Major Work Activity B - Inspects and maintains crane
Table of Contents
- Task B-3 Performs pre-operational checks and regular inspections
- B-3.01 - Inspects structural components
- B-3.02 - Inspects mechanical components
- B-3.03 - Inspects lines, wire ropes and hoisting system components
- B-3.04 - Inspects hydraulic system components
- B-3.05 - Inspects electrical system components
- B-3.06 - Inspects support components
- B-3.07 - Inspects track (rail) travel components
- B-3.08 - Inspects cab components
- B-3.09 - Inspects safety and access components
- B-3.10 - Completes inspection documentation
- Task B-4 Performs continual checks
- Task B-5 Performs minor crane maintenance
Task B-3 Performs pre-operational checks and regular inspections
Task Descriptor
Inspections on tower cranes must be performed on a regular prescribed basis to ensure that the crane has been signed off by a professional engineer when required by a jurisdiction and has met safety, manufacturers’ and company specifications. All inspection activities must be documented in a logbook to comply with regulations and to preserve machine history for future reference.
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.01.01P | select and use tools and equipment | tools and equipment are selected and used according to task |
| B-3.01.02P | perform visual inspection of structural components | visual inspection of structural components is performed to identify defects, deficiencies and conditions |
| B-3.01.03P | verify that structural fasteners are in place and tightened | structural fasteners are in place and tightened according to manufacturers’ specifications and standards |
| B-3.01.04P | verify that non-destructive testing (NDT) of structural components has been conducted | NDT of structural components has been conducted and proof of inspection is documented according to company policies, jurisdictional regulations and standards |
| B-3.01.05P | check that base is in good condition, visually checking for deficiencies | base is in good condition, and deficiencies are identified |
| B-3.01.06P | check that cab is secure and in good condition, visually checking for deficiencies | cab is secure and in good condition, and deficiencies are identified |
| B-3.01.07P | check counterweight mounts and suspension devices for deficiencies and placement | counterweight mounts and suspension devices are checked for deficiencies and placement according to manufacturers’ specifications |
| B-3.01.08P | verify that attachments are fastened securely | attachments are fastened securely according to engineering specifications |
Range of Variables
- tools and equipment include: callipers, measuring tapes, temperature gauges, straight edges
- structural components include: mast, jib, apex, gantry, counter jib, pendant lines, base, base components, climbing components, cab, anchor, tower bolts, jib pins, turntable, bolts, counterweights
- deficiencies include: cracks, wear points, cracked welds, deformations, stretching, corrosion, missing fasteners
- conditions include: free from standing water and ice, ground conditions, spalling concrete, outrigger placement, erosion, water damage
- structural fasteners include: bolts, pins, retaining devices
- standards include: CSA Z248
- attachments include: signage, flags, lights, camera systems, load moment indicators (LMI)
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.01.01L | demonstrate knowledge of structural components, their characteristics, applications and operation | identify structural components, and describe their characteristics and applications |
| identify types of counterweights, and describe their characteristics and applications | ||
| describe operating principles of structural components | ||
| interpret information pertaining to structural components found on drawings and manufacturers’ specifications | ||
| B-3.01.02L | demonstrate knowledge of procedures to inspect structural components | identify tools and equipment used to inspect structural components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices to inspect structural components | ||
| describe procedures to inspect structural components | ||
| identify defects, deficiencies and conditions in structural components | ||
| B-3.01.03L | demonstrate knowledge of training and certification requirements to inspect structural components | identify training and certification requirements to inspect structural components |
| B-3.01.04L | demonstrate knowledge of regulatory requirements pertaining to inspection of structural components | identify standards and regulations pertaining to inspection of structural components |
| identify jurisdictional requirements for NDT |
Range of Variables
- structural components include: mast, jib, apex, gantry, counter jib, pendant lines, base, base components, climbing components, cab, anchor, tower bolts, jib pins, turntable, bolts, counterweights
- types of counterweights include: fixed, stackable, removable, ballast
- tools and equipment include: callipers, measuring tapes, temperature gauges, straight edges
- hazards include: falling, electrocution, pinch/crush points, weather conditions, moving components
- deficiencies include: cracks, wear points, cracked welds, deformations, stretching, corrosion, missing fasteners
- conditions include: free from standing water and ice, ground conditions, spalling concrete, outrigger placement, erosion, water damage
- standards include: CSA Z248
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.02.01P | check fluid levels | fluid levels are checked to ensure that level is according to manufacturers’ specifications |
| B-3.02.02P | check fluids for contamination and colour of oil | fluids are checked for contamination and colour of oil |
| B-3.02.03P | verify function of breather system for gear boxes | function of breather system for gear boxes is verified to ensure adequate air transfer |
| B-3.02.04P | perform visual inspection of mechanical components | visual inspection of mechanical components is performed to identify defects and deficiencies |
| B-3.02.05P | check hoist winch, luffing winch and trolley winch brakes | hoist winch, luffing winch and trolley winch brakes are checked for wear, contamination and adjustment according to manufacturers’ specifications |
