Major Work Activity F – Modifies and repairs concrete and performs grouting
Task F-16 Repairs and restores concrete
Task Descriptor
Concrete finishers must access areas to be repaired, decide on repair methods, prepare surfaces to be repaired or restored and install repair materials in a safe, cost-effective and timely manner.
F-16.01 Inspects concrete
Essential Skills
Oral Communication, Document Use, Thinking
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Performance Criteria |
Evidence of Attainment |
| F-16.01.01P |
access affected area |
affected area is accessed to perform inspection |
| F-16.01.02P |
check concrete |
concrete is visually and audibly checked for defects |
| F-16.01.03P |
identify cause of defect |
cause of defect is identified to determine repair required |
| F-16.01.04P |
determine if non-destructive or destructive testing is required |
need for testing is determined according to the defect |
Range of Variables
defects include: scaling, spalling, honeycombs, cracks
cause of defects include: stress, efflorescence, improper placing or finishing, environmental (acid rain, carbonation), corrosion
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| F-16.01.01L |
demonstrate knowledge of concrete defects and their causes |
identify types of defects that require repair |
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identify cause of defects that require repair |
| F-16.01.02L |
demonstrate knowledge of testing tools and equipment, and procedures used to inspect concrete |
identify the requirements for non-destructive and destructive testing |
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identify the tools and equipment used to test concrete |
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describe procedures used to inspect concrete |
Range of Variables
defects include: scaling, spalling, honeycombs, cracks
cause of defects include: stress, efflorescence, improper placing or finishing, environmental (acid rain, carbonation), corrosion
procedures include: visual, chain dragging, hammer sounding, copper-copper sulfate test, core sample
F-16.02 Removes materials
Essential Skills
Thinking, Working with Others, Oral Communication
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ND |
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yes |
ND |
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ND |
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Performance Criteria |
Evidence of Attainment |
| F-16.02.01P |
determine the removal procedure |
removal procedure is determined according to inspection results and industry documents |
| F-16.02.02P |
protect and isolate area of removal |
area of removal is protected and isolated with barriers |
| F-16.02.03P |
determine area and depth of material to be removed |
area and depth of material to be removed is determined according to the inspection results and ACI guides |
| F-16.02.04P |
determine if an electrical and mechanical inspector is required |
inspectors are contacted to locate embedded electrical or mechanical hazards |
| F-16.02.05P |
operate removal equipment |
removal equipment is operated according to manufacturers’ instructions |
| F-16.02.06P |
dispose of debris |
debris is disposed of according to jurisdictional specifications |
Range of Variables
barriers include: caution tape, barricades, temporary fencing, tarps
removal equipment includes: grinders, chipping hammers, scarifiers, scabblers, sandblasters, vacuums
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| F-16.02.01L |
demonstrate knowledge of material removal equipment and procedures for use |
identify types of removal equipment |
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identify hazards and safe work practices pertaining to removal of materials |
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describe the procedures used for the removal of materials |
| F-16.02.02L |
demonstrate knowledge of disposal methods |
identify regulations and safe work practices pertaining to disposal of materials |
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identify methods used to dispose of materials |
Range of Variables
removal equipment includes: grinders, chipping hammers, scarifiers, scabblers, sandblasters, vacuums
F-16.03 Prepares surface for repair or restoration
Essential Skills
Document Use, Numeracy, Oral Communication
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
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yes |
yes |
yes |
ND |
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yes |
ND |
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ND |
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Skills |
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Performance Criteria |
Evidence of Attainment |
| F-16.03.01P |
select profiling equipment |
profiling equipment is selected to determine depth of surface profile according to manufacturers’ instructions |
| F-16.03.02P |
operate profiling equipment |
profiling equipment is operated according to manufacturers' instructions |
| F-16.03.03P |
clean surface |
surface is cleaned free of debris according to scope of work |
| F-16.03.04P |
pre-soak surfaces |
surfaces are pre-soaked to SSD state using pre-soak methods |
| F-16.03.05P |
prepare and apply bonding agents |
bonding agents are applied according to manufacturers' instructions |
Range of Variables
profiling equipment includes: grinders, scabblers, sand blasters, shot blasters, scarifiers, bush hammers, chipping gun
