Major Work Activity D - Performs rigging
Table of Contents
Task D-9 Inspects, maintains and stores rigging equipment
Task Descriptor
Rigging equipment needs to be properly inspected, maintained and stored to ensure its integrity.
Tower crane operators are involved in rigging to ensure that it is done safely and properly. While tower crane operators may not be doing the rigging, they must possess knowledge of rigging procedures related to inspection, maintenance and storage of slings. Tower crane operators have the obligation to perform due diligence and refuse an unsafe lift.
| 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 |
|---|---|---|
| D-9.01.01P | perform visual inspection of slings | visual inspection of slings is performed to identify damage |
| D-9.01.02P | perform visual inspection of hardware | visual inspection of hardware is performed to identify damage |
| D-9.01.03P | remove and report damaged slings and hardware from service | damaged slings and hardware are removed from service and reported according to manufacturers’ or jurisdictional rejection criteria and company policies |
Range of Variables
- slings include: wire rope, chain, synthetic (continuous, web and rope)
- damages (of slings) include: broken wires, cuts, nicks, stretching, worn links, crushing, missing tags, kinking, imperfections, contamination
- hardware includes: shackles, hooks, spreader bars, equaliser bars, chainfalls, material baskets, softeners
- damages (of hardware) include: stretching, missing or damaged safety latches, pins not seating properly, links and hooks (cracked, kinked, stretched, worn), cables, broken wires, bird caging
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| D-9.01.01L | demonstrate knowledge of slings and hardware, their characteristics, applications and operation | identify types of slings and hardware, and describe their characteristics and applications |
| describe capacity and configuration of sling rating tags and hardware | ||
| identify sling configurations and describe their characteristics and applications | ||
| interpret information pertaining to slings and hardware found in manufacturers’ specifications and company policies | ||
| D-9.01.02L | demonstrate knowledge of procedures to identify deficiencies in slings and hardware | identify hazards and describe safe work procedures pertaining to inspection of slings and hardware |
| describe procedures to identify deficiencies in slings and hardware | ||
| describe procedures to inspect slings and hardware | ||
| identify types of damages found in slings and hardware | ||
| identify rejection criteria of slings and hardware | ||
| describe procedures to dispose of and report damaged slings and hardware | ||
| D-9.01.03L | demonstrate knowledge of requirements pertaining to identification of deficiencies in slings and hardware | identify training requirements pertaining to identification of deficiencies in slings and hardware |
| D-9.01.04L | demonstrate knowledge of regulatory requirements pertaining to removal of damaged slings and hardware | identify requirements pertaining to removal of damaged slings and hardware |
Range of Variables
- slings include: wire rope, chain, synthetic (continuous, web and rope)
- hardware includes: shackles, hooks, spreader bars, equaliser bars, chainfalls, material baskets, softeners
- sling configurations include: basket, double basket, choke, double choke
- hazards include: sling failure from improper angles, abrasive material, heat, shock loading, UV damage, mold and mildew, over-loaded slings, collapsing load
- damages (of slings) include: broken wires, cuts, nicks, stretching, worn links, crushing, missing tags, kinking, imperfections, contamination
- damages (of hardware) include: stretching, missing or damaged safety latches, pins not seating properly, links and hooks (cracked, kinked, stretched, worn), cables, broken wires, bird caging
| 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 |
|---|---|---|
| D-9.02.01P | select and use tools and equipment | tools and equipment are selected and used according to task |
| D-9.02.02P | select lubricant | lubricant is selected considering factors |
| D-9.02.03P | apply lubricant | lubricant is applied according to factors |
Range of Variables
- tools and equipment include: brushes, rags, sprayers
- factors include: application, environmental requirements, manufacturers’ specifications
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| D-9.02.01L | demonstrate knowledge of slings and hardware, their characteristics, applications and operation | identify types of slings and hardware, and describe their characteristics and applications |
| interpret information pertaining to slings and hardware found in manufacturers’ specifications | ||
| D-9.02.02L | demonstrate knowledge of lubricants, their characteristics and applications | identify types of lubricants, and describe their characteristics and applications |
| D-9.02.03L | demonstrate knowledge of procedures to lubricate slings and hardware | identify tools and equipment used to lubricate slings and hardware, and describe their procedures for use |
