9/12/2013 CONSERVATION COMMISSION Minutes

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i L jurisdiction. He noted that the Commission's practice is to allow the hearing to take place and render a decision, but to delay releasing the Order of Condition until receipt of a letter from rational Heritage. Ms. harden said the access is through the New Seabury Golf Course which is already permitted for beach nourishment for New Seabury, all Seaside village Homeowners and for the golf course. She said that it is understood there could be a time of year that the access would not be available. Agent McManus said from his own personal observation of the New Seabury project it has been working quite well so far and has held up very well. Ms. Marden said it has survived Hurricanes Sandy and Irene. Agent McManus said the Commissioners should talo into consideration the New Seabury project and hove it has been performing. He said understanding this is an experimental approach and depending� n the size and severity of storm, it is anticipated there is a shelflife to such a project. It is going to need repair, maintenance, monitoring, etc. If the Commissioners decide to approve, protocol can be put in place which allows the Commission to have proper monitoring. Agent McManus recommended to close and issue. In response to several questions from the Commissioners, I Is. Marden reviewed the plans noting that the beach nourishment and maintenance would be part of the Order of Conditions. She also commented that a civil engineer will be designing a set of stairs for the Pinchin property. She also reviewed the beach nourishment plan and how the excavator will get the sand on the bank. She repnded to a question about whether they could use planted rolls on the top in order to restore the top of the bank. Once the project is constructed, she would work with Agent McManus to pick out the appropriate plants and she would look into getting vegetated rolls. She explained that if piles are too low, there will be constant interaction between the waves and the lower part of the project and the piles will be torn apart. The sand is still moving through the piles because the waves are going in and. out. She said she did an analysis n homer the-beach fluctuates. I . Marden also noted the beach retreated 25 feet on Michael Southwick' property and 2 feet on David Pinchin's and on. 30 feet on the Liats s' property. In a three-year period, 111,000 yards of sand was lost along with the natural portion of the bank. She estimated that the top of the bank was er ding a foot or two a year and super storm Barely took about 25 feet. This project is substantial to everybody and the beach should be protected over time. Public Dan Cooper, representing the applicants, said they would welcome a Condition that would require that the piles be covered and if planting rolls are botanically possible, they would be happy to do that. IIs. Marden clarifiied that between April 1 and August 31 there is no guarantee that the piles will remain covered. Natural Heritage may prohibit use ofthe beach during that time frame.