2020-11-16-CONCOM-min - Laserfiche WebLink

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Record of vote as follows: Kevin Beuttell—Aye Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye ViewPoint Cloud Permit# CDOA-20-33 Request for Determination of Applicability, 0 Hartwell Avenue (Mass Port Authority) Applicant: Mark Boyle, Federal Aviation Administration Project: Replacement of existing runway approach lighting electrical cable within the 200 foot Riverfront Area of Shawsheen River, within the 100 foot buffer zone of a Bordering Vegetated Wetland, and along the surface of the wetlands Documentation Submitted: -WPA Form 1-Request for Determination of Applicability, prepared and signed by Mark Boyle c/o Federal Aviation Administration, dated 10/27/2020 - Proposed Runway 29 MALSR Cable Replacement, prepared using Town of Lexington GIS, dated and submitted 10/27/2020 - Narrative of the Proposed Scope to replace the cable for the Flasher Lights of the Medium Approach Lighting System with Runway Alignment Indicator Lights (MALSR), submitted by Mark Boyle, dated 10/27/2020 -Runway 29 STA 15+00 To STA 26+00 MALSR, Site Plan and Profile, dated 6/21/1984 Mark Boyle, representative with the Federal Aviation Administration, presented to the Commission. The electrical cable proposed to be replaced is approaching 40 years old. Damage to the cable forced the Federal Aviation Administration (FAA) to turn that portion of the system off which creates a quarter mile visibility penalty and a great concern when the weather is bad. The FAA is proposing to replace that cable and install HDPE (High Density Polyethylene) flex conduits across wetlands and laying pipe at the bed of the marsh. Mr. Boyle added that the small section before wetlands is where they will do about 50 feet of trenching, and that they will put in erosion controls to minimize any siltation from the small amount of trenching they have to do. Mr. Langseth asked if there is an exemption for a Federal agency, thinking that installing cable through and on a wetland would warrant an NOI filing. Ms. Mullins stated that the applicant is exempt from local jurisdiction, and that under federal law, if they are not altering the ground or entering any pollutants/sediments, this would qualify as non-jurisdictional. Mr. Langseth also asked, if the trenching can be done and covered in one day, that the Commission would not require erosion control. Mr. Boyle said that won't be possible and the work will take more than one day. On a motion by Mr. Langseth and seconded by Ms. Samuels, the Commission voted 6-0 by roll call vote to issue a Negative Determination with Conditions.