E
SECTION E — FIXED CONSTRUCTIONS
  
BUILDING
 E03
WATER SUPPLY; SEWERAGE
 E03B
INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER (drilling wells, obtaining fluids in general from deep wells E21B; pipe-line systems in general F17D)

 E03C
DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER (not connected to either watersupply main or to waste pipe A47K; devices of the kind used in the ground E03B, E03F); SINKS

 E03D
WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR

 E03F
SEWERS; CESSPOOLS