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Golden Ears Bridge, Vancouver, British Columbia
ACS Provides a Safe Working Environment for Bridge Construction
The Golden Ears Bridge over the Fraser River will unite the municipalities of Richmond, New Westminister and Delta in the scenic British Columbia province. The 800 million dollar project is a an "extra dosed" cable stayed bridge, which means the deck will be supported by both cables and the structure itself. This design reduces the overall height of the two towers as required for a simple cable stay bridge.
Led by Bilfinger Berger Inc., the Canadian arm of the Bilfinger Civil group and CH2M Hill International (Project Management), this joint venture is providing design and construction services for the Golden Ears Bridge project. Started in the summer of 2006, the six lane, 2.7 mile (4.3 km) project entails the construction of numerous smaller bridges, ramps, viaducts and the main river bridge which are all scheduled to be completed by the summer of 2009.
The Golden Ears Bridge consists of four towers with two pylons each towering 280' (86 m) and spanning over 800' (242 m) apart. The total length of the bridge once completed will span 3,200' (970 m) over the Fraser River.
Systems supplied for this project by PERI included ACS-R (Automatic Climbing System – Regular) along with the VARIO Wall formwork system, the TRIO wall formwork system and the PERI Bridge bracket.
The Golden Ears Bridge project dictated that a safe and productive forming system would be required to meet their aggressive schedule. The Automatic Climbing System (ACS) was used for this project becasue of it‘s flexibility required for the differing geometric shapes of the pylons and for it‘s ability to function in high winds. The 10 ton hydraulic piston used in the ACS system provides the worker with the ability to climb the entire system at a rate of 1'-6"(0.50 m) per minute in a safe and secure fashion.
Other systems supplied by PERI for this job included the TRIO Wall formwork system and the PERI Bridge Brackets. The TRIO system is a modular steel frame system used to form the abutment walls, while the PERI Bridge Bracket system was used in forming the edge of the approach ramps. The brackets gave the workers an area of over 8' (2.50 m) of working space from the edige of the existing structure.
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Michael Hug
Superintendent
"I‘ve worked with PERI Systems for many years now and I am convinced that the PERI climbing ACS system and the VARIO wall system are the best solutions. In my opinion, PERI is technically the most effective formwork system on the market. With the ACS system we were able to catch up time."
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