Major Work Activity B - Prepares floor

Table of Contents

Task B-7 Removes existing floorcovering and accessories

Task Descriptor

This task includes removal of existing wall bases, trims, floorcoverings and accessories in a safe manner with required tools without damaging any surrounding surfaces. Safe disposal and recycling of materials is important.

B-7.01 - Removes transitions, trims and wall bases

B-7.01 - Removes transitions, trims and wall bases
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-7.01.01P select and use tools and equipment tools and equipment are selected and used according to task
B-7.01.02P score top of base and trim top of base and trim is scored to prevent damage to wall finish
B-7.01.03P pry and peel transitions, trims and bases transitions and trims are pried and peeled, and bases are pried and peeled downward, preventing damage to wall finishes to prepare for new material installation
B-7.01.04P remove existing adhesives and mechanical fasteners from wall existing adhesives and mechanical fasteners are removed from wall to accept new finish
B-7.01.05P remove existing adhesives and mechanical fasteners from transitions, trims and bases existing adhesives and mechanical fasteners are removed from transitions, trims and bases to prevent damage and to salvage for reinstallation
B-7.01.06P number wall, and back of wall base and trim wall, and back of wall base and trim are numbered using non-bleeding medium for ease of reinstallation

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-7.01.01L demonstrate knowledge of transitions, trims and wall bases, and their characteristics and applications identify types of transitions, trims and wall bases, and describe their characteristics and applications
interpret information pertaining to transitions, trims and wall bases found on drawings and specifications
identify types of mechanical fasteners, and describe their characteristics and applications
identify types of adhesives, and describe their characteristics and applications
B-7.01.02L demonstrate knowledge of procedures to remove transitions, trims and wall bases identify tools and equipment used to remove transitions, trims and wall bases, and describe their procedures for use
identify hazards and describe safe work practices to remove transitions, trims and wall bases
describe procedures to remove transitions, trims and wall bases
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
B-7.01.03L demonstrate knowledge of regulatory requirements to dispose of and recycle transitions, trims and wall bases identify standards and regulations to dispose of and recycle transitions, trims and wall bases

Range of Variables

B-7.02 - Removes carpet

B-7.02 - Removes carpet
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-7.02.01P select and use tools and equipment tools and equipment are selected and used according to task
B-7.02.02P cut carpet into strips, and pry and peel off floor carpet is cut into strips using cutting tools and carpet is pried and peeled off floor
B-7.02.03P lift pad and fasteners pad and fasteners are lifted, while preventing damage to existing finished surfaces
B-7.02.04P dispose of carpet carpet is disposed of according to jurisdictional regulations
B-7.02.05P recycle carpet tile carpet tile is recycled through original manufacturer according to industry practices
B-7.02.06P salvage carpet for reinstallation carpet is salvaged for reinstallation
B-7.02.07P scrape residue from existing substrate residue is scraped from existing substrate

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-7.02.01L demonstrate knowledge of carpets, their characteristics and applications identify types of carpets, and describe their characteristics, applications and installation methods
interpret information pertaining to carpets found on drawings and specifications
identify types of fasteners and describe their characteristics and applications
identify pads, and describe their characteristics and applications
B-7.02.02L demonstrate knowledge of procedures to remove carpets identify tools and equipment used to remove carpets, and describe their procedures for use
identify hazards and describe safe work practices to remove carpets
describe procedures to remove pads, fasteners and carpets
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
B-7.02.03L demonstrate knowledge of regulatory requirements to dispose of and recycle pads, fasteners and carpets identify codes, standards and regulations to dispose of and recycle pads, fasteners and carpets
identify and describe manufacturers’ reclamation programs

Range of Variables

B-7.03 - Removes resilient flooring

B-7.03 - Removes resilient flooring
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-7.03.01P select and use tools and equipment tools and equipment are selected and used according to task
B-7.03.02P cut, pry and scrape resilient flooring resilient flooring is cut, pried and scraped using tools and equipment, while preventing damage to existing finished surfaces
B-7.03.03P dispose of resilient flooring resilient flooring is disposed of according to industry practices