| B-3.02.06P | verify fasteners and hardware are intact and functional | fasteners and hardware are verified to be intact and functional according to manufacturers’ specifications |
| B-3.02.07P | check operation of sheaves and wire rope drums | operation of sheaves and wire rope drums are checked for excessive wear, fleet angle and that wire rope is spooling correctly |
| B-3.02.08P | verify wire rope end connections are secure | wire rope end connections are verified to be secure according to connection system and manufacturers’ specifications |
Range of Variables
- fluids include: fuel, oil, coolant, hydraulic, gear oil
- mechanical components include: winches, sheaves, swing motors, brakes, gear boxes, mechanical safety devices, trolley components
- deficiencies include: leaks, worn points, broken mounting hardware, worn belts and hoses
- wire rope end connections include: wedge and socket, clamps
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.02.01L | demonstrate knowledge of mechanical components, their characteristics, applications and operation | identify mechanical components, and describe their characteristics and applications |
| describe operating principles of mechanical components | ||
| interpret information pertaining to mechanical components found on drawings and manufacturers’ specifications | ||
| B-3.02.02L | demonstrate knowledge of procedures to inspect mechanical components | identify tools and equipment used to inspect mechanical components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to inspection of mechanical components | ||
| describe procedures to inspect mechanical components | ||
| identify defects and deficiencies in mechanical components | ||
| B-3.02.03L | demonstrate knowledge of regulatory requirements pertaining to inspection of mechanical components | identify standards and regulations pertaining to inspection of mechanical components |
Range of Variables
- mechanical components include: winches, sheaves, swing motors, brakes, gear boxes, mechanical safety devices, trolley components
- hazards include: falling, electrocution, pinch/crush points, weather conditions, moving components
- standards include: CSA Z248
- regulations include: jurisdictional, WHMIS, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.03.01P | measure diameter of wire rope | diameter of wire rope is measured using calipers and verified against CSA Z248 and manufacturers’ specifications |
| B-3.03.02P | perform visual inspection of lines, wire ropes and hoisting system components | visual inspection of lines, wire ropes and hoisting system components is performed to identify defects and deficiencies |
| B-3.03.03P | verify line path for improper reeving, sheave alignment and obstructions | line path is verified for improper reeving, sheave alignment and obstructions |
| B-3.03.04P | check lubrication of wire rope | lubrication of wire rope is checked by examining for corrosion, contamination, bare spots and build-up |
| B-3.03.05P | check tension of trolley cable | tension of trolley cable is checked to ensure trolley operation |
| B-3.03.06P | verify that lines are spooling correctly on drum | lines are spooled correctly on drum |
| B-3.03.07P | check reeving of lines around sheaves | lines around sheaves are reeved according to manufacturers’ specifications |
| B-3.03.08P | check end terminations | end terminations are visually checked according to standards and manufacturers’ specifications |
| B-3.03.09P | inspect hook block and ball | hook block and ball are inspected for cracks and deformities according to manufacturers’ specifications and instructions, and hook throat openings are within manufacturers’ specifications |
| B-3.03.10P | measure sheave tolerances | sheave tolerances are measured |
| B-3.03.11P | check lubrication of sheaves and swivels | lubrication of sheaves and swivels are checked |
| B-3.03.12P | verify operation of hook latch and positive latch | hook latch and positive latch are operational |
| B-3.03.13P | verify that NDT of hoisting system components has been conducted | NDT of hoisting system components is verified to have been conducted, and documented proof of inspection is available according to jurisdictional regulations |
Range of Variables
- hoisting system components include: clutches, brakes, pumps, hook blocks, wedge sockets, clamps, sheaves, winches, motors, limit switch devices
- deficiencies include: improper size, broken wires, abrasion, crushed strands, corrosion, kinks, bird caging, electric arc, metal fatigue, contamination
- standards include: CSA Z248, ASME
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.03.01L | demonstrate knowledge of lines, wire ropes and hoisting system components, their characteristics, applications and operation | identify types of lines, wire ropes and hoisting system components, and describe their characteristics and applications |
| describe operating principles of lines, wire ropes and hoisting system components | ||
| interpret information pertaining to lines, wire ropes and hoisting system components found on drawings and manufacturers’ specifications | ||
| B-3.03.02L | demonstrate knowledge of procedures to inspect lines, wire ropes and hoisting system components | identify tools and equipment used to inspect lines, wire ropes and hoisting system components, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to inspection of lines, wire ropes and hoisting system components | ||
| describe procedures to inspect lines, wire ropes and hoisting system components | ||
| describe defects, deficiencies and wire rope rejection criteria | ||
| B-3.03.03L | demonstrate knowledge of regulatory requirements pertaining to inspection of lines and hoisting system components | identify standards and regulations pertaining to inspection of lines and hoisting system components |
Range of Variables
- hoisting system components include: clutches, brakes, pumps, hook blocks, wedge sockets, clamps, sheaves, winches, motors, limit switch devices
- hazards include: falling, electrocution, pinch/crush points, weather conditions, moving components
