Scope of works
Paddington Station was the first station to be awarded as part of the £14.8bn Crossrail programme and a key interchange with the existing Network Rail services at Paddington Mainline station and with the London Underground.
Kilnbridge were appointed by Costain Skanska to undertake the following packages:
- Manufacture and installation of 150 tonnes of structural steel in a Grade II Listed Building (Macmillan House), including Blast Load Analysis and decorative N17 paint finish to match existing heritage fabrication
- Manufacturing and installation of a steel support frame to hang from the concrete soffit and support the 3-tonne concrete smoke ducts, whilst also providing the main support for the platform edge screen
- Reduce the levels of the station diaphragm walls using specialist concrete-cutting techniques including plunge wire sawing, diamond drilling and bursting
- Supply and installation of passive fire protection to achieve a range of fire ratings from 1 to 4 hours
Challenges / Achievements
- At the time, this was the largest plunge wire sawing contract undertaken worldwide (370m²)
- Installation of 155 PES frames (circa 800kg each) and 310 precast smoke ducts using a bespoke manufactured mobile platform with scissor table and air skates.
- Design and methodology were heavily influenced by the Grade II listed heritage environment and received timely approval from English Heritage