood storage lost 76,842 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 Connecticut River - 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: 6854 square feet 4. Proposed alteration of the Riverfront Area: 6854 a. total square feet 1043 b. square feet within 100 ft. 5811 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. 6/28/2016 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. 6/28/2016 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 Limited Project Checklists – 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 Phone: (508) 389-6360 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. 6/28/2016 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. Not Issued a. NHESP Tracking # 2/23/18 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. 6/28/2016 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. 6/28/2016 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. Stormwater Report, Notice of Intent (NOI) - Improvements on I-91 Interchange 19 at Route 9 and Damon Road a. Plan Title Michael Rieger b. Prepared By Michael Rieger c. Signed and Stamped by d. Final Revision Date e. Scale f. Additional Plan or Document Title February 2018 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: 751009 2. Municipal Check Number 02/21/2018 3. Check date 751004 4. State Check Number 02/21/2018 5. Check date TranSystems Corporation 6. Payor name on check: First Name N/A 7. Payor name on check: Last Name 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: I-91 Interchange 19 at Route 9 and Damon Road a. Street Address Northampton b. City/Town 751004 c. Check number $1575 d. Fee amount 2. Applicant Mailing Address: Susan a. First Name McArthur b. Last Name Massachusetts Department of Transportation - Highway Division c. Organization 10 Park Plaza, Suite 7630 d. Mailing Address Boston e. City/Town MA f. State 02116 g. Zip Code 857-368-8807 h. Phone Number 857-368-8038 i. Fax Number susan.mcarthur@state.ma.us 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 Reconstruction of roadway intersections 3C Plus 50% for RFA $1050+$525 $1575 Step 5/Total Project Fee: $1575 Step 6/Fee Payments: Total Project Fee: $1575 a. Total Fee from Step 5 State share of filing Fee: $775.00 b. 1/2 Total Fee less $12.50 City/Town share of filling Fee: $800.00 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.) Notice of Intent Improvements on I-91 Interchange 19 At Route 9 and Damon Road Northampton, MA ATTACHMENT A – NOI Narrative TABLE OF CONTENTS INTRODUCTION .............................................................................................................................................. 1 WETLAND RESOURCE AREAS ...................................................................................................................... 2 RIVERFRONT AREA (310 CMR 10.58) ........................................................................................................... 2 PURPOSE AND NEED ....................................................................................................................................... 2 EXISTING CONDITIONS ................................................................................................................................. 4 PROPOSED IMPROVEMENTS ......................................................................................................................... 5 CONSTRUCTION STAGING .......................................................................................................................... 5 PROJECT IMPACTS ............................................................................................................................................ 6 AVOIDANCE, MINIMIZATION AND MITIGATION MEASURES ............................................................ 7 PERMITTING STATUS ....................................................................................................................................... 8 ESTIMATED HABITATS OF RARE WILDLIFE (310 CMR 10.59) .............................................................. 8 EROSION AND SEDIMENTATION CONTROLS ....................................................................................... 8 NON-STRUCTURAL PRACTICES .................................................................................................................. 9 TEMPORARY STABILIZATION ....................................................................................................................... 9 TEMPORARY PROTECTION OF EXPOSED SOILS .................................................................................... 9 DUST CONTROL .............................................................................................................................................. 9 STRUCTURAL PRACTICES ............................................................................................................................ 10 EROSION CONTROL BARRIERS ................................................................................................................. 10 TEMPORARY SEDIMENT BASINS ................................................................................................................ 10 INLET PROTECTION FOR CATCH BASINS AND DROP INLETS ....................................................... 10 DEWATERING FILTERS .................................................................................................................................. 10 REGULATORY COMPLIANCE ...................................................................................................................... 11 LAND SUBJECT TO FLOODING (310 CMR 10.57) ................................................................................. 