5/25/1995 CONSERVATION COMMISSION Minutes

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standards of the Act, as well as the bylaw. There is an encroachment of the 50 feet by the proposed drive. They are suggesting plantings and mitigation that more than adequately addressed the 512 s,f. encroachment. Robert Gray advised he prepared a report and outlined the v resource areas involved: An abandoned cranberry bog system; salt marsh system; the lower portion has an isolated wetland, flood zone and coastal bank situation. The flood zone affects two coastal banks. Mr. Sherman stated this is one of the most complex sites. He does not think the coastal bank is delineated properly. Mr, Gray did not do the delineation and will have to check with Wayne Tavares, i i r* Fitzsimmons stated the coastal bank is north of where they are showing it. To be verified. Mr. Gray advised the red line is the 50 foot setback off the salt marsh system,. He recognizes the Commission tries to maintain the 50 foot setback for wildlife habitat value. At the time the plan was received, the driveway cane in at different Location. This is a better Mace to put the driveway to preserve wildlife habitat for much greater species diversity. The other factor is the wooded swamp and he suggested Thr, Tavares realign the road for a corridor between the two points. The house is back 50 feet at all points, There is 57 s. f. of driveway inside the 50 foot buffer. An additional area will have to be impacted; 512 s.f. of impact in the buffer zone, After the initial study was done, he was asked to look at the possibility of a house where the top of the coastal bank comes in. The slope coming down into the wetland ranges30- 35 into the Bvw,, o with some of the transects, He worked with the footprint of the Donovan house, Part of the house extended through part of the bank. To cut into the embankment is to put both wetland systems at risk. One plan had associated rip-rap, At the location proposed, grade is 0-4% , Where is no real erosion problem with this . From a regulatory standpoint, he could not recommend cutting the bank, which was addressed in the report, Mr, Sherman agreed it would be a mistake to to anything involving cutting into those slopes. He did an outline of the proposed Donovan house, same square footage, and there was no problem with it fitting in. No one has explored the possibility. Mr. Gray put an overlay on the plan; a good portion of the house would necessitate a cut if orientated* Mr, Fitzsimmons stated that is because it is a different footprint.