- deficiencies include: improper size, broken wires, abrasion, crushed strands, corrosion, kinks, bird caging, electric arc, metal fatigue, contamination
- wire rope rejection criteria include: breakage, wear, broken wires, abrasion, crushed strands, corrosion, kinking, bird caging, electric arc, metal fatigue, contamination
- standards include: CSA Z248, ASME
- regulations include: jurisdictional, WHMIS, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.04.01P | perform visual inspection of hydraulic system components | visual inspection of hydraulic system components is performed to identify failures and deficiencies |
| B-3.04.02P | check hydraulic fluid levels | hydraulic fluid levels are checked to ensure that level is to manufacturers’ specifications |
| B-3.04.03P | verify pump is working within pressure parameters | pump is verified to be working within pressure parameters by checking gauges when present and accessible |
Range of Variables
- hydraulic system components include: pumps, lines, hoses, cylinders, fluid reservoir, valves, pressure gauges, filter gauges
- failures and deficiencies include: leaking seals, bent rams, broken mounting hardware, leaking hoses, cracks, wear, chafing, corrosion, incorrect oil level, cavitation, filter restriction, contamination, unusual noise in drive line, high temperatures
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.04.01L | demonstrate knowledge of hydraulic system components, their characteristics, applications and operation | identify hydraulic system components and describe their characteristics and applications |
| identify types of hydraulic pumps and describe their purpose, operation, characteristics and applications | ||
| describe operating principles of hydraulic systems components | ||
| interpret information pertaining to hydraulic system components found on drawings and manufacturers’ specifications | ||
| B-3.04.02L | demonstrate knowledge of procedures to inspect hydraulic system components | identify tools and equipment used to inspect hydraulic system components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to inspection of hydraulic system components | ||
| describe procedures to inspect hydraulic system components | ||
| describe failures and deficiencies in hydraulic system components | ||
| B-3.04.03L | demonstrate knowledge of regulatory requirements pertaining to inspection of hydraulic system components | identify standards and regulations pertaining to inspection of hydraulic system components |
Range of Variables
- hydraulic system components include: pumps, lines, hoses, cylinders, fluid reservoir, valves, pressure gauges, filter gauges
- types of hydraulic pumps include: variable displacement, fixed displacement, gear, piston, vane
- hazards include: falling, electrocution, pinch/crush points, weather conditions, moving components, high pressure fluids
- failures and deficiencies include: leaking seals, bent rams, broken mounting hardware, leaking hoses, cracks, wear, chafing, corrosion, incorrect oil level, cavitation, filter restriction, contamination, unusual noise in drive line, high temperatures
- standards include: CSA Z248, ASME
- regulations include: jurisdictional, WHMIS, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.05.01P | perform visual inspection of electrical system components | visual inspection of electrical system components is performed to identify deficiencies |
| B-3.05.02P | check grounding of crane | grounding of crane is checked according to manufacturers’ specifications and jurisdictional regulations |
| B-3.05.03P | ensure that electrical system components are secured and protected from water, humidity and pests | electrical system components are secured and protected from water, humidity and pests |
| B-3.05.04P | verify power cable supply is not damaged | power cable supply is free of damage and stress |
| B-3.05.05P | verify function of electrical system components | electrical system components are tested and functional |
Range of Variables
- electrical system components include: limit switches, grounding, supply cables, disconnect switches, strain relief devices (power cable supports), power supply, zoning and anti-collision components
- deficiencies include: damaged power supply cables, worn strain relief devices (power cable supports), disconnected cables, corroded parts
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.05.01L | demonstrate knowledge of electrical system components, their characteristics, applications and operation | identify electrical system components, and describe their characteristics and applications |
| describe operating principles of electrical system components | ||
| interpret information pertaining to electrical system components found on drawings and manufacturers’ specifications | ||
| B-3.05.02L | demonstrate knowledge of procedures to inspect electrical system components | identify hazards and describe safe work practices pertaining to inspection of electrical system components |
| describe procedures to inspect electrical system components | ||
| describe deficiencies in electrical system components | ||
| B-3.05.03L | demonstrate knowledge of regulatory requirements pertaining to inspection of electrical system components | identify standards and regulations pertaining to inspection of electrical system components |
Range of Variables
- electrical system components include: limit switches, grounding, supply cables, disconnect switches, strain relief devices (power cable supports), power supply, zoning and anti-collision components
- hazards include: falling, electrocution, weather conditions, pinch/crush points
- standards include: CSA Z248
- regulations include: jurisdictional, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.06.01P | perform visual inspection of guy wires and anchorage points | visual inspection of guy wires and anchorage points is performed to identify deterioration and damage |
| B-3.06.02P | perform visual inspection of related support equipment for top-climbing cranes | visual inspection of related support equipment for top-climbing cranes is performed to identify deficiencies |
