Prai River Bridge

Perai River Bridge (Jambatan Sungai Perai in Malay) is a dual-three lane cable stayed bridge connecting the banks of the Perai River in Perai, Penang, Malaysia. It is part of the Butterworth Outer Ring Road (BORR).

Perai River Bridge

Jambatan Sungai Perai
Coordinates5°23′22″N 100°22′34″E
CarriesMotor vehicles
CrossesPerai River, Penang
LocalePerai, Butterworth Outer Ring Road
Official namePerai River Bridge
Maintained byLingkaran Luar Butterworth (Penang) Sdn. Bhd.
Characteristics
Designcable stayed bridge
Total length1.85 km (1.15 mi)
Width27.8 m (91 ft)
Longest span185 m (607 ft)
History
DesignerDar Al-Handasah Consultants
Opened2005
Location
Aerial view of Perai River Bridge

Designed by Dar Al-Handasah Consultants, it won the IStructE Award for Transportation Structures and the prestigious Supreme Award in 2006.[1] Constructed by Lingkaran Luar Butterworth (Penang) Sdn. Bhd. on a turnkey contract.

Project overview

The project was carried out by Turnkey contractor, Lingkaran Luar Butterworth (Penang) Sdn. Bhd. The main sub-contractors to the Turnkey contractor are Ballast Needam International (left halfway through the project), IJM Construction Sdn. Bhd. in joint venture with Zublin International (Malaysia) Sdn. Bhd. and consists of the following works:

  • Approach viaducts consisting of twenty-two 50 m (160 ft) long precast concrete, post-tensioned, glued segmental spans constructed by the use of an overhead launching gantry.
  • Two 40 m (130 ft) high, reinforced concrete (grade 80 N/mm2) cable stay pylons, with each pylon accommodating 14 pairs of stay cables.
  • A 185 m (607 ft) glued segmental, cable stayed main span constructed by cantilever erection method.
  • Three precast segmental exit/entry ramps constructed both by the use of an overhead launching gantry and, for some spans, a heavy duty falsework support system.
  • The dual three lane approaches on either side of the main bridge are 27.8 m (91 ft) wide, the width of the main bridge deck is 28.8 m (94 ft) and the ramp structures are 9.87 m (32.4 ft) wide.
  • Other items in the IJM-Zublin JV contract are the supply and erection of parapets, application of anti-carbonation paint and superstructure electrical works.

See also

References
  1. "Archived copy". Archived from the original on 2011-07-16. Retrieved 2007-12-11.CS1 maint: archived copy as title (link)


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