Thames Water - Honor Oak New Pumping Station Shaft

The existing Honor Oak reservoir was built in the early 1900’s. The reservoir was supplied with water from various sources. The purpose of this project was to enable water to be directly drawn from the Thames Water ring main at Brixton, which was 4.7 kilometres away.

A shaft 60 metres deep by 11 metres in diameter was constructed to enable a tunnel-boring machine to drive a tunnel to Brixton and connect it to the Thames Water ring main. When the tunnel was complete, the Honor Oak shaft was fitted out to become a new shaft pumping station, which enabled water from the ring main to be directly pumped into the Honor Oak reservoir. Our involvement in the project was to design, manufacture, install and commission access metalwork to facilitate access and the services from top of the shaft to the bottom.

The project required critical interface with all the services, ducting, piping, mechanical and electrical work. By using the project 3D model of the shaft and services, we were able using our own 3D Inventor design suite to interface accurately our access metalwork to all the other facilities. We designed a multi flight staircase with intermediate main platforms and associated structural support steelwork. The installation interface was also critical to the project enabling other contractors to use our access metalwork to access their areas of work and fit out. There were critical phases, where 24-hour onsite installation was required over a several week period to meet project completion dates.
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  • thames water access metalwork