2022 Manitoba Workplace Safety and Health Act and Regulation

Double width site-fabricated portable ladder
13.13
An employer must ensure that a portable wood ladder fabricated on
the worksite for use by a worker which is of double width
(a) is constructed entirely from straight-grained, construction grade
or better lumber that is free of
(i) loose knots, or knots greater than one-third the width or
thickness of the material, and
(ii) sharp edges, splinters or shakes;
(b) has side rails that are not notched, tapered, lapped or spliced;
(c) if its length is
(i) 5 m or less, has side rails measuring at least nominal
50 mm x 100 mm, or
(ii) more than 5 m, has side rails measuring at least nominal
50 mm x 150 mm;
(d) is composed of three rails that are evenly spaced;
(e) is at least 1.5 m wide; and
(f) has evenly spaced rungs that

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(i) are not more than 300 mm on centre,
(ii) are at least nominal 50 mm x 100 mm,
(iii) extend the full width of the ladder, and
(iv) are supported by filler blocks, of the same thickness as the
rung, fastened between the rungs or secured by a single
continuous wire.
Extension ladders
13.14(1) An employer must ensure that an extension ladder used by a worker
(a) is equipped with locks that securely hold the sections of the
ladder in the extended position; and
(b) does not exceed
(i) 14.6 m in length, if it consists of two sections, or
(ii) 20 m in length, if it consists of more than two sections.
13.14(2) An employer must ensure that, if a section of an extension ladder is
extended, the extended section overlaps another section for at least
(a) one metre, for a ladder less than 11 m in length;
(b) 1.25 m, for a ladder between 11 m and 15 m in length; or
(c) 1.5 m, for a ladder over 15 m in length.