Western Australian Consolidated Regulations If a weighbridge has a
pit —
(a) the
entrance to the pit must be covered and be at least 1 m deep and 900 mm
wide; and
(b) the
neck of the pit must be at least 900 mm wide; and
(c)
there must be a clearance of at least 150 mm on each side of any lever in the
neck of the pit; and
(d)
there must be free access to every part of the under‑work
and —
(i)
if free access is available from above to every part of
the under‑work, there must be a clearance of at least 150 mm below all
parts of the under‑work; or
(ii)
in any other case, there must be a clearance of at least
400 mm below the lowest lever;
and
(e) the
pit must be free‑draining or be provided with automatic mechanical
drainage and be kept free from any accumulation of water, mud and debris.