Western Australian Consolidated Regulations These by‑laws
are divided into parts as follows: —
Part I — Preliminary — By‑laws 1-3.
Part II — Protection of Water, Grounds, Works, etc., from
Trespass and Injury — By‑laws 4-9.
Part III — Licenses and
Permits — By‑laws 10-15.
Part IV — Sewerage — Plumbing and House
Connections — By‑laws 16-179.
Part V — Rates and
Charges — By‑laws 180-182.
Part
VI — General — By‑laws 183-187.
Schedule A — Method of Computing the sizes of soil pipes,
waste pipes, combined waste and vent pipes.