Major Work Activity D – Installs, Tests, Maintains, Troubleshoots and Repairs Low and High Pressure Steam and Condensate Systems
Task D‑10 Installs, tests, maintains, troubleshoots and repairs low pressure steam and condensate systems.
Task Descriptor
Steamfitters/Pipefitters install low pressure steam and condensate system equipment and piping in industrial locations such as distilleries, pulp mills, mines, automotive plants, commercial settings and process plants. Processes that use low pressure steam include indirect water heating and central heating.
Steamfitters/Pipefitters are responsible for the maintenance of piping, components and equipment for these systems. Maintenance is done on a regular schedule or on an emergency basis to ensure the integrity of the piping system. Steamfitters/Pipefitters are responsible for diagnosing, locating and repairing or replacing equipment and material. Repairs are performed on an as-needed basis.
Industry Expected Performance
The task must be performed according to the applicable jurisdictional codes and standards. All health and safety standards must be respected. Work should be done efficiently and at a high quality without material waste or environmental damage. All requirements of the manufacturer, client specifications and the AHJ must be met.
At a journeyperson level of performance, all tasks must be done with minimal direction and supervision.
D-10.01 Installs equipment for low pressure steam and condensate systems.
Essential Skills
Document Use, Thinking Skills, Numeracy
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
|
Skills |
||
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
|
D-10.01.01P |
select equipment |
equipment is selected according to load and demand, and type of low pressure steam and condensate system |
|
D-10.01.02P |
size equipment |
low pressure steam and condensate system is sized using approved methods and consulting engineered drawings, jurisdictional codes and specifications |
|
D-10.01.03P |
determine location and placement of equipment |
location and placement of equipment is determined according to drawings |
|
D-10.01.04P |
determine high points and low points for low pressure steam and condensate system equipment and components |
high points and low points are identified |
|
D-10.01.05P |
select and use tools and equipment required for installation of low pressure steam and condensate systeme quipment |
appropriate tools and equipment for the installation are selected based on type of system and size of piping |
|
D-10.01.06P |
install equipment supports and fasteners |
equipment supports and fasteners are installed to required spacing, weight, vibration isolation, height and grade in order to accommodate operation of the system |
|
D-10.01.07P |
determine installation method |
installation method used to set equipment in place is determined by size, weight and location of equipment |
|
D-10.01.08P |
set and secure equipment in place |
low pressure steam and condensate system equipment is installed respecting the required clearances, limitations are aligned/orientated, leveled and anchored in place |
Range of Variables
equipment includes: boilers, boiler trim, expansion joints, pumps, heat transfer equipment, steam traps, tanks, valves, water treatment equipment
low pressure steam and condensate systems include: parallel flow, counter flow, two pipe, gravity return, mechanical return, wet or dry return
sizing methods include: performing calculations, determining measurements, consulting manufacturers/supplier documentation
drawings include: engineered, mechanical, architectural
high points include: vents
low points include: drains, steam traps
tools and equipment include: hand tools, power tools and equipment, rigging and material handling equipment, threading machine, brazing, soldering and, welding tools and equipment
equipment supports include: stands, hangers, plates, housekeeping pads, isolator pads, concrete embeds
equipment fasteners include: expansion type inserts, beam clamps, nuts, bolts, screws
installation method includes: manual, mechanical (cranes, chain falls, tuggers, rollers, come‑alongs, cable grip hoists and hydraulic jacks)
|
Knowledge |
||
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
|
D-10.01.01K |
demonstrate knowledge of low pressure steam and condensate systems, their applications and operation |
explain the applications and operation of low pressure steam and condensate systems |
|
interpret information pertaining to low pressure steam and condensate system equipment found on drawings and specifications |
||
|
D-10.01.02K |
demonstrate knowledge of low pressure steam and condensate system equipment, their applications and operation |
identify types of low pressure steam and condensate system equipment and describe their characteristics and operation |
|
identify low pressure steam and condensate system equipment supports and fasteners and describe their applications and procedures for use |
||
|
identify low pressure steam and condensate system control components and describe their purpose and operation |
||
|
identify types of fuel used in low pressure steam and condensate systems |
||
|
explain the principles of heat transfer |
||
|
identify types of heat transfer equipment and describe their characteristics and operation |
||
|
D-10.01.03K |
demonstrate knowledge of the procedures used to install equipment for low pressure steam and condensate systems |
identify equipment, controls, supports and fasteners used in low pressure steam and condensate systems, and describe their purpose and operation |
|
describe the procedures used to install equipment for low pressure steam and condensate systems, their controls, supports and fasteners |
||
Range of Variables
equipment includes: boilers, boiler trim, expansion joints, pumps, heat transfer equipment, steam traps, tanks, valves, water treatment equipment
equipment supports include: stands, hangers, plates, housekeeping pads, isolator pads, concrete embeds
equipment fasteners include: expansion type inserts, beam clamps, nuts, bolts, screws
control components include: low water cut-offs (LWCO), operating pressure controls, feed water level controls, high limit pressure controls, automatic valves (motorized)
fuel includes: fuel oil, gas, coal
principles of heat transfer include: radiation, conduction, convection
heat transfer equipment includes: radiators, convectors, pipe coils, horizontal and vertical unit heaters, heat exchangers
D-10.02 Installs piping for low pressure steam and condensate systems.
