S-2.1, r. 13 - Regulation respecting occupational health and safety

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1. Definitions: In this Regulation,
“ACNOR” means the Canadian Standards Association or the Association canadienne de normalisation;
“aerial basket lifting device” means any elevator equipped with an extendable/retractable or jointed arm designed to be fitted with a carrier and used to lift workers or supplies by means of a basket on work sites;
“air recirculation” means local exhaust ventilation by extraction, filtering of the air and redistribution of the filtered air in a work area;
“all-terrain vehicle” means any passenger vehicle designed for sports driving off public highways and whose net weight does not exceed 450 kg;
“ANSI” means the American National Standards Institute;
“asbestos” means the fibrous form of mineral silicates belonging to rock-forming minerals of the serpentine group, namely chrysotile, and the amphibole group, namely actinolite, amosite, anthophyllite, crocidolite, tremolite or any mixture containing one or more of these minerals;
“asbestos dust” means airborne asbestos particles or deposited asbestos particles liable to become airborne in the work area;
“ASME” means the American Society of Mechanical Engineers;
“CGA” means the Canadian Gas Association or the Association canadienne du gaz;
“continuous noise” means a steady noise including a noise caused by mechanical shocks of solid bodies or by impulses repeated at a frequency greater than one per second;
“corrected dBA” means the sound level expressed in dBA after an increase in the measured level of the predominant frequency band;
“CSA” means the Canadian Standards Association or the Association canadienne de normalisation;
“dB” means a dimensionless unit used to express in logarithmic form the relation existing between a measured quantity and a reference value which, when applied to sound pressure, is established in accordance with section 3 of publication No. 179 (second edition, 1973) of the Central Office of the International Electrotechnical Commission;
“dBA” means the value of the overall sound level measured on the A scale established in accordance with the standards and methods prescribed in publication No. 179 (second edition, 1973) of the Central Office of the International Electrotechnical Commission;
“EN”: a European standard issued by the European Committee for Standardisation;
“enclosed area” means any area that is completely or partially enclosed, especially a reservoir, a silo, a vat, a hopper, a chamber, a vault, a tank, a sewer including a ditch and a temporary manure storage ditch, a pipe, a chimney, an access shaft, a truck or freight car tank, which has the following inherent conditions:
(1)  is not designed for human occupation, nor intended to be, but may occasionally be occupied for the performance of work;
(2)   access to which can only be had by a restricted entrance/exit;
(3)  can represent a risk for the health and safety of anyone who enters, owing to any one of the following factors:
(a)  its design, construction or location, except for the entrance/exit provided for in paragraph 2;
(b)  its atmosphere or insufficiency of natural or mechanical ventilation;
(c)  the materials or substances that it contains;
(d)  or other related hazards;
“friable material” means material that can be crumbled, pulverized or powdered by hand pressure when dry or that is crumbled, pulverized or powdered;
“heat stress” means heat unbalance in a worker caused by working in a hot environment;
“high-efficiency filter” means any filter capable of filtering particles 0.3 µm in size at an efficiency rate of at least 99.97%;
“hoisting apparatus” includes cranes, travelling cranes, gantries, winches, blocks, lift trucks, aerial basket lifting devices, work platform lifts, screw-type jacks, rack-type jacks and other similar apparatus but does not include elevators and dumb-waiters;
“impact noise” means any noise caused by mechanical shocks of solid bodies or by impulses repeated or not repeated at a frequency less than or equal to one per second;
“instructor” means a person in charge of the practical training and communication of theoretical knowledge required for the acquisition of occupational skills;
“linear dB” means the overall sound level measured in such a way that the various frequencies of the sound spectrum are in no way attenuated;
“NFPA” means the National Fire Protection Association;
“peak value” means the maximum level reached by a sound wave;
“predominant frequency band” means a frequency band whose level passes through a maximum that exceeds the arithmetic average of the levels of the preceding and following octave bands by 4 dB or more, and for the bands at the upper and lower limits of the sound spectrum, whose level exceeds that of the contiguous octave band by 5 dB;
“protective device” means a set of devices which when used alone or with a protector on machinery, eliminates dangers or reduces risks for the health, safety and physical well-being of workers;
“rated load” means the maximum load set by the manufacturer or an engineer;
“respirable asbestos fibre” means asbestos fibre having a diameter of less than 3 µm and a ratio of length to diameter of more than 3:1. Only fibres longer than 5 µm are taken into account for measurement purposes;
“respiratory zone” means the zone within a hemisphere having a 300 mm radius extending in front of the face and measured from the midpoint of an imaginary line joining the ears;
“SAE” means the Society of Automotive Engineers;
“safety factor” means the ratio between the rupture load and the working load;
“self-propelled vehicle” means a motor vehicle mounted on wheels, on tracks or on rails, used for the transportation of objects or materials, or for towing or pushing trailers or materials, with the exception of an all-terrain vehicle or an elevating or lifting device;
“stationary work station” means any work station in which a worker is required to perform his duties for at least 4 hours of his working day over a usual work surface of 30 m2 or less;
“washroom” means any room containing one or several toilets, urinals, sinks or showers to meet the sanitary needs of the workers of an establishment;
“work station” means any place, including a vehicle occupied by a worker to perform his work;
“ULC” means the Underwriters’ Laboratories of Canada or the Laboratoires des assureurs du Canada.
O.C. 885-2001, s. 1; O.C. 510-2008, s. 1.