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-7.03.01L demonstrate knowledge of resilient flooring, their characteristics and applications identify types of resilient flooring, and describe their characteristics and applications
interpret information pertaining to resilient flooring found on drawings and specifications
B-7.03.02L demonstrate knowledge of procedures to remove resilient flooring identify tools and equipment used to remove resilient flooring, and describe their procedures for use
identify hazards and describe safe work practices to remove resilient flooring
describe procedures to remove resilient flooring using techniques
B-7.03.03L demonstrate knowledge of regulatory requirements to dispose of resilient flooring identify codes, standards and regulations to dispose of resilient flooring

Range of Variables

B-7.04 - Removes wood, laminate flooring, tiles and underlayment

B-7.04 - Removes wood, laminate flooring, tiles and underlayment
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-7.04.01P select and use tools and equipment tools and equipment are selected and used according to task
B-7.04.02P score, cut and lift wood, laminate flooring and underlayment wood, laminate flooring and underlayment are scored, cut and lifted, while preventing damage to existing finished surfaces
B-7.04.03P pull up pads, barriers and fasteners pads, barriers and fasteners are pulled up
B-7.04.04P dispose of wood, laminate flooring, tiles and underlayment wood, laminate flooring, tiles and underlayment are disposed of according to jurisdictional regulations
B-7.04.05P salvage wood, laminate flooring and underlayment for reinstallation wood, laminate flooring and underlayment are salvaged for reinstallation

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-7.04.01L demonstrate knowledge of wood, laminate flooring, tiles and underlayment, their characteristics and applications identify types of wood, laminate flooring, tiles and underlayment, and describe their characteristics and applications
interpret information pertaining to wood, laminate flooring, tiles and underlayment found on drawings and specifications
identify pads, barriers and fasteners, and describe their characteristics and applications
B-7.04.02L demonstrate knowledge of procedures to remove wood, laminate flooring, tiles and underlayment identify tools and equipment used to remove wood, laminate flooring, tiles and underlayment, and describe their procedures for use
identify hazards and describe safe work practices to remove wood, laminate flooring, tiles and underlayment
describe procedures to remove wood, laminate flooring, tiles and underlayment
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste

Range of Variables

Task B-8 Prepares substrate

Task Descriptor

This task includes the installation of trowelled and rigid underlayments, and the preparation of substrates for installation of various floorcoverings. The removal of floor contaminants is an important first step in this task.

B-8.01 - Removes contaminants

B-8.01 - Removes contaminants
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-8.01.01P select and use tools and equipment tools and equipment are selected and used according to task
B-8.01.02P remove contaminants contaminants are removed using methods, while preventing damage to finished surfaces
B-8.01.03P remove residues floor is rinsed to remove residues

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-8.01.01L demonstrate knowledge of contaminants, their characteristics and applications identify contaminants, and describe their characteristics and applications
identify residues, and describe their characteristics
B-8.01.02L demonstrate knowledge of procedures to remove contaminants identify tools and equipment used to remove contaminants, and describe their procedures for use
identify hazards and describe safe work practices to remove contaminants
describe procedures and methods to remove contaminants
describe procedures to dispose of contaminants

Range of Variables

B-8.02 - Prepares concrete floors and underlayment

B-8.02 - Prepares concrete floors and underlayment
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-8.02.01P select and use tools and equipment tools and equipment are selected and used according to task
B-8.02.02P check and mark concrete concrete is checked and marked for cracks, low spots and deviations by performing visual inspection
B-8.02.03P apply primers and bonding agents primers and bonding agents are applied according to manufacturers’ specifications
B-8.02.04P encapsulate contaminants contaminants are encapsulated by applying patching compounds for scratch coat and skim coat
B-8.02.05P apply patching and levelling compounds patching and levelling compounds are applied according to manufacturers’ specifications to achieve a smooth, flat floor
B-8.02.06P scarify floor floor is scarified according to industry standards
B-8.02.07P remove dust dust is removed by vacuuming, sweeping, brushing and tacking

