Major Work Activity G - Performs renovations
Table of Contents
- Task G-21 Performs renovation-specific support activities
- Task G-22 Performs renovation-specific construction activities
Task G-21 Performs renovation-specific support activities
Task Descriptor
Carpenters perform renovations on existing structures, and this includes removing existing materials and protecting structures and applying techniques to support existing structures.
G-21.01 - Removes existing material
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | NV | yes | yes | yes | yes | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| G-21.01.01P | select and use tools and equipment | tools and equipment are selected and used according to project requirements and manufacturers’ specifications |
| G-21.01.02P | assess existing structure for pre-existing conditions | existing structure is assessed for pre‑existing conditions |
| G-21.01.03P | obtain applicable documentation including permits | applicable documentation including permits are obtained from relevant regulatory body |
| G-21.01.04P | identify materials to be removed | materials to be removed are identified according to conditions, project requirements, drawings and specifications |
| G-21.01.05P | identify structures to be removed or repaired | structures that need to be removed or repaired are identified according to project requirements and drawings |
| G-21.01.06P | identify materials that may be reclaimed and reused | materials that may be reclaimed and reused are identified |
| G-21.01.07P | remove components and sort for reuse or disposal | components are sorted for reuse or disposal according to project requirements, standards and regulations |
| G-21.01.08P | report, abate and contain hazardous materials and substances | hazardous materials and substances are reported, abated and contained according to standards and regulations |
| G-21.01.09P | remove existing materials and sort for reuse or disposal | existing materials are removed and sorted for reuse or disposal according to project requirements, standards and regulations |
Range of Variables
- tools and equipment include: see Appendix B
- pre-existing conditions include: out-of-square, out‑of-level, integrity of existing structure
- materials include: wood, concrete, insulation, glass, shingles
- conditions include: rot/mold, damage, undersized materials, hazardous materials and substances (lead-based paints, asbestos)
- drawings include: project, shop, engineering, electrical, architectural, mechanical, structural
- specifications include: project, engineer, manufacturers’
- structures include: doors and windows, exterior walls, concrete foundations
- components include: lintels, beams, windows, insulation,roofs, grade beams and walls
- hazardous materials and substances include: lead‑based paint, mold, animal feces, silica, carcinogenic (asbestos, polychlorinated biphenyl [PCBs])
- standards and regulations include: CSA, OH&S, building codes (NBC, local), site-specific (company or client), jurisdictional requirements
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| G-21.01.01L | demonstrate knowledge of existing materials, their characteristics and applications | identify types of existing materials, and describe their characteristics and applications |
| describe appearance and effects of conditions | ||
| describe removal and disposal methods of materials | ||
| identify tarps, hoardings and separations, and describe their characteristics and applications | ||
| describe removal methods of framing systems | ||
| describe removal methods of interior and exterior finishing systems | ||
| describe techniques to protect project, their characteristics and applications | ||
| describe removal methods of beam supports | ||
| describe support or removal methods of load bearing walls | ||
| identify destructive and non-destructive methods of identifying and assessing existing structures, and describe their characteristics and applications | ||
| identify types of hazardous materials and substances, and describe steps that should be followed for abatement | ||
| describe methods of temporary shoring | ||
| identify historical building conservation requirements | ||
| G-21.01.02L | demonstrate knowledge of procedures to remove existing materials | identify tools and equipment used to remove existing materials, and describe their procedures for use |
| describe procedures and sequence to remove existing materials | ||
| describe material removal methods that prevent damage to adjacent structures or components | ||
| G-21.01.03L | demonstrate knowledge of training and certification requirements for removing existing materials | identify training and certification requirements for removing existing materials |
| G-21.01.04L | demonstrate knowledge of regulatory requirements for removing existing materials | identify standards and regulations for removing existing materials |
Range of Variables
- materials include: wood, concrete, insulation, glass, shingles
- conditions include: rot/mold, damage, undersized materials, hazardous materials and substances (lead-based paints, asbestos)
- framing systems include: balloon, platform, energy-efficient framing, post and beam, mass timber
- finishing systems include: lath and plaster, masonry, siding, stucco
- techniques to protect project include: hoarding, heating, floor protection, weather protection, protection for existing finishes
- beam supports include: steel, wood, concrete
- hazardous materials and substances include: lead‑based paint, mold, animal feces, silica, carcinogenic (asbestos, PCBs)
