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Two Denso systems protect new Australian pipeline

Published by
World Pipelines,


Established in 1883, Winn & Coales International has been providing corrosion prevention solutions to industry for over 80 years. With seven subsidiaries worldwide, the company is able to draw upon a wealth of experience in producing its well-known quality brands Denso™, Premier™, Archco™, Protal™, Premier Shrink Sleeves™, Steelcoat™ and SeaShield™. The company's products offer an effective solution to corrosion prevention, sealing and waterproofing problems for buried, submerged and exposed steel or concrete, marine piles, tanks and structures.

Two Denso systems protect new Australian pipeline

Denso Australia recently supplied two systems for the new Tanami Gas Pipeline between Alice Springs and Tanami in Australia’s Northern Territory (NT). Australian Gas Infrastructure Tanami (AGIT) enlisted MPC Kinetic (MPC) as contractor for the AUS$350 million pipeline consisting of almost 25 000 18 m lengths of 8 in. diameter (203 mm) three-layer polyethylene (3LPE) coated pipe.

The original concept envisaged rebuilding over 440km of highways, creating a ‘virtual pipeline’. Considering the unreliable nature of the Northern Territory’s wet season, a buried natural gas pipeline was later decided upon as a more economical and reliable solution that would allow fuel to be delivered all year round.

The greenlight for construction of the pipeline came from the NT government in June 2018, with work commencing shortly thereafter. MPC, with approval from AGIT, selected the S43 R23 Butyl Tape™ system for the protection of field joints on the project, along with Denso Bore-Wrap for Abrasion Resistance™ (ARO™).

MPC and Queensland Industrial Coatings (QIC) personnel began pre-production trials at the start of the pipeline – 150 km from Alice Springs. Denso Australia’s SA/NT Business Manager, David Towns, conducted on site training demonstrating correct application procedures for both systems. MPC and QIC went on to protect almost 600 joints per day – the equivalent of 10.8 km of pipeline.

The performance of Denso Australia’s systems was lauded by both MPC and QIC. The ease and speed at which both systems could be applied impressed the contractors. The Bore-Wrap ARO™ system, applied to 260 m of pipeline to protect the 3LPE factory coating and pre-wrapped field joints during boring, was also easy to apply in the NT climate; a moisture cured urethane high fibre content bandage could be applied and pulled through within 30 minutes.

Mainline field joint coating was completed by QIC by December 2018, with tie-ins wrapped simultaneously by MPC. The project was finally completed in late January; a full five weeks ahead of the projected completion date in March 2019.

Read the article online at: https://www.worldpipelines.com/equipment-and-safety/04112019/2-denso-systems-protect-new-australian-pipeline/

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Australasia pipeline news