257.4 General plant considerations.

LPG facilities shall meet the following requirements:#

Siting requirements shall be governed by NFPA 59 (as described in section 10.3 of this Title).#

Automatic plants (i.e., remotely controlled or unmanned while operating) shall be equipped with flame detectors (which will cause the plant to fail-safe) and combustible gas detectors and such other equipment to transmit alarms to the appropriate gas corporation office, and in the event of fire to the local fire department. Heat sensors may be substituted for flame detectors within structures or in any other area where it can be demonstrated that the heat sensor is more effective than a flame detector.#

Wall openings shall be at or near floor level.#

Two separate and distinct entrances must be provided at each plant site to allow for emergency and/or fire fighting equipment to gain emergency access.#

All devices associated with calorimeters or calorimixers which may vent gas within the room in which the unit is located shall be vented through piping to the outside atmosphere.#

If compressor stations are involved in the facility they shall meet all of the requirements of section 255.163 of this Title.#