Major Work Activity H – Installs, Tests And Services Specialized Plumbing Systems
Task H-22 Installs, tests and services specialized systems
Task Descriptor
There are a number of specialized systems that, depending on the provincial jurisdictional regulations, may be worked on in the plumbing trade. Additional certification may be required in some jurisdictions to allow plumbers to work on these systems.
Natural gas, liquefied petroleum gas (LPG) and petroleum products are specialized piping installations. Plumbers install the piping from point of supply to the appliance isolation valve.
Plumbers install specialized piping and related equipment to provide medical gases in institutions such as hospitals, dental offices and clinics.
Residential irrigation systems provide water to lawns, gardens and flowerbeds. Commercial applications may include high volume installations for large areas such as farms, municipal parks and other public green spaces.
Ground source loops are essential components of a ground source heat pump system (geothermal). De‑superheaters are components of the heat pump, used to provide heat supplementation to the domestic hot water supply.
Radon mitigation to systems are installed by plumbers to prevent the entry of harmful radon gas into buildings.
Solar thermal systems are used to transfer heat for potable water and space heating supplementation as well as pool heating. Industrial installations also apply and may include low and high temperature applications.
Drain pipe heat recovery systems reclaim otherwise lost heat content from drains such as shower, sink and lavatory drains.
Compressed air systems provide filtered and dry compressed air for a variety of purposes.
Non-potable water systems would include green initiative items like grey water reuse and rainwater harvesting applications for irrigation and firefighting purposes. Plumbers would install collection and distribution piping and equipment for these systems. For the purpose of this standard, service includes troubleshooting, diagnosing, maintenance and repair.
Additional certification may be required in some jurisdictions to allow plumbers to install, test and service these systems.
H-22.01 Installs piping for specialized systems
Essential Skills
Reading, Document Use, Numeracy
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Performance Criteria |
Evidence of Attainment |
| H-22.01.01P |
confirm materials required to install piping |
materials required to install piping are confirmed according to codes, AHJ and specifications |
| H-22.01.02P |
confirm routing |
routing is confirmed according to specifications, site conditions and equipment location |
| H-22.01.03P |
lay out and assemble pipe |
pipe is laid out and assembled according to codes, AHJ, specifications, site conditions and equipment location |
| H-22.01.04P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
| H-22.01.05P |
plumb and level or grade pipe |
pipe is plumb and level or graded according to codes and AHJ |
| H-22.01.06P |
install approved piping components |
approved piping components are installed according to codes, AHJ and specifications |
Range of Variables
codes include: NPC, CSA B149, American Society of Mechanical Engineers (ASME)
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications and shop drawings
tools and equipment include: threading equipment, cutters, soldering and brazing equipment, flaring tools
piping components include: drip leg, swing joints, flexible connectors
| Knowledge |
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Learning Outcomes |
Learning Objectives |
| H-22.01.01L |
demonstrate knowledge of piping for specialized systems, their applications and operation |
identify types of piping for specialized systems and describe their properties, characteristics and applications |
interpret information pertaining to specialized systems found in specifications |
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interpret codes and regulations pertaining to piping for specialized systems |
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| H-22.01.02L |
demonstrate knowledge of the procedures used to install piping for specialized systems |
identify the factors to consider for determining pipe sizing in specialized systems |
identify tools and equipment for installing piping of specialized systems and describe their applications and procedures for use |
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describe the procedures used to install piping for specialized systems |
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Range of Variables
specialized systems include: compressed air, natural gas, propane, inert gas, medical gas, utility, process, radon
properties and characteristics include: physical characteristics, composition, toxicity, heating value, certification requirements
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications and shop drawings
tools and equipment include: threading equipment, cutters, soldering and brazing equipment, flaring tools
codes include: NPC, CSA B149, ASME
H-22.02 Installs equipment and components for specialized systems
