Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 398

b. Safety controls or protective devices shall be connected so that they interrupt the ungrounded conductor and shut all fuel flow to the appliance, including fuel flow to any pilot flame or burner. c. The control circuit shall be connected to a power supply branch circuit fused at not more than the value appropriate for the rating of any control or device included in the circuit. B. Fuel Oil Tanks 1. The design, construction and installation of fuel tanks shall conform to the standards of the American Petroleum Institute or other internationally accepted standards and the following: a. Fuel oil supply tanks may be installed inside buildings provided that they are enclosed in accordance with Division 7, Chapter 5, Rule 10 of this IRR. b. Stoves that are designed for barometric feed shall not be connected to separate oil supply tanks. c. Unvented heating appliances shall be equipped with integral tanks with a capacity of not more than seven and a half liters (7.5 ℓ). d. Oil supply tanks other than those furnished as an integral part of the stove or range shall not be located within one and a half meters (1.5 m) horizontally, of any fire or flame except that tanks not over twenty three liters (23 ℓ) capacity may be within this distance but not within sixty centimeters (60 cm) of the stove or range in which the burner is installed; provided that the temperature rise of the oil supply at this distance shall not approximate the flash point of the oil when the burner is operated at full capacity. e. Tanks shall rest on the ground or on foundations made of concrete, masonry, piling, or steel. Tank foundations shall be designed to minimize the possibility of uneven settling and to minimize corrosion in any part of the tank resting on the foundation. f. Where tanks are supported above the foundations, the supports shall be firmly anchored to the foundation. Supports shall be of concrete, masonry, or steel. Single wood timber supports (not cribbing) laid horizontally shall be permitted to be used for outside aboveground tanks if the supports are less than 12 in. (0.3 m) high at their lowest point. C. Fill, Return, Supply and Vent Piping 1. A fill pipe on a tank larger than two hundred twenty seven liters (227 ℓ) capacity shall terminate outside of a building at least sixty centimeters 382