Hyperabad Road Realignment, Napier

Westfield Southdown Pipeline, Auckland

Kupe Sales Gas Pipeline, Taranaki

Hyderabad Rd Realignment

Date: 2014

Client: Powerco

Location: Napier, Hawkes Bay

Length: 210m

Size: 200NB

Fast Facts:

  • Excavate and install 210m of 8-inch steel low pressure (20barg) natural gas line for Powerco on Hyderabad Rd in Napier.

WCL expertise included:

  • Welding

  • Pipe bending

  • 100% NDT

  • Hydro testing

  • Drying

  • Coating Application

  • Surveying

  • Hot tapping

Westfield Southdown Pipeline

Date: 2009

Client: Vector Gas

Location: Auckland

Length: 1.6km

Size: 350NB

Fast Facts:

  • This project incorporated two HDD railway crossings under the main North Island Trunk Line and the North Auckland Branch Line.

  • Boring under Great South Rd - a main thoroughfare in South Auckland.

WCL expertise:

  • Cathodic protection

  • Pipe wrapping

  • Hydrotesting

Kupe Gas Pipeline

Date: 2008

Client: Origin Energy

Location: Manaia - Kapuni, Taranaki

Length: 11.7Kms

Size: 250NB

Fast Facts:

  • This project was to weld, lower and lay the Origin Energy gas pipeline from the Kupe Production Station to the Kapuni Treatment plant, and link to the Vector 309 pipeline for distribution.

  • Weld wrapping

  • Cathodic protection (including test points and anode bed installation).

  • Hydro testing and drying

  • Works also incorporated the fabrication and installation of the interconnection facility at the Kapuni tie-in.

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Kowhai A-D Twin Pipelines, Taranaki