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HomeMy WebLinkAboutPeer Review 6.29.2022A TRC Company TRCcompanies.com June 29, 2022 Ms. Kathy Williams, PE, Town Planner Town of Yarmouth Conservation Commission 1146 Route 28 South Yarmouth, MA 02664 Re: Two Twenty Five White’s Path Units Two and Three, LLC Technical Stormwater Peer Review 225 White’s Path, Yarmouth ESS Project No. 495497 Dear Ms. Williams, ESS Group, Inc. (ESS) has completed a technical stormwater peer review of the response to comments prepared by CHA Consulting, Inc. dated June 16, 2022. The goal of the review was to determine if the application is technically complete and to evaluate general compliance with the Yarmouth Stormwater Management Regulations, effective July 1, 2021. The following PDF documents prepared by CHA Consulting, Inc. were reviewed: 1. Site plans titled “Site Development Plans; 225 White's Path, Yarmouth, MA”, revised June 15, 2022 2. Draft NPDES SWPPP, revised June 2022 3. Stormwater Report, revised June 15, 2022 4. Long-Term Stormwater Pollution Prevention and Operation & Maintenance Plan, signed May 23, 2022. The June 7, 2022 review comments are provided in italics below, followed by a review of the designer’s response. Previous comments that have been adequately addressed with no further comment are excluded for brevity. Yarmouth Conservation Commission Stormwater Management Regulations 2.05. Stormwater Management Performance Standards (2) (d) Restrictions on the application of fertilizers… The 7 items of this subsection should be included in the fertilizer section of the long-term Operation and Maintenance plan for future reference by O&M personnel. CHA states, “The Long-term Operation and Maintenance Plan has been updated to include the seven items of the subsection. Please see the O&M plan in Section 2 of the revised Stormwater Report.” However, the O&M plan provided has not been revised. It is recommended that the applicant provide a revised O&M plan prior to approval. A TRC Company TRCcompanies.com Ms. Kathy Williams, June 29, 2022 2 495497 Whites Path SW Peer Review 2 Checklist for Stormwater Report B. Stormwater Checklist and Certification Registered Professional Engineer’s Certification The checklist should be stamped and signed by the Professional Engineer. CHA states, “The checklist is stamped and signed by a Professional Engineer. Please see the checklist included in the Stormwater Report.” However, the checklist provided has not been stamped and signed. It is recommended that the applicant provide a stamped and signed checklist prior to approval. Findings Based on a review of the documents listed above, it is ESS’s opinion that the application is in general compliance with the Yarmouth Stormwater Management Regulations and, with two exceptions, technically complete. It is recommended that the applicant provide a revised O&M plan and stormwater checklist prior to approval as described above. Further peer review is not warranted for these minor submissions. Please do not hesitate to contact the undersigned with any questions at jgold@TRCcompanies.com or 781- 419-7726. Sincerely, ESS GROUP, INC. Jason M. Gold, P.E. Manager, Civil/Site Engineering