- tools and equipment include: see Appendix B
- standards and regulations include: CSA, OH&S, building codes (NBC, local), site-specific (company or client), jurisdictional requirements
G-21.02 - Protects structure during renovations
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | NV | yes | yes | yes | yes | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| G-21.02.01P | select and use tools and equipment | tools and equipment are selected and used according to project requirements and manufacturers’ specifications |
| G-21.02.02P | identify location and types of temporary supports | location and types of temporary supports are identified according to loading conditions and drawings |
| G-21.02.03P | identify location and types of hoarding and coverings | location and types of hoarding and coverings are identified according to drawings, standards and regulations |
| G-21.02.04P | identify permitting requirements | permitting requirements are identified according to standards and regulations |
| G-21.02.05P | construct and install temporary supports | temporary supports are constructed and installed according to drawings, project requirements, standards and regulations |
| G-21.02.06P | install hoarding and coverings | hoarding and coverings are installed to protect materials, areas, structures and occupants that may be compromised or damaged during renovation activities |
| G-21.02.07P | assess existing building envelope components | building envelope components are assessed according to current standards and regulations |
| G-21.02.08P | install building envelope components | building envelope components are installed according to standards and regulations |
Range of Variables
- tools and equipment include: see Appendix B
- temporary supports include: scaffolding, pipe jacks, pilings, beams, posts
- drawings include: project, shop, engineering, electrical, architectural, mechanical, structural
- hoarding and coverings include: tarps, drop cloths, plywood, cardboard
- standards and regulations include: CSA, OH&S, building codes (NBC, local), site-specific (company or client), jurisdictional requirements
- materials, areas and structures include: finished floors, ceilings, walls, trim and door frames, cabinets, walkways, trees
- occupants include: tenants, homeowners, public, other trade workers
- building envelope components include: building paper, water proofing membranes, flashings, caulking, vapour barriers, insulation, air barriers
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| G-21.02.01L | demonstrate knowledge of protecting structure during renovations, their characteristics and applications | identify types of hoarding and coverings used during renovations, and describe their characteristics and applications |
| describe temporary supports, their characteristics and applications | ||
| identify techniques to protect project, and describe their characteristics and applications | ||
| identify types of hazardous materials and substances | ||
| describe methods of containment and abatement of hazardous materials and substances by certified personnel | ||
| describe methods and sequencing of temporary shoring to protect surrounding structure | ||
| identify historical building conservation requirements | ||
| G-21.02.02L | demonstrate knowledge of building envelope components | identify building envelope components |
| G-21.02.03L | demonstrate knowledge of procedures to protect structure during renovations | identify tools and equipment used to protect materials, areas, structures and occupants during renovations, and describe their procedures for use |
| describe procedures to protect occupants who may be hurt, and materials, areas, structures that may be compromised or damaged during renovation activities | ||
| describe material removal methods that prevent damage to adjacent structures or components | ||
| G-21.02.04L | demonstrate knowledge of training and certification requirements for protection and conservation during renovations | identify training and certification requirements for protection and conservation during renovations |
| G-21.02.05L | demonstrate knowledge of regulatory requirements for protection and conservation during renovations | identify standards and regulations for protection and conservation during renovations |
Range of Variables
- hoarding and coverings include: tarps, drop cloths, plywood, cardboards
- temporary supports include: scaffolding, pipe jacks, pilings, beams, posts
- techniques to protect project include: hoarding, heating, floor protection
- hazardous materials and substances include: lead‑based paint, mold, animal feces, silica, carcinogenic (asbestos, PCBs)
- building envelope components include: building paper, water proofing membranes, flashings, caulking, vapour barriers, insulation, air barriers
- tools and equipment include: see Appendix B
- materials, areas and structures include: finished floors, ceilings, walls, trim and door frames, cabinets, walkways, trees
- occupants include: tenants, homeowners, public, other trade workers
- standards and regulations include: CSA, OH&S, building codes (NBC, local), site-specific (company or client), jurisdictional requirements
Task G-22 Performs renovation-specific construction activities
Task Descriptor
Carpenters perform renovation‑specific construction tasks that include adding to and changing existing structures. Renovations have a unique requirement in that the new and existing structures must be blended together to form one cohesive unit.