Essential Skills
Document Use, Reading, Thinking
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Performance Criteria |
Evidence of Attainment |
| H-22.02.01P |
confirm materials required to install equipment and components |
materials required to install equipment and components are confirmed according to codes, AHJ and specifications |
| H-22.02.02P |
confirm location and installation sequence of equipment and components |
location and installation sequence of equipment and components are confirmed according to codes, AHJ and specifications |
| H-22.02.03P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
| H-22.02.04P |
place and secure equipment and components |
equipment and components are placed and secured according to codes, AHJ and specifications |
| H-22.02.05P |
install materials to compensate for movement and vibration |
equipment and components do not move or vibrate |
| H-22.02.06P |
verify type of liquid or gas and supply pressure/vacuum |
type of liquid or gas being used is verified and pressure/vacuum is supplied according to codes, AHJ and specifications |
| H-22.02.07P |
connect piping to equipment and components |
equipment and components are connected to piping according to codes, AHJ and specifications |
Range of Variables
equipment and components include: tanks, pumps, valve boxes, zone valves, sprinkler heads, pressure gauges, backflow preventers, neutralizers, interceptors
codes include: NPC, CSA B149, ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
tools and equipment include: wrenches, chain-falls, cutting equipment, come-alongs
materials include: housekeeping pads, spring isolators, flexible connections, anchor points, expansion joints
| Knowledge |
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Learning Outcomes |
Learning Objectives |
| H-22.02.01L |
demonstrate knowledge of equipment and components for specialized systems and their applications and operation |
define terminology associated with equipment and components for specialized systems |
identify equipment and components of specialized systems and describe their purpose and operation |
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identify hazards and describe safe work practices pertaining to equipment and components of specialized systems |
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identify handling, storage and transportation of equipment and components for specialized systems |
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interpret codes and regulations pertaining to equipment and components of specialized systems |
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interpret information found in specifications for equipment and components of specialized systems |
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| H-22.02.02L |
demonstrate knowledge of the procedures used to install equipment and components of specialized systems |
identify tools and equipment used to install equipment and components of specialized systems and describe their applications and procedures for use |
describe the procedures used to install equipment and components of specialized systems |
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Range of Variables
equipment and components include: tanks, pumps, valve boxes, zone valves, sprinkler heads, pressure gauges, backflow preventers
specialized systems include: compressed air, natural gas, propane, inert gas, medical gas, utility, process, radon
codes include: NPC, CSA B149, ASME
tools and equipment include: wrenches, chain-falls, cutting equipment, come-alongs
H-22.03 Tests specialized systems
Essential Skills
Document Use, Thinking, Writing, Reading
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Performance Criteria |
Evidence of Attainment |
| H-22.03.01P |
use testing equipment |
testing equipment is used to detect faults and to confirm operation |
| H-22.03.02P |
perform sensory inspection |
sensory inspection is performed to detect specialized system problems |
| H-22.03.03P |
perform tests according to specialized system |
tests are performed according to codes, AHJ and specifications |
| H-22.03.04P |
verify integrity of piping, equipment and components of specialized systems |
integrity of piping, equipment and components is tested according to codes, AHJ and specifications |
| H-22.03.05P |
isolate piping, equipment and components not required in advance of test to prevent damage |
sensitive equipment and components are isolated |
| H-22.03.06P |
record test results upon completion |
test results are verified and recorded based on codes, AHJ and specifications |
Range of Variables
testing equipment includes: inflatable test balls, test plugs, mandrels, compressors, hydrostatic pumps
faults include: cracks, corrosion, inadequate flow, poor workmanship
sensory inspection includes: audio, visual, smell, touch
specialized systems include: compressed air, natural gas, propane, inert gas, medical gas, utility, process, radon
tests include: hydrostatic, smoke, dye testing, nitrogen, air testing, pin index safety system, disc index safety system
