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 103 of 194

 
 
 
 
Applicable to all Oil & Gas Operators  
GUIDELINES FOR THE ESTABLISHMENT AND OPERATIONS OF GAS 
STORAGE AND UTILISATION FACILITIES IN NIGERIA 
Code: DPR Guide 0020 - 2020 
 
Revision Date: 1st September 2020 
 
 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
12 
3.3.2 
Separation distance for Downloading Facilities  
Each individual cylinder used for the storage or dispensing natural gas shall be located with 
respect to the nearest building or compressor equipment or other sources of ignition in 
accordance with table 3.2. 
Table 3.2: Isolation Distances from Building and Boundaries to as Storage Unit 
Total capacity of Gas 
storage (Cubic FT) 
Minimum distance 
(metres) 
Minimum on-site distance between Gas 
storage units and a 4hr. FRR concrete or 
Masonry wall (metres) 
Up to 1,100 (5MT) 
5 
2.0 
1,100 to 2,450 (5MT-70 MT) 
7.5 
2.0 
 
Note: 
a. A blast wall or fire clearance zone of a minimum 3 metres shall be maintained 
around the perimeter fence of any CNG storage facility. 
b. Firewall shall be installed to adjoining residential or public buildings  
3.3.3 
LPG Separation Distances 
The separation distance for LPG tanks within a Gas Storage and Utilization facility are 
depicted in Table 3.3 while the requirements for underground installations are depicted in 
Table 3.4.