The construction of Stockingfield Bridge, a spectacular cable-stayed pedestrian and cycle route over the Forth & Clyde Canal, sees the physical reconnection of three north Glasgow communities after more than 200 years of separation by the canal.
The bridge is part of an active travel network for the communities of Maryhill, Gilshochill and Ruchill, allowing pedestrians and cyclists to cross the canal without leaving the towpath, avoiding a narrow and potentially hazardous underpass.
It also provides an important ‘missing link’ in the National Cycle Network between Edinburgh and Glasgow, offering a traffic-free route alongside the waterway.
As part of the regeneration plans for north Glasgow, it is hoped that the eye-catching structure, featuring a 35-metre-tall supporting spire, will become something of a sculptural icon for the area, making it, and the regenerated parkland surrounding it, a destination for visitors.
Historic importance
The historically important canal is a Scheduled Monument and the design team worked closely with Historic Environment Scotland on the scheme to ensure the outcome was both functional and respectful of the environment in which it was being built.
In addition, the bridge construction works had to take account of the fragile structure of the 200-year-old canal.
A temporary causeway was constructed to minimise the overall footprint of the site, to allow workers easy access to both sides of the canal, and to allow canal boats to pass through the works during construction.
Major variations and additional funding
Planning consent was granted quite late in the process, after construction had begun. Major changes were introduced to the project scope, increasing both the length of the programme and the associated costs. The timing of construction also presented challenges, as it coincided with material and labour shortages due to both the COVID-19 pandemic and the advent of Brexit.
As a result of these significant changes, rigorous cost control, strict risk management and accurate quantification of the works became crucial. As quantity surveyor, we produced detailed estimates on the effects of the changes and agreed these with the main contractor.
We also prepared and presented detailed reports on the reasons for the additional expenditure, to assist the client in obtaining additional funding.
Value engineering and risk management
The forecast final account was greater than the available funding and we became involved in a value engineering process to bring the costs back within budget.
Modifications were made to meet the financial constraints and every work package was then re-tendered. We checked all bills of quantities prepared by the main contractor as well as the tender returns, all of which were affected by the market conditions.
Technical Manager, Scottish Canals
We managed the risk throughout the project to keep the costs within budget. Due to labour and material shortages, further changes to finishes and specifications became necessary.
We were fully involved in managing the change process, helping to achieve a balance for the finished product that both satisfied the client’s requirements and adhered to the budget.
Official opening
The completed bridge was officially opened in December 2022. To celebrate, a procession of people, led by Glasgow-based art group Carnival Arts, arrived by bike, boat and on foot from all areas surrounding the bridge. The spire was lit up and lanterns were carried by participants, adding to the spectacle.
The bridge won the 2022 Institution of Civil Engineers’ People’s Choice Award, which recognises civil engineering projects that have made a positive impact on local communities, and was also awarded project of the year (under £20m) by Construction News in 2023.
TECHNICAL MANAGER, SCOTTISH CANALS
Credits
Contractor Balfour Beatty
Civils Engineer Fairhurst
Structural Engineer Jacobs
Steel Manufacturer SH Structures
Quantity Surveyor Thomson Gray
Images and video reGlasgow
Awards
2023 Construction News, Project of the Year (under £20m)
2022 Institution of Civil Engineers’ People’s Choice Award