"guard" means a type of safeguard consisting of a physical barrier which prevents an employee from reaching over, under, around or through the barrier to a moving part or'Point of operation;

"jumbo" means a mobile platfonn having one or more levels which provides work area for persons, machines, tools, drills or other materials:

"point of operation" means the danger area in a machine where a part is being formed or work is being done;

"power transmission part" means any moving part that transfers power from a power source to a point of operations;

"safeguard" means the use of a guard, a safety device, a shield, an awareness barrier, warning signs, or other appropriate means, either singly or in combination, to provide effective protection to employees from hazards;

"safety device" means a type of safeguard consisting of operating controls, an active or passive physical restraint, or presence sensing device which ensures that an employee cannot access or be in a hazardous area while a machine is operating; and

"shield" means a type of safeguard consisting of a physical cover or barrier which restricts but does not prevent access to a hazardous moving part or a point of operation.

Safeguarding Requirements
14.24.1.1

Unless elsewhere provided in this Part, the railway must ensure that machinery and equipment are fitted with adequate safeguards which:

Standards
14.24.1.2

The application, design, construction and use of safeguards must meet the requirements of CSA Standard Z432-94, "Safeguarding of Machinery", or other standard acceptable to the safety officer, unless otherwise specified in this Part.

Effectiveness of Safeguards
14.24.1.3

Fixed Guards
14.24.1.4

A fixed guard must not be modified to be readily movable without the use of tools.

Lubrication
14.24.1.5

A guard must be designed, where practicable, to allow lubrication and routine maintenance without removal of the guard.

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Opening and Reach Distance
14.24.1.6

A safeguard must not be removed or made inoperable until the equipment it is safeguarding has been locked out as required by Division 25 of this Part.

Safe Operation
14.24.1.7

A machine, piece of equipment and process must be operated in accordance with the manufacturer's recommendations and instructions, and with this Part.

Identifying Unsafe Equipment
14.24.1.8

An unsafe tool, machine or piece of equipment must be removed from service and identified in a manner which will ensure it is not inadvertently returned to service until it has been made safe for use.

Operating Controls ".
14.24.1.9

(1) Powered equipment other than portable power tools or mobile equipment must have: (a) starting and stopping controls located within easy reach of the operator;

(b) controls and switches clearly identified to indicate the function they serve;

(c) controls positioned, designed or shielded as necessary to prevent inadvertent activation;

(d) if two-hand controls are installed, controls designed to require concurrent use of both hands to operate the equipment, and require both controls to be released before another machine cycle can be initiated; and

(e) controls systems meeting the requirements of this Part.

(2) Portable power tools and mobile equipment must have operating controls conforming to an appropriate standard acceptable to the safety officer.

Machinery Location
14.24.1.10

A machine must be located or safeguarded so that operation of the machine will not endanger employees using normal passage routes about the workplace or operating an adjacent machine.

Marking Physical Hazards
14.24.1.11

(1) A physical hazard must be marked in a manner that clearly identifies the hazard to the effected employees.

(2) The marking of hazards must conform to the following standards:

(a) CSA Standard CAN/CSA-Z321-96, Signs and Symbols for the Workplace;
(b) ANSI Standard Z535.1-1991, Safety Colour Code;
(c) ANSI Standard Z535.2-1991, Environmental and Facility Safety Signs;
(d) ISO Standard 3864:1984, Safety Colours and Safety Signs.

(e) other standard acceptable to the safety officer.

Identification of Piping
14.24.1.12

(1) A piping system containing controlled products must be identified in accordance with WHMIS requirements in subdivision 14.13 of this Part.

(2) A piping system containing substances other than controlled products must be identified in a manner known to the affected employees.

(3) The identification markings on a piping system must be maintained in a legible condition.

Restraining Devices
14.24.1.13

Effective means of restraint must be used:

(a) on a connection of a hose or a pipe if inadvertent disconnection could endanger an employee, or

(b) to secure an object from falling and endangering an employee.

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Rotating Hazards
14.24.2.1

Rotating parts, such as friction drives, shafts, couplings and collars, set screws and bolts, keys and keyways, and projecting shaft ends, exposed to contact by employees must be guarded.

Gears and Sprockets
14.24.2.2

(1) Every gear and chain sprocket must be completely enclosed, or if complete enclosure is impracticable, must have band-type guards with flanges extending below the root of the teeth.

(2) If there is a hazard from rotating spokes, the spokes must be guarded on the sides accessible to employees.

Reciprocating Machinery
14.24.2.3

A crank, connecting rod, extension piston rod or other reciprocating or oscillating part exposed to contact by employees must be guarded.

Drive Belts
14.24.2.4

A power transmission belt, rope or chain must be guarded to protect employees who would be endangered in the event of its failure.

Reaching Up
14.24.2.5

(1) The in-running nip point of a power transmission belt, rope or chain, and any portion of a flywheel or pulley located within 2.5 m (8 ft) above a floor, walkway or platform must be guarded to prevent contact by employees.

