(2) Where an inspection made in accordance with subsection (1) reveals a defect or condition that adversely affects the structural integrity of a temporary structure, no employee shall use the temporary structure until the defect or condition is remedied.
- SOR/2002-208, s. 9(F).
3.7 Where a person or a vehicle may come into contact with a temporary structure, a person shall be positioned at the base of the temporary structure or a highly visible barricade shall be installed around it to prevent any such contact.
- SOR/96-525, s. 9.
Guardrails and Toe Boards
(2) The guardrails and toe boards referred to in subsection (1) shall meet the standards set out in sections 2.12 and 2.13.
- SOR/2000-374, s. 3.
Temporary Stairs, Ramps and Platforms
3.9 (1) Subject to subsection 3.10(3), temporary stairs, ramps and platforms shall be designed, constructed and maintained to support any load that is likely to be imposed on them and to allow safe passage of persons and equipment on them.
(2) Temporary stairs shall have
(3) Temporary ramps and platforms shall be
(4) A temporary ramp shall be so constructed that its slope does not exceed
(2) The footings and supports of every scaffold shall be capable of carrying, without dangerous settling, all loads that are likely to be imposed on them.
(3) Every scaffold shall be capable of supporting at least four times the load that is likely to be imposed on it.
(4) The platform of every scaffold shall be at least 480 mm wide and securely fastened in place.
3.11 (1) Commercially manufactured portable ladders shall meet the standards set out in CSA Standard CAN3-Z11-M81, Portable Ladders, the English version of which is dated September, 1981, as amended to March, 1983 and the French version of which is dated August, 1982, as amended to June, 1983.
(2) Subject to subsection (3), every portable ladder shall, while being used,
(3) Where, because of the nature of the location or of the work being done, a portable ladder cannot be securely fastened in place, it shall, while being used, be sloped so that the base of the ladder 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.
(4) Every portable ladder that provides access from one level to another shall extend at least three rungs above the higher level.
(5) Metal or wire-bound portable ladders shall not be used where there is a hazard that they may come into contact with any live electrical circuit or equipment.
(6) No employee shall work from any of the three top rungs of any single or extension portable ladder or from either of the two top steps of any portable step ladder.
- SOR/88-632, s. 7(F).
3.12 (1) Before the commencement of work on a tunnel, excavation or trench, the employer shall mark the location of all underground pipes, cables and conduits in the area where the work is to be done.
(2) Where an excavation or trench constitutes a hazard to employees, a highly visible barricade shall be installed around it.
(3) In a tunnel or in an excavation or trench that is more than 1.4 m deep and whose sides are sloped at an angle of 45° or more to the horizontal
shall be supported by shoring and bracing that is installed as the tunnel, excavation or trench is being excavated.
(4) Subsection (3) does not apply in respect of a trench where the employer provides a system of shoring composed of steel plates and bracing, welded or bolted together, that can support the walls of the trench from the ground level to the trench bottom and can be moved along as work progresses.
(5) The installation and removal of the shoring and bracing referred to in subsection (3) shall be performed or supervised by a qualified person.
(6) Tools, machinery, timber, excavated materials or other objects shall not be placed within 1 m from the edge of an excavation or trench.
- SOR/96-525, s. 10.
3.13 (1) Where there is a hazard that tools, equipment or materials may fall onto or from a temporary structure, the employer shall provide a protective structure or a safety net to protect from injury any employee on or below the temporary structure.
(2) The design, construction and installation of a safety net referred to in subsection (1) shall meet the standards set out in ANSI Standard ANSI A10.11-1979, American National Standard for Safety Nets Used During Construction, Repair and Demolition Operations, dated August 7, 1979.
3.14 Every platform, hand-rail, guardrail and work area on a temporary structure used by an employee shall be kept free of accumulations of ice and snow while the temporary structure is in use.
3.15 The floor of a temporary structure used by an employee shall be kept free of grease, oil or other slippery substance and of any material or object that may cause an employee to trip.
PART IVElevating Devices
4.1 This Part does not apply to elevating devices used in the underground workings of mines.
(2) For the purposes of subsection (1), the applicable CSA standard for
(a) elevators, dumbwaiters, escalators and moving walks is CSA Standard CAN3-B44-M85, Safety Code for Elevators, other than clause 9.1.4 thereof, the English version of which is dated November 1985 and the French version of which is dated March 1986;
(b) manlifts is CSA Standard B311-M1979, Safety Code for Manlifts, the English version of which is dated October, 1979 and the French version of which is dated July, 1984 and Supplement No. 1-1984 to B311-M1979, the English version of which is dated June, 1984 and the French version of which is dated August, 1984; and
(c) elevating devices for the handicapped is CSA Standard CAN3-B355-M81, Safety Code for Elevating Devices for the Handicapped, the English version of which is dated April, 1981 and the French version of which is dated December, 1981.
- SOR/88-632, s. 8;
- SOR/94-263, s. 10.
Use and Operation
4.3 No elevating device shall be used or operated with a load in excess of the load that it was designed and installed to move safely.
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