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 OF LPG REFILLING FACILITIES AND RETAILERS’ OUTLETS IN NIGERIA Code: DPR Guide 0019 - 2020 Revision Date: 1st September 2020 This is a property of the Department of Petroleum Resources. All rights reserved 14 xiii. Where the soil may be corrosive, the tank shall be set on a clean shingle or sweet sand free of extraneous materials to avoid seepage of products to underground water courses or any drainage system. xiv. Foundations and sub-soil shall be examined and prepared to support the tank to prevent movement, uneven settlement or concentrated loading in the tank shell. 3.3.1.1 Corrosion Protection for Buried Tanks i. A suitable system of cathodic protection (typically sacrificial anode for small installations and impressed current for large installations) shall be provided. ii. External surfaces of the tank should be suitably prepared and treated with coating manufactured and applied in accordance with a recognised standard, to both protect against chemical and mechanical damage and minimise cathodic protection current drain. 3.3.2 Requirements for Skid, Modularised and Containerized Facility The following shall apply for standalone Containerized and Skid-mounted facilities: i. They shall meet same requirements and safety distances in table 3-1. ii. Additional safety measures for adequate ventilation, gas and fire detectors and fire- fighting equipment shall apply. iii. Technical and functional specifications of the skids shall be made available to DPR, to ensure consistency and availability of the system. iv. Relocation of the skids change in layout of the approved site and any other modification shall be promptly reported to the Department for concurrence and approval. 3.4 Pumps 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
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