pre-soak methods include: using wet burlap, spraying, ponding, misting
bonding agents include: latex modified, slurry mix, epoxy
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Knowledge |
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Learning Outcomes |
Learning Objectives |
| F-16.03.01L |
demonstrate knowledge of procedures and materials used for preparing the surface for repair or restoration |
describe surface preparation procedures and material |
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identify profiling equipment, their applications and the procedures used |
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identify bonding agents, their application and the procedures used |
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describe the SSD requirements for concrete |
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identify pre-soak methods |
Range of Variables
profiling equipment includes: grinders, scabblers, sand blasters, shot blasters, scarifiers, bush hammers, chipping gun
bonding agents include: latex modified, slurry mix, epoxy
pre-soak methods include: using wet burlap, spraying, ponding, misting
F-16.04 Install repair materials
Essential Skills
Document Use, Thinking, Working with Others
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Performance Criteria |
Evidence of Attainment |
| F-16.04.01P |
select repair materials |
repair materials are selected according to required repair and assessed conditions |
| F-16.04.02P |
determine if aggregate fillers are required |
need for aggregate fillers is determined according to depth of repair area, repair material selected and manufacturers’ instructions |
| F-16.04.03P |
select curing procedure |
curing procedures are selected according to repair material and manufacturers’ instructions |
| F-16.04.04P |
use repair procedures |
repair procedures are used according to repair material and manufacturers’ instructions |
Range of Variables
repair material includes: epoxies, mortar, modified patching materials, concrete, shot-crete/gunite
conditions include: moisture content, temperature, visible contaminants, time restraints
repair procedures include: drypacking, hand patching, pouring back, injecting, shot-creting
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| F-16.04.01L |
demonstrate knowledge of repair materials and procedures used to repair and restore concrete |
identify hazards and safe work practices pertaining to repairing and restoring concrete |
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identify repair materials and their applications |
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describe procedures used for repairing and restoring concrete |
Range of Variables
repair material includes: epoxies, mortar, modified patching materials, concrete, shot-crete/gunite
repair procedures include: drypacking, hand patching, pouring back, injecting, shot-creting
hazards include: vapours, contaminants, chemical burns
Task F-17 Applies surface treatment to hardened concrete
Task Descriptor
Concrete finishers apply surface treatments to hardened concrete. They must clean and prepare existing concrete surfaces using abrading or washing equipment to ensure that seamless coatings, toppings, parging or chemical surface treatments can be applied.
F-17.01 Prepares surface for surface treatments
Essential Skills
Document Use, Working with Others, Thinking
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yes |
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yes |
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ND |
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yes |
ND |
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Skills |
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Performance Criteria |
Evidence of Attainment |
| F-17.01.01P |
protect surrounding areas |
surrounding areas are protected from splatter and foreign debris according to industry practices |
| F-17.01.02P |
identify presence of surface resists and excessive moisture transmission |
surface resists and excessive moisture transmission are identified using industry practices |
| F-17.01.03P |
use degreasing agents and concentrated acid cleaners |
degreasing agents and concentrated acid cleaners are used according to manufacturers' instructions |
| F-17.01.04P |
operate profiling equipment |
profiling equipment is operated according to manufacturers’ instructions |
| F-17.01.05P |
determine structural soundness |
structural soundness is determined by conducting a patch test |
| F-17.01.06P |
install zinc strips |
zinc strips are installed according to design, material used and manufacturers’ instructions |
| F-17.01.07P |
use cleaning products and equipment |
cleaning products and equipment are used according to manufacturers’ instructions |
| F-17.01.08P |
remove fine debris |
fine debris is removed using surface cleaning equipment |
Range of Variables
surface resists include: sealers, oils, paints
degreasing agents include: caustic soda, citrus-based cleaners, chemical strippers
profiling equipment includes: sand/shot blasters, power grinders, concrete shavers
surface cleaning equipment includes: pressure washers, steam cleaners, wet/dry vacuums
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| F-17.01.01L |
demonstrate knowledge of equipment and the procedures used to prepare surfaces |
identify types of profiling equipment, their application and procedures for use |
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identify surface cleaning equipment and describe surface cleaning procedures |
