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 A GAS RETICULATION FACILITY IN NIGERIA Code: DPR Guide 0028 - 2020 Revision Date: 1st September 2020 This is a property of the Department of Petroleum Resources. All rights reserved 17 3.9 Metering All meters shall be installed in such a manner as to prevent undue stresses on the connecting piping and/or the meter. Customers’ meters and regulators may be located either inside or outside of buildings, depending on local conditions. When located outside of buildings, meters and service regulators shall be installed in a location that is readily accessible and where they will be reasonably protected from damage and corrosion. 3.10 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. iii. Adequate intrinsically safe lighting systems of explosion-proof type shall be installed at points to aid safety, security and dentification of the product(s) (signage and labels). Note: vent outlets and potential release points shall be avoided. iv. Where numerous storage vessels are used, consideration should be given to separating these into isolatable sub-groups. ESDs activating these isolation valves shall be provided both locally at each exit point from the storage site and remotely. 3.11 Fire/Blast Walls The purpose of a firewall is to protect vessel or vessels from thermal radiation from a fire nearby and to ensure adequate dispersion distance to boundaries, buildings and sources of ignition for LPG leaking from the vessel or its fittings where normal separation distances cannot be achieved. The walls shall, at the minimum, be of the following features:
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