codes include: NPC, CSA B149, ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
equipment and components include: tanks, pumps, valve boxes, zone valves, sprinkler heads, pressure gauges, backflow preventers, compressors, vacuum pumps
isolation includes: tag-out/lock-out, valves in closed position, caps, plugs, blanks
| Knowledge |
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Learning Outcomes |
Learning Objectives |
| H-22.03.01L |
demonstrate knowledge of procedures used to test specialized systems |
identify testing equipment for each specialized system and describe their applications and procedures for use |
identify potential problems and faults with each specialized system |
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describe the procedures used to test each specialized system |
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identify codes and regulations pertaining to specialized system |
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Range of Variables
testing equipment includes: inflatable test balls, test plugs, mandrels, compressors, hydrostatic pumps
specialized systems include: compressed air, natural gas, propane, inert gas, medical gas, utility, process, radon
codes include: NPC, CSA B149, ASME
H-22.04 Services specialized systems
Essential Skills
Thinking, Document Use, Working with Others
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Performance Criteria |
Evidence of Attainment |
| H-22.04.01P |
interpret client’s information |
client’s information is interpreted to assist in the diagnostic process |
| H-22.04.02P |
inspect piping, equipment, components and the operation of specialized system |
piping, equipment, components and the operation of specialized systems is inspected to determine conditions requiring service |
| H-22.04.03P |
clean, lubricate, repair or replace equipment and components |
equipment and components are cleaned, lubricated, repaired or replaced according to codes, AHJ and specifications |
| H-22.04.04P |
calibrate equipment and components |
equipment and components are calibrated according to codes, AHJ and specifications |
| H-22.04.05P |
check and adjust levels and conditions of media |
levels and conditions of media are adjusted according to codes, AHJ and specifications |
| H-22.04.06P |
check and adjust pressures |
pressures are checked and adjusted according to codes, AHJ and specifications to maintain system performance |
| H-22.04.07P |
complete service and maintenance records |
service and maintenance records are completed according to company policy, codes, AHJ and specifications to indicate status of current system and follow-up actions required |
| H-22.04.08P |
verify operation of safety devices |
operation of safety devices is verified according to codes, AHJ and specifications |
| H-22.04.09P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
| H-22.04.10P |
perform scheduled maintenance of system |
maintenance of system is performed according to schedule and codes, AHJ and specifications |
| H-22.04.11P |
isolate system and notify building occupants |
system is isolated according to the application codes, AHJ and specifications and building occupants are notified |
| H-22.04.12P |
return system to service and verify correct system operation |
system is returned to service and operation is verified |
Range of Variables
specialized systems include: compressed air, natural gas, propane, inert gas, medical gas, utility, process, radon
conditions requiring service includes: wear, noise, leaks, corrosion, failure
equipment and components include: tanks, pumps, valve boxes, zone valves, sprinkler heads, pressure gauges, backflow preventers
codes include: NPC, CSA B149, ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings
media includes: glycol, medical gas, natural gas
| Knowledge |
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Learning Outcomes |
Learning Objectives |
| H-22.04.01L |
demonstrate knowledge of the procedures used to service specialized systems |
identify tools and equipment used to service specialized systems and describe their applications and procedures for use |
describe the procedures used to service specialized systems and their equipment and components |
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identify codes and regulations pertaining to servicing specialized system |
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Range of Variables
specialized systems include: compressed air, natural gas, propane, inert gas, medical gas, utility, process, radon
equipment and components include: tanks, pumps, valve boxes, zone valves, sprinkler heads, pressure gauges, backflow preventers
codes include: NPC, CSA B149, ASME
Task H-23 Installs, tests and services process piping systems
Task Descriptor
Process piping allows for a wide variety of applications. These piping systems may convey materials or fluids for applications such as manufacturing or treatment processes. These systems are installed in locations ranging from small businesses to large factories. For the purpose of this standard, service includes troubleshooting, diagnosing, maintenance and repairs.
