Park Hill Rd Stormwater Permit 2018-09-27City of Northampton Department of Public Works STORMWATER MANAGEMENT PERMIT APPLICATION DECISION Project I Site Name: Syncarpha Northampton Solar Project Project Street or Location/ Assessor ID: Park Hill Road, Northampton, MA / 049-012-001 Applicant Name: Syncarpha Solar, LLC Applicant Address/Phone: 250 W. 57th Street Suite 701 New York NY/ 212-419-4840 Owner Name: Kenneth C. & John H. Burt & JKB Farms Inc. Owner Address/Phone: 41 School Street Hatfield MA 01038 Application Submission Date:~9~/~l 4~/=2=0=18~-------------------THE FOLLOWING ACTION BY THE NORTHAMPTON DEPARTMENT OF PUBLIC WORKS HAS BEEN TAKEN ON THIS APPLICATION BASED ON INFORMATION PRESENTED: Disapproval of the Stormwater Management Permit Application based on a determination within seven days of the receipt of the application that the application is administratively incomplete (see attached documentation). Approval of the Stormwater Management Permit Application. _x_ Approval of the Stormwater Management Permit Application subject to any conditions, modifications or restrictions required by the Department of Public Works (see below) __ Disapproval of the Stormwater Management Permit Application based upon a determination that the proposed plan, as submitted, does not meet the purposes set forth in the Northampton Stormwater Management. Standard Permit Conditions: 1. All clearing, grading, drainage, construction, and development shall be conducted in strict accordance with the following plans and infmmation submitted with the application and as amended by any conditions attached to this permit: a. Plans to Accompany Permit Documents for Syncarpha Nmihampton Solar Project, Park Hill Road, Northampton, MA, Sheet Cl.O dated 5/31/2018 and Sheet Cl.I dated 8/8/2018 stamped by Daniel F. Stasz, RLS, Northeast Survey M:\Stormwater Permits\Park Hill Rd_Syncarpha Solar\Park Hill Rd_Stonnwater Permit_20180927.docx Page I of3
Consultants, Sheets CO.I, Cl.2, Cl.3, C6.0, C7.l, C7.2, C7.3, C7.4 dated 8/17/2018 and Sheets CO.O, C2.0, C4.0, C5.0 dated 9/10/2018 and Sheets C3.0 and C7.0 dated 9/25/2018 stamped by Todd P. Morey, P.E., Beals Associates Inc. b. Stonnwater Management Report, Syncarpha Northampton Solar Project, Park Hill Road, Northampton, MA, dated 8/17/2018, prepared by Beals Associates Inc. c. Letter from Devin P. Howe, E.I.T., Beals Associates Inc, to Northampton DPW re. Syncarpha Solar Project, Park Hill Road, No1ihampton, MA, Stormwater Management Watershed Revisions, dated 9/13/2018. d. Revised Predevelopment and Postdevelopment HydroCAD drainage calculations, dated 9/13/2018, prepared by Beals Associates, Inc. e. Drainage Calculations for Syncarpha Nmihampton Solar-Maintenance Road Trench, dated 9/26/2018, prepared by Beals Associates Inc. 2. The Northampton Depmiment of Public Works (DPW) or its authorized representative shall be provided access to the prope1iy to conduct inspections before, during, and after construction activities as necessary. The applicant slnall arrange with tlnc ])PW to schedule the following inspections: Initial Inspection, Erosion Control Inspection, Bury Inspection, and Final Inspection. The DPW may also conduct random inspections to ensure effective control of erosion and sedimentation during all phases of construction. 3. The owner shall retain the design engineer to document the construction of proposed stormwater infrastructure. The design engineer shall check elevations, inverts, layout, materials and other critical aspects of the system as they are being constructed. At the completion of the work, including conshuction of stonnwater management facilities and landscaping, the applicant shall submit to the DPW as-built plans stamped by a professional engineer of record in the Commonwealth of Massachusetts and a statement from a professional engineer of record in the Commonwealth of Massachusetts certifying that the materials and construction of the stonnwater management system was constructed in accordance with the approved plans and will function as designed. All changes to the approved storm water facilities shall be documented by a professional engineer ofrecord in the Commonwealth of Massachusetts and approved by the DPW prior to submission of as-built plans and the ce1iification statement described above. The preparation of as-built plans requires routine inspections and surveying of stormwater system components while they are being consh·ucted. 4. Annual Reports that are stamped by a Registered Professional Engineer documenting the actions completed as required by the Operation, Maintenance and Inspection Agreement shall be submitted to the Northampton Department of Public Works by October 1st of each year (see Specific Condition 1 below). 5. If construction of the proposed stmmwater system has not stmied within five years of the issue date of this permit, then the permit will expire and a new pe1mit will be required. Construction is defined as clearing, grading, excavation, filling, and installation of drainage structures on the lots specified in this permit. M:\Stormwater Pe1mits\Park Hill Rd_Syncarpha Solar\Park Hill Rd_Stormwater Permit_20180927.docx Page 2 of3
Specific Permit Conditions: 1. Prior to the start of construction and issuance of a Building Permit, the applicant shall record an executed Stormwater Operation, Maintenance, and Inspection Agreement that is binding on all subsequent owners of land served by the private stormwater management facility by recording it in the land records of the Registry of Deeds. The maintenance schedule and responsibility for maintenance of all components of the proposed stormwater management system must be adequately specified in Attachment A to this Agreement. The draft Stmmwater Operations and Maintenance Manual that was submitted as pait of the Storm water Management Report referenced above can be used for Attachment A but must be revised to include additional items including but not limited to: 1) inspection and maintenance of the proposed stone trenches and 2) ongoing inspection and maintenance throughout the site of erosion and concentration of flows in rills and gullies that may result from the flow of stonnwater off of the solar panels. This agreement shall be approved by the No1thampton DPW and signed by the owner and the Mayor ofNmthampton. The Northampton Stormwater Management Ordinance (Chapter 281) provides additional guidance for the requirements of this agreement. 2. This project will be required to submit a Notice ofintent (NOI) to the U.S. EPA for coverage under the NPDES Stonnwater Construction General Permit. A copy of the final NOI and Stormwater Pollution Prevention Plan (SWPPP) shall be submitted to the No1thampton DPW for approval prior to the start of construction and prior to issuance of a building permit for each phase of construction. 3. Prior to the start of construction and prior to issuance of a building permit, construction plans shall be submitted to the DPW for approval. 4. The proposed project and stormwater management system is designed to mitigate peak storm water flows and discharge clean storm water. If, after construction of the proposed system, the system is found to increase stormwater flows or result in the discharge of sediment or other pollutants to adjacent prope1ties, to resource areas or to municipal roadways and drainage systems, the owner shall redesign and reconstruct the drainage system to prevent increased stormwater flows and the discharge of pollutants. cc. Planning Board c/o Office of Planning and Sustainability Conservation Commission c/o Office of Planning and Sustainability Building Department M :\Stormwater Permits\Park Hill Rd_ Syncarpha Solar\Park Hill Rd_Stormwatcr Permit_ 20180927.docx Page 3 of3