| identify hazards and describe safe work practices to lubricate slings and hardware | ||
| describe procedures to lubricate slings and hardware | ||
| identify factors to consider when selecting lubricants for slings and hardware |
Range of Variables
- slings include: wire rope
- hardware includes: shackles, hooks, snatch blocks
- tools and equipment include: brushes, rags, sprayers
- hazards include: improper grease not penetrating into cable, sticky lubricant causing debris to stick, environmental contamination
- factors include: application, environmental requirements, manufacturers’ specifications
| 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 |
|---|---|---|
| D-9.03.01P | confirm dry storage area | dry storage area is confirmed to ensure it will prevent damage to rigging equipment from weather and other site factors |
| D-9.03.02P | organize rigging equipment in designated storage area | rigging equipment is organized in designated storage area considering factors |
Range of Variables
- rigging equipment includes: slings (wire, synthetic, chain), shackles, spreader beams, chainfalls, material baskets
- site factors include: concrete dust, UV damage, chemicals, extreme heat, corrosive environment, accessibility
- factors include: pairing rigging equipment, non-inventoried rigging, expired certifications
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| D-9.03.01L | demonstrate knowledge of rigging equipment, their characteristics, applications and operation | identify rigging equipment and describe their characteristics and applications |
| describe limitations, capacities and configurations of rigging equipment | ||
| interpret information pertaining to rigging equipment found in manufacturers’ specifications | ||
| D-9.03.02L | demonstrate knowledge of procedures to store rigging equipment | identify hazards and describe safe work practices to store rigging equipment |
| describe procedures to store rigging equipment | ||
| describe procedures to inspect storage area for suitability of rigging equipment | ||
| identify site factors to consider when storing and protecting rigging equipment |
Range of Variables
- rigging equipment includes: slings (wire, synthetic, chain), shackles, spreader beams, chainfalls, material baskets
- hazards include: corrosive or damp environment, heavy objects, pinch/crush points, freezing
- site factors include: concrete dust, UV damage, chemicals, extreme heat, corrosive environment, accessibility
Task D-10 Follows rigging procedures
Task Descriptor
Tower crane operators should verify that the rigging of the load is satisfactory.
Tower crane operators are involved in rigging to ensure that it is performed safely and properly. While tower crane operators may not be doing the rigging, they must possess knowledge of rigging procedures. Tower crane operators have the obligation to perform due diligence and refuse an unsafe lift.
| 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 |
|---|---|---|
| D-10.01.01P | determine rigging requirements to handle load | rigging requirements to handle load are determined according to factors |
| D-10.01.02P | verify tags on rigging equipment | tags on rigging equipment are verified to confirm equipment is adequate with configurations applied |
Range of Variables
- factors include: load weight, load dimensions, sharp edges, rigging equipment composition, swing area, height limitations, destination, load characteristics (e.g., hot metal, electrical conductivity from welding)
- rigging equipment includes: slings (wire, synthetic, chain), bridles, shackles, spreader beams, chainfalls, material baskets
- configurations include: basket, choker, hitches, multi-leg bridle, below-the-hook lifting devices, hardware
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| D-10.01.01L | demonstrate knowledge of rigging equipment, their characteristics, applications and operation | identify rigging equipment and describe their characteristics and applications |
| describe limitations, capacity and configurations of rigging equipment | ||
| D-10.01.02L | demonstrate knowledge of procedures to select rigging equipment | identify hazards and describe safe work practices to select rigging equipment |
| describe procedures to select required rigging equipment | ||
| identify factors to consider when selecting rigging equipment | ||
| D-10.01.03L | demonstrate knowledge of rigging according to load and weight requirements | identify knowledge of rigging according to load and weight requirements |
| D-10.01.04L | demonstrate knowledge of regulatory requirements pertaining to rigging safety | identify standards and regulations pertaining to rigging safety |
Range of Variables
- rigging equipment includes: slings (wire, synthetic, chain), bridles, shackles, spreader beams, chainfalls, material baskets
- configurations include: basket, choker, hitches, multi-leg bridle, below-the-hook lifting devices, hardware
- hazards include: corrosive environment, sling failure from improper angles, abrasive material, heat, shock loading, over-loaded slings, collapsing load, sharp edges, pinch/crush points
