A. The outlet from every exhaust of any engine or boiler used in connection with any oil well derrick, or dehydrating plant, shall be connected to an adequate exhaust and muffler box located not closer than 20 feet to any public street, road or thoroughfare.
B. Every building or structure for such boiler shall be constructed of non-combustible material.
C. The smoke stack on any such boiler, except boilers using gas exclusively, shall be equipped with a screen or other adequate device to prevent the escape from such smoke stacks of sparks or ignited carbon or soot; provided, however, that when the top of any such smoke stack is at least 30 feet above the ground, the screen may be omitted.
D. It shall be unlawful for any person, firm or corporation to install, maintain or operate any steam boiler within 100 feet of the center of the well hole of any oil well derrick, or any tank containing gas or flammable liquid, where the property owned or controlled by the person, firm, or corporation will permit that distance.
E. In no case shall a boiler be erected within 25 feet of any petroleum well hole, production tank or container holding petroleum or any products thereof.
F. If more than one steam boiler is to be erected, maintained or operated for a particular use, such steam boilers must be so located as to form a battery.
G. Every such steam boiler or battery of boilers, except when housed or enclosed or except when elevated to a height of 24 inches above the surrounding terrain, shall be completely surrounded by a dike not less than 24 inches in height, constructed as provided for tanks, and located not less than 15 feet distant from such boiler or battery of boilers.
H. Every steam boiler hereafter erected, or where otherwise required in the judgment of the Building Official, when located within 100 feet of the center of any petroleum well hole or tank, shall be equipped with a water or steam line of not less than one inch in diameter, piped from a point outside the retaining wall, where required, into the boiler fire box, with an adequate spray head or any equivalent device approved by the Fire Chief.
1. Such water or steam line shall be controlled by an emergency valve to be located as designated by the Fire Chief.
2. Such emergency control valve shall have a metal tag not less than 3 inches by 6 inches attached thereto, which tag shall have printed thereon “EMERGENCY VALVE TO BOILERS (STEAM OR WATER).”
3. Every steam boiler erected, when located within 100 feet of the center of any petroleum well hole or tank, or where required in the judgment of the Fire Chief, shall be equipped with an emergency quick-action valve, so arranged as to completely shut off all fuel feed lines to each and every boiler, such valve to be located not more than two feet from the valve controlling the steam or water line to the fire box, and shall have a metal tag not less than 3 inches by 6 inches attached thereto, which tag shall have printed thereon “EMERGENCY VALVE TO BOILERS (FUEL LINE).”