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Applicable to all Oil & Gas Operators GUIDELINES FOR THE DESIGN, CONSTRUCTION, OPERATION AND MAINTENANCE OF OIL AND GAS PIPELINE SYSTEMS IN NIGERIA Code: DPR Guide 0027 – 2021

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Applicable to all Oil & Gas Operators  
GUIDELINES FOR THE DESIGN, CONSTRUCTION, OPERATION AND 
MAINTENANCE OF OIL AND GAS PIPELINE SYSTEMS IN NIGERIA  
Code: DPR Guide 0027 – 2021 
 
Effective Date: 14th October 2021 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
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depending on the interference by the proposed 
pipeline). Public hearing shall also be held during 
before a licence is granted                                                          
12.  
Pipeline construction 
Monitoring 
13.  
Pipeline Pre- Commissioning & Commissioning 
Approval & Witness 
14.  
Manufacturing Inspection Plan (MIP) / Line Pipe 
Mill Certification 
 
Witness and endorse 
 In-factory manufacturing QA/QC processes 
15.  
Factory Acceptance Tests (FAT) / 
Inspection & Test Plans (ITPS) 
Witness and endorse 
16.  
Pipeline O&M Strategy 
Approval & Monitoring 
17.  
OPLL 
Grant of Licence. DPR shall seek the consent of 3rd party 
agencies (Ministry of Lands, NPA, NIWA, Railway e.t.c. 
depending on the interference by the proposed 
pipeline). Public hearing shall also be held during 
before a licence is granted                                                          
18.  
Pipeline Construction 
Monitoring 
19.  
Pipeline Pre-Commissioning & Commissioning 
Approval & Witness 
 
10. GLOSSARY 
Abbreviations, terms and references used in this document are explained hereunder 
ANSI 
American National Standard 
ASME-  
American Society of Mechanical Engineers 
ASTM-  
American Society for Testing & Material 
BFD  
Basis for Design 
CEP  
Community Engagement Program 
DPR 
Department of Petroleum Resources  
DPR 
Director/CEO, Department of Petroleum Resources 
DSAW  
Double Submerged Arc Welded 
EGASPIN 
Environmental Guidelines and Standards for Petroleum Industry in Nigeria 
EIA  
Environmental Impact Assessment 
ERW  
Electric Resistance Welded 
FAT 
Factory Acceptance Test 
FEED  
Front End Engineering Design 
FLR  
Flowline and Riser