3/10/1988 CONSERVATION COMMISSION Minutes

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t TOWN OF MASHPEE CONSERVATION COMMISSION • r P.O. BOX 208 NMP , MASSACHUSETTS 02649 Preamble. 10.54 1 Bonin: 'Banks are likely to be significant to public or private water supply, to flood control , to storm damage prevention, to the prevention of pollution and to the protection of fisheries and wildlife habitat. Where Banks are totally or partially vegetated the vegetation serves to maintain the Banks stability, which in turn protects water quality by reducing erosion and sit tion" 10.54 "Presumption. Where a proposed activity Involves the removing, fillein, dredging or altering of a Banc, the issuing authority shall presume that 18c afij is significan to the interests specified." move Ilenera 1 Performance Standard. (a) Where the presumption set forth above is not overcome, any proposed work on a Bank shall not impair the collowing; 1 , the physical stability of the bank. The existing stairway down the property already the site f an erosion problem. if I am to understand the applicant correctly, they will be replacing the e istiong steps with wooden timbers and doing 'some re- vegetation. The slope of the upland property contributes to the runoff problem down the bank and I do not see this project as a solution to this problem, I believe that the disruption of the bank to place in timber steps would decrease the stability of the Bank by loosening the soils and disrupting root systems. Without designing the project I would suggest an elevated stairway, with plantings and some fill where necessary) held down • with a biodegradable fabric to keep the bank stable while the root structures take hold. The upland area should be looked at for possible measures to control the amount of runoff. As the project has been presented I would suggest a Positive Determination, Trustees of Reservations- The path will be out through the buffer zone along the Mashpee River and rear Trout Pond. "Activities Within the Buffer Zone: Any activity proposed or undertaken within 100 feet" of a resource area" which in the judgement of the issuing authority will alter an Area Subject to Protection Ander the Act, is subject to regulation.# .11 The 41 wide path in ray opinion will not have an affect on the resource areas. The two ramps proposed to cross the brooks fall within CMP 10.55 Land Under Water Bodies and waterways, and 10.54 Banks. Without foot ramps to pass over these areas erosion will occur from foot 4 traffic. If the proposed walkways are elevated, have one inch spacing, and extend several feet past the edgqs of the Bank, I u 1 d r c ori end a e et i ire Determination n tion as the project will meet the ner� g e r rrn. Standai