03/20/2025 SEWER COMMISSION Minutes (2)

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Town of Mashpee Sewer Commission t 16 Great Neck Road North Mashpee, MA 02649 buildout calculations have been taken into account? Ms. Rudenko answered that once you convert from septic to sewer,you are not confined by the restrictions in Title V, and it is up to the Town to set restrictions that will define how much growth is allowable and that is what the Flow Neutral Regulations have done.This is what defines how many bedrooms single family properties can have and how many commercial and industrial properties can expand.This is the new restriction for how much new parcels that are within the sewer area can grow and that is how the growth buildout projections are calculated. Ms. Sprout asked if that was something that an individual town can change. Ms. Rudenko answered yes, that it is a town regulation that can be modified and if it is modified, it needs to be reflected in one of the Watershed Management Plan updates because it does change the quantity of flow that is being managed. Mr. Meader stated that it is Chapter 108—The Flow Neutral By-Law and in there it states that it is 1 bedroom per 10,000 sq/ft and if there is a request for anything larger,then a variance needs to be requested. If they are on septic, the variance would be through the Board of Health and if they are on sewer then the variance is through the Sewer Commissions. Mr. Lyons asked Ms. Rudenko about 35,000, being the max. Ms. Rudenko answered that 35,000 is the old maximum and the new maximum is in terms of flow and the new maximum is higher in terms of the original projection in the 2009 Needs Assessment.The 2015 planning was based on planning that was done in 2009. Ms. Rudenko went on to state that they are estimating 1.9 million gallons per day of wastewater that'll be generated under the built-out condition. Ms. Sprout asked Ms. Rudenko to go over the numbers again for build out. Monthly engineer update -GHD Sandy Tripp from GHD and requested she provide a brief update as to the project, as well as updates to the Phase 1 and Phase 2 Project. Ms. Tripp showed a slide show marked "WNMP-21-01—Water Resource Reclamation Facility". Phase 1 -Chair Harris stated that the question that she has been getting from residents in the "Ships" area (Ships Rudder Rd./Ship Wreck Rd., etc.) are all trying to get together so that they can contact the licensed contractors to come in and hook them up/when should they be hooked up and they need a date for when they should be doing that. She asked Ms. Tripp to give her a ballpark figure for the residents to think about. Mr. Meader stated that sometime in May is the best time for all the smaller individual homes and streets. Chair Harris stated that there are 14 houses in particular on Ships Rudder Road that want to get a licensed contractor. She specifically asked if it is best for these homeowners to contact the contractors now? Mr. Meader stated yes, now is the time. Ms.Tripp spoke about cash flow and reminded the board that the contractor received an extension.At this point,the contractor is about 80%of their time expended and 90%of their cash expended and are pretty much on course. Regarding the Alternate Rebid Project (Contract 1A), they are about 40% expended on time and 53%expended on their budget. Phase 2—currently reviewing the 3rd party reviews for the 90%designs is ongoing, closing the loops on permitting and the town is working toward obtaining easements associated with this work. Nearing completing on the pre-qualification of contractors for the plant and plan to be bidding the six(6) contracts in the early spring and should be executing these six(6) contracts by June 2025 contingent on the permitting. Phase 2 construction is set to begin in July 2025. Mr. Lyons asked if the money for these is fully appropriated or do they need to go to the Town Meeting for it? Ms.Tripp answered that it is fully appropriated, and it is the$96.1 million. Marc Drainville from GHD then presented. Mr. Drainville stated that he was asked to put together a presentation regarding how the plant works. It will cover everything from how do they figure out how to size the facility and brief videos of different pieces of equipment. Mr. Drainville then showed a slide