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QuoteLADDERS
78. (1) A ladder shall be designed, constructed and maintained so as not to endanger a worker and shall be capable of withstanding all loads to which it may be subjected. O. Reg. 213/91, s. 78 (1).
(2) A ladder,
(a) shall be free from defective or loose rungs;
(b) shall have rungs spaced at 300 millimetres on centres;
(c) shall have side rails at least 300 millimetres apart;
(d) shall be placed on a firm footing; and
(e) shall be situated so that its base is not less than one-quarter, and not more than one-third, of the length of the ladder from a point directly below the top of the ladder and at the same level as the base of the ladder, if the ladder is not securely fastened. O. Reg. 213/91, s. 78 (2).
(3) The maximum length of a ladder measured along its side rail shall not be more than,
(a) five metres for a trestle ladder or for each of the base and extension sections of an extension trestle ladder;
(b) six metres for a step-ladder;
(c) nine metres for a single ladder or an individual section of a ladder;
(d) fifteen metres for an extension ladder with two sections; and
(e) twenty metres for an extension ladder with more than two sections. O. Reg. 213/91, s. 78 (3).
(4) No ladder shall be lashed to another ladder to increase its length. O. Reg. 213/91, s. 78 (4).
(5) In this section,
"extension trestle ladder" means a combination of a trestle ladder and a vertically-adjustable single ladder with a suitable means of securely locking the ladders together. O. Reg. 213/91, s. 78 (5).
79. No ladder shall be present in an elevator shaft or a similar hoisting area when the shaft or area is being used for hoisting. O. Reg. 213/91, s. 79.
80. A ladder used as a regular means of access between levels of a structure,
(a) shall extend at the upper level at least 900 millimetres above the landing or floor;
(b) shall have a clear space of at least 150 millimetres behind every rung;
(c) shall be located so that an adequate landing surface that is clear of obstructions is available at the top and bottom of the ladder; and
(d) shall be secured at the top and bottom to prevent movement. O. Reg. 213/91, s. 80.
81. (1) A wooden ladder,
(a) shall be made of wood that is straight-grained and free of loose knots, sharp edges, splinters and shakes; and
(b) shall not be painted or coated with an opaque material. O. Reg. 213/91, s. 81 (1).
(2) The side rails of a wooden ladder of the cleat type,
(a) shall be not less than 400 millimetres and not more than 610 millimetres apart; and
(b) shall measure not less than,
(i) thirty-eight millimetres by eighty-nine millimetres if the ladder is 5.8 metres or less long, or
(ii) thirty-eight millimetres by 140 millimetres if the ladder is more than 5.8 metres long. O. Reg. 213/91, s. 81 (2).
(3) The rungs of a wooden ladder of the cleat type,
(a) shall measure not less than,
(i) nineteen millimetres by sixty-four millimetres if the side rails are 400 millimetres apart, or
(ii) nineteen millimetres by eighty-nine millimetres if the side rails are more than 400 millimetres and not more than 610 millimetres apart; and
(b) shall be braced by filler blocks that are nineteen millimetres thick and are located between the rungs. O. Reg. 213/91, s. 81 (3).
82. A double-width wooden ladder,
(a) shall have three evenly-spaced rails that measure at least thirty-eight millimetres by 140 millimetres;
(b) shall have rungs that,
(i) measure at least thirty-eight millimetres by eighty-nine millimetres,
(ii) extend the full width of the ladder, and
(iii) are braced by filler blocks that are at least 19 millimetres thick; and
(c) shall not be less than 1.5 metres wide and not more than two metres wide. O. Reg. 213/91, s. 82.
83. (1) When a step-ladder is being used as a self-supporting unit, its legs shall be fully-spread and its spreader shall be locked. O. Reg. 213/91, s. 83 (1).
(2) No worker shall stand on the top of or the pail shelf of a step-ladder. O. Reg. 213/91, s. 83 (2).
84. (1) Subject to subsection (2), an access ladder fixed in position,
(a) shall be vertical;
(b) shall have rest platforms at not more than nine metre intervals;
(c) shall be offset at each rest platform;
(d) where the ladder extends over three metres above grade, floor or landing, shall have a safety cage commencing not more than 2.2 metres above grade, floor or landing and continuing at least 90 centimetres above the top landing with openings to permit access by a worker to rest platforms or to the top landing;
(e) shall have side rails that extend 90 centimetres above the landing; and
(f) shall have rungs that are at least 15 centimetres from the wall and spaced at regular intervals. O. Reg. 631/94, s. 2.
(2) Subsection (1) does not apply to an access ladder on a tower, water tank, chimney or similar structure that has a safety device that will provide protection should a worker using the ladder fall. O. Reg. 631/94, s. 2.
85., 86. REVOKED: O. Reg. 145/00, s. 24.