LAC 43:XIII.1905. Customer Meters and Regulators: Protection from Damage [49 CFR 192.355]

A. Protection from Vacuum or Back Pressure. If the customer's equipment might create either a vacuum or a back pressure, a device must be installed to protect the system. [49 CFR 192.355(a)] B. Service Regulator Vents and Relief Vents. Service regulator vents and relief vents must terminate outdoors, and the outdoor terminal must: [49 CFR 192.355(b)] 1. be rain and insect resistant; [49 CFR 192.355(b)(1)] 2. be located at a place where gas from the vent can escape freely into the atmosphere and away from any opening into the building; and [49 CFR 192.355(b)(2)] 3. be protected from damage caused by submergence in areas where flooding may occur. [49 CFR 192.355(b)(3)] C. Pits and Vaults. Each pit or vault that houses a customer meter or regulator at a place where vehicular traffic is anticipated, must be able to support that traffic. [49 CFR 192.355(c)]