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GUIDE FOR THE ESTABLISHMENT AND OPERATIONS OF DOWNSTREAM GAS FACILITIES IN NIGERIA (LPG, CNG, LNG) ISSUED BY

Page 141 of 194

 
 
 
 
Applicable to all Oil & Gas Operators  
GUIDELINES FOR THE ESTABLISHMENT AND OPERATIONS OF CNG 
COMPRESSION FACILITIES IN NIGERIA 
Code: DPR Guide 0029 - 2020 
 
Revision  Date: 1st September 2020 
 
 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
10 
3.1 Isolation distances from building and boundaries to gas storage unit(s)Table 3.1 . 
Where residences, public buildings, places of assembly, or industrial sites are 
located on adjacent property, greater distances or other supplemental 
protection (firewall/underground tank) shall apply. 
iv. 
The constructed or existing drainage from the site will not go into a stream or 
river and that Contaminated water are to be contained and treated onsite. 
3.2.2 
Facility Layout for Compression  Facility  
i. 
Proper Hazard Area Classification and Risk Assessment shall be considered for 
safe design, layout and operation of the facility to minimize, to ALARP, the 
releases of containments to prevent the ignition and spread of any unavoidable 
or accidental releases. 
ii. 
The locations of tanks, fill points, vent pipes, dispensers, road tanker delivery 
stands, buildings, etc shall be designed to ensure in the layout of the facility that: 
a. Satisfactory means of escape for persons in the event of a fire or other 
incident,  
b. Hazardous areas are protected from sources of ignition,  
c. There is safe access, routing, parking and exit of customers' vehicles, 
service vehicles and road tankers. 
iii. 
The facility dangerous areas shall be in open air ventilation and clear of other 
buildings or obstructions that might otherwise adversely affect the ventilation. 
iv. 
Pipework, tanks to offset fill points, dispensers and vent pipes shall be routed and 
located to ensure protection from external effects or interference and allow 
access if required 
v. 
The stand for delivering fuels into storage tanks shall be in the open, away from 
the facility buildings, dispensing activities and emergency escape routes, and be 
large enough to allow a road tanker to be positioned wholly within it during 
delivery.