DBNGP 5B

MENU PAGE 38 OIL&GAS PROJECT SUMMARY The DBNGP Stage 5B Expansion Project in Western Australia included a total of 440km of 26” diameter pipeline construction, and involved looping the existing live DBNGP pipeline. Numerous large river crossings were completed by HDD, conventional open cut installation and float-in installation methodologies. The project was staged in 11 separate loops, the longest being 115 km. The loops were spread out over 1,600km and traversed a variety of environments, including remote desert, vineyards and urban areas. SAFETY Detailed project management and logistics, as well as the provision of a safe work environment and safe work practices were key to the project’s success. In addition to 4.5 million km travelled, 1.4 million manhours were completed without a single LTI , reflecting the attitude of all employees in maintaining a safe work environment. CHALLENGES Loops 0 through 8 were constructed in remote locations from Karratha to Dandaragan and involved crews working from remote base camps. Commencement of these loops were delayed until April to avoid the cyclonic weather conditions that can occur prior to that time. Camps servicing Loops 0 to 2 were required to be ‘cyclone proof’, which meant all structures had to be anchored down. The logistics involved with continually moving camp sites and personnel presented one of the greatest challenges on the project. Other challenges included extreme weather, geological conditions and an emphasis on zero environmental losses of both flora and fauna. A strict inspection regime ensured that the projects responsibilities were met. STAKEHOLDER & COMMUNITY LIAISON Construction of all loops required close liaison with all stakeholders including landowners, affected residents, government agencies, local councils and shires, local indigenous leaders and other affected parties. Particularly close liaison was maintained with local fire authorities, due to constant lightning strikes, as the project moved through each Shire. CLIENT DAMPIER BUNBURY PIPELINE (DBP) LOCATION DAMPIER TO BUNBURY, WA CONTRACT CONSTRUCT ONLY VALUE AU$235M COMPLETED APRIL 2010 DAMPIER TO BUNBURY NATURAL GAS PIPELINE STAGE 5B LOOPING PROJECT (DBNGP) nt lightn through 440KM, 26” STEEL PIPELINE 11 CONCURRENT WORKSITES 9 MAINLINE VALVES 1 PRESSURE REDUCTION STATION 2 MAJOR HDD’S (400 & 121M) 4,500,000 KM’S TRAVELLED 486M FLOAT-IN CROSSING CAPABILITIES BUILDING CIVIL ELECTRICAL FABRICATION MAINTENANCE MARINE MECHANICAL PIPELINES RAIL ROADS & BRIDGES TUNNELLING 3 PREVIOUS EXPERIENCE HEALTH & SAFETY QUALITY SUSTAINABILITY PROCUREMENT CONSTRUCTION PLANT & EQUIPMENT CONTACT US OFFICE LOCATIONS START CASE STUDIES INTRODUCTION ENGINEERING FABRICATION

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Transcript of DBNGP 5B

PAGE 38

OIL&GAS

PROJECT SUMMARYThe DBNGP Stage 5B Expansion Project in Western Australia included a total of 440km of 26” diameter pipeline construction, and involved looping the existing live DBNGP pipeline.

Numerous large river crossings were completed by HDD, conventional open cut installation and float-in installation methodologies. The project was staged in 11 separate loops, the longest being 115 km. The loops were spread out over 1,600km and traversed a variety of environments, including remote desert, vineyards and urban areas.

SAFETYDetailed project management and logistics, as well as the provision of a safe work environment and safe work practices were key to the project’s success. In addition to 4.5 million km travelled, 1.4 million manhours were completed without a single LTI , reflecting the attitude of all employees in maintaining a safe work environment.

CHALLENGESLoops 0 through 8 were constructed in remote locations from Karratha to Dandaragan and involved crews working from remote base camps. Commencement of these loops were delayed until April to avoid the cyclonic weather conditions that can occur prior to that time. Camps servicing Loops 0 to 2 were required to be ‘cyclone proof’, which meant all structures had to be anchored down.

The logistics involved with continually moving camp sites and personnel presented one of the greatest challenges on the project.

Other challenges included extreme weather, geological conditions and an emphasis on zero environmental losses of both flora and fauna. A strict inspection regime ensured that the projects responsibilities were met.

STAKEHOLDER & COMMUNITY LIAISONConstruction of all loops required close liaison with all stakeholders including landowners, affected residents, government agencies, local councils and shires, local indigenous leaders and other affected parties. Particularly close liaison was maintained with local fire authorities, due to constant lightning strikes, as the project moved through each Shire.

CLIENT DAMPIER BUNBURY PIPELINE (DBP)LOCATION DAMPIER TO BUNBURY, WACONTRACT CONSTRUCT ONLYVALUE AU$235MCOMPLETED APRIL 2010

DAMPIER TO BUNBURY NATURAL GAS PIPELINESTAGE 5B LOOPING PROJECT (DBNGP)

nt lightnthrough

440KM, 26” STEEL PIPELINE11 CONCURRENT WORKSITES9 MAINLINE VALVES1 PRESSURE REDUCTION STATION2 MAJOR HDD’S (400 & 121M)4,500,000 KM’S TRAVELLED 486M FLOAT-IN CROSSING

CAPABILITIES

BUILDING

CIVIL

ELECTRICAL

FABRICATION

MAINTENANCE

MARINE

MECHANICAL

PIPELINES

RAIL

ROADS & BRIDGES

TUNNELLING