09/24/2020 BOARD OF HEALTH Minutes

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Baumgaertel noted that this is a gravity fed system so he did not foresee any issues with even distribution. With regard to the septic tank variance,he stated that the installation of the 40 mil liner as mitigation was acceptable to him. At Mr.Humphrey's request, Mr.McEntee agreed to re- design the leaching with the additional row with the geogrid,on the side of the property that does not require a variance to the property line. Ms.Warden asked if a septic inspection had been done,and Mr. Harrington answered that there would be a permit pulled for the additional chambers and that would satisfy the inspection for the leaching,but there would still need to be an inspection of the tank. The inspection is required for the change of footprint. There being no further comments or discussion,Veronica Warden moved to grant the 4'variance from the septic tank to the foundation with the following conditions: 1) revised plans are submitted showing the additional row with the geogrid; 2) a 40 mil liner be installed along the foundation wall;and,3)aseptic inspection be performed for the tank. Motion seconded by Brian Baumgaertel. Roll call vote: Veronica Warden (yes); Brian Baumgaertel (yes). VOTE: Unanimous (2-0). NEW BUSINESS 1. Review and approval of meeting minutes. The minutes of the August 20,2020 public session and September 3,2020 public session were reviewed. There being no comments or revisions, Veronica Warden moved to approve the minutes of the August 20, 2020 public session meeting. Motion seconded by Brian Baumgaertel. Roll call vote: Brian Baumgaertel (yes);Veronica Warden (yes). VOTE: Unanimous(2-0). Veronica Warden moved to approve the minutes of the September 3, 2020 public session meeting. Motion seconded by Brian Baumgaertel. Roll call vote: Veronica Warden (yes); Brian Baumgaertel (yes). VOTE: Unanimous(2-0). 2. Sign expense warrants. It was understood that expense warrants would have to be signed outside of the meeting,due to there being no Board members physically present. 3. Review of Title V system —0 Cooper Street, Mr. Harrington commented that this proposal for new construction has a design flow of 7,590 gallons per day. The proposed system to treat the design flow is a Biociere 24/30 system with 10 operating components prior to the SAS, which consists of three sets of 94' long x 2' wide x 2' deep trenches with pressure distribution. The trenches are vented. The design has DEP Provisional Approval that carries a requirement for a certification by the designer and manufacturer. The licensed installer must have training to install the system by the manufacturer. The operations/maintenance and sampling regime are explained within the DEP approval letter. The extensive treatment train is required to obtain the 5 mg/L of total nitrogen discharge required by the Special Permit. Joe Henderson, of Horsley Witten Group, introduced himself for the record as representing the applicant. This system Is designed to service 69 bedrooms in 39 affordable units,with a 7590 gpd flow. The site is located off Falmouth Road and is comprised of three parcels totaling 13.84 building acres. They are proposing to use Provisional Use Approval for a Bioclere system to increase their loading from 440 to 550 per acre. Mr. Henderson stated that, in order to meet the Special Permit requirements for a system over 5000 gpd, they have to meet the lower effluent 2