The gasholders will be cut into steel sections and removed from the site using road transport. Material will be exported to recycling facilities wherever possible.
Gasholder No. 7 is the closest gasholder to Aylestone Road and will be dismantled first. Gasholder No. 5 is located on the south side of the River Soar. As a river forms a barrier between the two gasholders, a temporary
bridge will be used during 10 days of the project. This will enable us to remove materials from the southern gasholder with limited evening closures of the navigable River Soar.Both gasholder No. 5 and gasholder No. 7 are above ground spiral-guided gasholders, the most common type of gasholder found in the UK. The telescopic walls were moved up and down using wheels on runners. Gas entered through the base and the pressure pushed up the chambers one by one. Water helped keep gas in and air out, preventing ignition.
The dismantling process:
Holder fenced off for safety
Remove water from gasholder
Remove sludge from the base of the holder
Remove holder “lifts” and outer tank shell
Remove holder base
Dismantling gas holders No. 5 and No. 7
Dismantling of a gasholder using the Dismantling of gas holder lifts
hot cutting method