Library / GUIDE FOR THE ESTABLISHMENT AND OPERATIONS OF DOWNSTREAM GAS FACILITIES IN NIGERIA (LPG, CNG, LNG) ISSUED BY
GUIDE FOR THE ESTABLISHMENT AND OPERATIONS OF DOWNSTREAM GAS FACILITIES IN NIGERIA (LPG, CNG, LNG) ISSUED BY
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Applicable to all Oil & Gas Operators GUIDELINES FOR THE ESTABLISHMENT AND OPERATIONS OF GAS STORAGE AND UTILISATION FACILITIES IN NIGERIA Code: DPR Guide 0020 - 2020 Revision Date: 1st September 2020 This is a property of the Department of Petroleum Resources. All rights reserved 22 iv. The minimum pressure-relieving capacity in kilogram per hour shall not be less than three percent (3%) of the full tank content in 24 hours. v. The following notices shall be clearly displayed on or near the vent stack(s), particularly at personnel access points(applicable to LNG). a. do not spray water on vent stack b. flammable gas c. beware of frost bite vi. Conductive parts (e.g. metal fitments) on the installation including fencing, gates, tanks and all pipework, vent stacks and vent recovery hoses, shall be adequately equipotential (earth) bonded. 3.6 Pumps, Compressors and Fittings Pumps, other than submersible types, should be adequately secured to a concrete foundation or bolted to a structural steel support. Where the drive unit is not integral with the pump, attention should be given to ensure correct alignment, and all moving parts should be suitably guarded. 3.7 Emergency Systems The following emergency system shall, at the minimum, be installed in the facility: i. Gas and fire detection system shall be installed and routinely tested. ii. Appropriate warning notices, safety signs, and instructions shall be positioned at strategic locations and control rooms. Routine testing for audio/visual alarms is mandatory for LNG systems. iii. Adequate intrinsically safe lighting systems of explosion-proof type shall be installed at points to aid safety, security, and identification of the product(s) (signage and labels). Note: Vent outlets and potential release points shall be avoided.
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