2007-06-12 CONCOM-min - Laserfiche WebLink

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MINUTES - LEXINGTON CONSERVATION COMMMISSION MEETING June 12, 2007 recommended the use of pervious pavement and condition the Order to require thorough documentation of the base layer to ensure the surface is pervious. Comments from Commissioners followed: David Langseth was concerned that if the proposed driveway were made using pervious asphalt at some point in the future a sealant may be applied to the driveway making it impervious, due to this possibility, he would prefer pavers be used. Joyce Miller asked what the distance was between the garage and the wetlands, and also mentioned she would like to see more buffer plantings along the wetlands. Ms. Trudeau responded that the garage would be setback 27 feet from the wetlands where as the existing structure is setback 25 -feet from the wetlands and the applicant was agreeable to planting a buffer along the wetlands. Stew noted that there was a shed inside of the buffer zone that didn't seem to have been approved with previous filing. He wants removal of shed from wetland area as well as submittal of a buffer enhancement plan as conditions of the Order. Motion made and seconded to close the continued hearing, 4 -0 in favor. 8:20 p.m. NOI, 4 Maguire Road, Present for the applicant: Mike Flamang, Senior Engineer, Lexington Engineering Department. Mr. Flamang presented a plan to remove a beaver dam from bank to bank in order to eliminate water buildup behind it. During the presentation Mr. Flamang conveyed that the dam was believed to be inactive and that water backup caused by the dam posed a potential to infiltrate municipal sewerage, which could lead to safety and health issues. Comments from Commissioners: Stew Kennedy asked what the impact to the surrounding wildlife habitat would be if the water level drops. Dave Langseth was concerned about possible sediment buildup behind dam and it being washed down river once the dam was breached. Administrator Mullins suggested that dam be breached from the middle opposed to along the bank to avoid erosion of the bank from the high velocity flows once the breach is made in dam. Mike Flamang responded to comments by saying that he couldn't assure the commission of the impact the dam's removal may pose on the surrounding wildlife habitat, and the dam would be removed slowly and from the middle area not the banks. Motion made and seconded to close the hearing, 4 -0 in favor. 8:30 p.m. 201 Bedford Street, Duke Bitsko identified for the record that he is special employee for the town with regards to the DPW facility and the Conservation Commission, and thus, he must recuse himself from the hearing. Since there were only three Commissioners present at this point for the hearing, which didn't represent a quorum, the representatives on behalf of the applicant agreed to continue the hearing to June 26, 2007. Motion made and seconded to continue the hearing to June 26 at the request of applicant due to quorum issues, 3 -0 in favor.