12 Va. Admin. Code § 5-590-1082

Current through Register Vol. 40, No. 22, June 17, 2024

Section 12VAC5-590-1082 - Pressure tank storage

A. When hydropneumatic tanks are used, they shall comply with the requirements of state and local laws and regulations for the construction and installation of unfired pressure vessels.

B. Pressure tanks shall be located above the normal ground surface with the operating end of the tank containing the inlet pipe, the pressure gauge, and other appurtenances projecting into a building with climate controls to prevent freezing. Alternatively, it may be completely housed, if adequate access is provided for inspection, removal, and replacement.

C. Pressure tanks shall have bypass piping to permit operation of the system while the tank is being cleaned, repaired, or painted.

D. Pressure tanks shall have an access manway, a drain, and control equipment consisting of a pressure gauge, water sight glass, automatic or manual air blowoff, pressure and vacuum relief valves, and mechanical means for adding air. Pressure tanks smaller than than 120 gallons and bladder tanks are not required to have an access manway, sight glass, or vacuum relief valve.

E. Pressure tanks and pumps shall be designed to minimize pump cycling and to operate within manufacturer recommendations.

12 Va. Admin. Code § 5-590-1082

Derived from Virginia Register Volume 37, Issue 20, eff. 6/23/2021.

Statutory Authority: §§ 32.1-12 and 32.1-170 of the Code of Virginia.