(2) An installation of the type covered by subsection (1) in place before January 01, 1999, which has unguarded parts more than 2.1 m (7 ft) but less than 2.5 m (8 ft) above the floor, walkway or platform may have those portions remain unguarded unless the work process presents an undue risk to employees if those portions remain unguarded, or until such time as the installation is substantially overhauled or renovated.

Flywheels and Pulleys
14.24.2.6

(1) A pit for a flywheel or pulley must have curbs or toeboards around the upper edge of the pit.

(2) A flywheel or pulley must not be operated at a speed that exceeds the manufacturer's

specifications.

(3) A flywheel or pulley which is defective or has been exposed to excessive heat must be removed from service and must not be returned to service until it has been repaired according to the manufacturer's recommendations, or certified safe for use by a professional engineer.

Standards
14.24.3.1

Unless otherwise permitted by this standard, a conveyor must meet the requirements of ANSI Standard ANSVASME B20.l-1993, "Safety Standards for Conveyors and Related Equipment", or other standard acceptable to the safety officer.

Belt- Type Conveyors
14.24.3.2

A belt conveyor must have accessible nip points of spools and pulleys guarded to prevent contact by an employee.

Screw- Type Conveyors
14.24.3.3

(1) The moving parts of a screw type conveyor must be guarded from contact be an employee.

(2) Each guard on a screw type conveyor must be secured by fasteners requiring a tool for removal. (3) The openings in mesh and grid guards must meet the requirements of Appendix A of CSA

Standard 2432-94, "Safe Guarding of Machinery", or other standard acceptable to the safety officer.

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(3) The openings in mesh and grid guards must meet the requirements of CSA Standard Z432-94, Safeguarding of Machinery, or other standard acceptable to the safety officer.

Feed Points
14.24.3.4

If the feed point for a conveyor cannot be guarded because of the work process, any employees required to be in the area must have and use suitable devices and tools which prevent the employee from contacting moving parts of the conveyor system.

Note: Suitable devices include safety belts and lanyards rigged to prevent the employee from contacting moving parts. Suitable tools including materials-handling tools such as shovels or rakes, except shovels or other tools with "D" handles must not be used.

Lockout
14.24.3.5

Unless a conveyor has been locked out as required by Division 25 of this Part an employee must not be on the conveyor, and a guard or safety device must not be removed.

Falling Materials
14.24.3.6 A conveyor must have guards or sideboards to prevent material from falling from the conveyor into areas occupied by employees if the falling material presents a hazard of impact injury or burn.

Emergency Stopping Devices
14.24.3.7

(1) A conveyor must have an emergency stopping system unless employee access to the conveyor is prevented by guarding.

(2) The conveyor emergency stopping system must be designed and installed so that the system will activate as an employee falls onto the conveyor, or if a fallen employee on the conveyor moves an arm or leg off to one side of the conveyor.

(3) If a conveyor stopping system uses a pull wire, the system must activate by a pull of the wire in any direction, or by a slack cable condition.

(4) The conveyor emergency stopping system must be designed and installed so that the conveyor cannot be started by anyone until the device that stopped the conveyor has been manually reset and the resetting of the device will not restart the conveyor.

(5) The conveyor starting controls must only be located in one location.

(6) A conveyor must not be restarted after an emergency stop until inspection has determined it can be operated safely.

Standards
14.24.4.1

Point of operation safeguarding, and the design, construction and reliability of operating controls of a power press, brake press, power press, ironworker or shear must meet the requirements of the following applicable standard:

(a) CSA Standard CAN/CSA-ZI42-M90," Code for Punch Press and Brake Press Operation: Health Safety, and Guarding Requirements";

(b) ANSI Standard B 11.4-1993, "American National Standard for Machine Tools -Shears -Safety Requirements for Construction Care, and Use";

(c) ANSI Standard B11.5-1988 (R1994)," American National Standard for Machine Tools - Ironworkers -Safety requirements for Construction, Care and Use", or

(d) other standard acceptable to the safety officer.

Point of Operation Safeguarding
14.24.4.2

(1) The point of operation of a power press, brake press or shear must be safeguarded to prevent injury to the operator or any other employee.

(2) A hand feeding or extraction tool must not be used as a substitute for point of operation safeguard. (3) A guillotine shear must have a guard or other device which protects the operator from flying

particles emanating from the shears.

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(4) The point of operation of a manually powered press, shear or cutter must be effectively guarded.

Exception for Custom Work
14.24.4.3

The safeguarding for the point of operation ofa brake press may be removed if the custom or different bends are being done with each cycle of the machine, provided that safe work procedures are followed, and safeguarding is replaced upon completion of such custom work.

Supervisory Control
14.24.4.4

If a power press or brake press is being used in a production mode the keys for all control selector switches must remain under a supervisor's control.

Flywheel Guarding
14.24.4.5 A power press flywheel must be guarded as required by section 14.24.2.5

Feed-Rolls
14.24.5.1

Feed-rolls must have a guard or safety device to prevent the operator from contacting any in- running nip points.

Guarding Design
14.24.5.2

A feed-roll guard must be effective for the material thickness being processed, and the clearance between the guard and the material passing through the feed-rolls must not exceed 6 mm (1/4 in).

