04/04/2019 BOARD OF HEALTH Minutes

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Chair Baumgaertel was concerned that the design engineer was not present to discuss the proposed changes and/or to provide a statement. Scott Leonard, DLI Engineering,introduced himself and indicated that his firm has designed over one hundred animal care facilities, but that almost all of them are in municipal sewer systems. He stated that solid waste can't be decomposed or used as fertilizer, and that they are familiar with the hair issues as well. He discussed the design of the plumbing system, indicating that waste is separated—solid waste goes directly to the septic system while wet waste goes through a hair trap. He assured the board that the system was designed to accommodate this load, stating that the facility is primarily daycare,which generates considerably less waste than a kennel or animal shelter. Mr. Harrington stated the facility was proposed for limited boarding and there were plans for expansion, and Mr. Leonard responded that the system was sized for both of these phases. Mr. Leonard explained the flush fixtures for solid waste and the trench drains for dog urine. Chair Baumgaertel asked Mr. Leonard to get back to the board with the gallons per flush on the flush fixtures. Mr. Costa, who was present at the meeting, was asked for his opinion, and he stated that, while maintaining a pet care center in the Town of Falmouth,he had not seen any issues other than higher BOD levels then typically seen in a residential system. Chair Baumgaertel stated that this would be considered a change in use and, while there are definitely advantages to flushing waste, the board was originally told the facility would not be doing that. Board members wanted to know that the engineer is comfortable with the change,and confident that his design flow calculations are correct. Mr. Harrington advised the board that the design flow calculation of 1600 GPD was based on 28 kennels and some office space. The Board agreed that they needed clarification on the number of kennels/crates and how that related to the number of dogs,and ultimately the design flow. Mr. Harrington stated that treatment would not be an issue due to SoilAir, but that sanitizers can be a major issue for I/A systems. If the sanitizers are able to reach the septic system at a concentration that kills the good bacteria,then the treatment of the waste will not occur. Mr. Leonard responded that they recommend the use of accelerated hydrogen peroxide, which provides rapid degradation. Chair Baumgaertel agreed that hydrogen peroxide is one of the most reactive disinfectants available. Board members agreed that some of the smaller details needed to be nailed down and a few questions answered prior to approval. There being no further comments or discussion, Mallory Langler moved to continue discussion of the septic system at 31 Evergreen Circle to the next meeting because additional information was needed. Motion seconded by Laurel Almquist. VOTE: Unanimous (3-0). 7:20—Lot 2A(829)and 26(835) Falmouth Road Mr. Harrington commented that a Nitrogen Aggregation Plan was being requested for these lots, which are located on Route 28 adjacent to Anthony's Way and across from the Sun Storage facility. The adjacent open space area is to be used as credit land for the two undersized properties to obtain the additional land for more bedrooms. In this case, 18,707 SF are being utilized to obtain the 40,000 SF required area for four bedrooms for each lot. The Credit Land Survey Plan and Grants of Title V Nitrogen Loading Restriction and Easement for the facility and credit land have been provided. The review fee has been paid and the plans and documents have been reviewed. No issues were encountered. The septic design plans have not been submitted with this approval request. Matt Costa, introduced himself to the Board but had nothing to add to Mr. Harrington's comments. 2