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Home My WebLink AboutMinutes - CC - 11/15/2018 Conservation Commission Minutes of November 15,2018 APPROVED MINUTES COHASSET CONSERVATION COMMISSION MEETING NOVEMBER 15, 2018 TOWN HALL, BASEMENT MEETING ROOM COMMISSIONERS IN ATTENDANCE. Justin Pimpare, Chair Jack Creighton,Vice Chair Eric Eisenhauer, Member Chris MacFarlane, Member Patrick Kennedy, Member (arrived at 6:40 pm) Alex Koines, Member James Rosebach,Associate Member Maryanne Wetherald,Associate Member STAFF IN ATTENDANCE: Jeff Summers, Conservation Agent Angela Geso, Conservation Administrator ABSENT: Edward Graham,Member Meeting called to order at 6.25 pm. 6:25 m: 2 Smith Place—18-05 Engineerina Presentation of Third Party Review In attendance to represent agenda item: Jeff Hassettimorse Engineering; Peter Palmieri, P.E./Merrill Engineering;Abutters Darlene and Steve Hadfield, Chris Plecs, Melissa Mendenhall, Paul Grady,a few others (see sign in sheet) Documents submitted to support agenda item: Determination of Bordering Land Subject to Flooding; Photos Submitted by Abutter Paul Grady Based on findings from the 3111 Party Review done by Peter Palmieri,the property at 2 Smith Place is within the area of 1%annual chance in the 100 Year Storm and therefore is considered Bordering Land Subject to Flooding.Going forward,the Commission may require compensatory Flood storage to replace flood storage volume lost due to site development.Abutter Paul Grady presented photos from the most recent storm event showing flooding at areas on and abutting 2 Smith Place, Chris Plecs asked Mr. Palmeiri(through the chair)how the applicant would determine the amount of storage currently provided and if storm surges are relevant to the calculations. Mr. Palmeiri said the methods for determining calculations are not complicated and storm surges would be part of the 100 Year Storm. CONTINUED TO 12/6118 7:00 PM: Conservation Restriction -Toll Brothers Estates at Cohasset In attendance to represent agenda item: Peter MatchaklCohasset Town Planner Documents submitted to support agenda item:MGL 184 Sec. 31: Conservation Restrictions(defined) Ali work at Toll Brothers Estates at Cohasset cluster development has been completed.There is an area of 20 acres+of open space on the site granted to the town.The town would be stewards of the area but maintenance and infrastructure concerns are the responsibility of the Homeowners'Association,Through the Conservation Commission as an agent for the town,the restriction is issued and registered.The land will remain as open space in perpetuity.Agent Summers could be required to perform yearly inspections and the Conservation Trust will also be pro-active. MOTION: By Vice Chair Creighton to accept the Toll Brothers Conservation Restriction. SECOND: Member Kennedy VOTE: 6-0 Unanimous 7:05 PM: NOI 18-20 SWP 18-29—11 Gammons Rd—O'Neil-Redevelo meet of Existin DwelGn In attendance to represent agenda item.John Cavan arolCavanaro Consulting; Heidi CondonlArchitect; Barbara and Don O'Neil/Applicants;William Earon, Paul Fallon, Peter Mallen/Abutters Documents presented to support agenda items: NOI and SWP Applications and Plans The O'Neil's would like to raze the existing dwelling and construct a new single family home.There are a number of restrictive buffer zones(river-front,salt marsh,flood plain)on the site. The proposed construction would be similar to the existing footprint but sited to accommodate restrictive areas and minimize tree removal.There would be work within the 50-ft.buffer zone but Mr.Cavanaro feels it is minimal. Eric Eisenhauer asked if the house could be"swung around"to avoid work in the 50ft,buffer zone but John Cavanaro feels that what is being proposed would have no adverse effect on the resource area.Several commissioners expressed concern over the amount of redevelopment within the 50-ft.buffer zone and would like to see the footprint adjusted to be less invasive.Abutters Peter Mallen,William Earon(through Member Kennedy)and Paul Fallon spoke in favor of the project.Vice Chair Creighton feels approval of this application as it stands would set a precedent for further development being allowed in the 50-ft, buffer zone. Member Kennedy feels the project would be an Conservation Commission Minutes of November 15,2018 improvement to the site as it would allow for removal, restoration and mitigation for areas that could be returned to their natural state. Member MacFarlane feels that work within the 50-ft.buffer zone could have an adverse effect on storm water management.Vice Chair