Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 14a - STORAGE AND USE OF FLAMMABLE AND COMBUSTIBLE LIQUIDS
Subchapter B - PARTICULAR ESTABLISHMENTS AND USES
SERVICE STATIONS
Section 14a.114 - Remote or submergible pumping systems

Universal Citation: 34 PA Code ยง 14a.114

Current through Register Vol. 54, No. 38, September 21, 2024

(a) Application. This section applies to systems for dispensing flammable or combustible liquids when such liquids are transferred from underground storage to individual or multiple dispensing devices by pumps located elsewhere than at the dispensing devices.

(b) Pumps. Pumps shall be designed or equipped so that no part of the system may be subjected to pressures above its allowable working pressure. Pumps installed above grade and outside of buildings shall be located not less than 10 feet from lines of adjoining property which may be built upon, and not less than 5 feet from any building opening. If an outside pump location is impracticable, pumps may be installed inside of buildings, as set forth in § 14a.112(2) (relating to location of dispensing systems) or in pits as set forth in subsection (c). Pumps shall be substantially anchored and protected against physical damage by vehicles.

(c) Pits. Pits for subsurface pumps or piping manifolds of submergible pumps shall be able to withstand the external forces to which they may be subjected without damage to the pump, tank, or piping. The pit shall be no larger than necessary for inspection and maintenance and shall be provided with a tight fitting cover.

(d) Controls. Controls of remote pumping systems shall conform to the following:

(1) A control shall be provided that permits the pump to operate only if a dispensing nozzle is removed from its bracket on the dispensing device and the switch on this dispensing device is manually actuated. This control shall also stop the pump when all nozzles have been returned to their brackets.

(2) A clearly identified switch, readily accessible in case of fire or physical damage at any dispensing device, shall be provided to shut off the power to the pump motors.

(e) Emergency valves. An approved emergency shut-off valve shall be installed at the base of each dispensing device which shuts off the flow of flammable or combustible liquids if the dispenser is damaged by impact or if a fire occurs in the immediate area.

(f) Testing. After completion of the installation, including paving, that portion of the pressure piping system between the pump discharge and the connection for the dispensing facility shall be tested for at least 30 minutes at a pressure 50% above the maximum operating pressure. Such tests shall be repeated at 5 year intervals.

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