DOCUMENT

BID - Underground Water Tank Installation 2005

  • YEAR CREATED: 2005
  • ENTITY TYPE: County
  • TYPE OF DOCUMENT: BID - ITB, IFB, ITT, RFB
The document provides construction specifications for the installation of dry hydrants and water storage tanks in rural areas, specifically in Loudoun County. The document emphasizes the importance of improving water availability for fire department use in these areas. It states that all work should conform to the requirements of the National Fire Protection Association (NFPA) Standards, Codes, and Recommended Practices. The document also mentions the Facilities Standards Manual (FSM) as a reference for the installation process. The document outlines various requirements for the installation of water tanks and dry hydrants. It specifies that all equipment and materials used should be new and installed according to the manufacturer's recommendations. Pressure ratings of fittings, components, and appurtenances should meet or exceed the maximum working pressures anticipated for the equipment. This ensures that the installed system can handle the expected water pressure without any failures or leaks. Additionally, the document provides guidelines for the location and construction of dry hydrants and tank connections. It emphasizes the need for accessibility under all weather conditions and recommends the installation of protection bollards to prevent damage by vehicles. Vegetation clearance around the tank or hydrant is also required. Regarding water storage tanks, the document specifies a minimum tank size of 12,500 gallons and acceptable construction materials such as steel, fiberglass, polyethylene, and concrete. The tanks should be fitted with a dry fire hydrant, fill pipe, and appropriate appurtenances for venting. The fill pipe should have a minimum diameter of 6 inches and be fitted with a Siamese connection. The draft pipe should have a 6-inch diameter and be located at a specific height above finished grade. The drafting pipe should be a minimum of 6 inches in diameter and terminate 6 inches from the tank floor with an anti-vortex plate. The vent pipe should be a minimum of 8 inches in diameter and have a screen to restrict foreign material entry. Overall, the document provides detailed specifications and guidelines for the proper installation of water storage tanks and dry hydrants in rural areas, ensuring compliance with safety standards and regulations. The inclusion of the requirement for pressure ratings to meet or exceed the maximum working pressures anticipated for the equipment further emphasizes the importance of a robust and reliable system.
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