11 A - 1 1 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA INTRODUCTION The Massachusetts Department of Transportation – Highway Division (MassDOT) is proposing improvements to the intersection of Route 9 (Bridge Street) and Damon Road in Northampton. The project area is located just west of the Calvin Coolidge Memorial Bridge spanning the Connecticut River and includes the intersection of Bridge Street and Damon Road/I-91 northbound off-ramp and the intersection of Bridge Street and the I-91 southbound on-ramp. The project also includes the Exit 19 acceleration and deceleration lanes on the I-91 mainline. See Figure 1 Locus Map. Figure 1 Locus Map The project evolved from the “Connecticut River Crossing Transportation Study,” in which the transportation needs of a regional study area from Holyoke to Sunderland were determined, including the potential need for an additional bridge over the Connecticut River. One of the long- term recommendations from that study was to improve the traffic operations at I-91 Interchange 19. A subsequent study was undertaken to refine the concept at the specific project location. PROJECT LOCATION A - 2 2 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA WETLAND RESOURCE AREAS The Connecticut River is the dominant wetland resource area adjacent to the project. Although there are no proposed direct impacts to the river there will be some impacts to its floodplain. Pursuant to the Massachusetts Wetlands Protection Act (WPA) (MGL, Chapter 131, Section 40) and in accordance with WPA Regulations (310 CMR 10.00.), the resource area is defined as Bordering Land Subject to Flooding (BLSF). Impacts and Mitigation will occur to the BLSF for this project. Refer to Project Impacts and Avoidance, Minimization and Mitigation Measures sections for descriptions. There are no proposed impacts to the Connecticut River itself (Land Under Water) or its banks (Bank) or to any Bordering Vegetated Wetlands (BVW). RIVERFRONT AREA (310 CMR 10.58) The proposed improvements for the project cannot be designed and constructed in full compliance with the performance standards for Riverfront Area. The project meets the performance standards to the extent practicable. An alternatives analysis was conducted and no economically equivalent alternative was identified. The area of impact is 6,854 square feet of milling and overlay of a section of Route 9 and the reconstruction of a section of sidewalk. The proposed project qualifies as an insignificant impact and is exempt because the area of impact is entirely within an area that has already been disturbed and consists of roadway and bridge approaches which include paved surfaces with substantial undisturbed fill material beneath. The material beneath will not be disturbed during the project. PURPOSE AND NEED The purpose of the project is to:  Improve traffic operations at I-91 Interchange 19 by addressing capacity deficiencies at intersections on Route 9 and Damon Road;  Improve access to and from I-91 at the existing interchange;  Reduce accident levels within the immediate vicinity of the interchange;  Adequately prepare for currently projected growth and related transportation needs within the effective design life of the facility;  Improve stormwater management and quality; and,  Avoid, minimize and mitigate resource area impacts. The need for transportation improvements at this location is summarized as follows:  Poor levels of service currently occur at the intersection of Route 9/Damon Road/I-91 northbound off-ramp. The intersection experiences long queues, particularly in the westbound direction. Emergency pre-emption and the operations at a nearby pedestrian signal contribute to the delays at this location.  By 2034, traffic operations at the intersection of Route 9/Damon Road/I-91 northbound off- ramp are expected to deteriorate to an overall LOS “E”. Traffic operations at the adjacent intersection of Route 9/I-91 southbound on-ramp are expected to deteriorate with the Route 9 westbound left turn operating at LOS “F” and over capacity. A - 3 3 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA  Motorists wishing to access I-91 to the north or egress I-91 from the north in the vicinity of the interchange are forced to use increasingly congested arterial streets to get to/from the next interchange.  The alternative access/egress routes currently used by motorists to access I-91 north includes two to four intersections with above-average accident rates, depending on specific travel route. Reduction of traffic volume on this route will reduce the number of accidents. Traffic growth in the study area will continue to worsen traffic operations, affecting both capacity and safety. Traffic has grown at a rate of 2% per year in the last seven years, increasing congestion on arterial streets to get to/from the next interchange. See Figure 2 Project Location Map. Figure 2: Project Location Map A - 4 4 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA EXISTING CONDITIONS Roadway Network and Surrounding Land Uses Brief descriptions of the principal roadways in the study area are provided below: Interstate 91 (I-91) I-91 is the primary north-south thoroughfare through western New England beginning in New Haven, Connecticut at I-95 and terminating at Derby Line, Vermont, at the Canadian border. I-91 links the cities of Springfield, Northampton, and Greenfield. I-91 largely follows the Connecticut River and runs parallel to Route 5 for most of its length. The highway is a divided, limited access highway providing two lanes in each direction in the study area and is under state jurisdiction. The portion of I-91 in the study area includes I-91 between and at Interchanges 18, 19 and 20. Exits 18 and 19 are 1.9 miles apart and Exits 19 and 20 are spaced at one mile apart. Exit 18 is a half- cloverleaf on I-91 providing full access to/from Route 5, Mount Tom Road. The ramps are located in the southwest and northwest quadrants and the I-91 northbound ramps are signalized at the intersection with Mount Tom