LSJ Engineering was commissioned a steel staircase for Project Q at London’s Thames Barrier in autumn 2020.
- Client: Chisholm and Winch
- Modelled by: Mark Ebbs
- Job Duration: October 2020
We were employed by construction management company Chisholm and Winch to design, supply and fit a steel staircase to the new Thames Barrier control building in south east London, which is being built by Balfour Beatty.
This was a simple stair, except that the half landing had to be radiused on-plan to match the RC (reinforced concrete) frame of the wall adjacent. An electronic laser survey of the curved RC wall was taken, and the stair built to fit. Furthermore, Chisholm and Winch had to ensure the build up of insulation and plasterboard, applied to the RC, perfectly matched the wall behind. The stair was trial-built at our works in Shoeburyness, Essex, to check the rolled stringers were a perfect fit to the laser-cut landing plates, so all fitted the wall without gaps or clashes.
Once powder coated a rather bright yellow off site, the stair was delivered and fitted on site without any issues.