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MINUTES LEXINGTON CONSERVATION COMMISSION 5/9/00 PAGE 3 With the applicant's approval, it was moved, seconded and voted to continue the hearing to May 23 at 8.30 p.m. Reed's Brook Project, Arlington - Ms. Nordby reported that DEP has done the testing and the report is on file in the office. The conclusion is that contaminants were below their applicable MCP reportable concentrations except in one area. 109 Maple Street - Mrs. Miller reported that the Commission met on site with the owner, Mr Minassian, who wants to do some tree clearing on his property within 59 feet of the brook. It was decided that the Commission will permit the trees that were inspected to be removed. Staked hay bales must be installed along the bank of the brook prior to this work. Once completed, a buffer planting shall be installed along the edge of the brook to stabilize the embankment. Mr. Minassian was agreeable to this on site. A confirmation letter will be sent detailing the requirements. Shaker Glen Garden Project - Ms. Nordby presented the plan submitted by the Lexington Garden Club for approval. The Club proposes to create a buffer zone of trees at the base of the embankment to screen the abutting church and parking area. The Commission gave their approval. Orienteering Discussion, Whipple Hill - The Commission reviewed the draft letter to Robert Dangel which was approved as amended. Ms.Nordby noted that Rosemary Green, Whipple Hill Steward,thought the Orienteering Program was a fine idea. CONT'D HEARING, 57 Solomon Pierce Road - 201-465 9 pm The Commission received copies of the revised site plan for 57 Solomon Pierce Road that addressed the concern of a neighbor that the runoff from the roof would impact his land. Fred Russell, the representative's engineer, reviewed the plan they submitted to mitigate for this runoff. They propose installation of a crushed stone pad 2 feet wide and 6 inches deep under the drip line of the overhang of the roof on the addition's west wall. This should prevent any erosion and provide some infiltration capacity Since there is no increase to impervious surface,no Engineer-ing-review-is-necessary.In-response to theCommissions_previoussequest, * Resell said the applicant agreed to increase the vegetation on the wetlands side of the access roadway Abutter John Carter addressed his concerns about the gully being impacted by runoff, the possible number of trees to be cleared, the elevation of the building and the slope of the roof. Mr. Russell responded that the crushed stone beneath the addition will allow the water to filter into the ground and not go into the gully If this does happen, it can be rectified by installing a dry well. When the ground is frozen, the snow will melt and water will run down the driveway as it currently does. It was moved, seconded and voted to close the hearing.