H-23.01 Installs piping for process piping systems
Essential Skills
Reading, Document Use, Numeracy
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Performance Criteria |
Evidence of Attainment |
| H-23.01.01P |
confirm materials required to install piping |
materials required to install piping are confirmed according to codes, AHJ and specifications |
| H-23.01.02P |
confirm routing |
routing is confirmed according to codes, AHJ, specifications, site conditions and equipment location |
| H-23.01.03P |
lay out and assemble pipe |
pipe is laid out and assembled according to codes, AHJ and specifications, site conditions and equipment location |
| H-23.01.04P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
| H-23.01.05P |
plumb and level or grade pipe |
pipe is plumb and level or graded according to codes, AHJ and specifications |
| H-23.01.06P |
install, label and identify approved piping components |
approved piping components are installed, labelled and identified according to codes, AHJ and specifications |
Range of Variables
codes include: NPC, CSA, Canadian Food and Drugs Act (CFDA), ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
piping components include: flexible connectors, vibration isolators, expansion joints
tools and equipment include: threading equipment, cutters, torches, grooving equipment, flaring tools, welding equipment
| Knowledge |
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Learning Outcomes |
Learning Objectives |
| H-23.01.01L |
demonstrate knowledge of process piping systems, their applications and operation |
identify types of process piping systems and describe their properties, characteristics and applications |
interpret information pertaining to process piping systems found in specifications |
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interpret codes and regulations pertaining to piping for process piping systems |
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| H-23.01.02L |
demonstrate knowledge of the procedures used to install piping for process piping systems |
identify tools and equipment relating to process piping systems and describe their applications and procedures for use |
describe the procedures used to install piping for process piping systems |
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describe the procedures used to protect piping for process piping systems |
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Range of Variables
types of process piping systems include: food processing (food grade, non-food grade), reverse-osmosis, high purity water, water treatment plant, waste water treatment plant, non-potable water (reclaim)
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
codes include: NPC, CSA, CFDA, ASME
tools and equipment include: threading equipment, cutters, torches, grooving equipment, flaring tools, welding equipment
procedures used to protect include: installing guards, installing anchor points, installing expansion joints
H-23.02 Installs equipment and components for process piping systems
Essential Skills
Document Use, Reading, Thinking
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Performance Criteria |
Evidence of Attainment |
| H-23.02.01P |
confirm materials required to install equipment and components |
materials required to install equipment and components are confirmed according to codes, AHJ and specifications |
| H-23.02.02P |
confirm location and installation sequence of equipment and components |
location and installation sequence of equipment and components are confirmed according to codes, AHJ and specifications |
| H-23.02.03P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
| H-23.02.04P |
place and secure equipment and components |
equipment and components are placed according to codes, AHJ and specifications and are secured |
| H-23.02.05P |
install materials to compensate for movement and vibration |
equipment and components do not move or vibrate |
| H-23.02.06P |
connect piping to equipment and components |
equipment and components are connected to piping according to codes, AHJ and specifications |
Range of Variables
equipment and components include: tanks, pumps, specialty valves, valve boxes, zone valves, pressure gauges, backflow preventers
codes include: NPC, CSA, CFDA, ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
tools and equipment include: threading equipment, cutters, torches, grooving equipment, flaring tools, welding equipment
materials include: housekeeping pads, spring isolators, flexible connections
| Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
| H-23.02.01L |
demonstrate knowledge of types of process piping systems, equipment and components and their applications and operation |
define terminology associated with process piping equipment and components |
identify hazards and describe safe work practices pertaining to process piping equipment and components |
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identify proper handling, storage and transportation of process piping equipment and components |
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interpret codes, specifications and regulations pertaining to process piping equipment and components |
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interpret information found in specifications for process piping equipment and components |
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identify process piping equipment and components and describe their purpose and operation |
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| H-23.02.02L |
demonstrate knowledge of the procedures used to install process piping equipment and components |
identify tools and equipment relating to process piping equipment and components and describe their applications and procedures for use |
describe the procedures used to install process piping equipment and components |
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Range of Variables
types of process piping systems include: food processing (food grade, non-food grade), reverse-osmosis, high purity water, water treatment plant, waste water treatment plant, non-potable water (reclaim)
equipment and components include: tanks, pumps, valve boxes, zone valves, sprinkler heads, pressure gauges and backflow preventers
codes include: NPC, CSA, CFDA, ASME
tools and equipment include: threading equipment, cutters, torches, grooving equipment, flaring tools, welding equipment
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
H-23.03 Tests process piping systems
Essential Skills
Document Use, Writing, Thinking
