Notification of proposed works

This form must be completed and submitted if one of the following conditions is met:

1. The erection of a building or other structure, not being a pond or swimming pool.
2. The extension or alteration of a water system on any non household premises.
3. A material change of use of any premises.
4. The installation of:
   1. A bath having capacity, as measured to the centre line of overflow, of more than 230 litres;
   2. A bidet with an ascending spray or flexible hose;
   3. A single shower unit (which may consist of one or more shower heads within a single unit), not being a drench shower installed for reasons of safety or health, connected directly or indirectly to a supply pipe which is of a type specified by the regulator;
   4. A pump or booster drawing more than 12 litres per minute, connected directly or indirectly to a supply pipe;
   5. A unit which incorporates reverse osmosis;
   6. A water treatment unit which produces a waste water discharge or which requires the use of water for regeneration or cleaning;
   7. A reduced pressure zone valve assembly or other mechanical device for protection against a fluid which is in fluid category 4 or 5;
   8. A garden watering system unless designed to be operated by hand; or
   9. Any water system laid outside a building and either less than 750mm or more than 1350mm below ground level.
   10. A fire fighting sprinkler system
5. The construction of a pond or swimming pool with a capacity greater than 10,000 litres which is designed to be replenished by automatic means and is to be filled with water supplied by a water undertaker.