| B-3.06.03P | perform visual inspection of related support equipment for bottom-climbing cranes | visual inspection of related support equipment for bottom-climbing cranes is performed to identify deficiencies |
| B-3.06.04P | perform visual inspection of related support equipment for self-erecting cranes | visual inspection of related support equipment for self-erecting cranes is performed to identify deficiencies |
| B-3.06.05P | perform inspection of ground conditions around crane bases | inspection of ground conditions around crane bases is performed |
Range of Variables
- support equipment for top-climbing cranes include: support arms, tie‑ins, anchor shoes, collar, hydraulic pump and cylinder
- deficiencies (support equipment for top-climbing cranes) include: damaged pins, deformities, detachments from concrete
- support equipment for bottom-climbing cranes include: beams, wedges, shoring, ladders, hydraulic pump and cylinder
- deficiencies (support equipment for bottom-climbing cranes) include: damaged pins, deformities, inaccurate shoring, loose wedges
- support equipment for self-erecting cranes include: outriggers, spindles, feet, pads (mats)
- deficiencies (support equipment for self-erecting cranes) include: damaged pins, deformities
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.06.01L | demonstrate knowledge of support equipment, their components characteristics, applications and operation | identify support equipment and their components, and describe their characteristics and applications |
| describe operating principles of support equipment and their components | ||
| interpret information pertaining to support equipment and their components found on drawings and manufacturers’ specifications | ||
| B-3.06.02L | demonstrate knowledge of procedures to inspect support equipment and their components | identify hazards and describe safe work practices pertaining to inspection of support equipment and their components |
| describe procedures to inspect support equipment and their components | ||
| describe procedures to inspect ground conditions | ||
| describe deficiencies in support equipment and their components | ||
| B-3.06.03L | demonstrate knowledge of regulatory requirements pertaining to inspection of support equipment and their components | identify standards and regulations pertaining to inspection of support equipment and their components |
Range of Variables
- support equipment includes: outriggers, arms, support mechanisms, beams, wedges, shoring, ladders, hydraulic pump, support arms, tie‑ins, anchor shoes, collar
- components include: guy wires, support arms (tie-in beams), collars, wedges, resting beams, bolts and pins, shoring, outriggers, bearing pads, base, ballast and base cross (crucifix base)
- hazards include: falling, pinch/crush points, overhead debris, tripping
- deficiencies (support equipment for top-climbing cranes) include: damaged pins, deformities, detachments from concrete
- deficiencies (support equipment for bottom-climbing cranes) include: damaged pins, deformities, inaccurate shoring, loose wedges
- deficiencies (support equipment for self-erecting cranes) include: damaged pins, deformities
- standards include: CSA Z248
- regulations include: jurisdictional, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.07.01P | perform visual inspection of track (rail) | visual inspection of track (rail) is performed to identify obstructions, track condition and broken ties |
| B-3.07.02P | perform visual inspection of track (rail) travel components | visual inspection of track (rail) travel components is performed to ensure they have been installed according to manufacturers’ specifications |
Range of Variables
- track (rail) travel components include: stops, ballast, limit switches, structural supports, rail trucks (bogies), rail wheels, rail stops, ties, clamps, track, spikes, travelling undercarriage wheel brakes, wheel guards, electrical cable components, tie‑downs
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.07.01L | demonstrate knowledge of track (rail) travel components, their characteristics, applications and operation | identify track (rail) travel components and describe their characteristics and applications |
| describe operating principles of track (rail) travel components | ||
| interpret information pertaining to track (rail) travel components found on drawings and manufacturers’ specifications | ||
| B-3.07.02L | demonstrate knowledge of procedures to inspect track (rail) travel components | identify tools and equipment used to inspect track (rail) travel components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to inspection of track (rail) travel components | ||
| describe procedures to inspect track (rail) travel components | ||
| B-3.07.03L | demonstrate knowledge of regulatory requirements pertaining to inspection of track (rail) travel components | identify standards and regulations pertaining to inspection of track (rail) travel components |
Range of Variables
- track (rail) travel components include: stops, ballast, limit switches, structural supports, rail trucks (bogies), rail wheels, rail stops, ties, clamps, track, spikes, travelling undercarriage wheel brakes, wheel guards, electrical cable components, tie‑downs
- hazards include: falling, tripping, electrocution, pinch/crush points, weather conditions, moving components
- standards include: CSA Z248, ASME
- regulations include: jurisdictional, WHMIS, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.08.01P | perform visual inspection of cab components | visual inspection of cab components is performed to identify deficiencies |
| B-3.08.02P | verify that load chart is secured and legible | load chart is secured and legible |
| B-3.08.03P | check condition of glass | condition of glass is checked for fractures, and it is secure |
| B-3.08.04P | check function of instrumentation | function of instrumentation is checked |
| B-3.08.05P | check function of communication and warning devices | function of communication and warning devices is checked |
| B-3.08.06P | check function of cab components | function of cab components is checked |
Range of Variables
- cab components include: LMI, control levers, deadman controls, windows, foot pedals, anemometer, windshield wipers, gauges, cab door, heating and air conditioning
