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Mashpee Conservation Commission <br /> Meeting f August 13 19 <br /> Page 4 . <br /> Ms. Fantozzi stated the enforcement Order will be kept entirely sep. <br /> arate. <br /> John advised the order still outstanding requires r evegetation. He <br /> 5 <br /> stated concern with weathercausing further deterioration. <br /> Nis Fantozzi stated filing will be back in -�3 weeks• <br /> : 15 New Seabury Corp. Request for Determination of Applicability <br /> on a proposal to install leaching catch basins at Maushop Village. . <br /> Jack Brown with Jim Pavelick. presenting. A detailed design was <br /> presented. Requested is a revision to an existing drainage system <br /> about 15 acres in size, 32 leaching pits , 2 catch basins, one 64,000 <br /> and -one 82 ,000 capacity. Some of the leaching pits are interconnected <br /> t the separate catch basins and some only interconnected .to themselves. <br /> All driveways are shell and bark mulch which adds to runswoff control. <br /> The storm of 1985 did damage to the bluff causing a basin to back u <br /> far enough to overflow at a leaching pit. New Seabury has watched <br /> the basin and when it begins filling up,. they do haybale work an <br /> have it pumped to another area, <br /> Mr. Brown stated he did not know to where it was being pumped when <br /> asked by Mr. - Rosenberg. John stated he would like this answered also. <br /> Nix. Brown stated that to date the only work that has been done ison- <br /> cerned with limiting the run-off towards these basins. An in-."depth study <br /> was done bar Hayes Engineering. Following their recommendations, this <br /> material lay-odown area of 3/4 acre was done away with which changed <br /> high percentage run--off to low percentage run- off. when Maushop <br /> was developed, particular pains were taken to see that no additional <br /> run� f f was added in this d ir'ec tion. To do that, they graded mostly <br /> away. Calculations were that two leaching pits were needed, they put <br /> in three. They are proposing to tie in with an 8 inch l ime to come off <br /> down Clam Shell Road a s - a leaching pipe the last 100 feet and go into a <br /> lot x 10 , x 3 ' deep leaching basin, This adds to the entire system cap- <br /> acity, adds 3900 gallons storage total capacity and adds 2400 gallons <br /> per day leaching capacity, F <br /> Mr. Brown stated an FDA is reaves ted 'as the system is 145 feet from the <br /> coastal bank. It is recognized should overflow occur it will affect <br /> the coastal bank, However, this. area is already included and can be <br /> repaired under an existing order of conditions, S843-m39 , for beach <br /> nourishment. Also pint into the procedures and will be continued is <br /> to watch for overflow in the system at which time precautions will be <br /> taken,, <br /> t was noted the owner, lir. I ocera, has been notified and an easement <br /> is in hand down Clam Shell Road,, as required. <br /> John questioned the type of storm event and Mr. Brown stated the storm <br /> that caused the damage was referred to by different newspapers as either <br /> 25 year or 50 year. The ground level at the basin is 22 and goes to 30 , <br /> hn stated he views this as damage control to be used in a worst vase <br /> scenario, The actual project will be relatively close to the, coastal <br /> bank, No actual vegetation will be removed, <br />