Road. Currently, Interchanges 19 and 20 operate as a pair to provide full access to/from I-91. Both interchanges are half diamond interchanges with access to/from I-91 to the south provided at Exit 19 and access to/from the north provided at Exit 20. At Exit 19, the existing ramps are located in the southeast and southwest quadrants of the interchange and the ramps are signalized at Route 9. Exit 20 is a partial interchange serving movements to and from the north on I-91, with ramps at North King Street, north of Bridge Road. Access to I-91 northbound is provided via a right-hand exit on North King Street northbound. This ramp cannot be accessed from North King Street southbound. Similarly, the I-91 southbound off-ramp merges onto North King Street southbound. Route 9 Route 9 through Northampton is generally a two-lane roadway which widens to four through lanes in the vicinity of I-91 and Routes 5 and 10, with turn lanes at major intersections. Route 9 runs in the east-west direction and provides a crossing of the Connecticut River into Hadley. Route 9 is classified as a principal arterial and falls under state jurisdiction east of Grant Avenue. Proceeding westerly, Route 9 is under City jurisdiction. Route 9 is a primary access route to the main campus of the University of Massachusetts, Amherst. The posted speed limit on Route 9 is 30 mph in the vicinity of I-91 and 25 mph in the downtown commercial area near Market Street and King Street. At Exit 19, Route 9 is signalized. The intersection of Route 9/I-91 southbound on-ramp is a three- legged intersection; the left turn and eastbound through movements are controlled by signalization. The I-91 northbound off-ramp intersects Route 9 opposite of Damon Road forming a four-legged intersection. Exclusive turn lanes are provided for the Route 9 eastbound left turn and westbound right turn. The I-91 off-ramp has an exclusive left turn lane, a through lane and a channelized right turn lane. The Damon Road approach has two exclusive left turn lanes and an exclusive right turn lane. One signal system controls the movements at the two adjacent intersections. A - 5 5 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA Route 9 generally serves residential land uses in the vicinity of I-91. As one proceeds westerly on Route 9, the land use becomes commercial. Between King Street and I-91, there are traffic signals at the intersections with King Street, Market Street/Hawley Street, a pedestrian signal between old Ferry Road and Day Avenue, at the I-91 southbound on-ramp and at the I-91 northbound off- ramp/Damon Street. Damon Road Damon Road runs generally parallel to I-91 in a north-south direction from Route 9 near Interchange 19 and then proceeds westerly crossing under I-91 and terminating at the four-legged signalized intersection with King Street, North King Street (Routes 5 and 10) and Bridge Road. Damon Road carries one travel lane in each direction and provides auxiliary turn lanes at its intersections with Route 9, Industrial Drive and Routes 5 and 10. Damon Road is classified as an urban minor arterial and is under City jurisdiction. PROPOSED IMPROVEMENTS I-91 Northbound Off-Ramp at Damon Road The intersection of the northbound off-ramp and Damon Road will be reconstructed as a two-lane roundabout with a bypass lane for vehicles accessing Route 9 westbound from Damon Road. All approaches to the roundabout will be two lanes as well. The roundabout will include a truck apron along its inscribed diameter and a landscaped central island. A shared use path will be provided around the entire roundabout with the exception of on Route 9 westbound where it passes under the I-91 bridges. At this location, a 5.5 foot sidewalk will be provided. I-91 Southbound On-Ramp at Route 9 Traffic operations will remain essentially the same as existing conditions with the exception of an added left turn lane from Route 9 westbound onto the southbound on-ramp (one lane currently exists, there will be two with the proposed improvements). The southbound on-ramp will be widened to two lanes to accept the additional left turn lane from Route 9 westbound. The lane will be dropped on the ramp prior to the merge with I-91. I-91 Northbound Off-Ramp and Southbound On-Ramp The deceleration length on the northbound off-ramp and the acceleration lane from southbound on- ramp will also be increased by widening the ramps. CONSTRUCTION STAGING The proposed roadway construction will be completed via staged construction. It is anticipated that this method for construction will be completed within two construction seasons and will have three A - 6 6 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA primary stages and a fourth for final paving and landscaping. Throughout construction, access to all driveways will be maintained. Pedestrian accommodations will also be maintained throughout construction by use of the existing signalized pedestrian crossings, a police detail or introduction of temporary sidewalks and crosswalks. The intention is to maintain the current number of lanes on all roadways throughout construction; however periodic short term lane closures may be required to perform isolated work items. Stage 1 During the first stage of construction, traffic will be operating primarily on the existing roadways. Existing sidewalks will remain open throughout this stage to accommodate pedestrian traffic. The extension of the northbound off-ramp deceleration will be constructed. At the roundabout, the eastern half and southeastern quadrant of the roundabout will be constructed where it does not conflict with the existing northbound off-ramp. The proposed sidewalk on Damon Road southbound will also be constructed during this stage. Upon completion of the portion of roadway outside of the existing roadway footprint, the northbound off-ramp traffic will be shifted to the newly constructed roadway while the