11. [F1Water systems] shall be capable of being drained down and be fitted with an adequate number of servicing valves and drain taps so as to minimize the discharge of water when water fittings are maintained or replaced. A sufficient number of stopvalves shall be installed for isolating parts of the pipework.
Textual Amendments
F1Words in Sch. 2 para. 11 substituted (1.12.2005) by The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 (S.I. 2005/2035), regs. 1(4), 8(7)(c)