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Hegigio Gorge Pipeline Bridge

General Information

Structure:	Suspension bridge
Function / usage:	Pipeline bridge

Location:	Papua New Guinea
Location description:	The pipeline bridge crosses Hegigio River in the Southern Highlands Province of Papua New Guinea.
Coordinates:	6° 19' 38.78" S 143° 6' 19.36" E

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	main span	470 m
	side span (south)	87 m
deck	height above valley floor or water	393 m
tower	height above valley floor or water	428 m

cables	steel wire
towers	steel

January 2004	Design commencement.
December 2004	Begining of construction.
November 2005	Completion of construction.
March 2006	First oil pumped through the pipeline.

As the northern abutment only had helicopter access, the bridge was constructed by flying fox methods from the south abutment.

Multiple 15.2mm strands were used for the cables. Prestressed permanent ground anchorages constitute the anchorages.

Design

Engineering

Contractor

Cables

Cable steel supplier

Double prestation et apports multiples. In: Sols et Structures, n. 223 (First semester 2006), pp. 22-23.