Controlled Demolition
Wall Structures
As part of the New Station works, Gobion Construction were appointed by Loftus Group to dismantle a number of wall structures to enable the construction of the new concourse and station entrance.
This scope of works was phased over a 15 weeks period which involved the controlled dismantling of 2 separate wall structures, including one structure overhanging the Westbound District line. We designed and installed our own temporary works in order to both access the high levels and to provide a full encapsulation. Works were carried out in both traffic hours and engineering hours due to the proximity to the LU lines. The wall structures were successfully dismantled 2 weeks ahead of programme.
Stairs 54
Gobion Construction were appointed by Loftus Group to dismantle a concrete stairs structure to enable the construction of the new platforms on LU.
This scope of works was phased over a 52 hours possession. The walls and door beneath the stairs were demolished first and holes drilled into the stairs for lifting points. The stairs were to be cut at the top and bottom in order for it to be lifted out by crane through a narrow opening adjacent to the new LU accommodation building. We designed and installed our own temporary works to support the stairs while we stitch drilled it and saw cut it.
We successfully and safely removed the stairs and demolished the remaining foundation with 6 hours to spare.
Drainage
As part of the Urban Realm works, Gobion Construction were appointed by Loftus Group to install 2 separate drainage systems around both shafts that provide emergency access to and from the Crossrail platforms.
The works were phased over a 40 weeks period. We designed and installed our own temporary works to support the excavations. The works included 2 separate road and lane closures to connect to the Thames Water system with a full reinstatement afterwards. The drainage works also involved the supply and installation of an attenuation system with Hydrobrake. We also cored a number of large holes in the shafts to install part of the system. All works were installed within the allocated period.
