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  
 
8 
3 
MINIMUM DESIGN, CONSTRUCTION AND INSTALLATION REQUIREMENTS  
3.1 
General Requirements 
The design, construction, installation commissioning and operation shall comply with the 
provisions of Petroleum act 1969 as amended, MOSR 1997, other applicable regulations, 
standards and guidelines. The design and construction of such facilities must conform to 
acceptable design codes such as Standards Organization of Nigeria, American Society of 
Mechanical Engineers, National Fire Protection Association, American Welding Society – 
Structural Welding Code, British Standards (BS), and other codes and standards 
recognised by the Director of Petroleum Resources.                                                                                                     
3.1.1 
 Design And Construction Standard                                                                                                                          
During the design, construction, installation, commissioning of a facility, all necessary 
measures and mitigations shall be applied to reduce risk associated with storage, 
transport, transfer, usage etc. to as low as reasonably practicable (ALARP). The storage 
tanks, fittings, pumps, manifolds, meters, hoses, valves, and other equipment and 
accessories of the facility shall be designed for efficient and safe operations in line with 
applicable codes and standards. The installation and commissioning of the system shall 
only be undertaken by competent persons and companies, in accordance with 
manufacturer's instructions and best practices. Written standard procedures shall be 
drawn up and used for installation and/or commissioning. Further conditions governing 
the establishment of a Reticulation Facility are as follows:   
i. 
Participation of DPR representatives in the project and mandatory witnessing of 
milestone construction activities such the tank burial, pressure/leak test of the 
tanks and tank calibrations.  
ii. 
All critical equipment and piping shall be commissioned after installation in 
accordance with manufacturer’s instructions. Integrity tests and other applicable 
tests shall be conducted companies with relevant OGISP permits and witnessed