Creighton would not approve an application that proposes any work within the buffer zone but Chair Pimpare would be amenable to less work within the 50-f-t. buffer zone. 7.30 PW NOI 18-21 SWP 18-31: Lot 1 Border Street—New Construction-Brown In attendance to represent agenda item:John Cava narolCavanaro Consulting; John Brown/Applicant; Attorney Richard Henderson;Abutter Jason Porter Documents presented to support agenda item: NOI and SWP Applications and Plans The property has large ledge outcroppings and bedrock under the proposed site There will be chipping and blasting to remove some of the ledge.There is a salt marsh running underneath Border Street that transitions into a Bordering Vegetated Wetland and there is also a riverfront area at the Gulf River.The new home is outside the 6verfront area and is fixed between the 50-ft. buffer zone and other resource areas. Runoff will not be increased and there will be a pervious driveway-There will be a temporary encroachment of approximately 10-ft. into the 50-ft. buffer zone when foundation forms are installed. An infiltration strip is proposed to intercept roof runoff. Member MacFarlane requested,due to the number of trees being remove, that a detailed tree removal and planting plan be submitted. MOTION: By Vice Chair Creighton to issue Stormwater Permit 18-31 for property located at Lot 1, Border Street. SECOND: Member Koines VOTE: 6-0 Unanimous MOTION: By Vice Chair Creighton to close the public hearing for NOI 18-21 and issue an Order of Conditions for proposed construction at Lot 1,Border Street. SECOND: Member Kennedy VOTE: 6-0 Unanimous 7:50 PM: NOI 18-19,SWP 18-28:73 Atlantic Avenue In attendance to represent agenda item: Paul Mirabito and Greg Tansey/Ross Engineering Documents presented to support agenda item: Erosion Control Pfan; Existing Conditions Plan Restoring the former asphalt tennis court to a clay court would require bringing in 4-ft. of fill.Vice Chair Creighton questioned the effect of runoff going into Treats Pond. Member Eisenhauer feels recreating the tennis court qualifies as new construction.Chair Pimpare said the asphalt tennis court is pre-existing and that restoring the tennis court to clay is an improvement, but asked if there are alternatives to bringing in 4-ft.of fill. Member Kennedy said the fill will provide a benefit to runoff going to Treats Pond. Greg Tansey said the vast majority of fill is under 4-ft. but increases as the area drops off.Agent Summers said the work is on the edge of the wetland and needs more than the silt sock currently installed at the site. He suggested a temporary chain link fence based in concrete on the Treats Pond side.The Commission suggested a Versa-Lock wall that could be installed without the use of heavy equipment MOTION: By Vice Chair Creighton to close the public hearing for NOI 18-19 and issue an 000 for 73 Atlantic Avenue with a replication plan be completed prior to any other work commence and a fence approved by the Conservation Agent be installed. SECOND: Member Koines VOTE: 6-0 Unanimous MOTION: By Vice Chair Creighton to close the public hearing for NOI 18-19 and issue a variance for work within the 50-ft.buffer zone at 73 Atlantic Avenue SECOND: Member Koines VOTE: 6-0 Unanimous MOTION: By Vice Chair Creighton to issue SWP 18-28 for property located at 73 Atlantic Avenue. SECOND: Member Koines VOTE: 6-0 Unanimous MOTION: By Vice Chair Creighton to issue an Enforcement Order on property located at 73 Atlantic Avenue to insure the plantings as presented are installed no later than June 1„2019. SECOND: Member Koines VOTE: 5-0-1 (Member Eisenhauer abstains) 8.25 PM:CONSERVATION AGENT UPDATE: Jeff Summers presented the newest Open Space and Recreation Plan.Town Manager Chris Senior is asking the Conservation Commission to endorse the new plan. Member Kennedy said the OSIREC is asking to weigh in on any applications involving removal or replication plans for"recommendations for impact or consistency". Vice Chair Creighton stated the Commission should have more time to review and further discuss the plan. It was the Conservation Commission Minutes of November 15,2018 will of the Commission to generally endorse the Open Space and Recreation proposal but have Agent Summers and Chair Pimpare review and validate the verbiage and get specific wording from Member Kennedy. With no further business to discuss,motion to adjourn made by Member MacFarlane,2"d by Member Koines and approved 6-0. MEETING ADJOURNED AT 9:30 PM DATE APPROVED BY CONSERVATION COMMISSION: ! SIGNATURE OF CONSERVATION COMMISSION CHAIR: