Molonglo Capacity Development –
• Construction of 3.2 KM of DN200 Steel Secondary Pipeline, including 3 HDD Bores under waterways;
• 4 Case Bores to insert DN375 RCJP under major Roads and 6 Uncased Bores under side roads;
• The works also include installation of 2 x DN200 Isolation Valve assemblies, 1 x 7000m3 SDRS including Inlet & outlet Pipework and connection to the existing medium pressure system and 6 CP Test Points.
Alexandria to Darlington Secondary Steel Main –
• Construct 2.8km DN200 steel gas main pipeline using open cut trenching, HDD & Guided Bed Boring;
• Over 1.8km of the pipe laid using trenchless techniques;
• Gyro – Guidance was used for 250 meters of HDD Crossing below transmission & distribution electrical cables, 2 concrete box storm water culverts, sewers, water main & communications infrastructure without interference.
Emu Plains Rail Crossing –
• installing primary pressure gas pipeline, using micro-tunneling, 8.5m under the Main Western Railway.
Gungahlin to Amaroo Capacity Development Project –
• Installation, testing and commissioning of 2.7Km of High Pressure Steel Gas Pipeline;
• Included – open cut trenching, horizontal directional drilling, creek crossings, cathodic protection system, installation of Hot Tap Fittings, valves & MIJ’s.
Hume to Tuggeranong Interconnection –
• 5.7Km of welded gas pipeline including 240m of cased boring, open cut trenches, pipe jacking, creek crossing, cathodic protection system, installation of Hot Tap Fittings, valves & MIJ’s.
Penrith to Emu Plains Primary Gas Main –
• The first successful completed intersect HDD in NSW;
• 3Km of welded gas pipeline, running under the Great Western Hwy, and crossing the Nepean River.
Wakehurst Parkway Capacity Development Project –
• Decommissioning existing 375mm medium pressure steel pipeline and construction of a new 250mm diameter polyethylene (PE) gas main into an 11km section of the existing steel gas main between Frenchs Forest Road and North Narrabeen.
Eastern Suburbs Capacity Development Project –
• 2.9km of DN200 diameter secondary pressure (1050KPa) steel gas main.
Munmorah Gas Feeder Pipeline –
• Construction of a 4.0 kilometre DN250 12.7mm x 42" steel gas pipeline.
Caltex Transfer Pipeline (Botany) –
• Construction of approximately 3km of 350 NB Primary Fuel Main to supply the Caltex Refinery.
Blue Mountains Reticulation Project –
• Construction of 550 kilometres of gas main reticulation and connection to over 8,500 customers to the AGL Gas Network;
• Also included the construction of 385 kilometres of 50 & 100mm Telstra conduits, the installation of 4,630 P5 and P6 Telstra pits and 1,154 interconnections to existing Telstra plant.
Tumut, Gundagai & Adelong Natural Gas Networks –
• Construction of 20 kilometres of lateral (feeder) mains to Gundagai and Adelong townships;
• The reticulation of 115 kilometres of 40, 63, 90, 110 and 160mm PE gas mains in Tumut, Gundagai and Adelong.
Frenches Forest, Sydney –
• Reinforced Concrete Jacking Pipe under 2 x 1800mm box culverts for gas relocation works.
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