G-22.01 - Joins new to existing construction
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | NV | yes | yes | yes | yes | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| G-22.01.01P | select and use tools and equipment | tools and equipment are selected and used according to project requirements and manufacturers’ specifications |
| G-22.01.02P | assess existing structure for pre-existing conditions | existing structure is assessed for pre-existing conditions |
| G-22.01.03P | obtain applicable documentation including permits | applicable documentation including permits are obtained from relevant regulatory body |
| G-22.01.04P | select materials | materials are selected according to compatibility with existing materials, drawings, specifications, and current standards and regulations |
| G-22.01.05P | install exterior components | exterior components are installed to make weatherproof transition from new to existing construction |
| G-22.01.06P | install building envelope components | building envelope components are installed to make weatherproof transition from new to existing construction |
| G-22.01.07P | use procedures to ensure a continuous building envelope is maintained | procedures are used to ensure a continuous building envelope is maintained |
| G-22.01.08P | install new materials | new materials are installed using methods that prevent damage to adjacent structure and components of structure |
| G-22.01.09P | transition new material to existing materials and assemblies | new material is transitioned to existing materials and assemblies for good bond and aesthetic purposes |
| G-22.01.10P | install fasteners and adhesives | fasteners and adhesives are installed according to manufacturers' specifications, standards and regulations |
Range of Variables
- tools and equipment include: see Appendix B
- pre-existing conditions include: out-of-square, out‑of-level, integrity of existing structure
- standards and regulations include: CSA, OH&S, building codes (NBC, local), site-specific (company or client), jurisdictional requirements
- exterior components include: flashing, sheathing, doors, windows, soffit, fascia, rain screens, roof and wall cladding
- building envelope components include: building paper, water proofing membranes, flashings, caulking, vapour barriers, insulation, air barriers
- procedures include: joining new windows and doors to existing vapour and air barriers, joining new roof and wall cladding to existing roof and wall cladding, joining new foundation to existing foundation
- materials and assemblies include: concrete, framing, exterior claddings, roof assemblies, interior finishes
- fasteners include: screws, hangers, nails, tie-downs, anchor bolts,
- adhesives include: construction adhesive, silicone
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| G-22.01.01L | demonstrate knowledge of joining new to existing materials and assemblies, their characteristics and applications | identify ways new material is transitioned to existing materials and assemblies for good bond, aesthetic purposes |
| describe energy-efficient retrofit techniques | ||
| describe material and assembly installation methods that prevent damage to existing structures and components | ||
| describe methods to accommodate pre‑existing conditions | ||
| describe impacts of adding, removing or modifying materials and assemblies | ||
| describe methods to accommodate differential movement between new and existing construction | ||
| identify types of current exterior roof and wall cladding and describe their compatibility with existing materials and installation requirements | ||
| identify types of framing systems, and describe their compatibility and procedures to join new to existing | ||
| identify materials manufactured to be compatible with existing and to replicate historic design features | ||
| G-22.01.02L | demonstrate knowledge of procedures to join new to existing construction | identify tools and equipment used to join new to existing construction, and describe their procedures for use |
| describe procedures and sequence to join new to existing construction | ||
| describe procedures used to compensate for conditions when joining new and existing construction | ||
| describe methods used to lay out and construct new wall assemblies that meet existing wall assemblies | ||
| describe adjustments used to blend new roof members or structure and existing roof | ||
| G-22.01.03L | demonstrate knowledge of fasteners and adhesives, their characteristics, applications and procedures for use | identify fasteners and adhesives, and describe their characteristics and applications |
