9/3/2020 BOARD OF HEALTH Minutes

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Mr. Harrington commented that complaints are down, and most of the recent ones were mask- related. He advised the Board that the schools had gathered information on all the available types of wipes for cleaning, and decided on the hydrogen peroxide based wipes. NEW BUSINESS 1. Review and approval of meeting minutes. The minutes of the July 16, 2020 public session were reviewed, but the minutes of the August 20, 2020 meeting were not yet available. There being no comments or revisions,Veronica Warden moved to approve the minutes of the July 16, 2020 public session meeting. Motion seconded by Brian Baumgaertel. Roll call vote: Brian Baumgaertel(yes);Veronica Warden(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 request for Title V variances—29 Seconsett Point Road. Mr. Harrington commented that this proposal includes a tear down/rebuild of the dwelling. A garage is proposed with rooms above. The new dwelling is proposed to be 6'from the existing septic tank,so a variance is sought for not providing the required 10'. Additional leaching is proposed to be added to the existing soil absorption system (SAS) to get a five-bedroom capacity. A reserve area is also shown on the proposed plan. The existing SAS consists of plastic chambers, and hi-capacity infiltrators without stone. That SAS without stone cannot withstand vehicle loading. Mr. Harrington stated that he had made engineer aware of his comments. Michael Borselli of Falmouth Engineering introduced himself for the record as representing the applicant, William Humphrey,who was also dialed in virtually. He stated that the Conservation Commission had approved the tear down/rebuild. He shared the plans with the Board, noting that the footprint of the proposed house is slightly different. The applicant was seeking relief from the setback to the slab foundation. Without that variance, the tank would have to be excavated and shifted four feet. Mr. Borselli stated that mitigation was being provided in the form of a waterproof membrane around the foundation in areas that are less than 10'. The room over the garage would be a potential fifth bedroom, and the existing system is just shy of the required 5-bedroom capacity, so the applicant was proposing to add one foot of crushed stone on the end. The owner installed a geo-grid over the top of the SAS, and Mr. Borselli stated that the applicant is confident it is more than adequate for H-20 loading. Mr. Harrington commented that regular cars are not the issue; it is the odd oil truck or moving truck that is the potential problem. Mr. Harrington stated that, per the manufacturer of the geo-grid, the system should have been installed with stone in order to withstand vehicle loading. According to Mr. Harrington,the stone needs to go 6" over the top of the chambers, and then the geo-grid gets installed. Chair Baumgaertel asked if the geo-grid modification to the system was permitted by the Board of Health, and Mr. Harrington answered that, to the best of his knowledge, it was not part of the system installation. Mr. Borselli stated that the proposed driveway is generally in the same location as the existing driveway. Chair Baumgaertel asked if the chambers been scoped, stating that a problem might not be immediately obvious on the surface. Mr. Harrington answered that the system will require a full inspection because of the new footprint on the house. Ms. Warden noted that, in the old plan, 2