existing northbound off-ramp is reconstructed to its permanent configuration. At the end of Stage 1, the roundabout on the eastern side of Route 9 will be fully constructed. Stage 2 For Stage 2, traffic will be shifted into an interim roundabout alignment. The eastern half of the roundabout (at the northbound off-ramp) will essentially be in its permanent configuration, while the western half of the roundabout (at Damon Road) will be constructed using a series of traffic shifts through the roundabout. Stage 3 Stage 3 will consist of constructing the final connections to Damon Road northbound. Upon completion of Stage 3, the entire roundabout will be constructed up to the intermediate pavement course. Stage 4 The permanent roundabout will be opened to traffic while the surface course of pavement is constructed and the final pavement markings and landscaping are placed. PROJECT IMPACTS There are wetland resources, surface waters, floodplains, rare, threatened or endangered species, wildlife habitat or significant natural resources within the project limits or within the project area. There are no Areas of Critical Environmental Concern (ACEC) in Northampton. The Connecticut River lies to the north and east of the I-91, Route 9 and Damon Road intersections, but will not be directly impacted by the project. The 100-year floodplain of the Connecticut River is extensive and includes some of the roadway systems within the project limits. A - 7 7 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA Impacts to approximately 25,984 square feet of Bordering Land Subject to Flooding (BLSF) will occur to construct this project. Approximately 10,999 square feet will be impacted adjacent to the I- 91 southbound on-ramp and 14,985 square feet will be impacted adjacent to the I-91 northbound off-ramp. These impacts will result in approximately 2,565 cubic yards, or 69,255 cubic feet of flood storage lost due to fill material required to safely reconfigure the ramps. The slopes adjacent to the ramps will be constructed at 1:1 (H:V), in order to minimize the impacts. The Connecticut River Greenway State Park is located within the project area and is bordered by Route 9, Damon Road, and the Connecticut River. The Connecticut River Greenway is actually a system of state parks that connects open spaces, parks, scenic vistas, and archaeological and historic sites along the length of the Connecticut River as it passes through the state. There are over 12 miles of permanently protected shoreline, and numerous access points to the river. The Norwottuck Rail Trail passes through a section of this state park near the project limits. The Elwell Recreation Area is a component of this state park and includes the paved access ramp and dock system along the river. The project will not impact the state park. AVOIDANCE, MINIMIZATION AND MITIGATION MEASURES A complete, detailed Stormwater Pollution Prevention Plan (SWPPP) will be prepared for the project by the contractor as required by the NPDES General Permit for Construction, prior to construction. The erosion and sedimentation control program will be implemented to avoid and minimize temporary impacts to abutting areas during the construction phase of the project. The program will incorporate Best Management Practices (BMPs) specified in guidelines developed by the Massachusetts Department of Environmental Protection (DEP) (DEP, Massachusetts Erosion and Sediment Control Guidelines for Urban and Suburban Areas: A Guide for Planners, Designers, and Municipal Officials Original Print: March 1997 Reprint: May 2003) and the U.S. Environmental Protection Agency (EPA) (EPA, Developing Your Stormwater Pollution Prevention Plan: A Guide for Construction Sites EPA 833-R-06-004 May 2007). The proposed project will be constructed in stages to keep the roadways open to traffic at all times. Standard construction techniques and safety measures will be used during the stages. Standard sedimentation controls will be installed and maintained during construction to assure temporary disturbance of the surrounding sediments is minimized and contained within the immediate area. Upon completion of the project, exposed soils will be seeded to provide stabilization. In order to replace the impacted BLSF, due to the construction of the proposed slopes adjacent to the I-91 southbound on-ramp and the I-91 northbound off-ramp, excavation of approximately 54,287 square feet is required. Approximately 14,014 square feet will be excavated to construct the I-91 southbound on-ramp, and approximately 40,273 square feet will be excavated to construct the I-91 northbound off-ramp. The excavation will create approximately 2,846 cubic yards of mitigation, or 76,842 cubic feet of compensatory storage for the BLSF. The impacts and mitigations are detailed by elevation in Tables 1-3. A - 8 8 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA PERMITTING STATUS An Environmental Notification Form (ENF) was prepared in 2006. At that time the preferred alternative for this project involved more significant changes to the I-91 at Route 9 interchange including new ramps. It was determined that an ENF was required because the project required the widening of an existing roadway for one-half or more miles; altered terrain ten or more feet from the existing roadway for one-half or more miles; resulted in the alteration of one-half or more acres of wetlands; and would have resulted in the construction of 0.9 miles of new roadway. The current proposed improvements will not exceed any of these other thresholds; an ENF will not be required. There are wetland resources and surface waters within the project limits associated with the Connecticut River. No proposed drainage improvements will involve outlet structures at the Connecticut River. Therefore, the project will not require permits relative to the Section 401 or 404 of the Federal