Walkways may have a slope up to and including 20 degrees. Where the slope of
a walkway exceeds 1 in 8 (7 degrees), the walkway shall be of -
(a) grating (expanded type metal, metal grating);
(b) metal plate fitted with cleats;
(c) timber complying with Clause 2.2.3.1 fitted with cleats; or
(d) other acceptable material.
Where grating is used, it shall be subject to acceptance by the authority having jurisdiction.
Where cleats are used, they shall be fixed across the walkways to provide a safe foothold. Cleats shall be not less
than 50 mm × 25 mm timber or 10 mm square metal bar fixed to the walkway and evenly spaced at intervals (see
Table 3.1).
NOTE: It