Drainage
- 14-07 Trap arm
- 14-05 Gang trap
- 13-23 Tubular sink waste
- 13-18 Gang trapping pedicure chairs
- 13-14 Industrial process
- 13-13 Reducers
- 13-10 Concealed overflow
- 11-02 HWT hub drain
- 11-01 Manholes
- 11-15 Fixture outlet trap seal
- 11-13 WC carrier wet vent
- 09-10 Centre outlet waste fitting
- 09-09 Waste pipe offset
- 09-07 P-trap serving as kitchen cleanout
- 08-32 Group home grease interceptor
- 08-30 Ancillary building sewage ejector
- 06-32 Elevator shaft drainage
- 08-24 Back water valves
- 06-34 Manholes inside a building
- 06-29 Cleanout location
- 08-27 Laundry standing waste
- 08-22 Building drain
- 08-19 Backwater valves
- 08-15 Vertical leg/plane
- 08-02 Elevator sump
- 04-44 Cleanout on vertical change of direction
- 04-46 Discharge pipe connection
- 05-01 Oil interceptor as fixture trap
- 05-23 Number of fittings on drainage piping downstream of urinal
- 05-26 Horizontal branch size
- 05-28 Gang trap fume hoods with laboratory sinks