Clean Water Act. According to the 2008 Massachusetts Natural Heritage and Endangered Species Program (NHESP) Map, the project area is located within Priority Habitat of Rare Species and/or Estimated Habitats of Rare Wildlife. The species known to occur within this area include rare fish, bird, mussel, and dragonfly species. No impacts are expected to any of these species. There are no Certified Vernal Pools within or near the project limits. At this phase of the design, the project is expected to be exempt from the Massachusetts Endangered Species Act (MESA). MassDOT Environmental Section will continue to coordinate with the Massachusetts NHESP. A letter dated June 19, 2014 was sent to NHESP along with Exhibits 1-3, which show information about the project area including NHESP Estimated Habitats of Rare Wildlife. In addition, the MESA Review Checklist for MassDOT – Highway Division Projects was sent to NHESP. Documentation regarding NHESP is included in Attachment F. Additionally, there are no federally-listed or proposed, threatened or endangered species or critical habitat under the jurisdiction of the U.S. Fish and Wildlife Service known to occur in the project area. The project will undergo a review process pursuant to Section 106 and Section 4(f) regulations with respect to cultural resources. MassDOT Highway Division’s Cultural Resources Unit will consult with the Massachusetts Historic Commission, Northampton Historical Commission and the FHWA. ESTIMATED HABITATS OF RARE WILDLIFE (310 CMR 10.59) The project will include construction activities within close proximity of estimated habitats of rare wildlife. As required, a copy of the Notice of Intent will be forwarded to the Massachusetts Natural Heritage and Endangered Species Program for their review. EROSION AND SEDIMENTATION CONTROLS Prior to any clearing activities, erosion controls will be installed around all work areas that would involve soil disturbance. Erosion controls will consist of compost filter tubes set in place by untreated hardwood stakes. Siltsacks will be installed on all catch basins and drop inlets. A - 9 9 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA Proper implementation of the erosion and sedimentation control program will:  Minimize exposed soil areas through sequencing and temporary stabilization;  Place structures to manage stormwater runoff and erosion; and,  Establish a permanent vegetative cover or other forms of stabilization as soon as practicable. The following sections describe the controls that may be used and practices that will be followed during construction. These controls will be implemented by the contractor, and these practices will comply with criteria contained in the NPDES General Permit for Discharges from Large and Small Construction Activities issued by the EPA. NON-STRUCTURAL PRACTICES Non-structural practices to be used during construction include temporary stabilization, temporary seeding, permanent seeding, pavement sweeping and dust control. These practices will be initiated as soon as practicable in appropriate areas at the site. TEMPORARY STABILIZATION Any areas of exposed soil or stockpiles that will remain inactive for more than 14 days will be covered with a layer of straw mulch applied at a rate of 90 pounds per 1,000 square feet. The straw mulch may be anchored with a tacking coat applied by a hydroseeder. TEMPORARY PROTECTION OF EXPOSED SOILS If conditions allow, a temporary vegetative cover may be established on areas of exposed soils (including stockpiles) that remain unstabilized for a period of more than 60 days. The exposed soils will be covered with either straw mulch, or matting for erosion control, depending on the slope of the exposed soils. Seed the soils only if directed by the Engineer. The seed mix shall include a blend of rapid-germinating grasses that are indigenous to western Massachusetts. DUST CONTROL The erosion and sediment control program includes provisions to minimize the generation of dust during dry and windy conditions. When necessary, larger areas of exposed soil will be wetted to prevent wind-borne transport of fine grained sediment. Enough water shall be applied to wet the upper 0.5 inches of soil. The water will be applied as a fine spray in order to prevent erosion. A water truck may be brought onto the site as needed to facilitate this practice. A - 10 10 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA STRUCTURAL PRACTICES Structural erosion and sedimentation controls to be used on the project area may include barriers, stabilized construction exits, temporary sediment basins, temporary diversion swales, inlet protection for catch basins and drop inlets, and dewatering filters. EROSION CONTROL BARRIERS Prior to any ground disturbance, a barrier of compost filter tubes with untreated hardwood stakes will be installed at the downgradient limit of work. As construction progresses, additional barriers may be installed around the base of stockpiles and other erosion prone areas. The compost filter tubes will be entrenched into the substrate to prevent underflow. If sediment has accumulated to a depth which impairs proper functioning of the barrier, it will be removed by hand or by machinery operating upslope of the barriers. This material will be either reused at the site or disposed of at a suitable offsite location. Any damaged sections of compost filter tubes will be repaired or replaced immediately upon discovery. TEMPORARY SEDIMENT BASINS Temporary sediment basins may be designed either as excavations or bermed structures (depending on grading) that will retain runoff for a sufficient period of time to allow suspended soil particles to settle out prior to discharge. These temporary basins may be located at the low points on the site (upslope of the perimeter erosion control barrier) and will receive runoff via temporary diversion swales. Discharge