Extending cold water supply in a warehouse

Discussion in 'Plumbers' Talk' started by PIKEY PETE, Dec 7, 2017.


    PIKEY PETE New Member

    As the title gives away i have to extend a cold water supply in a warehouse, its for an outside tap. Just after some advice not 100% sure where im picking it up (as its been long time since i looked at job) but mains comes in one end of building in some big **** pipe to a meter and then around building which quiet honestly where water side is concerned not much of a run there a boiler near by 4 toilets and 4 basins. so i connect to this somehow then travel the entire length of warehouse approx 100-150m to new outside tap. main question really what size pipe is best do i go 15mm poly all way(which i was thinking) or do i go to mdpe any advice please
  2. nigel willson

    nigel willson Well-Known Member

    20mm mdpe. Depends if pressures good!

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