Metal-Forming Rolls
14.24.5.3

If the work process on metal-forming rolls precludes the use of guards, an emergency stopping system must be installed across the machine, and also across the rear (offside) of the machine if an employee is exposed to the hazard on that side, and the emergency stopping system must activate automatically when contacted.

Splash Guards and Shields
14.24.6.1

Cutting or cooling fluids, metal chips, scarf or turnings from machine tool work must be contained.

Restriction on Hand Polishing
14.24.6.3 Lathe stock must be polished with tools designed for this purpose, and the use of hand held strips of abrasive cloth is prohibited.

Stock Projection
14.24.6.4

Safeguards must be provided to prevent an employee from contacting stock projecting from a machine tool.

Shapers/Planers
14.24.6.5

A shaper or planer bed opening must be safeguarded or covered to eliminate shearing hazards.

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Carriage Travel
14.24.6.6

Safeguards must be installed at the farthest points of travel of the carriage table of a shaper, planer, surface grinder or similar equipment to protect employees against contact with moving parts.

Vertical Boring
14.24.6.7

The rim of the revolving table of a vertical boring mill must be safeguarded to prevent contact by employees.

14.24.7 ABRASIVE EQUIPMENT

Standards
14.24.7.1

An abrasive wheel must be guarded, used and maintained to meet the requirements of ANSI Standard B7.1-1988, "The Use, Care and Protection of Abrasive. Wheels"; or other standard acceptable to the safety officer.

Protective Hood
14.24.7.2

(1) An abrasive wheel must have a protective hood that will contain fragments of the wheel should it break apart while turning

(2) Subsection (1) does not apply to:

(a) an abrasive wheel used for internal work;

(b) a mounted wheel of any shape or type which is 50 mm (2 in) or less in diameter;

(c) a threaded-hole, cone or plug type wheel if the nature of the work provides protection; or

(d) a portable grinder when it is being used for grinding root passes in welded pipe, provided it has a protected hood covering at least 120° of the wheel periphery and the operator wears adequate eye and face protection.

Speed of Abrasive Wheels
14.24.7.3

(1) An abrasive wheel must not rotate at a speed that exceeds the wheel manufacturer's specifications.

(2) The allowable arbor shaft speed of abrasive equipment must be clearly marked on the equipment.

(3) A pneumatic grinder must have a governor which limits maximum shaft speed to that specified by

the tool manufacturer, and the maximum rated speed must be marked on the equipment.

(4) An abrasive or wire wheel must be selected and used in accordance with the wheel manufacturer's recommendations.

Grinding Prohibitions
14.24.7.4

The side of an abrasive wheel must not be used for grinding and non-ferrous materials must not be ground unless the wheel is designed for such use.

Work Rests
12.48

When the work is hand-held, a grinding machine must have an adjustable work rest with its upper edge at or above the centreline of the abrasive wheel and within 3 mm (1/8 in) of the cutting surface.

Dust Control
14.24.7.6

Dust from a grinding or buffing operations must be controlled to prevent a hazard to any employee.

Dressing Grinding Wheels
14.24.7.7

A grinding wheel must be dressed with the proper tool at the intervals recommended by the wheel manufacturer

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Standards
14.24.8.1

A powder actuated fastening system, consisting of the tool, powder loads and fasteners must meet the requirements of ANSI Standard A 10.3-1995, "American National Standard for Construction

and Demolition Operations-Safety Requirements for Powder-Actuated Fastening Systems" or other standard acceptable to the safety officer .

Tool Selection
14.24.8.2

A low velocity powder actuated tool, with a fastener test speed of less than l00 m (300 ft) per second, must be used unless no low velocity tool available on the market is capable of doing the fastening task.

Tool Design
14.24.8.3 .

(1) Two separate and distinct operations must be required to activate a powder actuated tool and the final firing position must be separate and subsequent to depressing the tool into the firing position.

(2) The tool must be designed so that positive means of varying the power level is available, or can be made available, so that the operator may select a power level appropriate to perform the desired work.

Markings
14.24.8.4

(1) A powder actuated tool must be marked with the manufacturer's name or trademark, model number and serial number.

(2) A guard or accessory for use with a powder actuated tool must be marked with the manufacturer's name or trademark.

Storage -
14.24.8.5

(1) When not in use, a powder actuated tool must be unloaded and the tool and power loads must be securely stored and be accessible to qualified and authorized persons.

(2) Power loads of different power levels and types must be kept in different compartments or containers.

Tool Use
14.24.8.6

(1) Only qualified and authorized persons may handle or use a powder actuated tool or power loads. The operator must have immediately available when using or servicing a powder actuated tool:

(a) a copy of the manufacturer's operating instructions for the tool;

(b) a copy of the power load and fastener charts for the tool; and

(c) any accessories or tools needed for use or field servicing of the tool, including personal

protective equipment.

(3) A powder actuated fastening system must be used and serviced in accordance with the requirements of the tool manufacturer.

(4) A powder actuated tool must not be used in an explosive or flammable atmosphere.

(5) A powder actuated tool may only be loaded when it is being prepared for immediate use, and must be unloaded at once if work is interrupted after loading.

(6)A powder actuated tool must not be pointed at any person.

