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{ <br /> minutes of Conservation Commission <br /> anuaty 4, 1984 Page <br /> like to reinforce that. She said some of the other questions they had <br /> on the plan itself related to actual datum references and references o <br /> elevation. Miss Collins said that when you are working in the beach en- <br /> viroriment, you have to key -things in under permit' regulations to mean <br /> high grater, Lean low water, spring high water and those kinds of things. <br /> In order to do that, there has to be established data. She said that <br /> Mr. Joy referenced mean high water as 2.6. She commented that they were <br /> hard put to find datum and references to those particular points. <br /> Miss Collins said that they were interested as -to what the construction <br /> method would be and now they understand that it will be a pumped-type of <br /> operation with cement trucks at the top of a .coastal bank and down. She <br /> said that since they have had problems in locating some of their heavy <br /> machinery at the top of- a coastal bank, they would like a little more <br /> spec' fication as to how close they will be and what the Commission will <br /> allow and if not, what the construction method on the beach will actually <br /> be., as far as the impact of the salt might have. <br /> Mi es Collins said that if this wall is allowed t6 be constructed, there <br /> doesn' t appear to be a plan for access for pedestrian usage of the beach. <br /> She said unless they are channeled in some way there could be -a potential <br /> impact on the face of the bank and the vegetation, <br /> Another concern of Miss Collin' s was the aesthetics and whether--or not a <br /> more natural rock type structure would blend in better. <br /> In answer to Miss Collin' s concerns , Mr. Joy said that he was a little bit <br /> surprised that she shored up tonight be�oause they are proposing this on <br /> lard owned by New Seabury. He said that he talked with a representative of <br /> New Seabury extensively about the wall and they never expressed any of the <br /> things mentioned to him* <br /> Mr. Joy said that with respect to the comment made about a vertical faced <br /> wall that it is not 'a vertical faced gall. He said that it is a c r agated <br /> faced wall and that it does not act in the same manner as a vertical-faced <br /> wall does. He said that they know from experience that they do not get <br /> erosion from this type of exposure from this type of a gall. He said that <br /> this particular design has evolved to overcome the things that Diss Collins <br /> is concerned about. <br /> With respect to the beach nourishment program, Mr. Joy said that he had no <br /> objection to nourishment. He said that from a practical point of view that <br /> for a section like this , the nourishment is only a passing thine and for <br /> that reason they have not tried to design a wall to require nourishment, <br /> With regard to run- off, Mr. Joy said from what he has observed during rain <br /> storms, there isn' t much run-off at the top of the barik. He said with the <br /> two developed lots, there are lawns and an extensive row of bushes. Ije <br /> commented that the lots slope toward the street. i . Joy said that the <br /> ground has a certain amount of percolation to it. He pointed out again that <br /> there would be weep holes in the wall, <br /> i <br /> t <br />