| F-17.01.02L |
demonstrate knowledge of products used to prepare surfaces |
describe the effects of products on the preparation of surfaces |
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identify degreasing agents and describe their application |
Range of Variables
profiling equipment includes: sand/shot blasters, power grinders, concrete shavers
surface cleaning equipment includes: pressure washers, steam cleaners, wet/dry vacuums
surface cleaning procedures include: acid washing, pressure washing
degreasing agents include: caustic soda, citrus-based cleaners, chemical strippers
F-17.02 Abrades surface to achieve architectural finish
Essential Skills
Document Use, Reading, Thinking
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yes |
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yes |
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ND |
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ND |
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Skills |
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Performance Criteria |
Evidence of Attainment |
| F-17.02.01P |
apply methods to achieve architectural finishes |
methods are applied to achieve architectural finishes according to drawings and specifications, and manufacturers’ recommendations |
| F-17.02.02P |
determine depth of abrasion |
depth of abrasion is determined according to architectural finishes |
| F-17.02.03P |
operate profiling equipment |
profiling equipment is operated to achieve architectural finishes according to drawings and specifications |
| F-17.02.04P |
contain and dispose of dispelled material |
material dispelled during abrading process is contained according to scope of work and disposed of according to jurisdictional requirements |
Range of Variables
methods include: sand blasting, grinding, bush hammering, wash coating, form treatments
architectural finishes include: textured, polished, wash-coated, exposed aggregate, bush hammered, antiquing
profiling equipment includes: sand blasters, grinders, bush hammers
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| F-17.02.01L |
demonstrate knowledge of the equipment and procedures used to abrade concrete surfaces |
identify types of profiling equipment, their application and procedures for use |
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identify types of architectural finishes and the methods used to achieve them |
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describe regulations pertaining to disposing of dispelled material |
| F-17.02.02L |
demonstrate knowledge of the effects of abrading concrete |
identify safe work practices related to abrading concrete |
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describe the environmental impact of abrading concrete |
Range of Variables
profiling equipment includes: sand blasters, grinders, bush hammers
architectural finishes include: textured, polished, wash-coated, exposed aggregate, bush hammered, antiquing
methods include: sand blasting, grinding, bush hammering, wash coating, form treatments
F-17.03 Applies seamless systems
Essential Skills
Working with Others, Thinking, Numeracy
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yes |
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Skills |
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Performance Criteria |
Evidence of Attainment |
| F-17.03.01P |
select and use epoxy tools |
epoxy tools are selected and used according to application |
| F-17.03.02P |
select anchoring/keyways |
anchoring/keyways is selected according to seamless coating being used, manufacturers’ instructions, and drawings and specifications |
| F-17.03.03P |
set up mix station |
mix station is set up in accessible location to work area |
| F-17.03.04P |
verify suitability of concrete surface |
hardness and moisture condition of concrete is verified as suitable for the application |
| F-17.03.05P |
mix and apply primer |
primer is mixed and applied according to manufacturers’ instructions |
| F-17.03.06P |
mix and install seamless systems |
seamless systems are mixed and installed according to manufacturers’ instructions |
| F-17.03.07P |
apply grout and top coats |
grout and top coats are applied according to manufacturers’ instructions and industry practices |
| F-17.03.08P |
dispose of toxic waste material |
toxic waste material is disposed of according to jurisdictional requirements |
Range of Variables
epoxy tools include: trowels, spiked rollers, gauged squeegees, screed box, mixing equipment
seamless systems include: coating, broadcast systems, trowel-down systems, epoxy, non-static floor coating, terrazzo
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| F-17.03.01L |
demonstrate knowledge of the application of seamless systems |
identify types of seamless systems and mixing techniques and their application |
| F-17.03.02L |
demonstrate knowledge of the epoxy tools and the procedures used to apply seamless systems |
describe epoxy tools, their application and procedures for use |
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describe the procedures used to apply seamless systems |
| F-17.03.03L |
demonstrate knowledge of various factors that affect the application of seamless systems |
explain moisture content of substrate and how it affects seamless systems |
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describe safe work practices pertaining to the use of seamless systems |
Range of Variables
seamless systems include: coating, broadcast systems, trowel-down systems, epoxy, non-static floor coating, terrazzo