- factors include: load weight, load dimensions, sharp edges, rigging equipment composition, swing area, height limitations, destination, load characteristics (e.g., hot metal, electrical conductivity from welding)
| 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 |
|---|---|---|
| D-10.02.01P | locate CoG of load | CoG of load is located |
| D-10.02.02P | apply rigging to load | rigging is applied to load using configurations and components according to load requirements |
| D-10.02.03P | confirm rigging configuration | rigging configuration is confirmed by taking on weight of load to ensure rigging is rendering properly |
| D-10.02.04P | lower load and make necessary adjustments to rigging | load is lowered and necessary adjustments to rigging are made |
| D-10.02.05P | check for loose debris and hazardous materials on, under and around load | loose debris and hazardous materials are confirmed to be absent on, under and around load |
| D-10.02.06P | select tag lines and confirm they are positioned to facilitate control of load | tag lines are selected and are positioned to facilitate control of load as required |
Range of Variables
- configurations include: vertical, basket, hitches, choker, multi-leg bridle, below-the-hook lifting devices (e.g., spreader bar), hardware
- components include: lifting bars, beams, slings, rigging hardware, shackles, hooks, softeners
- loose debris and hazardous materials include: nails, dunnage, blocking, rocks
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| D-10.02.01L | demonstrate knowledge of rigging procedures and techniques | describe rigging procedures and techniques |
| identify types of rigging and describe their characteristics and applications | ||
| describe hazards and environmental conditions which may affect rigging | ||
| D-10.02.02L | demonstrate knowledge of lifting theory and forces | explain CoG of load and its impact on lifting |
| identify units of measure and symbols pertaining to lifting plans and load charts | ||
| identify and describe lift studies and lift plans | ||
| D-10.02.03L | demonstrate knowledge of procedures to rig loads | identify tools and equipment relating to rigging, and describe their applications and procedures for use |
| describe procedures and configurations used to rig loads | ||
| identify types of hitches and describe their characteristics and applications | ||
| identify types of rigging hardware and replacement hardware, and describe their characteristics and applications | ||
| D-10.02.04L | demonstrate knowledge of regulatory requirements pertaining to rigging | identify standards and regulations pertaining to rigging |
Range of Variables
- hazards include: acids, alkaline and other damaging substances, sharp edges, load slippage, pinch/crush points
- environmental conditions include: temperature, UV, weather
- lift studies include: engineered lifts, lift calculations
- configurations include: vertical, basket, hitches, choker, multi-leg bridle, below-the-hook lifting devices (e.g., spreader bar), hardware
- types of hitches include: vertical, choker, basket, multi-leg bridle, half-hitch
- types of rigging hardware and replacement hardware include: spring clips, roll pins, shackles, softeners, clevises and hooks, spreader beams
- standards include: CSA Z248, ASME, ANSI
- 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 |
|---|---|---|
| D-10.03.01P | identify rigging hazards | rigging hazards are identified |
| D-10.03.02P | monitor tag lines and advise rigger to prevent hazards | tag lines are monitored, and rigger is advised to prevent hazards |
| D-10.03.03P | monitor lift for rigging hazards | lift is monitored for rigging hazards |
| D-10.03.04P | lower load and adjust rigging to address deficiencies | rigged load is lowered and adjusted to address deficiencies |
| D-10.03.05P | assess and communicate importance of rigger’s role in a blind lift | importance of rigger’s role in a blind lift is assessed and communicated to rigger |
Range of Variables
- hazards include: obstacles impacting clearances, overhead power lines, tangled and knotted tag lines, potential slippage, catching on other objects, electrical arcing, welding arcing, pinch/crush points, others in hoisting area, poor visibility, load shifting
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| D-10.03.01L | demonstrate knowledge of procedures to monitor rigging | describe procedures to monitor rigging |
| identify possible rigging hazards | ||
| D-10.03.02L | demonstrate knowledge of regulatory requirements pertaining to rigging | identify standards and regulations pertaining to rigging |
Range of Variables
- hazards include: obstacles impacting clearances, overhead power lines, tangled and knotted tag lines, potential slippage, catching on other objects, electrical arcing, welding arcing, pinch/crush points, others in hoisting area, poor visibility, load shifting
- standards include: CSA Z248, ASME, ANSI
- regulations include: jurisdictional, WHMIS, OH&S