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Case Studies

Leak Sealing to Cable Trench Covers

universities specialist contractors

CSC Services have completed leak sealing work to cable trench covers at Hartlepool Power Station for client EDF Energy.

Deterioration of the previous concrete cable covers had resulted in water ingress. This was having ramifications with the Station’s fire protection system in the Turbine Hall Cable Tunnels.

To rectify the problem localised joints were filled with a fast setting mortar and the area was cleaned and prepared using a water jetting unit before a concrete primer was applied. The team then finished with Sikalastic 625.

Sikalastic 625 is a single component, cold-applied, moisture-triggered liquid waterproofing membrane that cures to form a seamless, durable and weather resistant waterproofing solution for exposed areas. This coating was selected for the work as it is completely cold applied so there is no requirement for any heat or naked flame. This meant the risk of fire was completely eliminated and work could be safely carried out whilst operations continued.

Visual inspections of the work since completion have confirmed that there is no further ingress despite heavy rainfall over recent weeks and the feedback from the client has been excellent.

CSC Services specialise in protective coatings which can be used for leak sealing purposes. Full refurbishment services are also provided. Please call 0191 410 3444 for more information.

“CSC Services did a brilliant job. The job went really well and the positives have been seen instantly as there has been a significant reduction in moisture which I hope will stay that way.”

Terry Weldrake Work Engineering Group at Hartlepool Power Station