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-8.02.01L demonstrate knowledge of concrete floors and underlayments, their characteristics and applications identify concrete floors and underlayments, and describe their characteristics and applications
B-8.02.02L demonstrate knowledge of primers and bonding agents, their characteristics and applications identify types of primers and bonding agents, and describe their characteristics and applications
B-8.02.03L demonstrate knowledge of patching and levelling compounds, their characteristics and applications identify types of patching and levelling compounds, and describe their characteristics and applications
B-8.02.04L demonstrate knowledge of procedures to prepare concrete floors and underlayment identify tools and equipment used to prepare concrete floors and underlayment, and describe their procedures for use
identify hazards and describe safe work practices to prepare concrete floors and underlayment
describe procedures to prepare concrete floors and underlayment
describe procedures to inspect concrete floors and underlayment
describe procedures to apply primers and bonding agents
describe procedures to apply patching and levelling compounds

Range of Variables

B-8.03 - Prepares wood floors and underlayment

B-8.03 - Prepares wood floors and underlayment
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-8.03.01P select and use tools and equipment tools and equipment are selected and used according to task
B-8.03.02P fill and sand wood panel joints wood panel joints are filled and sanded to achieve a flush finish
B-8.03.03P secure loose and squeaking boards or panels loose and squeaking boards or panels are secured using fasteners and adhesives
B-8.03.04P reinforce structural soundness structural soundness is reinforced by adding more sub-floor or fasteners
B-8.03.05P apply primers and bonding agents primers and bonding agents are applied according to manufacturers’ specifications
B-8.03.06P apply sealers sealers are applied to block moisture, stains and biologicals
B-8.03.07P encapsulate contaminants contaminants are encapsulated by applying patching compounds for scratch coat and skim coat
B-8.03.08P apply patching and levelling compounds patching and levelling compounds are applied according to manufacturers’ specifications to achieve a smooth, flat floor
B-8.03.09P sand and vacuum floor floor is sanded and vacuumed according to industry practices

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-8.03.01L demonstrate knowledge of wood floors and underlayments, their characteristics and applications identify types of wood floors and underlayments, and describe their characteristics and applications
B-8.03.02L demonstrate knowledge of primers, sealers and bonding agents, their characteristics and applications identify types of primers, sealers and bonding agents, and describe their characteristics and applications
B-8.03.03L demonstrate knowledge of patching and levelling compounds, their characteristics and applications identify types of patching and levelling compounds, and describe their characteristics and applications
B-8.03.04L demonstrate knowledge of fasteners and adhesives, their characteristics and applications identify types of fasteners and adhesives, and describe their characteristics and applications
B-8.03.05L demonstrate knowledge of procedures to prepare wood floors and underlayments identify tools and equipment used to prepare wood floors and underlayments, and describe their procedures for use
identify hazards and describe safe work practices to prepare wood floors and underlayments
describe procedures to inspect wood floors and underlayments
describe procedures to prepare wood floors and underlayments
describe procedures to apply primers, sealers and bonding agents
describe procedures to apply patching and levelling compounds

Range of Variables

B-8.04 - Prepares specialty floors

B-8.04 - Prepares specialty floors
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-8.04.01P select and use tools and equipment tools and equipment are selected and used according to task
B-8.04.02P strip and abrade surface surface is stripped and abraded to accept patching and levelling compounds and bonding agents
B-8.04.03P lay down specialty sheeting specialty sheeting is laid down
B-8.04.04P apply primers and sealers over metal and ceramic floors primers and sealers are applied over metal and ceramic floors according to manufacturers’ specifications
B-8.04.05P apply patching and levelling compounds patching and levelling compounds are applied according to manufacturers’ specifications