- deficiencies include: unstable seat, cracks, corrosion, missing pins or components, broken windshield wipers, broken controls, inadequate ventilation, defective heating and air conditioning, defective instrumentation
- instrumentation includes: anemometer, thermometer, LMI, control levers, deadman controls, windshield wipers, gauges, display for zoning and anti-collision system
- communication and warning devices include: radio, horn, anti-collision
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.08.01L | demonstrate knowledge of cab components, their characteristics, applications and operation | identify cab components, and describe their characteristics and applications |
| describe operating principles of cab components | ||
| interpret information pertaining to cab components found on drawings and manufacturers’ specifications | ||
| B-3.08.02L | demonstrate knowledge of procedures to inspect cab components | identify hazards and describe safe work practices pertaining to inspection of cab components |
| describe procedures to inspect cab components | ||
| describe defects and deficiencies in cab components | ||
| B-3.08.03L | demonstrate knowledge of regulatory requirements pertaining to inspection of cab components | identify standards and regulations pertaining to inspection of cab components |
Range of Variables
- cab components include: LMI, control levers, deadman controls, windows, foot pedals, anemometer, windshield wipers, gauges, cab door, heating and air conditioning
- hazards include: falling, electrocution, pinch/crush points, weather conditions, moving components
- deficiencies include: unstable seat, cracks, corrosion, missing pins or components, broken windshield wipers, broken controls, inadequate ventilation, defective heating and air conditioning, defective instrumentation
- standards include: CSA Z248, ASME
- regulations include: jurisdictional, WHMIS, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.09.01P | perform visual inspection of safety and access components | visual inspection of safety and access components is performed to identify defects and deficiencies |
| B-3.09.02P | verify that fasteners are in place and tightened | fasteners are in place and tightened to manufacturers’ specifications |
| B-3.09.03P | check that access areas are clean and clear of obstructions | access areas are clean and clear of obstructions |
| B-3.09.04P | check condition of safety and access components | condition of safety and access components is checked to identify hazards and functionality |
Range of Variables
- safety and access components include: ladders, hatches, platforms, railings, catwalks, anchorage points, guards over moving parts, fall restraint systems, safety alarms, latches, locks
- deficiencies include: cracks, wear points, cracked welds, deformations, stretching, corrosion
- fasteners include: bolts, pins, retaining devices
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.09.01L | demonstrate knowledge of safety and access components, their characteristics, applications and operation | identify safety and access components and describe their characteristics and applications |
| describe operating principles of safety and access components | ||
| interpret information pertaining to safety and access components found on drawings and manufacturers’ specifications | ||
| B-3.09.02L | demonstrate knowledge of procedures to inspect safety and access components | identify hazards and describe safe work practices pertaining to inspection of safety and access components |
| describe procedures to inspect safety and access components | ||
| describe defects and deficiencies in safety and access components | ||
| B-3.09.03L | demonstrate knowledge of regulatory requirements pertaining to inspection of safety and access components | identify standards and regulations pertaining to inspection of safety and access components |
Range of Variables
- safety and access components include: ladders, hatches, platforms, railings, catwalks, anchorage points, guards over moving parts, fall restraint systems, safety alarms, latches, locks
- hazards include: slippery ladders, falling, electrocution, pinch/crush points, weather conditions, moving components
- deficiencies include: cracks, wear points, cracked welds, deformations, stretching, corrosion
- standards include: CSA Z248, ASME
- regulations include: jurisdictional, WHMIS, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-3.10.01P | record inspection activities in logbook | inspection activities are recorded in logbook clearly and accurately at regular intervals according to manufacturers’ specifications, company policies, standards and jurisdictional regulations |
| B-3.10.02P | report documented inspection and repair issues to authorities | documented inspection and repair issues are reported to authorities according to company policies |
| B-3.10.03P | organize documentation | documentation is organized to ensure that it is complete, accurate and easily referenced |
Range of Variables
- regular intervals include: daily, weekly, monthly, yearly
- standards include: CSA Z248, ASME
- authorities include: superintendent, equipment owners
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-3.10.01L | demonstrate knowledge of inspection documentation, their characteristics and applications | identify inspection documentation, and describe their characteristics and applications |
| B-3.10.02L | demonstrate knowledge of procedures to complete inspection documentation | describe procedures to complete inspection documentation |
| describe procedures and obligations to report inspection and repair issues to authorities | ||
| B-3.10.03L | demonstrate knowledge of regulatory requirements pertaining to inspection documentation | identify standards and regulations pertaining to inspection documentation |
Range of Variables
- authorities include: superintendent, equipment owners
- standards include: CSA Z248, ASME
- regulations include: jurisdictional, WHMIS, OH&S
Task B-4 Performs continual checks
Task Descriptor
Weather and site conditions are constantly changing and will impact the crane’s operation.
