1.1. Unless the context otherwise indicates or unless otherwise mentioned,(1) “CSA” means the Canadian Standards Association;
(2) “hoisting apparatus” includes cranes, travelling cranes, gantries, winches, blocks and other similar apparatus but does not include elevators and dumb-waiters;
(3) “suitable” means in accordance with the appraisal of the Inspection Service;
(4) “approved” means accepted by the Inspection Service or by any agency designated by the Government;
(5) “camps” means temporary or permanent buildings and their dependences, organized by the employer to accommodate the workers engaged in forestry operations, mining, railroad, road and dam work and other similar works, in saw mills, in pulp and paper mills, whether they are permanent, temporary or summer camps;
(6) “fire load” means the average mass of combustible materials per square metre, from which the potential heat liberation may be calculated based on the calorific value of the materials and includes the furnishings, finished floor, wall ceiling finishes, trim, and temporary and movable partitions;
(7) “combustible construction” means construction that does not meet the requirements for non-combustible construction;
(8) “non-combustible construction” means construction in which a degree of fire safety is attained by the use of non-combustible materials for structural members and other building assemblies;
(9) “harmful effect” means any bodily injury, disease, or impairment, except where such a condition is transitory, infrequent, of short duration, not cumulative, and does not endanger the persons so affected;
(10) “establishment” means the industrial and commercial establishment defined by the Industrial and Commercial Establishments Act (chapter E-15);
(11) “industrial and commercial establishment occupancy, high hazard” means the occupancy of a building or part of it containing sufficient quantities of highly combustible and flammable or explosive materials which, because of their inherent characteristics, constitute a special fire hazard (see Schedule 1);
(12) “industrial and commercial establishment occupancy, low hazard” means the occupancy of a building in which the combustible content is not more than 50 kg/m2 or 1,200 MJ/m2 of floor area (see Schedule 1);
(13) “industrial and commercial establishment occupancy, medium hazard” means the occupancy of a building or part of it containing more than 50 kg/m2 or 1,200 MJ/m2 of floor, and not classified as high hazard industrial occupancy (see Schedule 1);
(14) “service stair” means a stair leading to machinery or boiler rooms, or a stair servicing any machinery platform. Such stair cannot be used as an exit;
(15) “harmful exposure” means exposure to dusts, fumes, mists, vapours or gases of such duration and of such concentration as to produce effects herein defined as harmful. Concentrations which are considered to be the maximum acceptable limits for various substances are listed in the report entitled Threshold Limit Values of Airborne Contaminants, published by the American Conference of Governmental Industrial Hygienists (ACGIH);
(16) “inspector” means the inspector appointed under the Act respecting occupational health and safety (chapter S-2.1);
(17) “installation” means any group of apparatus, or electrical, technical, mechanical, sanitary, frigorific or safety devices or elements including, in particular, a conveyor installation and a lightning rod installation;
(18) “flammable liquid” means a liquid having a flash point below 60 ºC and a vapour pressure not exceeding 275 kPa at 38 ºC;
(19) “non-combustible material” means material which conforms to CSA Standard B54.1 or to ASTM Standard E 136-1965;
(20) “motor” includes steam and gas engine or turbine internal combustion and compressed air engines, electrical motors, turbines and hydraulic wheels and wind-engines;
(21) “NFPA” means the National Fire Protection Association;
(22) “flash point” means the minimum temperature at which a liquid emits sufficient vapour to form a mixture capable of being ignited near the surface of the liquid when in contact with air;
(23) “punch press” means a machine operated by hand or foot or activated by an air or oil motor and equipped with slide-blocks or plunger-pistons with punchs used to assemble, compress, form, cut, punch or stamp metals, plastics or other materials excluding machines for hot forging;
(24) “professional risk” means risk of corporal injury caused by an accident or a disease occurring to a worker due to the nature of his work or while working;
(25) “Inspection Service” means the body of officers appointed by the Gouvernement du Québec to enforce this Regulation under the authority of the Director (chief inspector) and his representatives;
(26) “corrosive substance” means a substance that when in contact with animal tissue, produces by chemical reaction more or less severe destruction whose effects to the system are either of a secondary nature or less pronounced than those caused by poisons;
(27) “hazardous substance” means a substance because of its explosive, flammable, poisonous, corrosive, oxidizing, irritant or otherwise harmful nature is likely to cause injury;
(28) “irritant substance” means a substance that when in contact with animal tissue, causes more or less severe inflammation not leading to destruction of tissues or effects on the system;
(29) “harmful substance” when applied to dust, fumes, mists, vapours or gases, means a generator of injury or impairment of the normal functions of any part of the body, except where such a condition is transitory, infrequent, or of a short duration, not cumulative and does not endanger the persons exposed to these substances;
(30) “oxidizing substance” means a substance which, while not combustible itself, can provide sufficient oxygen to support the combustion of combustible materials in the absence of air; these substances include, nitrates, chlorates, perchlorates, peroxides, permanganates and oxygen;
(31) “spontaneously combustible substance” means a substance which, when exposed to air, oxidizes slowly and may be ignited by autogenously developed heat without the application of an external source of ignition;
(32) “poisonous substance” means a substance which, when taken in low concentrations by mouth, or inhaled, or absorbed through the skin, rapidly jeopardizes health or life by other than mechanical or physical action;
(33) “self-propelling vehicle” means a motor vehicle mounted on wheels, on caterpillars or on rails, used for the transportation of objects or materials, or for towing or pushing trollies, carriages or materials;
(34) “adequate ventilation” means ventilation that under normal operating conditions is sufficient to keep the concentration of gases, vapours, fumes, or dust concentrations below the amount which will produce harmful effects or below 25% of the low explosive limit, whichever is lower;
(35) “working zone” means the floor space required by the worker to perform his work freely.