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-8.04.01L demonstrate knowledge of specialty floors, their characteristics and applications identify types of specialty floors, and describe their characteristics and applications
B-8.04.02L demonstrate knowledge of primers, sealers and bonding agents, their characteristics and applications identify types of primers, sealers and bonding agents, and describe their characteristics and applications
B-8.04.03L demonstrate knowledge of patching and levelling compounds, their characteristics and applications identify types of patching and levelling compounds, and describe their characteristics and applications
B-8.04.04L demonstrate knowledge of procedures to prepare specialty floors identify tools and equipment used to prepare specialty floors, and describe their procedures for use
identify hazards and describe safe work practices to prepare specialty floors
describe procedures to inspect specialty floors
describe procedures to prepare specialty floors
describe procedures to apply primers, sealers and bonding agents
describe procedures to apply patching and levelling compounds

Range of Variables

B-8.05 - Installs trowelled underlayment

B-8.05 - Installs trowelled underlayment
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-8.05.01P select and use tools and equipment tools and equipment are selected and used according to task
B-8.05.02P abrade or scarify surface surface is abraded or scarified according to manufacturers’ specifications for mechanical bond
B-8.05.03P apply bonding agents bonding agents are applied according to manufacturers’ specifications
B-8.05.04P apply patching and levelling compounds patching and levelling compounds are applied according to manufacturers’ specifications

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-8.05.01L demonstrate knowledge of trowelled underlayments, their characteristics and applications identify types of trowelled underlayments, and describe their characteristics and applications
B-8.05.02L demonstrate knowledge of bonding agents, their characteristics and applications identify types of bonding agents, and describe their characteristics and applications
B-8.05.03L demonstrate knowledge of patching and levelling compounds, their characteristics and applications identify types of patching and levelling compounds, and describe their characteristics and applications
B-8.05.04L demonstrate knowledge of procedures to install trowelled underlayments identify tools and equipment used to install trowelled underlayments, and describe their procedures for use
identify hazards and describe safe work practices to install trowelled underlayments
describe procedures to install trowelled underlayments
describe procedures to apply bonding agents
describe procedures to apply patching and levelling compounds

Range of Variables

B-8.06 - Installs rigid underlayment panels

B-8.06 - Installs rigid underlayment panels
NL NS PE NB QC ON MB SK AB BC NT YT NU
NV yes NV NV NV yes NV ND yes yes NV NV NV
Skills
Reference Code Performance Criteria Evidence of Attainment
B-8.06.01P select and use tools and equipment tools and equipment are selected and used according to task
B-8.06.02P undercut jambs and trims jambs and trims are undercut to allow for expansion and contraction according to manufacturers’ specifications
B-8.06.03P lay sheets sheets are laid perpendicular to sub-floor sheets
B-8.06.04P stagger joints joints are staggered according to manufacturers’ specifications
B-8.06.05P measure, cut and fit underlayment underlayment is measured, cut and fit, allowing for expansion and contraction, according to manufacturers’ specifications
B-8.06.06P apply adhesives adhesives are applied according to manufacturers’ specifications
B-8.06.07P select, apply and space mechanical fasteners mechanical fasteners are selected, applied and spaced according to manufacturers’ specifications
B-8.06.08P sand and patch seams seams are sanded and patched according to industry standards

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
B-8.06.01L demonstrate knowledge of rigid underlayment panels, their characteristics and applications identify types of rigid underlayment panels, and describe their characteristics and applications
B-8.06.02L demonstrate knowledge of adhesives, their characteristics and applications identify types of adhesives, and describe their characteristics and applications
B-8.06.03L demonstrate knowledge of fasteners, their characteristics and applications identify types of fasteners, and describe their characteristics and applications
B-8.06.04L demonstrate knowledge of procedures to install rigid underlayment panels identify tools and equipment used to install rigid underlayment panels, and describe their procedures for use
identify hazards and describe safe work practices to install rigid underlayment panels
describe procedures to install rigid underlayment panels
describe fastening techniques for rigid underlayment panels
identify layout practices that reduce material waste

Range of Variables