Traditional Culture Encyclopedia - Hotel reservation - For advice, water supply and drainage system planning of 20 small hotels.

For advice, water supply and drainage system planning of 20 small hotels.

Every room has hot water DN20, cold water DN 15 and sewage pipe DN 1 10. (divided into two rooms * * * with pipes)

Every two rooms use hot water DN20, cold water DN20 and sewage pipe DN 1 10. (entering the main pipeline)

Main pipeline: hot water DN50, cold water DN50, sewage pipe DN 160.