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 104 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  
 
13 
 
Table 3.3 Minimum Separation Distances for Above Ground LPG Storage Tanks 
Capacity (Metric Tonnes) 
Separation Distance (Meters) from tanks to the line of Adjoining 
Properties, Control buildings, or fixed source of ignition. 
Of 
any 
single tank 
Of any group 
of tanks 
From 
Adjoining 
Property that May be 
Developed/Non-
Public 
& 
Non- 
Residential 
From Public and Residential 
Boundaries 
Between tanks 
A: 
No 
fire wall  
B: 
With 
Fire wall  
A: No fire 
wall 
B: With Fire 
wall 
0.1 – 5 
0.1– 5 
5 
5 
30 
15 
1.0 
5.1 - 10 
5.1 - 10 
7.5 
5 
30 
20 
1.0 
10.1 – 60 
10.1 – 60 
15 
7.5 
50 
30 
1.5 
60.1 - 150 
60.1 – 150 
22.5 
11 
50 
30 
¼ of sum of the 
diameter of 2 
adjacent vessels 
150.1 – 300 
150.1 – 300 
30 
15 
50 
30 
 
Table 3.4: Minimum Separation Distances for Underground LPG Storage Tanks 
Capacity (Metric Tonnes) 
Separation Distance (Meters) from the relief valve to the line of Adjoining 
Properties, Control buildings, or fixed source of ignition. 
0.1 - 10 
3 
>10.1 
7.5 
 
3.4 
Minimum Requirement for Storage Vessel/Tanks   
The storage tank/vessel shall be designed, constructed and installed by DPR 
accredited/approved company in accordance with internationally recognised standards.  It 
shall comply with the following: 
i. 
The storage tank/vessel  shall be located in a manner that allow safe access and 
subsequent removal if required, clear of any building foundations or underground 
features, such as drains and tunnels or allow any flammable concentrations or any 
releases not to reach potential ignition sources, accumulate where they might pose 
a danger.