from the basin may be controlled by a perforated riser surrounded by a crushed stone filter. Points of discharge from sediment basins will be stabilized with rip rap to minimize erosion. Once constructed, the basins will be temporarily stabilized by covering them with bonded fiber matrix. If sediment has accumulated to a depth which impairs proper functioning of the basin, it will be removed and will be either reused on the site or disposed of at a suitable offsite location. Any eroded or damaged areas will be repaired immediately upon discovery. INLET PROTECTION FOR CATCH BASINS AND DROP INLETS The inlets of active catch basins and drop inlets will be protected from sediment inflow during the work period by installing, silt sacks. If sediment has collected in the silt sack to a point where it impairs proper functioning, the sediment should be removed and reused onsite or disposed of at a suitable offsite location. DEWATERING FILTERS If necessary, sediment-laden water that collects in trenches or excavated areas may be pumped into filter berm basins or filter bags. The basins will consist of filter berms overlain by non-woven geotextile filter fabric and crushed stone. Discharge water will be pumped into the basin and A - 11 11 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA allowed to drain through the fabric onto relatively-flat stabilized surfaces. Dewatering filter bags may be used in place of filter berm basins. The bags will be placed on relatively flat terrain, free of brush and stumps, to avoid ruptures and punctures. A maximum of one six-inch discharge hose will be allowed per filter bag. To help prevent punctures, geotextile fabric will be placed beneath the filter bag when used in wooded locations. Unattended filter bags will be encircled with compost filter tubes. All dewatering structures will be placed as far away from wetland resources as possible. Filter bags used during construction will be bundled and removed for proper disposal. REGULATORY COMPLIANCE As demonstrated below, work in the BLSF fully complies with applicable performance standards and complies with the requirements contained in the Regulations for the Wetlands Protection Act. LAND SUBJECT TO FLOODING (310 CMR 10.57) Where a project involves removing, filling, dredging or altering of Land Subject to Flooding (both Bordering and Isolated Areas) the issuing authority shall presume that such an area is significant to, and only to, the respective interests specified in 310 CMR 10.57(1)(a) and (b). This presumption is rebuttable and may be overcome only upon a clear showing that said land does not play a role in the protection of said interests. In the event that the presumption is deemed to have been overcome, the issuing authority shall make a written determination to this effect, setting forth its grounds (Form 6).  The proposed improvements have been designed with a concerted effort to minimize impacts to the Connecticut River floodplain but also need to adhere to modern engineering standards and work within the framework of the existing roadway and bridge network to the extent practicable.  The limits of the BLSF within the project area have been defined by the Federal Emergency Management Agency (FEMA) maps known as Federal Insurance Rate Maps (FIRM) (Attachment G). In Massachusetts these maps have been transposed onto the MassGIS system. However, the FEMA National Flood Hazard layer is not available for Hampshire County, so for Northampton, MassDOT has also given consideration to the Flood Insurance Study (FIS) for Northampton prepared by FEMA in 1972. This FIS, which references the FIRM Maps, defined the elevation of the 100-year flood zone to be elevation 125. This map was superimposed onto the engineering drawings for the proposed project. The superimposed map, showing the extents of the 100 year flood, as expected, was very similar to the surveyed contour elevation of 125. For added accuracy, where the extents of the 100 year flood elevation is shown, the extents are adjusted to follow the surveyed contour elevation of 125. The surveyed 125 contour elevation is used for computing the impacts and mitigation to the BLSF.  MassDOT has provided compensatory storage volume not previously used for flood storage incrementally equal to the theoretical volume of flood water at each elevation up to and including elevation 125. Table 1, Table 2 and Table 3 represent the impacts (Fill) and A - 12 12 Notice of Intent Improvements on I-91Interchange 19 at Route 9 and Damon Road Northampton, MA mitigation (Cut) to the BLSF. The net gain represents additional mitigation for the project. At all elevations the net gain is positive. The cross sections in the NOI design plans (Attachment B) also indicate the impacts and mitigation. The proposed project impacts and mitigations are shown on the “100 Year Flood Mitigation Map” in Attachment C. Table 1: BLSF Impacts and Mitigation for Southbound On-Ramp Volume (CY) Elevation TO Elevation Fill Cut Net Gain 118 TO 119 0.0 2.4 2.4 119 TO 120 7.0 19.6 12.6 120 TO 121 65.9 68.2 2.3 121 TO 122 175.4 175.8 0.4 122 TO 123 211.4 300.2 88.8 123 TO 124 245.3 328.3 83.0 124 TO 125 281.4 294.1 12.7 Total 986.4 1188.6 202.2 Table 2: BLSF Impacts and Mitigation for Northbound Off-Ramp Volume (CY) Elevation TO Elevation Fill Cut Net Gain 118 TO 119 0.0 0.0 0.0 119 TO 120 22.9 29.6 6.7 120 TO 121 130.9 140.7 9.8 121 TO 122 265.7 290.1 24.4 122 TO 123 353.7 356.7 3.0 123 TO 124 386.4 395.1 8.7 124 TO 125 419.8 444.6 24.8 Total 1579.4 1656.8 77.4 Table 3: BLSF Impacts and Mitigation for Project Total Volume (CY) Elevation TO Elevation Fill Cut Net Gain 118 TO 119 0.0 2.4 2.4 119 TO 120 29.9 49.2 19.3 120 TO 121 196.8 208.9 12.1 121 TO 122 441.1 465.9 24.8 122 TO 123 565.1 656.9 91.8 123 TO 124 631.7 723.4 91.7 124 TO 125 701.2 738.7 37.5 Total 2565.8 2845.4 279.6 A - 13 Notice of Intent Improvements on