(7) If a powder actuated tool misfires, the operator must hold the tool firmly against the work surface for at least 5 seconds, then follow the manufacturer's instructions for such occurrences, and until the cartridge has been ejected, keep the tool pointed in a direction which will not cause injury to any person.

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Limitations on Use
14.24.8.7

(1) A powder actuated tool fastener must not be driven into very hard or brittle materials, such as cast iron, glazed tile, hardened steel, glass block, natural rock and most brick.

(2) A powder actuated tool fastener may only be driven into easily penetrated or thin materials or materials of unknown resistance if the receiving materials is backed by a material that will prevent the fastener from passing completely through.

(3) A powder actuated tool fastener must not be driven into steel within 13 mm (1/2 in) of an edge, or within 5 cm (2 in) of a weld except for special applications permitted by the tool manufacturer.

(4) Except for special applications recommended by the manufacturer, powder actuated tool fastener may not be driven into masonry materials:

(a) within 7.5 cm (3 in) of an unsupported edge with a low velocity tool, or

(b) within 15 cm (6 in) of an unsupported edge with a medium or high velocity tool.

(5) A powder actuated tool fastener must not be driven:

(a) into concrete unless material thickness is at least 3 times the fastener shank penetration;

(b) into any spalled area; or

(c) through existing holes unless a specific guide means, as recommended and supplied by the tool manufacturer, is used to assure positive alignment.

14.24.9 WOODWORKING TOOLS AND EQUIPMENT

Hand Feeding
14.24.9.1

A template jig, or push stick must be used if there is a risk of injury to an employee's hands when feeding woodworking machinery ...

Removing Guards
14.24.9.2

(1) If the use of a guard on woodworking machinery is clearly impracticable for a specific operation the guard may be removed, but an appropriate push stick, jig, feather board or similar device must be used to prevent the operator encroaching into the cutting area, and upon completion of the operation the guard must be replaced.

(2) A guard may otherwise only be removed if the guard itself creates a hazard, or if its removal is necessary for maintenance.

Kickback Fingers, Splitters and Spreaders
14.24.9.3

(1) Except as provided in subsection

(2), a hand-fed circular saw with rip-type teeth must have kickback fingers and a splitter or spreader designed to prevent kickback.

(2) Kickback fingers, splitters or spreaders are not required when grooving, dadoing or rabbiting.

Radial Arm Saw Travel Limits
14.24.9.4

The cutting table and the saw travel stop on a radial arm saw must be designed and maintained so that no part of the saw blade can travel past the forward edge of the cutting table.

Joiners
14.24.9.5

A hand-fed wood joiner must have a self adjusting guard over the cutting head on the working side and a guard over the portion of the cutting head behind the face.

(1) The revolving drums, pulleys, nip points, and unused runs of a sanding belt of a sanding machine must be effectively guarded.

(2) Guards must be arranged so that only the portion of the belt necessary for the operation is exposed.

Tenoning Machines
14.24.9.7

A hand-fed tenoning machine must have a device which holds the material being cut.

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Hand-Held Circular Saws
14.24.9.8

A hand-held circular saw must have a guard which automatically adjusts to the thickness of the material being cut, and which, when the saw is withdrawn from the material, completely covers the cutting area of the blade.

Cutting Heads
14.24.9.9

(1) A cutting head on a woodworking tool or piece of equipment such as a router, a shaper or a sticker must be properly adjusted and secured.

(2) If two or more knives are used in one head, they must be balanced.

(3) A cutting head protective hood fitted on woodworking equipment must be strong enough to contain fragments which result from failure of cutting head components.

(4) A small hand held router using a one piece cutting bit is exempt from the requirements of subsection (3).

Band Saws
14.24.9.10

(1) A band saw blade must be enclosed or guarded, except for the working side of the blade between the guide rolls and the table.

(2) A band saw wheel must be fully encased.

Hand-Fed Chippers
14.24.10.1

A hand-fed mobile chippers must have a table or apron on the feed side of the rotor to prevent the ejection of chipped material.

Self-Feeding Chippers
14.24.10.2

A self-feeding chipper must have a table or apron extending at least 1.5 m (5 ft) back from the rotor with sides sufficiently high to prevent an employee from reaching in and contacting the knife.

14.24.10.3

A driven-feed chipper must have a guard chute or apron extending at least 90 cm (3 ft) from the feed rollers and a panic bar to stop the feed rollers.

Vertically Fed Chippers
14.24.10.4

On a mobile chipper which gravity feeds material through a vertical hopper to the rotor, the sides of the hopper must be of a depth which prevents the operator from reaching in so as to contact the rotor, but which, in no case, is less than 90 cm (3 ft) measured from the top edge of the hopper to the periphery of the rotor .

Standards
14.24.11.1

(1) A chain saw must meet the requirements of Z62.1-95, Chain Saws, or other standard acceptable to the board.

(2) A chain saw must have a chain brake that activates automatically upon kickback regardless of the position of the power head or operator's hands.

(3) A chain saw manufactured before January 01, 1999, with a guide bar exceeding 66 cm (26 in), measured from the top of the cutters at the bar tip to the point of the "dogs" or "bumper spikes", is exempt from the requirement for a chain brake.

