Afrindustria/ Gas Gap Monitor

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 113 of 194

Open the PDF at page 113

 
 
 
 
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  
 
22 
iv. The minimum pressure-relieving capacity in kilogram per hour shall not be less than 
three percent (3%) of the full tank content in 24 hours.  
v. The following notices shall be clearly displayed on or near the vent stack(s), 
particularly at personnel access points(applicable to LNG).  
a. do not spray water on vent stack  
b.  flammable gas 
c. beware of frost bite   
vi. Conductive parts (e.g. metal fitments) on the installation including fencing, gates, 
tanks and all pipework, vent stacks and vent recovery hoses, shall be adequately 
equipotential (earth) bonded.  
3.6 
Pumps, Compressors and Fittings 
Pumps, other than submersible types, should be adequately secured to a concrete 
foundation or bolted to a structural steel support. Where the drive unit is not integral with 
the pump, attention should be given to ensure correct alignment, and all moving parts 
should be suitably guarded. 
 
3.7 
Emergency Systems 
The following emergency system shall, at the minimum, be installed in the facility: 
i. 
Gas and fire detection system shall be installed and routinely tested.  
ii. 
Appropriate warning notices, safety signs, and instructions shall be positioned at 
strategic locations and control rooms. Routine testing for audio/visual alarms is 
mandatory for LNG systems. 
iii. 
Adequate intrinsically safe lighting systems of explosion-proof type shall be 
installed at points to aid safety, security, and identification of the product(s) 
(signage and labels).  Note: Vent outlets and potential release points shall be 
avoided.