09/13/2012 CONSERVATION COMMISSION Minutes

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transport equipment. The Board had previously thought the best way to proceed was with an MO between the State and the Commission. At that time, they wrote up the Mou but at some point, DEP preferred it going through as an Nol. The project itself is for an elevated boardwalk which WBNEI I constructed and there was no excavation or fill. There are no footings in the marsh ars it sits on mirk orates and the walkway is made from lobster trap wire. The problem with this project which is with MBL, ` the University of Rhode Island and USGS is that the gas analyzers that they need to take onto the marsh weigh over Zoo lbs and there was no way to get the equipment down onto the marsh. They are studying carbon sequestration and salt marshes long term carbon budgets. Mr. F assman states that most of the boardwalk has already been constructed because they had thought they were going to do the Mou process which DEP and Natural Heritage were aware of. They are already one year into the project which will end next year and everything will be removed. Because it sits on milk orates, it has the ability , to pool off if a storm event occurs. Mr. Rassman states that it meets light penetration. Mr. Gurnee asks if this design has been used before and Mr. Rassman says that it is a new design and there is an actual interest from the standpoint of such thine like oil spill cleanups. Mr. F a sman states that this boardwalk is not for public use and there are signs posted that say"Research Area". Motion made, seconded and unanimously carried to Close and Issue 7:06 Nathan lr al wski **043-2706 Waterline south Drive) Construct home addition & buffer strip restoration — NOI Resource Area: LSCSF, Buffer Zone to BVW, salt Marsh Material submitter: Proposed Addition 8117112 BSS Design 19. Jack Vaccaro from Vaccaro Environ rnental Con u[ting is presenting for the homeowner and explains that they would like to construct an addition on the back left corner of the dwelling. Mr. Vaccaro states that they are proposing mitigation to compensate for the increase in building footprint within g' of the wetland. It is approximately 900sf. of border plantings and native shrubs that will be planted essentially in the entire area that's available between the dock and across the backyard and along the westerly sideline of the house. The portion of the proposed addition that is closest to the wetland will be supported on posts. Mr. Gurnee asks what the lot coverage is and Mr. Vaccaro states that the upland lot coverage is about 27% and says that cluster subdivisions are allowed 30%. Lotion made, seconded and unanimously carried to Close and Issue 7:09 Martin Clark **043-2705** Cayuga Avenue) Installation of new seasonal dock to replace existing wooden dock I Resource Area: Land Under Water, Bordering Land subject to Flooding Material submitter. Plan of DockReplacement 8113112 Cape & Islands Engineering [25-,45] Jack Vaccaro from Vaccaro Environmental Consulting is presenting for the homeowner and explains that they would like to replace an existing wooden dock with a seasonal dock that will be installed on permanent concrete footings with a 2" pipe. The reason for the concrete footings is because the dock is located in an area containing rare mussel habitat. Mr.-Slavinsi from Carpe & Islands Engineering explains that this design comes direct from Natural Heritage. Motion made, seconded and unanimously carried to Close and Issue 7:12 Robert Diverd i **043-2.709**.(246 Monomoscoy Road) Demo/Rebuild single family home with paged driveway neer Title 5 septic system. Existing cesspool will be filled with sand and abandoned - NI Resource Area: LSCSF, Buffer to Coastal BanklSalt Marsh Material,submitted: Proposed Site Plan 8129112 Cape & Islands Engineering 1 Existing Conditions 8129112 Cape & Islands Engineering 2