I-91 Interchange 19 At Route 9 and Damon Road Northampton, MA ATTACHMENT B – MassDOT NOI Design Plans (Under Separate Cover) Notice of Intent Improvements on I-91 Interchange 19 At Route 9 and Damon Road Northampton, MA ATTACHMENT C – 100 Year Flood Mitigation Map O N L Y O N L Y ONLY ONLY ONLY O N L Y O N L Y ONLY ONLY O N L Y O N L Y O N L Y BLSF MITIGATION AREA = 40,273 SF VOLUME = 1,657 CY I-91 Route 9 BLSF IMPACT AREA = 10,999 SF VOLUME = 986 CY BLSF MITIGATION AREA = 14,014 SF VOLUME = 1,189 CY BLSF IMPACT AREA = 14,985 SF VOLUME = 1,579 CY Damon Road Connecticut River N BLSF Impact BLSF Mitigation 100-Year Floodplain Boundary (Elev. 125') 100 Year Flood Mitigation Plan AE (An area inundated by 100-year flooding, for which Base Flood Elevations (BFEs) have been determined Zone 300 Feet 0 600150Northampton, MA Aerial from April, 2013 C - 1 Notice of Intent Improvements on I-91 Interchange 19 At Route 9 and Damon Road Northampton, MA ATTACHMENT D – Erosion Control Specifications & Details 1 Massachusetts Department of Transportation Highway Division Project No. 604597 ITEM 697.1 SILT SACK EACH The work under this item includes the furnishing, construction, maintenance and removal of a fabric sack to be installed in drainage structures for the protection of wetlands and other resource areas during construction. Silt sacks shall be installed at catch basins and drop inlets selected by the Engineer in accordance with the plans and shall remain in place until the placement of binder pavement. The Contractor shall submit the catalog cut of the chosen material for the Engineer’s approval prior to use. The silt sack shall be as manufactured with material meeting M9.50.0 for Subsurface Drainage, Class 1, Elongation < 50% and as listed on the MassDOT QCML, or a fabric that the Contractor submits a catalogue cut for approval by the Engineer prior to use. The silt sacks shall be inspected during and after each rainstorm. Silt sacks shall be cleaned periodically to remove accumulated debris as required. Silt sacks, which become damaged during construction operations, shall be repaired or replaced immediately at no additional cost. Silt Sacks shall be removed from the site at the end of the project. METHOD OF MEASUREMENT AND BASIS OF PAYMENT Silt Sacks will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment, maintenance, disposal of debris, and incidental costs required to complete the work. D - 1 2 Massachusetts Department of Transportation Highway Division Project No. 604597 ITEM 767.12 COMPOST FILTER TUBES FOOT The purpose of this item is to provide a linear, compost-filled tube for filtering suspended sediments from storm water flow. This item shall conform to the requirements of Section 751 and 767 of the Standard Specifications and the following. MATERIALS Material for the filter tubes shall be compost meeting M1.06.0, except that no manure or bio- solids shall be used. In addition, no kiln-dried wood or construction debris shall be allowed. Particle size analysis: 98% shall pass through a 3 inch (75mm) sieve; 30-50% shall pass 3/8 inches (10 mm) sieve. Tubes for compost filters shall be a minimum of 12” (300 mm), a maximum of 18” (450 mm) in diameter. Tube material shall be a knitted mesh with 1/8” - 3/8” (3-10 mm) openings, and made of biodegradable (cotton, jute, or oxo-biodegradable) materials. The Contractor shall submit the catalog cut of the chosen material for the Engineer’s approval prior to use. Additional tubes shall be used at the direction of the Engineer. As shown in the detail, the 12” (300 mm) wide by 2” (50 mm) deep wedge of compost spread along the top of the filter tube shall be incidental to this item. Stakes for anchors, shall be nominal 1” x 1” x 3’ stakes. METHODS Tubes of compost may be filled on site or shipped. Tubes shall be placed, filled and staked in place as required to ensure stability against water flows. All tubes shall be tamped to ensure good contact with soil. The Contractor shall ensure that the filter tubes function as intended at all times. Tubes shall be inspected after each rainfall and at least daily during prolonged rainfall. The Contractor shall immediately correct all deficiencies, including, but not limited, to washout, overtopping, clogging due to sediment, and erosion. The Contractor shall review the location of tubes in areas where construction activity causes drainage runoff to ensure that the tubes are properly located for effectiveness. Where deficiencies exist, such as overtopping or wash-out, additional staking or compost material shall be installed as directed by the Engineer. The Contractor shall remove sediment deposits as necessary to maintain the filters in working condition. The functional integrity of filter tubes shall be maintained in sound condition at all times. Filter tubes that are decomposing, cut, or otherwise compromised shall be repaired or replaced as directed by the Engineer and be incidental to this item. D - 2 3 Massachusetts Department of Transportation Highway Division Project No. 604597 ITEM 767.12 (Continued) Filter tube fabric and stakes shall be removed by the Contractor when site conditions are sufficiently stable to prevent surface erosion, and after receiving permission to do so from the Engineer. All biodegradable tube fabric shall be cut and laid flat in place to decompose on-site at the direction of the Engineer. Tube fabric that is not decomposing satisfactorily shall be removed and disposed off-site by the Contractor. At the direction of the Engineer, the Contractor may rake out and seed compost so that it is no greater than 2” (50 mm) in depth on soil substrate. METHOD OF MEASUREMENT AND BASIS OF PAYMENT Measurement for this item shall be by the FOOT of Compost Filter Tube installed, approved, and maintained in place. Payment shall be the bid price and shall be compensation for all labor equipment and materials