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Stopping Chain Movement
14.24.11.2

A chain saw must be stopped before the saw operator moves from cut to cut, unless the next cut is in the immediate area and the saw operator can move safely to the next cutting position.

Standards
14.24.12.1

(1) An automotive lift or hoist must meet the requirements of ANSI Standard ANSI/ALI BI53.1- 1990, " American Standard for Automotive Lifts -Safety Requirements for the Construction, Care, and Use", or other standard acceptable to the safety officer.

(2) A shop crane, jack, axel stand, ramp or other type of vehicle support must meet the requirements of the applicable section of ANSI Standard ASME P ALD-1993, "Portable Automotive Lifting Devices", or other standard acceptable to the safety officer.

(3) Devices used to lift, hoist or support rolling stock and locomotives must meet a standard acceptable to the safety officer, or be certified as suitable for use by a professional engineer.

Assembly and Installation
14.24.12.2

An automotive lift, car or locomotive lift, shop crane, jack or other vehicle, and equipment support must be assembled and installed by qualified personnel according to the manufacturer's recommendations. "

Operation
14.24.12.3

Operation, inspection, repair, maintenance and modification of vehicle and equipment support or lift must be carried out in according to the manufacturer's instructions or the written instructions of a professional engineer.

Inspection and Maintenance Records
14.24.12.4

A maintenance and inspection record for each automotive lift or hoist, car or locomotive lift or hoist, must be available at the workplace, and the railway must ensure that each inspection, repair, maintenance and modification to the lift or hoist is logged in the record system.

Inspection and Testing
14.24.12.5

An automotive lift or hoist and car or locomotive lift or hoist must be inspected and tested monthly, unless the manufacturer requires more frequent inspection and testing.

Rated Load Capacity
14.24.12.6

(1) The rated load capacity must be marked on each automotive lift or hoist and each car or locomotive lift or hoist, shop crane, jack, axel stand, ramp, or other vehicle, car or locomotive support and must not be exceeded.

(2) If a device listed in subsection (I) is modified, or if the manufacturer's rated load capacity is not known, the rated load capacity must be established by a professional engineer.

(3) If the load rating of a device listed in subsection (I) is dependent on the concurrent use of 2 or more devices, the number of devices required to achieve the load rating must be clearly marked on the devices

Controls
14.24.12.7

The control for an automotive lift must require continuous pressure the operator when raising or lowering the unit, and the control must return to the neutral position when released.

14 - 215

Tumblers
14.24.13.1

A tumbler drum must be guarded or enclosed, and any access door in a guard or enclosure must have interlocks which prevent the access door from being open while the drum is rotating and the drum from operating while the access door is open.

Pneumatic Nailing and Stapling Tools
14.24.13.2

(1) A hand held pneumatic nailing or stapling tool capable of driving fasteners larger than 1.2 m (0.05 in or 18 gauge ASWG) must not activate unless the operator perfonns 2 actions, one which is to place the tool against a work surface.

(2) The trigger of a pneumatic nailing or stapling tool must not be taped or otherwise secured in the "on" position. or held in the "on" position while moving between operations.

(3) The air supply to a pneumatic nailing or stapling tool must be disconnected before adjusting or servicing the tool.

(4) The maximum safe operating air pressure specified by the manufacturer of the tool, hoses and fittings must not be exceeded.

Industrial Robots
14.24.13.3 An industrial robot system must be installed, safeguarded, maintained, tested and started, used, programed and employees trained to meet the requirements of:

(a) CSA Standard CAN/CSA.- 2434-94, "Industrial Robots and Robot Systems -General Safety . Requirements" ;

(b) ANSI Standard ANSI/RIA R15.06-1992, " American Standard Industrial Robots and Robot Systems -Safety Requirements"; or

(c) other standard acceptable to the. safety officer . .,.,

General Requirement
14.24.14.1

The railway must ensure that before drilling:

(a) the back, face and sides of the work area have been scaled and stabilized; (b) the working face and surrounding area have been thoroughly washed; and

(c) remnants of holes have been inspected for explosives and distinctively marked

Drilling Equipment
14.24.14.2

The railway must ensure that:

(a) a rock drill is not used unless equipped with a water jet or other device capable of suppressing rock dust, and

(b) adequate restraining devices are installed on hose connections under pressure, if inadvertent disconnection could endanger employees.

Control Location
14.24.14.3

Operating controls must not be installed on the feed slide of a top-hammer percussion drill.

14.24.14.4

A worker must not proceed beyond the front of the drill controls of a drill jumbo if the drills are in operation, unless the drilling equipment is specifically designed and certified for that purpose.

14 - 216

Drill Jumbos
14.24.14.5

(1) A drill jumbo that contains decks must be:

(a) fitted with guardrails and toeboards, meeting the requirements of subdivision 14.2.1, around the upper decks;

(b) equipped with a rack or receptacle for securely storing drill rods and other equipment; (c) provided with safe access to each working level;

(d) provided with a visual warning system to warm employees located below the upper decks, before an employee above collars the boom stabilizer from the face after finishing a hole; and

(e) securely fixed in a position at the face to prevent inadvertent movement during drilling operations.

