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
BULK PLANTS
Section 14a.103 - Pump enclosures

Universal Citation: 34 PA Code ยง 14a.103
Current through Register Vol. 54, No. 38, September 21, 2024

Construction of protective enclosures for pumping equipment shall be of noncombustible materials throughout and, adequate ventilation shall be provided for such enclosures to prevent the accumulation of flammable vapors in hazardous concentrations. Design of ventilation systems shall take into account the relatively high specific gravity of the vapors. Ventilation may be provided by adequate openings in outside walls at floor level, unobstructed except by louvers or coarse screens. When natural ventilation is impracticable, mechanical ventilation shall be provided. Mechanical systems for removing flammable vapors shall be designed, installed, and operated in accordance with approved standards.

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