In the building are designed systems of cold and hot water supply with circulation, household sewerage. Trunking and distributing water supply pipelines shall be made of steel water and gas galvanized pipes in accordance with GOST 3262-75 * to be insulated.
The drains from the appliances are discharged into the external sewage network. The internal domestic sewage networks are assembled from plastic pipes in accordance with GOST 22689-89. The stairs are laid open and fastened to the walls. The places of passage of the risers through the ceilings are filled with cement mortar with preliminary wrapping of pipes without a gap by roll-up waterproofing material.

The format is DWG, compatible with AutoCAD 2004-2017, Compass, ZWCAD, nanoCAD, BricsCAD, etc.