Kenneth Rollins WTP Chem Feed
The following is a general description of the project:
The Kenneth B. Rollins Water Treatment Plant (WTP) Chemical Feed System Upgrades project will replace existing main components of the sodium hypochlorite and potassium permanganate feed systems at the Town of Leesburg’s (Town) water treatment plant. Equipment for these two systems is to be upgraded to meet operational demands. This project is crucial to the Town’s continued efforts to ensure a robust supply of finished drinking water to meet growing demands. 1. Work on the Sodium Hypochlorite System generally consists of the following: a. Removal and legal disposal of existing bulk storage tanks. Assume there will be a 1,000 gallons of sodium hypochlorite to dispose of off-site. b. Installation of new bulk storage tanks. c. Removal and legal disposal of schedule 80 CPVC suction piping in the tank room and pump rooms. d. Installation of new schedule 80 CPVC suction piping and accessories in the tank and pump rooms. e. Removal and legal disposal of the existing metering pumps and control panels for the metering pumps. f. Installation of new metering pumps and control panels. g. Installation of pipe hangers and supports as indicated on the drawings and specified. Existing pipe supports to be reused where indicated. h. Removal and legal disposal of existing accessories on all the suction piping runs. i. Installation of new accessories on the piping as indicated in the Contract Documents. j. Temporary removal of fire protection system and sky lights and reinstallation of same. k. Disconnect power and signal wiring for pumps and instrumentation to be removed. l. Wiring and conduit for connection of the new pumps and instrumentation to the existing electrical and SCADA system. m. Provide startup, performance testing and training for installed equipment; n. Provide color code and label piping and equipment; o. Provide Operations & Maintenance (O&M) Manuals; p. Prepare and submit red-line “As-Built” drawings showing the actual location of all piping and appurtenances installed under this contract. 2. Work on the Potassium Permanganate System generally consists of the following: a. Removal and legal disposal of the existing chemical storage/mixing tanks and mixers. Assume there will be 100 gallons of potassium permanganate mixer at 2% to be disposed of off-site. b. Installation of a new chemical storage/mixing tanks and mixers. c. Construction new, chemical containment barrier curb. d. Remove and legal disposal of existing ¾” piping in the building. e. Installation of new ¾” piping and accessories. f. Removal and legal disposal of the existing chemical metering pumps and metering pump control panels. g. Installation of new metering pumps and control panels. h. Installation of pipe hangers and supports as indicated on the drawings and specified. Existing pipe supports to be reused where indicated. i. Installation of new accessories on the piping as indicated in the Contract Documents. j. Remove and legal disposal of the existing heater and ventilation system. k. Installation of the new heater and ventilation system. l. Remove and legal disposal of the existing building door. m. Installation of the new building door. n. Clean existing interior walls, floor and ceiling and apply new interior coatings. o. Wiring and conduit for connection of the new pumps and instrumentation to the existing electrical and SCADA system. p. Provide startup, performance testing and training for installed equipment; q. Provide color code and label piping and equipment; r. Provide Operations & Maintenance (O&M) Manuals; s. Prepare and submit red-line “As-Built” drawings showing the actual location of all piping and appurtenances installed under this contract.