epoxy tools include: trowels, spiked rollers, gauged squeegees, screed box, mixing equipment
F-17.04 Applies bonded and non-bonded toppings to concrete
Essential Skills
Working with Others, Thinking, Document Use
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QC |
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yes |
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yes |
yes |
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ND |
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yes |
ND |
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ND |
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Skills |
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Performance Criteria |
Evidence of Attainment |
| F-17.04.01P |
determine if topping needs to be bonded or non-bonded |
topping need is determined to be bonded or non-bonded according to drawings and specifications |
| F-17.04.02P |
select bonding method |
bonding method is selected according to topping being used and drawings and specifications |
| F-17.04.03P |
check existing surface |
existing surface is ready to receive bonding agent according to manufacturers’ instructions |
| F-17.04.04P |
apply bonding agent |
bonding agent is applied according to manufacturers' instructions |
| F-17.04.05P |
use separation product on non-bonded areas |
separation product on non-bonded areas is used to create an un-bonded topping |
| F-17.04.06P |
install topping |
topping is installed according to drawings and specifications |
| F-17.04.07P |
cure toppings |
toppings are cured according to topping material used and according to manufacturers’ instructions |
Range of Variables
bonding methods include: installing studs, installing rebar, applying latex, scrubbing slurry into surface
bonding agents include: latex modified, cement slurry mix, epoxy (high and low viscosity)
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| F-17.04.01L |
demonstrate knowledge of bonded and non-bonded toppings and their applications and procedures for use |
identify types of toppings for concrete |
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identify bonding agents, their application and procedures for use |
| F-17.04.02L |
demonstrate knowledge of the application and procedure used to apply bonded and non-bonded toppings |
identify topping reinforcements and describe their application |
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identify bonding methods |
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describe curing methods for bonded and non-bonded toppings |
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describe safe work practices pertaining to the use of seamless systems |
Range of Variables
types of toppings include: pre-mixed topping, modified concrete, grout
bonding agents include: latex modified, cement slurry mix, epoxy (high and low viscosity)
topping reinforcement includes: synthetic or steel fibre, rebar, welded wire mesh
bonding methods include: installing studs, installing rebar, applying latex, scrubbing slurry into surface
F-17.05 Parges vertical surfaces
Essential Skills
Thinking, Document Use, Continuous Learning
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QC |
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yes |
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yes |
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ND |
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ND |
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Skills |
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Performance Criteria |
Evidence of Attainment |
| F-17.05.01P |
select parging material |
parging material is selected according to client and drawings and specifications |
| F-17.05.02P |
select application method |
application method is selected according to client and manufacturers’ instructions |
| F-17.05.03P |
mix parging material |
parging material is mixed according to manufacturers’ instructions |
| F-17.05.04P |
apply finishing and texturing methods |
finishing and texturing methods are applied according to desired design |
Range of Variables
finishing and texturing methods include: trowelling, stencilling, combing, sponging, grinding, dry sacking, adding colour, darbying
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| F-17.05.01L |
demonstrate knowledge of parging, the materials, application and procedures used |
identify types of parging materials |
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explain mixing methods for parging materials |
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describe parging procedures |
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identify finishing and texturing methods |
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describe the use of colours, their application and procedures for use |
Range of Variables
finishing and texturing methods include: trowelling, stencilling, combing, sponging, grinding, dry sacking, adding colour, darbying
F-17.06 Applies chemical surface treatment
Essential Skills
Continuous Learning, Thinking, Document Use
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QC |
ON |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
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yes |
yes |
yes |
ND |
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yes |
ND |
ND |
ND |
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Skills |
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|---|---|---|