(2) Explosives must not be brought onto or under a drill jumbo during a drilling operation, nor may holes be loaded until drilling is complete.

Drilling Procedures
14.24.14.6

A driller must ensure that:

(a) the cut is not drilled in the same location as the previous round;

(b) holes are not drilled within 15 cm (6 in) of any part of a bootleg; and

(c) there is no drilling at a face when a hole is loaded or being loaded with explosives except in conformity with the requirements on drilling to refire a misfire, as specified in Division 33 of this Part.

Rod Handling
14.24.14.7

(1) A drill operating without a helper must not manually add or remove drill steel or a drill bit or service drilling equipment, while the drill is rotating under power.

(2) An employee assisting the drill operator with drill bit or drill steel handling must remain clear of rotating parts of the drill system.

(3) Except as provided in subsection (4), a boom-mounted percussion drill being used with multiple lengths of coupled steel must have a rod changer or other effective device installed and used to add or remove drill steel.

(4) If it is not practicable to fit a rod changer to a boom-mounted percussion drill, adequate written

safe work procedures for adding and removing drill steel must be available, and the drill must be operated in accordance with these procedures.

Self-Propelled Drills
14.24.14.8

(1) The operator or other employees may only ride on a self-propel1ed drill if in a safe position inside a roll over protective structure (ROPS).

(2) If there is no ROPS, the drill must have controls for machine travel located to allow the operator to move the machine from a position off the machine and clear of any hazard should the drill roll or slide down hill. .

Cleaning Drilled Holes
14.24.14.9

If a drilled hole is being cleaned using an air or water blowpipe, the operator must ensure that everyone is clear of the area made hazardous by blowback.

Breaking Metal
14.24.15.1

An effective guard or barrier must be installed to protect workers from flying metal fragments if a drop weight or other impact device is used to break castings or other metal

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Inspection of Linings
14.24.15.2

A furnace, ladle, mould or other equipment for handling or containing molten metal must be inspected at regular intervals to determine the condition of the lining, and if any abnormal deterioration is observed the equipment must be removed from service without delay.

Preventing Eruptions
14.24.15.3

All practicable means must be used to prevent eruptions caused by moisture in furnaces, ladles, crucibles, moulds and other equipment containing molten metal.

Inspection of Materials
14.24.15.4

(1) Material to be put in a melting furnace must be carefully inspected to ensure that a cylinder, tank or similar closed vessel of any description is not placed in the furnace.

(2) Before being exposed to the intense heat of a furnace, a closed vessel must be cut open to eliminate the explosion hazard, but must not be cut open using a method involving the application of heat or flame.

(3) If an employee must be near an open furnace during charging operations, the material to be melted must be carefully examined and, if necessary, must be sufficiently preheated to ensure moisture and foreign substances are eliminated.

(4) Preheating must be done under controlled circumstances to ensure that no employee is endangered by the process.

In this Subdivision:

"cabinet" means an enclosure designed to permit abrasive blasting, high pressure washing or a similar operation to be conducted safely inside the enclosure by an employee who is outside the enclosure;

"enclosure" means a temporary or permanent enclosure of a work area provided with exhaust ventilation and makeup air to reduce exposure of employees inside the enclosure and prevent the uncontrolled release of air contamination from the enclosure; and

"high pressure washing" or "jetting" means the use of water or other liquid from a pump at a pressure exceeding 34 Mpa (5,000 psi), with or without the addition of solid particles, to remove unwanted matter from the surface or to penetrate into the surface of a material for the purpose of cutting that material.

Risk Assessment
14.24.16.1

The railway must ensure that a risk assessment is done before any abrasive blasting activity, high pressure washing process, or related cleanup is started which may cause release of a harmful level of an air contaminant from a surface or coating containing a toxic heavy metal or asbestos.

Work Procedures Outside a Cabinet
14.24.16.2

If abrasive blasting, high pressure washing or similar operation is conducted by an employee outside a cabinet, written safe working procedures addressing the hazards and necessary controls must be prepared and implemented by the railway.

Substitution
14.24.16.3

Abrasive blasting materials containing crystalline silica must be replaced with less toxic materials, when practicable.

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Reuse Prohibition
14.24.16.4

(1) An abrasive material must not be reused if it:

(a) contains crystalline silica, or

(b) becomes contaminated with any harmful impurities including metals such as lead. chromium, nickel or mercury.

(2) The requirements of subsection (1) do not apply to a fully enclosed, vented cabinet designed to recirculate the abrasive material.

Cleanup
14.24.16.5

(1) Used abrasive materials which contain crystalline silica or harmful materials must be removed from the work area at the end of the work shift by using procedures designed to minimize the generation of airborne dust. and suitable personal protective equipment.

(2) Used abrasive blasting materials must not be dry swept.

Engineering Controls
14.24.16.6

Engineering controls such as an enclosure or local exhaust ventilation with dust collection must be used to maintain airborne contaminant levels below exposure limits, where practicable.