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| Skills |
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Performance Criteria |
Evidence of Attainment |
| H-23.03.01P |
use testing equipment |
testing equipment is used to detect faults and to confirm operation |
| H-23.03.02P |
perform sensory inspection |
sensory inspection is performed to detect problems |
| H-23.03.03P |
perform tests |
tests are performed according to the codes, AHJ and specifications |
| H-23.03.04P |
verify integrity of piping, equipment and components |
integrity of piping, equipment and components is tested according to codes, AHJ and specifications |
| H-23.03.05P |
isolate piping, equipment and components not required in advance of test to prevent damage |
sensitive equipment and components are isolated |
| H-23.03.06P |
record test results upon completion |
test results are verified and recorded based on codes, AHJ and specifications |
Range of Variables
testing equipment includes: inflatable test balls, test plugs, compressors
faults include: cracks, corrosion, inadequate flow, poor workmanship
sensory inspection includes: audio, visual, smell, touch
tests include: hydrostatic, smoke, bending test, dye testing, nitrogen and air testing
codes include: NPC, CSA, CFDA, ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
isolation include: tag-out/lock-out, valves in closed position, caps, plugs, blanks
| Knowledge |
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|---|---|---|
|
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Learning Outcomes |
Learning Objectives |
| H-23.03.01L |
demonstrate knowledge of the procedures used to test process piping systems |
identify testing equipment relating to process piping systems and describe their application |
identify potential problems and faults with each process piping system |
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describe the procedures used to test and troubleshoot process piping systems |
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identify codes, specifications and regulations pertaining to process piping systems |
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Range of Variables
process piping systems include: food processing (food grade, non-food grade), reverse-osmosis, high purity water, water treatment plant, waste water treatment plant, non-potable water (reclaim)
testing equipment includes: inflatable test balls, test plugs, compressors
codes include: NPC, CSA, CFDA, ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
H-23.04 Services process piping systems
Essential Skills
Thinking, Document Use, Working with Others
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| Skills |
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Performance Criteria |
Evidence of Attainment |
| H-23.04.01P |
interpret client’s information |
client’s information is interpreted to assist in the diagnostic process |
| H-23.04.02P |
inspect piping, equipment, components and the operation of process piping systems |
piping, equipment, components and the operation of process piping systems is inspected to determine conditions requiring service |
| H-23.04.03P |
clean, lubricate, repair or replace equipment and components |
equipment and components are cleaned, lubricated repaired or replaced according to codes, AHJ and specifications |
| H-23.04.04P |
adjust equipment and components |
equipment and components are adjusted according to codes, AHJ and specifications |
| H-23.04.05P |
check and adjust levels and conditions of media |
levels and conditions of media are adjusted according to codes, AHJ and specifications |
| H-23.04.06P |
check and adjust pressures |
pressures are checked and adjusted according to codes, AHJ and specifications to maintain system performance |
| H-23.04.07P |
complete service and maintenance records |
service and maintenance records are completed according to company policy, codes, AHJ and specifications to indicate status of current system and follow-up actions required |
| H-23.04.08P |
verify operation of safety devices |
operation of safety devices is verified according to codes, AHJ and specifications |
| H-23.04.09P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
| H-23.04.10P |
perform scheduled maintenance of system |
maintenance of system is performed according to schedule and codes, AHJ and specifications |
| H-23.04.11P |
notify building occupants and isolate system |
building occupants are notified and system is isolated according to the application codes, AHJ and specifications |
| H-23.04.12P |
return system to service and verify correct system operation |
system is returned to service and correct system operation is verified |
Range of Variables
process piping systems include: food processing (food grade, non-food grade), reverse-osmosis, high purity water, water treatment plant, waste water treatment plant, non-potable water (reclaim)
conditions requiring service includes: wear, noise, leaks, corrosion, failure
codes include: NPC, CSA, CFDA, ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
equipment and components include: tanks, pumps, valve boxes, zone valves, specialty valves, pressure gauges, backflow preventers
media includes: glycol, pulp, chemicals, food and beverage
tools and equipment include: threading equipment, cutters, torches, grooving equipment, flaring tools, welding equipment
| Knowledge |
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|---|---|---|
|
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Learning Outcomes |
Learning Objectives |
| H-23.04.01L |
demonstrate knowledge of the procedures used to service process piping systems, |
identify tools and equipment used to service process piping systems and describe their applications and procedures for use |
describe the procedures used to service process piping systems and their equipment and components |
||
identify codes, specifications and regulations pertaining to servicing process piping systems |
||
Range of Variables
tools and equipment include: threading equipment, cutters, torches, grooving equipment, flaring tools, welding equipment
equipment and components include: tanks, pumps, valve boxes, zone valves, specialty valves, pressure gauges, backflow preventers
codes include: NPC, CSA, CFDA, ASME
specifications include: engineered drawings, manufacturers’ requirements, system requirements, job specifications, shop drawings, standards
process piping systems include: food processing (food grade, non-food grade), reverse-osmosis, high purity water, water treatment plant, waste water treatment plant, non-potable water (reclaim)
- Date modified: