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

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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  
 
5 
2.4 
License to Operate (LTO)    
Upon completion of construction works and leak tests, the company shall apply for LTO. 
The company shall pay the applicable fees, and submit the following statutory/technical 
requirements: 
i. 
Valid Calibration Certificates/Report of Measuring Equipment for the facility  issued 
by DPR accredited companies and witnessed by DPR in line with relevant standards. 
ii. 
Manufacturers’ data sheet for any Gas Reticulation Facility storage tanks. 
iii. 
Ultrasonic Thickness Measurement (UTM) test certificates of the storage tank. This 
test shall be conducted on site for all tanks and done prior to burial for underground 
tanks. The UTM test shall be carried out by a company with applicable OGISP and 
witnessed by DPR officials. 
iv. 
Pressure test reports and certificate or any other DPR approved integrity test 
report for tanks and piping. The Pressure test shall be carried out by company with 
applicable OGISP and witnessed by the Department. The Pressure test should be 
carried out for a new tank at installation before operation and after every Five (5) 
years. After 20 years of service, pressure test on the LPG tank should be carried out 
every two (2) years. 
v. 
Any of the following shall subsist - Current Tax clearance certificate, Evidence of 
Tax Payment, Tax Identification Number (TIN) or Evidence of tax exemption. 
vi. 
List and Evidence of trained staff by a DPR accredited consultant. 
vii. 
Approved Standard Operating Procedure (SOP) for the proposed facility 
operations in line with the DPR SOP template. 
viii. 
‘8 x 10’ size Photographs of Plant from different vantage points showing its 
amenities. 
ix. 
As-built Layout drawing. This will be verified by DPR during pre-licence inspection.