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Performance Criteria |
Evidence of Attainment |
| F-17.06.01P |
determine type of chemical surface treatment |
chemical surface treatment is determined according to client instructions, and drawings and specifications |
| F-17.06.02P |
select and use tools and equipment |
tools and equipment are selected and used according to scope of work |
| F-17.06.03P |
verify the surface |
surface is verified for the hardness and moisture condition of the concrete according to manufacturers’ instructions |
| F-17.06.04P |
grind surface |
surface is ground to take off cement laitance according to manufacturers’ instructions |
| F-17.06.05P |
select and use acid stains or dyes |
acid stains or dyes are selected according to client instructions and used according to manufacturers' specifications |
| F-17.06.06P |
remove acid residue |
acid residue is removed according to manufacturers’ instructions to neutralize the floor prior to applying top coats |
| F-17.06.07P |
check pH level |
pH level is checked by performing litmus test |
| F-17.06.08P |
apply protective coating to acid stained surfaces |
protective coating is applied to acid-stained surfaces according to manufacturers' instructions and drawings and specifications |
| F-17.06.09P |
apply chemical surface treatment |
chemical surface treatment is applied according to manufacturers' instructions |
| F-17.06.10P |
dispose of toxic waste material |
toxic waste material is disposed of according to jurisdictional requirements |
Range of Variables
chemical surface treatments include: dyes, acid stains, silane, siloxane, oxides, silicate densifiers
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| F-17.06.01L |
demonstrate knowledge of the application of chemical surface treatment |
identify types of chemical surface treatment and mixing techniques and procedures for use |
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identify types of protective coatings and their application |
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describe hazards related to chemical surface treatment products and the safe work practices pertaining to their application |
| F-17.06.02L |
demonstrate knowledge of various factors that affect the use of chemical surface treatments |
explain moisture content of substrate and how it affects chemical surface treatments |
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identify application time and drying time requirements for chemical surface treatments |
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describe the effects of temperature on chemical surface treatments |
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describe how the concrete mix design affects the chemical surface treatments |
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describe safe work practices pertaining to the use of chemical surface treatments |
Range of Variables
chemical surface treatments include: dyes, acid stains, silane, siloxane, oxides, silicate densifiers
types of protective coatings include: epoxies, urethanes, acrylics
Task F-18 Grouts
Task Descriptor
Concrete finishers install grouts to transfer loads to concrete foundations and to fill voids between concrete elements.
F-18.01 Prepares surface for grouting
Essential Skills
Thinking, Oral Communication, Working with Others
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PE |
NB |
QC |
ON |
MB |
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BC |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
NV |
NV |
NV |
yes |
yes |
yes |
ND |
NV |
yes |
ND |
ND |
ND |
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Skills |
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|---|---|---|
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Performance Criteria |
Evidence of Attainment |
| F-18.01.01P |
profile surfaces |
surfaces are profiled to meet concrete surface profile ( CSP) according to industry documents and practices, and manufacturers’ instructions |
| F-18.01.02P |
clean surfaces |
surfaces are cleaned according to industry practices and manufacturers’ instructions |
| F-18.01.03P |
check forms |
forms are checked for leaks according to industry practices |
| F-18.01.04P |
pre-soak surfaces for cementitious grout |
surfaces are pre-soaked for cementitious grout using methods according to manufacturers’ instructions |
| F-18.01.05P |
apply bonding agents |
bonding agents are applied according to manufacturers' instructions |
Range of Variables
methods include: applying wet burlap, spraying, misting, fogging
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| E-18.01.01L |
demonstrate knowledge of grouts, surface preparation and application methods |
describe surface preparation requirements for specific grouts |
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identify surface preparation techniques |
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identify methods for achieving SSD |
Range of Variables
grouts include: cementitious, epoxy, polymeric
surface preparation includes: removing existing sealers, dirt, oil, cement laitance, chemicals
methods include: applying wet burlap, spraying, misting, fogging
F-18.02 Mixes grout
Essential Skills
Document Use, Numeracy, Thinking
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PE |
NB |
QC |
ON |
MB |
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NT |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
NV |
NV |
NV |
yes |
yes |
yes |
ND |
NV |
yes |
ND |
ND |
ND |
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Skills |