Tower crane operators must be constantly aware and monitor weather conditions, crane performance and condition.
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-4.01.01P | identify weather conditions that may be hazardous to crane operations | weather conditions that may be hazardous to crane operations are identified using methods |
| B-4.01.02P | determine changes to operator’s access and egress to crane because of weather conditions | changes to operator’s access and egress to crane because of weather conditions are determined |
| B-4.01.03P | determine when crane operations should cease due to weather conditions | crane operations will cease if deemed necessary due to weather conditions according to company policies, manufacturers’ specifications, standards and regulations |
Range of Variables
- weather conditions include: wind, rain, temperature, snow, lightning, hoar frost, fog
- methods include: gauges, visual and auditory assessments, weather forecasts
- standards include: CSA Z248
- regulations include: OH&S
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-4.01.01L | demonstrate knowledge of weather conditions and their characteristics | identify weather conditions and describe their characteristics |
| B-4.01.02L | demonstrate knowledge of procedures to monitor weather conditions | identify gauges used to monitor weather conditions, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to weather conditions | ||
| describe methods to monitor weather conditions | ||
| identify weather conditions that would cease crane operations | ||
| B-4.01.03L | demonstrate knowledge of regulatory requirements pertaining to monitoring of weather conditions | identify standards and regulations pertaining to monitoring of weather conditions |
Range of Variables
- weather conditions include: wind, rain, temperature, snow, lightning, hoar frost, fog
- gauges include: anemometers, thermometers, lightning detectors
- methods include: gauges, visual and auditory assessments, weather forecasts
- standards include: CSA Z248
- regulations include: OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-4.02.01P | monitor activities of ground personnel in relation to activities of crane | activities of ground personnel in relation to activities of crane are monitored |
| B-4.02.02P | maintain awareness of changes to site | changes to site are observed |
| B-4.02.03P | evaluate ground conditions | ground conditions are evaluated |
| B-4.02.04P | determine changes to operator’s access and egress to crane because of ongoing changes to site | changes to operator’s access and egress to crane because of ongoing changes to site are determined |
Range of Variables
- changes to site include: new equipment, height of obstructions, overhead obstructions, overlaps of other cranes, excavation of site
- ground conditions include: bearing surface compaction, standing water, location of underground utilities, grade, possible ground disturbances, soil type, ground thaw
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-4.02.01L | demonstrate knowledge of site conditions and their characteristics | identify site conditions and describe their characteristics |
| identify possible changes to site | ||
| B-4.02.02L | demonstrate knowledge of procedures to monitor site conditions | describe methods to monitor site conditions |
| B-4.02.03L | demonstrate knowledge of regulatory requirements pertaining to site conditions | identify standards and regulations pertaining to site conditions |
Range of Variables
- changes to site include: new equipment, height of obstructions, overhead obstructions, overlaps of other cranes, excavation of site
- standards include: CSA Z248
- regulations include: OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-4.03.01P | recognize indications (vibration, noise) of problematic conditions in hoisting system components | indications (vibration, noise) of problematic conditions in hoisting system components are recognized |
| B-4.03.02P | perform visual inspection of lines, wire ropes and hoisting system components | visual inspection of lines, wire ropes and hoisting system components is performed to identify defects and deficiencies |
| B-4.03.03P | monitor tension of trolley cable | tension of trolley cable is monitored |
Range of Variables
- problematic conditions include: damage to wire rope, deviation from line path, improper spooling
- hoisting system components include: clutches, brakes, pumps, hook blocks, wedge sockets, clamps, sheaves, winches, motors, limit switch devices
- deficiencies include: improper size, broken wires, abrasion, crushed strands, corrosion, kinks, bird caging, electric arc, metal fatigue, contamination, damaged core due to shock load
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-4.03.01L | demonstrate knowledge of lines, wire ropes and hoisting system components, their characteristics, applications and operation | identify types of lines, wire ropes and hoisting system components, and describe their characteristics and applications |
| describe operating principles of lines, wire ropes and hoisting system components | ||
| interpret information pertaining to lines, wire ropes and hoisting system components found on drawings and manufacturers’ specifications | ||
| B-4.03.02L | demonstrate knowledge of procedures to monitor lines, wire ropes and hoisting system components | identify tools and equipment used to monitor lines, wire ropes and hoisting system components, and describe their procedures for use |
| identify hazards and describe safe work practices to monitor lines, wire ropes and hoisting system components | ||
| describe procedures to monitor lines, wire ropes and hoisting system components | ||
| describe defects, deficiencies and wire rope rejection criteria | ||
| B-4.03.03L | demonstrate knowledge of regulatory requirements pertaining to monitoring of lines, wire ropes and hoisting system components | identify standards and regulations pertaining to monitoring of lines, wire ropes and hoisting system components |
Range of Variables
- hoisting system components include: clutches, brakes, pumps, hook blocks, wedge sockets, clamps, sheaves, winches, motors, limit switch devices
- deficiencies include: improper size, broken wires, abrasion, crushed strands, corrosion, kinks, bird caging, electric arc, metal fatigue, contamination, damaged core due to shock load
- wire rope rejection criteria include: breakage, wear, broken wires, abrasion, crushed strands, corrosion, kinking, bird caging, electric arc, metal fatigue, contamination, shock load event
- standards include: CSA Z248
- regulations include: WHMIS, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-4.04.01P | interpret gauges and warning systems | gauges and warning systems are interpreted |
| B-4.04.02P | perform sensory inspection of equipment | sensory inspection of equipment is performed to detect malfunctions and changes |
Range of Variables
- gauges and warning systems include: fuel indicator, boom angle indicator, engine operating temperature gauge, LMI, anemometer, thermometer, zoning and anti-collision system
- malfunctions include: overheating engine, electrical motor failure, debris build-up in sheaves, abnormal noises, ice and snow buildup, brake failure, defective electronic display
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-4.04.01L | demonstrate knowledge of equipment gauges and warning systems, their characteristics, applications and operation | identify equipment gauges and warning systems, and describe their characteristics and applications |
| describe operating principles of equipment gauges and warning systems | ||
| interpret information pertaining to equipment gauges and warning systems found on drawings and manufacturers’ specifications | ||
| B-4.04.02L | demonstrate knowledge of procedures to monitor equipment performance and conditions | identify hazards and describe safe work practices to monitor equipment performance and conditions |
| describe procedures to monitor equipment performance and conditions |
Range of Variables
- gauges and warning systems include: fuel indicator, boom angle indicator, engine operating temperature gauge, LMI, anemometer, thermometer, zoning and anti-collision system
- hazards include: falling, electrocution, pinch/crush points, weather conditions, moving components
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-4.05.01P | check pins, bolts and hardware on structural components | pins, bolts and hardware on structural components are checked to ensure that they are intact and secure |
| B-4.05.02P | check support components | support components are checked by evaluating visually and by feeling for instability during crane movement |
| B-4.05.03P | verify level of self-erecting crane, and check outriggers and pads (mats) | level of self-erecting crane is verified using levels, and outriggers and pads (mats) are checked according to manufacturers’ specifications |
| B-4.05.04P | check movement of counterweights | movement of counterweights is checked |
Range of Variables
- structural components include: mast, jib, apex, gantry, counter jib, pendant lines, base, base components, climbing components, cab, anchor, tower bolts, jib pins, turntable, bolts, counterweights, pins and keepers
- support components include: guy wires, support arms (tie-in beams), collars, wedges, resting beams, bolts and pins, pins and keepers, shoring, outriggers, pads (mats), base, ballast and base cross (crucifix base)
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-4.05.01L | demonstrate knowledge of structural and support components, their characteristics, applications and operation | identify structural and support components, and describe their characteristics and applications |
| describe operating principles of structural and support components | ||
| interpret information pertaining to structural and support components found on drawings and manufacturers’ specifications | ||
| B-4.05.02L | demonstrate knowledge of procedures to monitor structural and support components | identify tools and equipment used to monitor structural and support components, and describe their procedures for use |
| identify hazards and describe safe work practices to monitor structural and support components | ||
| describe procedures to monitor structural and support components | ||
| B-4.05.03L | demonstrate knowledge of regulatory requirements pertaining to monitoring of structural and support components | identify standards and regulations pertaining to monitoring of structural and support components |
Range of Variables
- structural components include: mast, jib, apex, gantry, counter jib, pendant lines, base, base components, climbing components, cab, anchor, tower bolts, jib pins, turntable, bolts, counterweights, pins and keepers
- support components include: guy wires, support arms (tie-in beams), collars, wedges, resting beams, bolts and pins, pins and keepers, shoring, outriggers, pads (mats), base, ballast and base cross (crucifix base)
- hazards include: falling, pinch/crush points, tripping, weather conditions, moving components
- standards include: CSA Z248, ASME, ANSI
- regulations include: jurisdictional, OH&S
Task B-5 Performs minor crane maintenance
Task Descriptor
Tower crane operators perform minor maintenance activities to optimize the performance and safety of the crane. Larger maintenance activities are carried out by specifically trained technicians who may be assisted by the operator.
