The simple rules for cutting chases in walls.
How to chase a concrete wall.
Vertical chases should not be any deeper than one third of the total wall thickness.
Construction of concrete walls is a crucial phase in building construction.
In a cavity wall vertical chases should be no deeper than one third of the thickness of the skin they are being placed in.
It is constructed as a load bearing structure to transfers loads from floor to the wall below or to the foundation in addition to divide spaces in multi storey buildings.
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The groove over the crack may be made with hand held tools concrete saw or pneumatic tools which is then cleaned by air blasting sandblasting or water jetting to remove grease oil or dirt.
No chases horizontal or vertical should be made back to back.