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HomeMy WebLinkAboutMinutes - WC - 07/30/2019 �N P O o' - Commissioners Cohasset Waiter RolfN. Gjesteby '`^O " ET D E P A R T M E N T Leonora C. Jenkins .„ o 1 1 � Sl�lhe cmMmio Sind 1950 John W. Steinmetz Minutes of the Cohasset Board of Water Commissioners 339 King Street— Water Treatment Plant Tuesday, July 30, 2019 @ 8:30 am Members Present: Rolf Gjesteby, Chairman Leonora Jenkins, Vice-Chairman John Steinmetz, Clerk Recording Secretary: Brenda Douglas Guests Present: Joe Geary, Carl Hillstrom,Jason Federico, Tony Omobono, Vice President of Tetra Tech, Andrea Wetcher, Tetra Tech, Peter Dillon, Tetra Tech and John Amonte Rolf made a motion to open meeting at 8:30, seconded by John, all in favor. The Water Dept started having issues on Saturday evening, higher than normal turbidity. That continued on Sunday, the limit is .35. Yesterday the turbidity was high again. Joe Geary, Carl Hillstrom& Paul Rome came in to assist in operations. Hingham interconnect was opened to assist in keeping up with demand. Carl stated that with all the rain it has caused issues with the treatment. Currently things are looking good and the plant is starting to ramp up. The DEP was notified, and Carl will fill out the appropriate paperwork. Lee wanted to know how Ellms Meadow was running, Carl said that it is running fine and is at full capacity. John asked how the plant went on automatically last week at 2:00 am. Carl explained that it was operator error. John asked if this would cause an issue with getting DEP to approve the automation of the plant. Carl said that the DEP would be overseeing that when it comes time. Sludge removal: Carl is waiting for the sludge results to come back from the lab. The results will be sent to Bourne to see if they can take it. Their price is $50 a ton. The trucking is going to be costly. Carl received an estimate of$135,000 but that did not include the trucking. Interconnect Steve Olson was unable to attend. John Amonte arrived and stated that they are 94% occupied. No new buildings in the next 2 years. Lee asked about the facility across from Linden Ponds if they had noticed any impact. John said they have not opened up yet, so they have seen no impact. Lee asked if John had heard from Hingham regarding the 339 King Street,Cohasset,Massachusetts 02025 Tel:(781)383-0057 Fax:(781)383-2906 www.cohassetwater.org transition, he has not. Hingham has implemented strict restrictions to irrigating. The radio upgrade will be implemented next Wednesday, August 6d' @ 9:00 am, Steve Rose from W&C and Glen Fellows, Fellows Electric will be on site to install antenna atop the guard shack. Tetra Tech(Evaluation of THM Removal) 3 employees of Tetra Tech came in to present their findings of the THM removal. They stated that we were proactive to meet the Stage 2 rule, but there is still potential for exceeding total TTHMs during summer. Free chlorine & organics TOC create disinfection byproducts. Different strategies to look at, flushing modified disinfection, move point of chlorination,that has been done. Also use an alternative disinfectant,this cannot be used due to the interconnect with Hingham and Scituate. What has not been looked at is removal after formation by aeration. They are suggesting spray aeration, GACBAC, Ozone BAVC and Ion. Spray aeration would be installed in the clear well since the plant is shut down at night. The storage tanks can also be aerated. $770K for the clear well only, and$1.6 million for tanks to be aerated. GAC technology would be after filtration to reduce TOC and that can be integrated with the aeration, the estimated cost is $2 million plus $lmil/yr maintenance cost. Carbon—This will absorb naturally. This takes 4-6 months to grow. To change out it should be done prior to summer months. This would assist in taste and odor issues this is at a cost of$2 million. Ozone breaks everything up to help enhance removal, and this would help with taste& odor issues, the cost of this is $5.8 million. Ion exchange would be adding salt into the system for an estimated cost of$3.9 million. Jason suggested aerating the tanks first then look at GACBAC filtration. Tetra Tech will supply us with costs to present to for the rate study. This will need to be looked at when the rate study is being done. Lee asked Jason if anyone had been assigned to the Water Department as a liaison, he stated that no one has been assigned to water from Selectmen or Advisory. Dam Repairs—Waiting on 2"d quote. Parr requested a sealant that is not recommended. Jason had to ask bidders to rebid based on a urethane-based sealant rather than an epoxy. Water Treatment Plant Roof Replacement—RFP is written for engineering services, Jason asked if the board would approve Jason, Brian and Michelle to approve so that it will move forward quickly. The board agreed to this. Tank Lease RFP—Counsel reviewed the changes that T-Mobile requested; Town Counsel changed very minor things, so it is back with T-Mobile. Jason expects that they should have a signed agreement by the next meeting. 339 King Street,Cohasset,Massachusetts 02025 Tel:(781)383-0057 Fax:(781)383-2906 www.cohassetwater.org Ellms Meadow—Landscaping truck is now parked on road not on town property. There is a picture of the truck parked on the Watershed rather than the blacktop driveway. The police chief asked that a no parking sign be put up, which Jason did. This sign is in addition to the sign that is at the entrance to the driveway that the landscaper ignored. The Police spoke to owner of landscaping truck and told him that there would be enforcement if it happened again. Jason then said that the town has a contract with Verizon, and they have cameras that are battery operated and motion detected. The cost for each camera is $349 and$30 month for each camera. Jason will notify Chief Quigley and Jeff Trainor of the installation of cameras. Lee did speak with a member of the CCGC to try and identify what invasive plants have been dumped by the residents in the wellfield area. Lee stated that we should be filing an app with CPC to assist in the cleanup. The neighbors are concerned about the skating in the winter since the area is now dammed for the year-round use of the wells. Jason suggested possibly draining the water in late fall to mow and put down a benthic barrier then replacing the dam. This will hopefully control the weeds and not cause a yearly draining for mowing. Rolf made a motion to authorize the purchase of 5 wireless cameras to be purchased from Verizon and placed to monitor people trespassing and dumping on the wellfield,2"d by John all in favor. Jason will order, install the cameras and monitor the batteries for charging. There will be an app so that we can monitor activity remotely. Don Pratt did not attend the meeting as the financial reports for June were not completed at this time. Warrants dated July 30, 2019 were signed off on. John made a motion to approve the June 25, 2019 meeting notes, 2"d by Rolf, all in favor. No meeting date set for next month, everyone needs to check their calendars to schedule. John had to leave at 10:30 am. The board then discussed with Jason developments coming to the area in the near future. Lee made a motion to adjourn the meeting at 10:41 am this was 2°d by Rolf. Respectfully Submitte , Brenda Douglas,Re r Se retary Approved By: Date: 3 a')1C2 rteinmetz, Clerk ohasset Board of Water Comm sion rs 339 King Street,Cohasset,Massachusetts 02025 Tel:(781)383.0057 Fax:(781)383-2906 www.cohassetwater.org Brenda Douglas From: LEE <Iee198@verizon.net> Sent: Sunday, August 18, 2019 3:57 AM To: Brenda Douglas; Rolf Gjesteby;John Steinmetz Subject: Pics for July 30 mins Just noticed my auto correct spelled Don Piatt wrong. 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