necessary to complete the work specified above, including, but not limited to, stakes and tube fabric, compost mulch wedge along top of tubes, removal and disposal of fabric and stakes, raking and seeding of compost. D - 3 D U M P S T R A P DUMP STRAPSEDIMENT COLLECTION SACK 1" REBAR FOR BAGREMOVE FROM INLET C A T C H B A S I N S I L T S A C K N T S C A T C H B A S I N E X P A N S I O N R E S T R A I N T ( 1 / 4 " N Y L O N R O P E , 2 " F L A T W A S H E R S ) D U M P S T R A P S , 2 E A C H INSTALLAT I O N D E T A I L D A T E : S C A L E : E R O S I O N C O N T R O L D E T A I L F E B R U A R Y , 2 0 1 8 N . T . S . D - 4 DIRECTION OF FLOWSECTION VIEW P L A N V I E W - J O I N D E T A I L P R O V I D E A 3 ' M I N I M U M O V E R L A P A T E N D S O F T U B E S T O J O I N I N A C O N T I N U O U S B A R R I E R A N D M I N I M I Z E U N I M P E D E D F L O W . S T A K E J O I N I N G T U B E S S N U G L Y A G A I N S T E A C H O T H E R T O P R E V E N T U N F I L T E R E D F L O W B E T W E E N T H E M . S E C U R E E N D S O F T U B E S W I T H S T A K E S S P A C E D 1 8 " A P A R T . PROTECTED AREA3' MIN. AREA OF DISTURBANCE NOTES:1.CONFIGURE TUBES AROUND EXISTING SITE F E A T U R E S T O M I N I M I Z E S I T E D I S T U R B A N C E A N D M A X I M I Z E C A P T U R E A R E A O F S T O R M W A T E R R U N O F F . 2.TUBES MAY BE PLACED ON THE UPHILL SIDE O F W E L L - A N C H O R E D , S T A T I O N A R Y F E A T U R E S , S U C H A S E X I S T I N G T R E E S O R H E A D W A L L S , I N L I E U O F S T A K I N G . 3.SLOPES LONGER THAN 50 FT. MAY REQUIRE T U B E D I A M E T E R G R E A T E R T H A N 1 2 I N . R E F E R T O M A N U F A C T U R E R R E C O M M E N D A T I O N S F O R S L O P E S L O N G E R T H A N 5 0 F T . 4.TUBE LOCATION MAY BE SHIFTED TO ADJUST T O E X I S T I N G L A N D S C A P E F E A T U R E S , A N D S H A L L P R O T E C T U N D I S T U R B E D A R E A T O T H E M A X I M U M E X T E N T P R A C T I C A B L E . 5.DO NOT INSTALL IN PERENNIAL, EPHEMERAL, O R I N T E R M I T T E N T S T R E A M S . 6.ADDITIONAL TUBES OR STAKING SHALL BE U S E D A T T H E D I R E C T I O N O F T H E E N G I N E E R O R E N V I R O N M E N T A L M O N I T O R . 7.TYPE AND LOCATION OF EROSION CONTROL T O B E C O N F I R M E D W I T H R E S P E C T I V E C O N S E R V A T I O N C O M M I S S I O N P R I O R T O P R O C U R E M E N T O R I N S T A L L A T I O N . 8.INSTALLATION PROCEDURE TO BE SIMILAR F O R A L L T Y P E S . C O M P O S T F I L T E R T U B E N O T T O S C A L E COMPOST FILTER T U B E M I N I M U M 1 2 " I N DIAMETER WITH A N E F F E C T I V E H E I G H T O F 9 . 5 " . TUBES SHALL BE J U T E M E S H O R A P P R O V E D PHOTO-BIODEGR A D A B L E M A T E R I A L , A N D S H A L L BE REMOVED UP O N C O M P L E T I O N O F W O R K . 1" x 1" x 3'UNTREATED HAR D W O O D S T A K E S , U P T O 5 ' A P A R T O R A S REQUIRED TO SE C U R E T U B E S I N P L A C E . W H E N S T A K I N G I S NOT POSSIBLE, S U C H A S W H E N T U B E S M U S T B E P L A C E D O N PAVEMENT, HEAV Y C O N C R E T E O R C I N D E R B L O C K S C A N B E USED BEHIND TU B E S U P T O 5 ' A P A R T O R A S R E Q U I R E D T O SECURE TUBES I N P L A C E . D I R E C T I O N O F F L O W 2'MINLIMI T O F W O R K UN D I S T U R B E D S O I L & V E G E T A T I O N C O M P O S T F I L T E R T U B E ( T Y P . ) U N T R E A T E D H A R D W O O D S T A K E ( T Y P . ) D A T E : S C A L E : E R O S I O N C O N T R O L D E T A I L F E B R U A R Y , 2 0 1 8 N . T . S . D - 5 Notice of Intent Improvements on I-91 Interchange 19 At Route 9 and Damon Road Northampton, MA ATTACHMENT E – Site Photos Looking from Marshall Street to I-91 Bridge, looking northeast. E - 1 Looking from Marshall Street toward Northampton, looking southwest. E - 2 Southbound on ramp, looking southeast from Hubbard Avenue. E - 3 Area between I-91 and northbound off-ramp, site for future Infiltration Basin B. E - 4 Approaching intersection from Calvin Coolidge Bridge, looking southwest. E - 5 I-91 over Bridge Street, looking southeast. E - 6 Site of future Infiltration Basin J, looking south. E - 7 Norwottuck Rail Trail looking northeast to the Connecticut River and Norwottuck Rail Trail Bridge. E - 8 Looking northeast on Bridge Street opposite Sherman Avenue. E - 9 Damon Road looking southeast into intersection. E - 10 Notice of Intent Improvements on I-91 Interchange 19 At Route 9 and Damon Road Northampton, MA ATTACHMENT F – National Heritage and Endangered Species Program (NHESP)  Email from MassDOT to NHESP for filing the MESA Review Checklist  MESA Review Checklist  Letter to NHESP (included Exhibits 1, 2 and 3)  Exhibit 1: Regulated Areas  Exhibit 2: Inland Water Features  Exhibit 3: Cultural Resources & Conservation / Recreation 1 BO-Michael Rieger To:BO-Rob Hicks Subject:RE: Northampton 604597 - MESA Checklist From: Shoukimas, Adam (DOT) Sent: Friday, February 23, 2018 10:02 AM To: Paulson, David (FWE) Cc: Dexter, Timothy (DOT); rwhicks@transystems.com Subject: Northampton 604597 - MESA Checklist Hi Dave, Attached is the MESA checklist and accompanying NOI for the I-91 Interchange 19 at Route 9 and Damon Road project. Essentially, we are reconstructing the I-91 on- and off-ramps and creating a roundabout at the intersection of Route 9, Damon Road, and the NB off-ramp. Please let me know if you need any additional information. Thanks. Best, Adam Adam Shoukimas Environmental Analyst MassDOT - Highway Division Environmental Section - Wetlands 10 Park Plaza - Room 4260 Boston, MA 02116 (857) 368-8791 adam.shoukimas@state.ma.us F - 1 F - 2 F - 3 F - 4 F - 5 F - 6 F - 7 Notice of Intent Improvements on I-91 Interchange 19 At Route 9 and Damon Road Northampton, MA ATTACHMENT G – Flood Insurance Rate Map (FIRM) G - 1 Notice of Intent Improvements on I-91 Interchange 19 At Route 9 and Damon Road Northampton, MA ATTACHMENT H – Stormwater Report (Under Separate Cover)