Exhaust Ventilation
14.24.16.7

(1) When abrasive blasting or similar operation is conducted within a structure, the process must be isolated in a separate, properly ventilated enclosure or cabinet to minimize employee exposure to airborne contaminants generated by the process.

(2) When abrasive blasting or a similar operation is conducted outside an enclosure or cabinet, the enclosure or cabinet must have exhaust ventilation that:

(a) maintain air pressure below the air pressure outside the enclosure or cabinet or other work areas, and prevent the escape of air contaminants from the enclosure or cabinet to other work areas, and

(b) minimizes employee exposure inside the enclosure.

Restricted Work Zones
14.24.16.8

(1) When abrasive blasting or a similar operation is conducted outside a structure, the process must be restricted to a work zone which is identified by signs or similar means as being a contaminated area.

(2) Only properly protected employees who are necessary to perform the work are permitted inside an enclosure or a restricted work zone where abrasive blasting or a similar operation is conducted.

Operating Controls
14.24.16.9

The operating controls for a sand blasting machine or jetting gun must be:

(a) located near the nozzles in a position where the operator's hands will be when using the device;

(b) the continous pressure type that immediately stops the flow of material when released; and (c) protected from inadvertent activation.

Pressure Restriction
14.24.16.10

Hoses, fittings and all other components must not be used at a pressure higher than the pressure rating specified by the manufacturer .

Jetting Gun
14.24.16.11

A jetting gun must not be modified except as authorized by the manufacturer.

Holding Work
14.24.16.12

A worker must not hand hold an object while it is being cleaned or cut by a jetting gun.

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Hose Restraint
14.24.16.13

High pressure hoses, pipes, and fittings must be supported to prevent excessive sway and movement.

Personal Protective Equipment
14.24.16.14

(1) A nozzle or jetting gun operator must wear personal protective equipment on the body, hands,

arms, legs and feet, including the metatarsal area, made of canvas, leather or other material which will protect the employees skin from injury in the event of contact with the flow from the nozzle.

(2) Unless the process is isolated from the operator in a separate cabinet, suitable respiratory protective equipment must be provided and worn whenever abrasive blasting or a similar operation is conducted.

Standards
14.24.17.1

Welding, cutting and similar processes must be carried out according to the requirements of :

(a) CSA Standard Wll7 .2-94, "Safety in Welding, Cutting, and Allied Processes", or other

standard acceptable to the safety officer;

(b) the manufacturer's instructions and recommendations for the equipment being used; and

(c) other applicable requirements of this Part.

Standards for Completed Work
14.24.17.2

Welding on a building or structure, equipment, pipeline or pressure containment system must be done according to a standard or a code acceptable to the safety officer.

Ventilation
14.24.17.3

Effective local exhaust ventilation must be used at any fixed work station to minimize employee exposure to harmful air contaminants produced by welding, burning or soldering.

Coatings on Metals
14.24.17.4

A coating on metals which could emit harmful contaminants (such as lead, chromium, organic materials, or toxic combustion products) must be removed from the base metal, whenever practicable, before welding or cutting begins.

14.24.17.5

(1) A container which may have held a combustible substances must be thoroughly cleaned before any welding or burning operation is carried out on the container.

(2) Burning, welding or other hot work must not be done on any vessel, tank, pipe or structure, or in any place where the presence of a flammable or explosive substance is likely until:

(a) tests have been made by a qualified person to ensure the work may be safely performed, and (b) suitable safe work procedures have been adopted, including additional tests made at intervals that will ensure the continuing safety of the employees.

Silver Solder
14.24.17.6

Silver solder containing cadmium must not be used without prior written approval of the safety officer.

Correct Equipment
13.24.17.7

Welding equipment, including regulators, automatic reducing valves and hoses, must be used only for the gas for which it is designed.

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Equipment Inspection
14.24.17.8

Before using gas welding or burning equipment, the operator must ensure that the equipment is free from defects, leaks, oil and grease.

Flashback Prevention
14.24.17.9

Suitable safety devices to prevent reverse gas flow and to arrest a flashback must be installed on each hose in an oxyfuel system, between the torch and the regulator, and in accordance with the manufacturer's instructions.

Receptacles for Stubs
14.24.17.10

Receptacles for electrode stubs must be provided and used.

Radiation Protection
14.24.17.11

(1) Arc welding must not be carried out unless employees who may be exposed to radiation from the arc flash are protected by adequate screens, curtains or partitions or wear suitable eye protection.

(2) A screen, curtain or partition near an arc welding operation must be made of, or be treated with, a flame resistant material or coating, and must have a nonreflective surface fmish.

Protective Clothing and Equipment
14.24.17.12

An employee involved in welding or burning operations must wear:

(a) flame resistant work clothing;

(b) gauntlet gloves of leather or other material and arm protection;

(c) an apron of leather or other suitable material for heavy work;

(d) eye and face protection against harmful radiation, particles of molten metal, and while chipping and grinding welds; and

(e) substantial safety footwear made of leather or other suitable material.

Respiratory Protection
14.24.17.13

Respiratory protectiv8"6quipment must be provide and worn:

(a) during short term welding or burning operations if the use of effective local exhaust ventilation is not practicable, and

(b) during emergency work if the installation of ventilation equipment is impracticable.

