Car wash - water supply and sewerage

4. WATER SUPPLY.

4.1 A drinking water supply system is designed in the building.

4.2 Cold and hot water supply pipelines are installed

from steel galvanized water and gas pipes                

Pipelines with a diameter of more than 50 mm should be mounted on welding.  

For the maintenance of fittings located above. 1.60m from level  

Gender, use

mobile towers and stepladders, subject to compliance  

fire safety rules.

4.3 Main networks of cold, hot water supply

insulated by  thermal insulation  

4.4 Laying of cold and hot water supply pipelines at the intersection of pe

Covers, interior walls and partitions should be provided in sleeves made of non-combustible materials with a gap between the sleeves  and pipelines of 10-20 mm filled with a  carefully compacted linen strand soaked in crumpled clay.                            

4.5 Wiring of B1, T3 systems in plumbing rooms to the  equipment

The distance between the supports  is made of PPRC polypropylene pipes. B1 systems of polypropylene pipelines accept for pipelines of  T3 systems no more than 0.5m. Shut-off  no more than 0.6m and pipelines polypropylene piping systems  B1,T3 

4.6 Polypropylene pipes and fittings must be certified  

conformities  and hygienic certificates.                                                      

4.7 Accounting for the amount of water consumed in the building's  water supply system

is carried out from the designed water metering unit.