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-5.01.01P | select and use tools and equipment | tools and equipment are selected and used according to task |
| B-5.01.02P | de-energize, lock out and tag out power supply and mechanical components | power supply and mechanical components are de-energized, locked out and tagged out according to manufacturers’ specifications and company policies |
| B-5.01.03P | verify brakes are adjusted | brake adjustments are verified according to manufacturers’ specifications |
| B-5.01.04P | verify and top up fluid levels | fluid levels are verified using dipstick and sight glass, and topped up according to manufacturers’ specifications |
| B-5.01.05P | tighten and replace fasteners | fasteners are tightened and replaced as required |
Range of Variables
- tools and equipment include: adjustable wrenches, pliers, rags
- mechanical components include: winches, sheaves, swing motors, brakes, gear boxes, mechanical safety devices, trolley components
- fluids include: fuel, oil, coolant, hydraulic, gear oil
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-5.01.01L | demonstrate knowledge of mechanical components, their characteristics, applications and operation | identify mechanical components and describe their characteristics and applications |
| describe operating principles of mechanical components | ||
| interpret information pertaining to mechanical components found on drawings and manufacturers’ specifications | ||
| B-5.01.02L | demonstrate knowledge of procedures to maintain mechanical components | identify tools and equipment used to maintain mechanical components, and describe their procedures for use |
| identify hazards and describe safe work practices to maintain mechanical components | ||
| describe procedures to maintain mechanical components | ||
| describe impact of weather and seasonal conditions on equipment functions and fluids | ||
| describe procedures to lock out and tag out power supply and mechanical components | ||
| B-5.01.03L | demonstrate knowledge of regulatory requirements pertaining to maintenance of mechanical components | identify standards and regulations pertaining to maintenance of mechanical components |
Range of Variables
- mechanical components include: winches, sheaves, swing motors, brakes, gear boxes, mechanical safety devices, trolley components
- tools and equipment include: adjustable wrenches, pliers, rags
- hazards include: falling, electrocution, pinch/crush points, weather conditions, moving components, high pressure fluids
- fluids include: fuel, oil, coolant, hydraulic, gear oil
- standards include: CSA Z248
- regulations include: jurisdictional, WHMIS, OH&S
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | NV | NV | NV | NV | yes | yes | yes | yes | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| B-5.02.01P | select and use tools and equipment | tools and equipment are selected and used according to task |
| B-5.02.02P | identify need for lubrication | need for lubrication is identified according to changing operational conditions |
| B-5.02.03P | lubricate operator-serviceable crane components and wire ropes | operator-serviceable crane components and wire ropes are lubricated using product specified by manufacturer, and according to manufacturers’ specifications, required service intervals and environmental conditions |
Range of Variables
- tools and equipment include: grease guns, caulking guns, sprayers, scrapers, brushes, rags, PPE, fall arrest equipment
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| B-5.02.01L | demonstrate knowledge of lubricants, their characteristics and applications | identify types of lubricants and describe their characteristics and applications |
| B-5.02.02L | demonstrate knowledge of procedures to lubricate wire ropes and crane components | identify tools and equipment used to lubricate wire ropes and crane components, and describe their procedures for use |
| identify hazards and describe safe work practices to lubricate wire ropes and crane components | ||
| describe procedures and methods to lubricate wire ropes and crane components | ||
| B-5.02.03L | demonstrate knowledge of regulatory requirements pertaining to lubrication of wire ropes and crane components | identify standards and regulations pertaining to lubrication of wire ropes and crane components |
Range of Variables
- types of lubricants include: grease, oils, open gear lubricant, wire rope lubricant
- tools and equipment include: grease guns, caulking guns, sprayers, scrapers, brushes, rags, PPE, fall arrest equipment
- hazards include: falling, electrocution, pinch/crush points, weather conditions, moving components, high pressure fluids
- methods include: spraying, brushing, injecting
- standards include: CSA Z248, ASME, ANSI
- regulations include: WHMIS, OH&S