9/27/2018 CONSERVATION COMMISSION Minutes

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Discussion: Matthew Costa, Cape & Island Engineering, CCA pressure-treated piles: request of the Commission Matt Costa, Cape & Island Engineering, stated he was requesting that the board temporarily from one year of the date of their approval allow CCA pressure-treated piles. He said the reason is that they are getting a lot of feedback from contractors that reasonably priced alternatives are very hard to find and it is creating a hardship. The pilings are getting very expensive due to the tariffs going on. There are substantial pricing increases across the board and the most cost-effective way is to go with CCA pressure treated. He noted Brewster and Barnstable has done this. Following a discussion, it was agreed Mr. Costa would put something in writing comparing different materials and information on pricing along with a statement from Rick York, Department of Natural Resources. 6:24 Robert S. & Martha Johnson, 6 Jehu Pond Road. Proposed removal/reconstruction of pier, ramp, float, concrete boat ramp, retaining walls and bulkhead; creation of view corridor with vista pruning; hardscape/landscape modifications. Continued from 9/13 – applicant to submit revised plan (retaining wall) NOI ACEC, (MHW), LSCSF, Coastal Bank, Land Under Ocean, Salt Marsh, BVW Matt Costa, Cape & Island, represented the applicants. He noted this was continued and at the last hearing there was a lot of discussion on the extension of the retaining wall along the shore line. They did a site visit to evaluate the situation and look at alternatives. He reviewed the area of the wall on the plan provided and noted where they are taking out the old wall and continuing the wall along the shoreline. He noted the area where the wall was a concern with the bank. They are proposing to stabilizing the bank by a sheet piling wall and by using duck bill anchors. This is an intrusive solution that will solve the problem and protect the salt marsh. He reviewed the removal/reconstruction of pier, ramp, float, and concrete boat ramp. He noted they will be taking down the pine tree and replant behind the wall and put a new landscape walkway down to the lower level. The Agent noted the boat ramp stakes will be brought in a little tighter. He said he suggested because of the proximity of work to the salt marsh that during that process there be a consultant on sight to monitor the construction of the wall so we are assured the salt marsh is protected. The debris on site will be removed which will be included in the order of conditions. There was a discussion regarding the Agent’s request to have a monitor during the construction period of the sheet pile wall to monitor construction to ensure compliance with the order of conditions at the homeowner’s expense. It was decided the Conservation Department would select an environmental monitor to monitor this portion of the project enough to capture the scope of construction. The details will be left up to the Agent. No Comment from the Public Motion: Mr. Sweet moved to Close and Issue with the condition that the Agent recommend a construction monitor wetland consultant for this project. Seconded by Mr. Smith. Vote unanimous 4-0 6:27 Douglas Mann and Joan Grant-Mann, 14 Magnolia Lane. Proposed hazardous Resource Areas: Freshwater Wetland, Inland Bank