Civil Assessment Framework Agreement for Network Rail, UK
This project is part of a 5 year contract to provide bridge assessment services to Network Rail. Opus is providing a range of services including independent checks of complex structures and also work packages for the inspection and assessment of structures.
A key part of the project is ensuring that the historic structures live up to current loading requirements. Opus Stewart Weir’s Bridge team in Canada was involved in the project due to constraint of resources in the Opus UK office. Some complex assessments also involved Finite Element modelling. The condition of the existing bridges had to be taken into account while assessing their present capacity.
Western Belfast Bypass, Christchurch, New Zealand
The Western Belfast Bypass (WBB) is part of the Western Corridor, a part of Christchurch’s Roads of National Significance programme. It is a new four-lane, median separated motorway bypassing Belfast and running from the existing Northern Motorway to join Johns Road south of The Groynes entrance. The Opus bridge team completed the design of three new bridges, including the detailed design for a highly skewed 30m span bridge with Super Tee beams on integral abutments.
Forestry Bridge Inspection & Evaluation for Tolko Industries Ltd, Alberta
Tolko Industries Ltd. approached Opus Stewart Weir to assess condition and provide advice on the load carrying capabilities of several bridges on forestry access roads in Slave Lake, AB. Our local Opus Stewart Weir staff undertook field inspections of each bridge to assess their current condition, and verify bridge layout, dimensions and materials for the load evaluation. Our Bridge Design team then completed load evaluations for each of the bridges, taking into consideration Tolko’s specific truck configurations and load limits.
Monopole Communication Tower Foundations at Brucejack Mountains, BC
The Bridge and Structures team provided Professional Engineering Services relating to the design , material testing, project management, geotechnical and site inspections for multiple monopole communications tower foundations near Stewart, BC to Coast Mountain Wireless Communications Ltd (CMWC).The proposed towers will support telecommunication equipment and provide a communication link to the Pretivm owned Bruce Jack Mine.
Papakura Stream On-Ramp Bridge for Southern Corridor Improvement Project in New Zealand
Opus is involved in the detail design services for the Southern Corridor Improvement Project in New Zealand. The Southern Corridor is a key route from the north, connecting Auckland to the Waikato, Bay of Plenty and the rest of New Zealand. The project involves a range of improvements being developed to address growth and demand south of Auckland by helping to move people and freight more efficiently.
The bridge team in Canada is providing detailed design services for the Papakura Stream on Ramp Bridge which is a 29m single span with integral abutments. Superstructure comprises precast prestressed Super Tee beams.
Tobique Narrows Power Dam Bridge, New Brunswick, Canada
Tobique River Bridge #1 is a 258 m long, 27 span, cast-in-place concrete bridge built in 1952 as a part of the construction of the Tobique Narrows power dam. It is an important link between two small communities in Northern New Brunswick that depend on each other for services and supplies. Opus is involved in the Phase 2 replacement of the 13 span southern approach structure. The chosen replacement option is a single span, 54 m welded steel girder bridge, supported on MSE wall sections at each end of the bridge. A two span, 42 m total temporary bridge is being constructed to allow a single lane of traffic during the construction, which is expected to take two construction seasons planned to begin in 2016.