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

Page 183 of 194

Open the PDF at page 183

 
 
 
 
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  
 
18 
i. 
Imperforated and substantially constructed from re-inforced concrete or solid 
masonry and be capable of achieving at least 30 minutes fire resistance. Where the 
wall separates vulnerable populations from the dangerous substance, the fire 
resistance provided shall be for a minimum of 60 minutes. 
ii. 
Shall not be less than the height of the vessel. For larger vessels, it should not be 
less than 2 meters high or the height of the vessel, whichever is greater. 
iii. 
The thickness of the Firewall shall not be less than of 0.23m (9 inch). 
iv. 
The separation distance between the vessel and the firewall shall not be less than 
3 meters.  
v. 
The installation of the fire wall shall not significantly impair natural ventilation.  The 
provision on one side is normally sufficient. However, it shall not be more than two 
sides.  
Note: The specification and composition of materials for the Firewall shall be submitted 
to the appropriate DPR field/zonal office and the construction shall also be monitored 
by the assigned DPR representatives. 
3.12 Protection against Static Electricity: 
The installation should have electrical continuity, be effectively connected to earth and 
bonded to comply with the requirements of the Institute of Petroleum's Model Code of 
Safe Practice, Part 1, Electrical and BS 7671:2001 or equivalent international standard. 
1. All piping, tanks, valves and discharge & dispensing equipment must be bonded 
continuously so that all non-current carrying metal parts have the same potential to 
ground that can potentially result in a catastrophic fire or explosion.  
2. All dispensing equipment including pumps, hoses and nozzles must be properly rated