7/28/1988 CONSERVATION COMMISSION Minutes

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TOWN OF MASHPEE CONSERVATION COMMISSIONr P.O. BOX 208 MASHME, MASSACHUSS 02649 i I 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 Barks stability, which- in turn protects water quality by reducing erosion and si t tion 10.54 3 "Presumption. Where a proposed activity involves the removing, fillein, dredging or altering of a Bank, the issuing authority shall presume that 18c94 afil is significan to the interests specified." (above) "Genera l Performance Standard. (a) There 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 of ars erosion problem, If I am to understand the applicant correctly, they will be replacing the existing 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 an disrupting root- systems,stems. Without designing the project I would suggest ars 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 l would suggest a Positive Determination, Trustees of Reservations: The path will be cut through the buffer zone along the Mashpee River and near Trout Pond. "Activities Within the Buffer Zone: Any activity proposed or undertaker within 100 feet" of a resource area" which in the judgement of the issuing authority will alter an Area Subject to Protection Under the Act, is subject to regulation.. ,11 The 4' wide path in my opinion will not have ars affect on the resource areas. The two ramps proposed to cross the brooks fall within CMR 10-56 Land Under later Bodies and waterways, and 10.54 Banks. Without foot ramps to pass over these areas erosion will occur from foot traffic. If the proposed walkways are elevated, have one inch spacing, and extend several feet past the edg s of the Bark, I wgld r cKemrTorm. a e eti Determination as ro ect will meet the nend theraI J pStar