Marking Hot Work
14.24.17.14

Recently welded or flame cut work must be marked "HOT" or effectively guarded to prevent contact by an employee, if an employee not directly involved in the hot work is likely to enter the work area.

Fire Extinguishers .
14.24.17.15

(1) At least one fire extinguisher of a suitable type and capacity must be immediately available at a work location where welding or cutting is done.

(2) Fire extinguisher locations must be marked and made known to employees.

Application
14.24.18.1

Sections 14.24.18.2 to 14.24.18.15 apply to a workplace in which there is spraying or use of a paint or similar coating, a fibre reinforced resin, a thermoplastic material, an expandable resin foam, or other similar materials.

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ww AW ~~U~.A J.V1 a ii15ll~1 hazard substance or process, whenever practicable.

(2) The railway must ensure that a substitute for a paint containing toxic heavy metal components is used if an alternative product exists.

Substitution
14.24.18.2

(1) A railway must ensure that a less hazardous substance or work process is substituted for a higher hazard substance or process, whenever practicable.

(2) The employer must ensure that a substitute for a paint containing toxic heavy metal components is used if an alternative product exists.

Restrictions
14.24.18.3

(1) A toxic or flammable chemical or chlorofluorocarbon must not be used as a propellant in spraying operations.

(2) Spraying a flammable or other hazardous product is prohibited within a general work area, unless effective controls have been installed to control the fIre, explosion and toxic hazards.

(3) When practicable, a coating must not be applied to a material about to be welded.

Warning Signs
14.24.18.4

A work area or enclosure where hazardous materials are handled or used must be posted with suitable signs or placards warning employees of the hazards within the identified restricted access area and stating the precautions for entry into the area.

Enclosure
14.24.18.5

When practicable, a ventilated spray booth or other enclosure designed to control employee exposure must be used during:

(a) any operation or process which involves spraying a paint or resin; (b) lay-up or moulding of reinforced plastic; or

(c) any application of a paint, coating or insulation containing a sensitizer such as an isocyanate compound, or similar operations using very toxic materials.

Air Flow
14.24.18.6

(1) The air velocity through a horizontal flow spray booth, vertical flow, down draft booth or other enclosure required by section
14.24.18.5 must be at least:

(a) 50 cm/s (100 fpm) if the cross-sectional area is 14 m2 (150 ft2) or less, and

(b) 25 cm/s (50 fpm) if the cross-sectional area is greater than 14 m2 (150 ft2).

(2) In. outdoor application of materials listed in section 14.24.18.5, an air velocity across the work area of at least 0.25 cm/s (50 fpm) must be assured, by mechanical means if necessary , to carry vapours and aerosols away from the breathing zone of an employee.

Control or Ignition Sources
14.24.18.7

A ventilation system used to control airborne contaminants must have electrical and mechanical systems designed to control all potential ignition sources and meet the requirements of the Electrical Safety Act and the regulations made under it.

Arrester Filters
14.24.18.8

(1) A ventilation system subject to heavy concentrations of over spray from the operation must have an arrester filter.

(2) An arrester filter must be maintained in good operating condition and replaced when the pressure drop across the filter exceeds the design criteria.

Respiratory Protection
14.24.18.9 Each employee who is or may be exposed to an airborne contaminant generated by a spray operation involving a sensitizing agent must be provided with and wear air-supplied respiratory protection.

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Disposal of Isocyanate Containers
14.24.18.10

Empty, non-returnable containers which contained isocyanates must be decontaminated by filling them with water and allowing them to stand for a minimum of 48 hours, without being sealed, stoppered or closed, after which they must be pierced to prevent re-use.

Authorized Persons
14.24.18.11

Only a qualified person authorized by the railway may operate:

(a) an airless spray unit which atomizes paint and fluid at a pressure in excess of7 MPa gauge (1,000 psig),

(b) a spray paint unit powered by compressed air in excess of70 kPa gauge (10 psig); or (c) a "chopper gun" spray unit.

Airless-Spray Equipment
14.24.18.12 An airless spray gun must have:

(a) a means to electrically bond the gun to the paint reservoir and pump;

(b) a guard that will protect against trigger activation if the gun is dropped; and

(c) the trigger function configured to require two distinct operations by the user to activate the release of paint or fluid through the nozzle, or a safety device which prevents the nozzle tip from coming into contact with an employee.

Design for High Pressure
14.24.18.13

An airless spray gun, hose, fitting and pressure vessel must be designed and constructed to withstand the pressure involved.

Heating Plastics
14.24.18.14

Emissions from operations involved in heating plastics to temperatures which may release thermal decomposition products must be removed from the workplace by local exhaust ventilation when there is a risk of harm to an employee from exposure to these emissions.

Resin Foams
14.24.18.15

(1) A foam installation process performed indoors must be controlled or contained so that unprotected employees are not exposed to emissions by using an enclosure, portable local exhaust ventilation, or by scheduling arrangements.

(2) A foam installation process performed outdoors and relying on natural ventilation must be in an area restricted to authorized personnel wearing adequate personal protective equipment.

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