Liverpool Street Escalators
Cleshar were contracted for the provision of civils and premises works for the replacement of Escalator 3 at Liverpool Street Station while ensuring that impact to LU operational facilities were minimalised for the project duration.
Scope of Works
Breaking out incline of the escalator to new required level using a remote controlled Brokk machine.
Demolition of redundant escalator equipment support plinths
Making good all broken out areas to a smooth finish.
Installation of steelwork support frames for the escalator machine
Installation of new slab to fill the concourse floor gap left by the previous escalator on both upper and lower machine chambers.
Installation of new terrazzo tiling and skirting to the escalator landing areas.
Installation of Vitreous Enamel panels on the walls to suit the layout of the new escalator on both landing areas and repairs made to existing damaged VE panels.
Deep-clean, and paint walls and floors of the upper and lower machine chambers.
Due to a tight programme for the delivery of the new escalator truss and machine, extended engineering hours and traffic hours working was adopted with the appropriate segregation to protect the public and staff.
Tolerances for the truss installation were in the region of 5mm and an engineer was always on site to ensure this was met. Cleshar achieved tolerances of 2mm.
Engineering trains were used to deliver materials/plant and to remove the spoil from the concrete breaking out which equated to approximately 100 tonne.
A remote controlled Brokk machine was used for the first time to break out concrete on an escalator incline which reduced considerably manual handling and HAV.
Benefits / Project Outcome
·The project was finished in time, and within budget
·No train operations were impacted by the works that we completed on this project.
London Underground Ltd
Liverpool Street Station
Contract Start and Completion
July 2016 - July 2017