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|---|---|---|
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Performance Criteria |
Evidence of Attainment |
| F-18.02.01P |
determine volume of material required |
volume of material required is determined according to desired consistency and manufacturers’ instructions |
| F-18.02.02P |
clean mixing area and tools |
mixing area and tools are cleaned according to manufacturers’ instructions |
| F-18.02.03P |
add water and other additives |
water and other additives are added according to type of grout being used and manufacturers’ instructions |
| F-18.02.04P |
apply mixing techniques |
mixing techniques are applied according to manufacturers’ instructions |
Range of Variables
other additives include: aggregates, plasticizers, retarders, accelerators
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Knowledge |
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|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
| F-18.02.01L |
demonstrate knowledge of application and procedures for mixing grout |
identify types of grouts, their application and mixing equipment |
|
|
|
identify mixing hazards and safe work practices pertaining to mixing grouts |
|
|
|
explain ratios as they pertain to mixing grout |
|
|
|
describe other additives pertaining to mixing grout |
Range of Variables
types of grout include: cementitious, epoxy, polymeric
mixing equipment include: paddle mixer, shovel and wheelbarrow, drum mixer
mixing hazards include: solvent fumes, grout dust
other additives include: aggregates, plasticizers, retarders, accelerators
F-18.03 Installs grout
Essential Skills
Document Use, Thinking, Working with Others
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
NV |
NV |
NV |
yes |
yes |
yes |
ND |
NV |
yes |
ND |
ND |
ND |
|
|
Skills |
|
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
| F-18.03.01P |
determine installation methods |
installation methods are determined according to scope of work and manufacturers’ instructions |
| F-18.03.02P |
select and use tools and equipment |
tools and equipment are used according to scope of work |
| F-18.03.03P |
operate installation equipment |
installation equipment is operated according to manufacturers’ instructions |
| F-18.03.04P |
drypack grout |
drypack grout is compacted to consolidate according to industry practices |
| F-18.03.05P |
apply installation methods |
installation methods are applied according to scope of work and manufacturers’ instructions |
| F-18.03.06P |
grout machine bases |
machine bases are grouted to meet seating requirements according to drawings and specifications, and industry practices |
| F-18.03.07P |
grout pre-cast joints |
pre-cast joints are grouted according to drawings and specifications |
| F-18.03.08P |
inject grout |
grout is injected according to manufacturers’ instructions |
Range of Variables
installation methods include: injecting, pouring, strapping, rodding, vibrating, head boxing, pumping, chaining
installation equipment includes: vibrators, injection guns, grout pumps, metal straps, head box
|
|
Knowledge |
|
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
| F-18.03.01L |
demonstrates knowledge of grout and installation methods used |
identify types of grout, their applications and properties |
|
|
|
identify safe work practices and procedures pertaining to installing grout |
|
|
|
describe installation methods for grout |
|
|
|
identify installation equipment used for installing grout |
|
|
|
explain injection systems, their application and procedures for use |
|
|
|
explain pot life as it pertains to installation of grout |
Range of Variables
installation methods include: injecting, pouring, strapping, rodding, vibrating, head boxing, pumping, chaining
types of grout include: cementitious, epoxy, polymeric
installation equipment includes: vibrators, injection guns, grout pumps, metal straps, head box
F-18.04 Finishes exposed grout surfaces
Essential Skills
Document Use, Thinking, Reading
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
NV |
NV |
NV |
yes |
yes |
yes |
ND |
NV |
yes |
ND |
ND |
ND |
|
|
Skills |
|
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
| F-18.04.01P |
select and use tools and equipment |
tools and equipment are selected and used according to scope of work |
| F-18.04.02P |
determine hydration timing |
hydration timing is determined according to cementitious grout and surrounding conditions |
| F-18.04.03P |
remove forms |
forms are removed to access and finish edges |
| F-18.04.04P |
tool surfaces |
surfaces are tooled into required shape to achieve desired finish |
| F-18.04.05P |
select and apply curing method |
curing method is selected and applied according to engineers’ specifications and manufacturers’ instructions |
|
|
Knowledge |
|
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
| F-18.04.01L |
demonstrate knowledge of grout and procedures to finish exposed surfaces |
identify types of grout and their application and properties |
|
|
|
describe procedures used to finish and contour grout surfaces |
|
|
|
identify timing required for removing forms, finishing and curing exposed grout surfaces |
|
|
|
describe safe work practices and procedures pertaining to finishing exposed grout surfaces |
Range of Variables
types of grout include: cementitious, epoxy, polymeric, chemical
Task F-19 Performs cutting and coring
Task Descriptor
Concrete finishers cut and core concrete to modify, repair, restore, inspect and test hardened concrete materials.
