09/26/2024 CONSERVATION COMMISSION Minutes (2)

Home Browse Search

o Discussion on lawn coverage and nitrogen calculations o Need to comply with the regulation limiting lawn to 10% of the lot area Environmental Concerns:  Area of Critical Environmental Concern (ACEC): o Clarification on whether the property falls within ACEC or rare species habitat  Not in an ACEC  No endangered species o Mapping discrepancies noted between GIS layers and actual site conditions o Need for accurate delineation of ACEC boundaries  Berm Impact: o Ensuring berms do not negatively affect water retention and movement on-site  The existing house is close to the coastal bank (15ft from the top of the coastal bank)  Setbacks: o Coastal and inland bank setbacks are both 75ft o Flood zone considerations Public Comment:  None Agent Recommendation:  All proposed patio areas must be pervious  Additional details on stormwater runoff capture for the site  Submission of a signed 2-year mitigation monitoring and maintenance contract between the property owner and a certified landscaper, professional, or wetland consultant  BOARD OF HEALTH: The property is in Zone II and restricted to three (3) bedrooms previously permitted by the BOH. Raze and replace triggers the need to comply with BOH I/A Septic Systems Regulation. Floorplans for the proposed new dwelling are to be reviewed upon submission to the Building Dept. I/A septic plans are to be reviewed upon submission to BOH. Rodent inspection by BOH is required prior to demolition, with abatement if necessary.  BUILDING: The project is within the New Seabury Special Permit and beyond a 50’ setback to wetlands. ARC approval is required. Motion:  Mr. Cook made a motion to close and issue with the following conditions: o 2:1 mitigation: for trees removed o Lawn coverage: no more than 10% of the lot as micro clover lawn o Nitrogen calculations: revised based on actual lawn coverage o All patios must be pervious o Stormwater management: install a trench drain to handle driveway runoff 7