2014-07-31 CONCOM-min - Laserfiche WebLink

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Comments from the Commission as follows: Mr. Langseth read the engineering report stating, “This project is improvement to the parking lot of the Hayden Recreation Centre. Soil test results are shown on the plans. The test pits are not in the area of the infiltration structure. This is noted on the plans and the applicant proposes to do soils investigations at the time of construction. This approach is reasonable for this project. Calculations are responsive. The calculations show that the rates and volume of runoff after construction are less than existing conditions for the design storms. A storm water report using the Mass DEP checklist has been submitted. The information appears to be correct. The construction should be inspected by a design professional and as built drawing should be submitted to the Town Engineer. During construction, erosion and sedimentation control procedures should be in place. This should include a wheel-cleaning area for construction vehicles.” Mr. Langseth asked if grading is proposed for the access drive area. Mr. Novak replied that the location was chosen to minimize grading. Mr. Langseth asked where snow would be stored. Mr. Kirby responded snow would be kept in the flat grassy area along the southeastern edge of the property. Mr. Bitsko raised the question of the number of existing parking spaces versus proposed. Mr. Larson replied approximately 15 parking spaces will be added. Mr. Bitsko stated a planting plan needs to be submitted and a note added to the plan showing the high point in the area of the 6 parking spaces to be added. Mr. Bitsko asked for language to be added in the operation and maintenance plan. Motion made and seconded to continue the hearing to August 18, 2014 at 7:00 pm at the request of the applicant, 4-0 in favor. 7:43 pm Hearing – 40 Ingleside Road, NOI DEP# 201-947, BL 905 Applicant: Joseph Simon Construction of a garage addition and expansion of an existing driveway within the 200-foot Riverfront Area Present for the Applicant: Rich Kirby, LEC Environmental Consultants, Joseph Simon, Applicant and Bill Farnsworth, Project Designer Mr. Kirby gave a description of the proposed work and area. The proposed work includes construction of a garage addition and expansion of an existing driveway. Comments from the Commission as follows: Ms. Miller read the engineering report stating, “This project is an addition to a single-family dwelling including garage and driveway. The proposal shows construction on a sanitary sewer easement. It is not clear on the plans the amount of cutting or filling of earth cover over the sewer pipe is contemplated. The construction plans should be reviewed by the Town Engineer before start of construction. The applicant will be responsible for any damage to the sewer pipe caused by the construction. If at any time, the town needs access to the sewer, the town will not be responsible for restoring structural features or pavement placed within the easement. Soil test results are shown on the plan. Calculations are responsive. New impervious area is offset with a subsurface infiltration system. The calculations show that the rates and volume of runoff after construction are less than existing conditions for the design storms. The design provides greater than 2 feet distance between the bottom of the infiltration