12/13/1990 CONSERVATION COMMISSION Minutes

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� 3PFECONSERVATION Co MSSIO OF DECEMBER 13, 1990 Commissioners present: Patrick Coffer, Gertrude Sons,, Duncan York, Louise Behrman, Frank Homeyer. The meeting was called to order at 7:00 p1m. oo COLONIAL GAS, dnaquisset Ave. , continued hearing. 14r. Sherman advised he did not see any problems with the project; one area of-erosion is not a concern. The grass is growing and the netting is down. OU# Motion made and seconded to close the hearing. Unanimous vote. `AR CLOSED. 7:15 WTrLIAM SULLIVM, Lot 6 Daniel's Island Road, Request uest for amended order to permit demolition. Louise Behrman stepped down, Atty. William Hench r, William Sullivan and William Holmes were present for the hearing. Abutter receipts were presented and two letters from abutters favoring the project were provided. The plan of record was reviewed. Mr. Henchy advised what is existing is shown on the plan in red, proposed and allowed under the order of conditions is in blue. There was an administrative oversight wherein the Commission did not fully realize there was to be demolition. Mrs. Simons stated the word „demolition#' was never used in any previous presentation. Mr. Henchr -stated it was always contemplated. The back wall is the only portion to remain. Haybales have been staked in place and a snow fence has been placed along the perimeter of the limit of work, them have been no other alterations to the site. They are not seeking any change to the site plan and would be amenable to any addit- ional conditions the commission wishes to put on in terms of demolition. It is proposed to park a crane with a 40 foot boom on the upland side of the property and to remove the old structure with a clamshell bucket entirely within the footprint f the existing structure as shown on the plan. The debris material will be off- laded immediately into a 30 foot trailer to be parked on the site and removed to a proper disposal area. Work to be completed in two days and the Commission to be notified prior to demolitioh. Concerning the foundation, Mr. Holmes advised they will leave the existing front wall and slabs below grade, shore up the existing wall and pour around it. Mr. Homeyer asked if there would be any excavating and was told the slam i's below grade which will be removed as it is lower than the new floor will be. There will be a 5 foot crawl space. They will excavate within the blue Lines to put up walls. Mr. Coffey stated the town does not have anything to cover the difference between remodel and new con tr ction; bulldozing one to the ground and below, or clamshelling with a crane is something the town ought to take a look at but as the bylaw stands, this is a remodel technically, but is a new home otherwise. Mr. Holmes advised any soil removal will be on a temporary basis. They are going upland with a rubber-tired excavator. The grade falls away looking at the house from the shoreward side so excavation becomes less and less over to the left hand side. The garage will be slab on grade. The volume of dirt will be slight and can be stored upland, most of it will remain on site; none will have to be brought in. The first 15 feet, where it 'sas proposed deck, will be encapsulated and remain.