| describe procedures to use fasteners and adhesives during installation according to standards and regulations | ||
| G-22.01.04L | demonstrate knowledge of training and certification requirements for joining new to existing construction | identify training and certification requirements for joining new to existing construction |
| G-22.01.05L | demonstrate knowledge of regulatory requirements for joining new to existing construction | identify standards and regulations for joining new to existing construction |
Range of Variables
- materials and assemblies include: concrete, framing, exterior claddings, roof assemblies, interior finishes
- pre-existing conditions include: out-of-square, out‑of-level, integrity of existing structure
- tools and equipment include: see Appendix B
- fasteners include: screws, hangers, nails, tie-downs, anchor bolts
- adhesives include: construction adhesive, silicone
- standards and regulations include: CSA, OH&S, building codes (NBC, local), site-specific (company or client), jurisdictional requirements
G-22.02 - Changes existing structure during renovations
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | NV | yes | yes | yes | yes | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| G-22.02.01P | select and use tools and equipment | tools and equipment are selected and used according to project requirements and manufacturers’ specifications |
| G-22.02.02P | change existing openings | existing openings are changed to accommodate new components |
| G-22.02.03P | change existing structures | existing structures are changed to meet project requirements using methods |
| G-22.02.04P | relocate components | components are relocated |
| G-22.02.05P | change structural supports | structural supports are changed according to project requirements |
| G-22.02.06P | install fasteners and adhesives | fasteners and adhesives are installed according to manufacturers' specifications, standards and regulations |
Range of Variables
- tools and equipment include: see Appendix B
- openings include: stairwells, exterior and interior doors and windows
- components include: stairs, built-ins (cabinets, shelves), windows, doors
- methods include: adding insulation, replacing cladding, windows and doors
- structural supports include: columns, beams, walls, lintels
- fasteners include: screws, hangers, nails, tie-downs, anchor bolts
- adhesives include: construction adhesive, silicone, sealants
- standards and regulations include: CSA, OH&S, building codes (NBC, local), site-specific (company or client), jurisdictional requirements
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| G-22.02.01L | demonstrate knowledge of procedures to change existing structure during renovations | identify tools and equipment used to change existing structure during renovations, and describe their procedures for use |
| describe procedures to change existing structure during renovations | ||
| describe procedures and sequence to change existing openings | ||
| describe procedures and sequence to relocate components | ||
| describe procedures and sequence to change structural supports | ||
| describe procedures to upgrade existing materials and assemblies | ||
| G-22.02.02L | demonstrate knowledge of fasteners and adhesives, their characteristics, applications and procedures for use | identify fasteners and adhesives, and describe their characteristics and applications |
| describe procedures to use fasteners and adhesives during installation according to standards and regulations | ||
| G-22.02.03L | demonstrate knowledge of training and certification requirements for changing existing structure during renovations | identify training and certification requirements for changing existing structure during renovations |
| G-22.02.04L | demonstrate knowledge of regulatory requirements for changing existing structure during renovations | identify standards and regulations for changing existing structure during renovations |
Range of Variables
- tools and equipment include: see Appendix B
- openings include: stairwells, exterior and interior doors and windows
- components include: stairs, built-ins (cabinets, shelves), windows, doors
- structural supports include: columns, beams, walls, lintels
- fasteners include: screws, hangers, nails, tie-downs, anchor bolts
- adhesives include: construction adhesive, silicone, sealants
- standards and regulations include: CSA, OH&S, building codes (NBC, local), site-specific (company or client), jurisdictional requirements