F-19.01 Performs cutting
Essential Skills
Thinking, Numeracy, Oral Communication
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
NV |
NV |
NV |
yes |
yes |
yes |
ND |
NV |
yes |
ND |
ND |
ND |
|
|
Skills |
|
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
| F-19.01.01P |
determine cut locations |
cut locations are determined according to CSA A23.1, drawings and specifications using measuring devices, and industry standards |
| F-19.01.02P |
identify hazards |
hazards are identified according to site conditions and equipment used |
| F-19.01.03P |
install barriers |
barriers are installed to isolate work and mitigate hazards |
| F-19.01.04P |
select wet or dry cut |
wet or dry cut is selected according to work area requirements and drawings and specifications |
| F-19.01.05P |
select cutting equipment |
cutting equipment is selected according to depth of cut and choice of wet or dry cut |
| F-19.01.06P |
select saw blade |
saw blade is selected according to concrete consistency and depth of cut |
| F-19.01.07P |
cut concrete |
concrete is cut according to determined cut and to manufacturers’ instructions |
| F-19.01.08P |
remove and dispose of debris |
debris is removed according to industry practices and disposed of according to jurisdictional regulations |
Range of Variables
measuring devices include: tape measures, chalk lines, measuring wheels
hazards include: falling concrete, uncontrolled force, dust and debris, noise, slips, rotating equipment, embedded items, segment loss
cutting equipment include: floor saw, cut-off saw, chain saws, wire saw
|
|
Knowledge |
|
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
| F-19.01.01L |
demonstrate knowledge of cutting concrete, the equipment and procedures used |
identify types of cutting equipment, their applications and procedures for use |
|
|
|
identify types of saw blades, their applications and procedures for use |
|
|
|
identify measuring devices, and describe their applications and procedures for use |
|
|
|
identify hazards and safe work practices pertaining to cutting concrete |
|
|
|
describe barriers, their application and procedures for use |
Range of Variables
cutting equipment include: floor saw, cut-off saw, chain saws, wire saw
measuring devices include: tape measures, chalk lines, measuring wheels
hazards include: falling concrete, uncontrolled force, dust and debris, noise, slips, rotating equipment, embedded items, segment loss
F-19.02 Performs coring
Essential Skills
Thinking, Numeracy, Oral Communication
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
NV |
NV |
NV |
yes |
yes |
yes |
ND |
NV |
no |
ND |
ND |
ND |
|
|
Skills |
|
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
| F-19.02.01P |
determine coring locations |
coring locations are determined according to drawings and specifications using measuring devices |
| F-19.02.02P |
identify hazards |
hazards are identified based on equipment used and site conditions |
| F-19.02.03P |
install barriers |
barriers are installed to isolate work and mitigate hazards |
| F-19.02.04P |
select wet or dry core bit |
wet or dry core bit is selected according to manufacturers’ instructions |
| F-19.02.05P |
select coring equipment |
coring equipment is selected according to depth of cut and choice of wet or dry core bit and concrete hardness |
| F-19.02.06P |
select drill bit |
drill bit is selected according to concrete hardness and depth and diameter of cut |
| F-19.02.07P |
core concrete |
concrete is cored according to drawings and specifications |
Range of Variables
measuring devices include: tape measures, measuring wheels, chalk lines, depth gauges
hazards include: falling concrete, uncontrolled force, dust and debris, noise, slips, rotating equipment, embedded items, segment loss
coring equipment includes: electric, pneumatic, hydraulic, hammer drill, expansion anchors and eye bolts
|
|
Knowledge |
|
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
| F-19.02.01L |
demonstrate knowledge of coring concrete, the equipment and procedures used |
identify types of coring equipment, their applications and procedures for use |
|
|
|
identify types of drill bits, their applications and procedures for use |
|
|
|
identify measuring devices, and describe their applications and procedures for use |
|
|
|
identify hazards and safe work practices pertaining to coring concrete |
|
|
|
describe barriers, their application and procedures for use |
Range of Variables
coring equipment includes: electric, pneumatic, hydraulic, hammer drill, expansion anchors and eye bolts
measuring devices include: tape measures, measuring wheels, chalk lines, depth gauges
hazards include: falling concrete, uncontrolled force, dust and debris, noise, slips, rotating equipment, embedded items, segment loss
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