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  • UST sump repair service at Fidelity Investments

    CommTank provided a sump repair service for two 15,000-gallon underground storage tanks (USTs) at Fidelity Investment in Merrimack, NH. The UST sumps had been taking on water which means they would fail the hydrostatic tightness testing required by NHDES code of administrative rules Env-Or 406.22. We were able to repair the sump by installing new a....

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  • Cape Cod Chips Welded Tank Repair

    Cape Cod Potato Chips called CommTank for our tank cleaning and testing service. After cleaning the 45,000-gallon underground steel tank we discovered that holes were visible on the tank bottom and the metal below the tank diffusers was thinning due to abrasion. The underground tank had been filled with water used to clean potatoes and the custome....

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  • Marblehead Trading Company UST Piping Upgrades

    In August of 2010, CommTank was hired by the Marblehead Trading Company to conduct a Third Party Inspection of two 4,000-gallon Underground Storage Tanks (USTs) at their boatyard in Marblehead, Massachusetts. The purpose of a Third Party Inspection is to make sure the tanks are up to code. At the time of the inspection Luis Diaz, state approved th....

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  • Underground Fuel Tank Sump Upgrade

    CommTank was hired by the Boston Yacht Club (BYT) to upgrade the transition sump and sensors for the gas and diesel pumps on their docks. Located in Marblehead, Ma, the BYT was founded in 1866 and has 500 members. They have been a client of CommTank’s since 2012. The BYT owns two double-wall fiberglass tanks for storing gas and diesel. The p....

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  • Lynn Water Treatment UST Stick Point Replacement

    The city of Lynn hired CommTank to test the underground tanks at the water treatment facility as part of an annual testing program. Three 8000-gallon underground tanks store diesel fuel for the emergency backup generator. During the testing of the tank, the stick point was found to be leaking at the threaded joint at the tank’s top. CommTank ....

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