Cutting and tightening holes

Tightening the hole in the wall is sometimes necessary condition of work. The need to strengthen structures of the building arises as a result of changing the zones of loads caused by changes in the structure or premises. There are calculations of loads according to which the amplification scheme is selected and the metal specification.
In each individual case, when it is necessary to perform a hole in the wall, an individual project is developed, which includes a mandatory calculation of the redistribution of loads on the replaceable part, taking into account the type and material of the design, number of storeys, previously produced works on re-