6/25/2009 CONSERVATION COMMISSION Minutes

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Motion made, seconded and unanimously carried to Close and Issue. 7:18 John Mates, 1 01 S 3-2555-53 Hoophole Ind.) (Seasonal freshwater dock-ATF) (Continued from 5125109) Chairman Fitzsimmons recused himself, leaving the Commission short of a quorum. The Rule of Necessity ity was invoked by the remaining Commissioners so the project could be heard. Jack Vaccaro represented the applicant requesting a permit for a seasonal dock which has been removed. The dock is located on John's Pond and a concern regarding the possibility of the existence of a rare freshwater mussel habitat has since been resolved with Natural Heritage. A rare mussel survey was conducted identifying ing a habitat f two species, but in the area f sleeper waters across from the dock. letter from y Natural Heritage has been included in the file. Mr. Vaccaro described the dock as light weight aluminum on wheels allowing storage on the south side of the house. The applicant is requesting permission to deploy the dock on a seasonal basis. Agent.McManus recommends a Close and Issue. Motion made, seconded and unanimously carried to Close and Issue.' 7:24 Town of M sh ee,N01 SE 43-2575-16 Great Leek Road South) (Installation of Earth Rib Module in the interest of storm damage protection at South Cape Beach) (Continued from 5/14/09) } Sara Hang of ocean & Coastal LrIgineering addressed the Commission regarding the pilot test project that will use the Earth Rib Module to protect the existing town parking lot at South Cape Beach and assist the current nourishment project. The Earth Rib Cell Modules will be installed in front ofthe parking lot to create a berm that is designed to the 10 year storm elevation. The module is built to 6.5 feet and with sand cover will total 8 feet, to include 1.5 feet of sand so that the module will not be seem. The parking ing lot is at 6 feet and the bean will be a height of 8 feet, but will not obstruct the view. In order to protect the berm, it was proposed to add sand fencing along with walkways to allow access for the public, 3 in front and one on each corner. Catherine Laurent of the DPW clarified that vehicle access may b necessary for beach raking or emergency vehicle access. Ms. Laurent further stated that the boardwalk proposal Beard earlier would be incorporated into this project. Ms. Ham rated that the polymer units would create minimal impact to the environment and although each unit weighs just 40 lbs., the addition of sand increases the weight to 1 ton each. Agent McManus questioned the project intended in Plymouth. IVIS. Hare confirmed that the units were intended for a project in Plymouth, and were approved and permitted with a DEP superceding order. The project did not move forward so the units have been donated to 1Vlashp e. Ms. Laurent further stated that the inventor of the technology is a resident of Masbpee. The DPW will install the structure. Agent McManus clarified that should the unit be ineffective,, the structure would be removed with no impact to the area. Agent McManus also indicated that the project may preserve the parking lot and save the town maintenance expenditures to clear the parking lot. Natural Heritage has signed off on the project and sloes not consider it to be a take on the piping plover agreeing that there would be no adverse impact. Agent McManus does not yet know DEPs opinion. Ms. Laurent noted that a successful test was conducted in New Jersey. Stephen van Tol questioned the difference of using this system compared to a rip rap wall. IVIS. Laurent responded that this system would be buried beneath the sand, that the system is interlocking and provided to the town at no cost. Agent McManus added that the system will trap sandpreventing the undercutting that has occurred to the parking lot. Motion made, seconded and unanimously carried to Close and Issue, 7:2 Trust of Cotuit Bay Condominiums, NOI (SE 43-2554-418 Quinaquissett Avenue) (Vista pruning for condo units) (Continued from 5125/09) Brian wall, the attorney representing Cotuit Bay Condominiums, addressed the Commission regarding the vista pruning request. At the April Bearing, Commissioners indicated that the project would be 4