Essential Skills
Document Use, Thinking Skills, Numeracy
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
|
Skills |
||
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
|
D-10.02.01P |
determine routing of piping |
routing of piping is confirmed by referencing drawings, or modified to avoid obstructions and/or conflicts |
|
D-10.02.02P |
select and size piping |
type of pipe is selected based on system application and sized to ensure operation of system and flow requirements |
|
D-10.02.03P |
select and use tools and equipment |
appropriate tools and equipment for the installation selected are based on type and size of piping |
|
D-10.02.04P |
clean and prepare fittings and joints |
joining methods are used and fit-up to avoid leaks is ensured |
|
D-10.02.05P |
determine joining method for piping system |
joining method is determined by engineered drawings and specifications, type and size of pipe |
|
D-10.02.06P |
calculate grade or pitch of piping |
grade or pitch of piping is calculated in order to ensure system efficiency and functionality |
|
D-10.02.07P |
install piping supports |
piping supports are installed to required spacing, height and grade in order to accommodate efficient operation of the system |
|
D-10.02.08P |
assemble and install piping |
piping is assembled and installed using joining methods and in a manner to allow for insulation of steam lines including sleeving and proper spacing, and making allowances for contraction and expansion |
Range of Variables
routing obstructions include: structural components (beams, walls), other mechanical and electrical systems
routing conflicts include: high and low points, clearances, protection from environmental damage (rain, frost, snow), protection from mechanical damage (overhead doors, forklifts, machinery)
piping includes: carbon steel, copper, stainless steel
tools and equipment include: hand tools, power tools and equipment, lifting equipment, threading machines and welding equipment, tube bending equipment
joining methods include: flanging, threading, grooving, welding, soldering, brazing, mechanical joints
supports include: rollers, hangers, clamps, brackets, stands, anchors, guides
allowances for contraction and expansion include: expansion joints, expansion loops, swing joints
|
Knowledge |
||
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
|
D-10.02.01K |
demonstrate knowledge of the properties of steam |
explain the properties of steam |
|
describe the use of steam tables to identify the relationship between pressure and temperature |
||
|
calculate grade and pitch of piping to ensure system efficiency and functionality |
||
|
D-10.02.02K |
demonstrate knowledge of low pressure steam and condensate piping configurations, their applications and operation |
explain the applications of low pressure steam and condensate piping configurations |
|
identify type of pipe and piping components for low pressure steam and condensate systems , and describe their purpose and operation |
||
|
interpret information pertaining to low pressure steam and condensate piping found on drawings and specifications |
||
|
explain the effects of expansion and contraction on piping in low pressure steam and condensate systems |
||
|
explain the effects of trapped air in low pressure steam and condensate piping systems and describe the procedures to prevent it |
||
|
identify the considerations for selecting piping system components for low pressure steam and condensate systems |
||
|
D-10.02.03K |
demonstrate knowledge of the procedures used to install piping and piping components for low pressure steam and condensate systems |
describe the procedures used to install piping and piping components for low pressure steam and condensate systems |
|
describe the procedures used to protect and restrain low pressure steam and condensate system piping and piping components |
||
Range of Variables
properties of steam include: pressure, temperature, latent heat, sensible heat, total heat, volume
configurations include: parallel flow, counter flow, two pipe, gravity return, mechanical return, wet or dry return
applications include: residential heating, industrial, commercial and institutional (ICI) heating, process heating
piping includes: carbon steel, stainless steel, copper
piping components include: manual and automatic valves, steam traps, air vents, expansion joints, strainers, check valves
selection considerations include: insulation requirements, type of supports, shoes and sleeves, expansion, contraction
protection includes: protection from mechanical damage, seismic activity, environmental conditions
D-10.03 Tests low pressure steam and condensate systems.
Essential Skills
Document Use, Numeracy, Writing
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
|
Skills |
||
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
|
D-10.03.01P |
perform a visual pre-check inspection of system to check for possible obstructions and deficiencies |
punch list is completed to confirm components are installed |
|
D-10.03.02P |
determine type of test, testing equipment and components, and test parameters |
type of test and the test parameters are determined to match system application and requirements according to engineered specifications |
|
D-10.03.03P |
determine test medium to be used for test, and the method of filling, draining or purging the system |
medium to be used is determined based on type of test selected and method of filling, draining or purging is determined by the medium |
|
D-10.03.04P |
assemble testing equipment and components |
assembled testing equipment allows the test to be completed |
|
D-10.03.05P |
lock out and tag out system |
system components are locked and tagged out to prevent activation during testing |
|
D-10.03.06P |
install isolation components to protect sensitive equipment and ensure the system is in a zero energy state |
isolation components are installed, sensitive equipment is protected from test pressures and confirmation of zero energy state is completed |
|
D-10.03.07P |
install testing equipment and components |
testing equipment and components are connected following the test procedures |
|
D-10.03.08P |
perform test on system to verify the integrity of the system |
test medium is introduced to the system and results of test are recorded for the purpose of obtaining sign-off once there are no defects |
|
D-10.03.09P |
remove test medium from system |
test medium is removed and either recycled or disposed of depending on type of test medium |
|
D-10.03.10P |
remove lock-out and tag-out from components and piping system |
locks and tags are removed |
|
D-10.03.11P |
reinstate system |
isolation components and testing equipment are removed and original components are reinstalled |
|
D-10.03.12P |
complete documentation |
required documents are completed, signed off by the appropriate parties and final copies distributed |
Range of Variables
tests include: hydrostatic, pneumatic, vacuum
testing equipment and components include: blind flanges, calibrated pressure gauges, test pumps, relief valves, gate valves, recorders, testing trees/headers, regulators
test medium includes: water, water/glycol mix, air, inert gases
method of filling, draining or purging includes: using hand pump, centrifugal pump, compressors, compressed gas cylinders
isolation components include: spectacle blinds, spades, plugs and caps, temporary spool pieces
confirmation of zero energy state includes: ensuring necessary valves and drains are open and clear, pressure gauges identify zero, and equipment is inoperable
testing equipment and components include: test trees and components, pressure gauges, pumps, compressors, test medium
appropriate parties include: QA/QC personnel, owner/operator, AHJ
|
Knowledge |
||
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
|
D-10.03.01K |
demonstrate knowledge of testing equipment and components |
identify types of testing equipment and components and describe their characteristics and applications |
|
D-10.03.02K |
demonstrate knowledge of system testing |
identify types of tests and describe their applications |
|
identify test medium used in testing of low pressure steam and condensate systems, and describe their characteristics and applications |
||
|
identify method of filling, draining or purging test medium |
||
|
identify types of isolation components and describe their characteristics and applications |
||
|
interpret information pertaining to low pressure steam and condensate system testing found on drawings and specifications |
||
|
explain the effect of elevation and temperature on pressure when testing low pressure steam and condensate systems |
||
|
explain the effects trapped air in a low pressure steam and condensate system will have on testing and describe the procedures to prevent or correct it |
||
|
D-10.03.03K |
demonstrate knowledge of the procedures used to test low pressure steam and condensate systems |
describe the procedures used to perform system testing |
|
describe the procedures used to remove test medium from system |
||
|
describe the procedures used to reinstate system |
||
Range of Variables
testing equipment and components include:blind flanges, calibrated pressure gauges, test pumps, relief valves, gate valves, recorders, testing trees/headers, regulators
tests include: hydrostatic, pneumatic, vacuum
test medium includes: water, water/glycol mix, air, inert gases
method of filling, draining or purging includes: using hand pumps, centrifugal pumps, compressors, compressed gas cylinders
isolation components include: spectacle blinds, spades, plugs and caps, temporary spool pieces
D-10.04 Maintains, troubleshoots and repairs low pressure steam and condensate systems.
Essential Skills
Oral Communication, Thinking Skills, Document Use
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
|
Skills |
||
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
|
D-10.04.01P |
determine system issues that require investigation |
system issues requiring investigation are determined by consulting with system owner/operator |
|
D-10.04.02P |
troubleshoot low pressure steam and condensate systems to determine requirements for repair or replacement |
perform testing and inspection of system to determine equipment or components in condition for repair or replacement |
|
D-10.04.03P |
lock out and tag out system |
system is locked and tagged out to prevent activation during repair |
|
D-10.04.04P |
install isolation components and ensure the system is in a zero energy state |
isolation components are installed and confirmation of zero energy state is completed |
|
D-10.04.05P |
disassemble system, repair or replace the faulty equipment or components and reassemble the system |
required equipment and components are removed, repaired or replaced and reassembled without damage to other components or the surrounding area |
|
D-10.04.06P |
reinstate system to operating condition and verify repair |
system is filled and pressurized, bled of air or contaminants, checked for leaks, locks removed and returned to normal operating condition |
|
D-10.04.07P |
document the repairs |
repairs are documented |
|
D-10.04.08P |
lock out and tag out system |
system is locked and tagged out to prevent activation during maintenance |
|
D-10.04.09P |
isolate equipment or components requiring maintenance |
equipment or components are isolated from the system to allow for completing the required maintenance procedure |
|
D-10.04.10P |
follow a predetermined maintenance schedule and complete required documentation |
maintenance is performed according to the predetermined schedule, components are free of contaminants and operating efficiently, and documentation is updated with the required information |
|
D-10.04.11P |
check water quality |
water quality is tested for hardness, acidity, dissolved gases and suspended particulates using a test kit |
|
D-10.04.12P |
treat water in system with chemicals |
system water quality is within required parameters depending on type and application of the system, and based on the results of the water quality test |
|
D-10.04.13P |
remove lock-out and tag-out from components and piping system |
locks and tags are removed |
|
D-10.04.14P |
reinstate system to operating condition after completing maintenance procedures |
system is filled and pressurized, bled of air or contaminants, checked for leaks, and returned to normal operating condition |
Range of Variables
testing and inspection includes: sensory inspection (visual, auditory, smell, touch), diagnostic testing, monitor system operation
conditions for repair or replacement include: abnormal temperature, leaks, corrosion, control malfunction, vibration, irregular movement
isolation components include: spectacle blinds, spades, plugs and caps, temporary spool pieces
confirmation of zero energy state includes: ensuring necessary valves and drains are open and clear, pressure gauges identify zero energy and equipment is inoperable
maintenance procedures include: adding chemicals, lubricating, checking fluids, cleaning components, inspecting equipment or components for wear
components include: pumps, strainers, filters, traps, valves
required documentation includes: lock-out and tag-out, maintenance log, QC reports
|
Knowledge |
||
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
|
D-10.04.01K |
demonstrate knowledge of testing equipment and components for troubleshooting low pressure steam and condensate systems |
identify types of testing equipment and components and describe their characteristics and applications |
|
identify types of isolation components and describe their characteristics and applications |
||
|
interpret information pertaining to low pressure steam and condensate system troubleshooting, repair and maintenance found on drawings, specifications and equipment manuals |
||
|
explain the effect of pressure on elevation when troubleshooting low pressure steam and condensate systems |
||
|
explain the effects trapped air in a low pressure steam and condensate system will have on system operation and describe the procedures to prevent or correct it |
||
|
D-10.04.02K |
demonstrate knowledge of the procedures used to troubleshoot, repair and maintain low pressure steam and condensate systems |
describe the procedures used to trouble shoot low pressure steam and condensate systems |
|
describe the procedures used to repair low pressure steam and condensate systems |
||
|
describe the procedures used to maintain low pressure steam and condensate systems |
||
|
describe the procedures used to complete documentation following low pressure steam and condensate system repair or maintenance |
||
Range of Variables
testing equipment and components include: multimeter, manometer, infrared thermometer, chemical testing equipment
isolation components include: spectacle blinds, spades, plugs and caps, temporary spool pieces
Task D‑11 Installs, tests, maintains, troubleshoots and repairs high pressure steam and condensate systems.
Task Descriptor
Steamfitters/Pipefitters install high pressure steam and condensate system equipment and piping in industrial locations such as refineries, pulp mills, mines, automotive plants, commercial settings and power generating and process plants. Processes that use high pressure steam include running turbines, indirect water heating and central heating.
Industry Expected Performance
The task must be performed according to the applicable jurisdictional codes and standards. All health and safety standards must be respected. Work should be done efficiently and at a high quality without material waste or environmental damage. All requirements of the manufacturer, client specifications and the AHJ must be met.
At a journeyperson level of performance, all tasks must be done with minimal direction and supervision.
D-11.01 Installs equipment for high pressure steam and condensate systems.
Essential Skills
Document Use, Thinking Skills, Numeracy
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
|
Skills |
||
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
|
D-11.01.01P |
select equipment |
equipment is selected according to load and demand, and type of high pressure steam and condensate system |
|
D-11.01.02P |
size equipment |
high pressure steam and condensate system is sized using approved methods and consulting engineered drawings, jurisdictional codes and specifications |
|
D-11.01.03P |
determine location and placement of equipment |
location and placement of equipment is determined according to drawings and manufacturers’ specifications |
|
D-11.01.04P |
determine low points for equipment and components |
low points are identified |
|
D-11.01.05P |
select and use tools and equipment required for installation of high pressure steam and condensate system equipment |
appropriate tools and equipment for the installation of equipment are selected based on type of system and size of piping |
|
D-11.01.06P |
install equipment supports and fasteners |
equipment supports and fasteners are installed to required spacing, weight, vibration isolation, height and grade in order to accommodate operation of the system |
|
D-11.01.07P |
determine installation method |
installation method used to set equipment in place is determined by size, weight and location of equipment |
|
D-11.01.08P |
set and secure system equipment in place |
system equipment is installed respecting the required clearances and limitations, and is aligned/orientated, leveled and anchored |
Range of Variables
equipment includes: boilers, boiler trim, expansion joints, pumps, heat transfer equipment, steam traps, valves, flash tanks, superheaters, re-heaters, de-aerators, desuperheaters, condensers, water treatment equipment
high pressure steam and condensate systems include: condensing/non-condensing plant, generating plant, process
sizing methods include: performing calculations, determining measurements, consulting manufacturer/supplier documentation
drawings include: engineered, mechanical, architectural
low points include: blowdown tanks, drains, condensate receivers
tools and equipment include: hand tools, power tools and equipment, rigging and material handling equipment, threading machine, welding tools and equipment
equipment supports include: stands, hangers, plates, housekeeping pads, isolator pads, concrete embeds
equipment fasteners include: expansion type inserts, beam clamps, nuts, bolts, screws
installation method includes: manual, mechanical (cranes, chain falls, tuggers, rollers, come-alongs, cable grip hoists, hydraulic jacks)
|
Knowledge |
||
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
|
D-11.01.01K |
demonstrate knowledge of high pressure steam and condensate systems, their applications and operation |
explain the applications and operation of high pressure steam and condensate systems |
|
interpret information pertaining to high pressure steam and condensate system equipment found on drawings and specifications |
||
|
D-11.01.02K |
demonstrate knowledge of high pressure steam and condensate system equipment, their applications and operation |
identify types of high pressure steam and condensate system equipment, and describe their characteristics and operation |
|
identify high pressure steam and condensate system supports and fasteners, and describe their applications and procedures for use |
||
|
identify high pressure steam and condensate system control components and describe their purpose and operation |
||
|
identify types of fuel used in high pressure steam and condensate systems |
||
|
identify sources of cooling used in high pressure steam and condensate system |
||
|
explain the principles of heat transfer |
||
|
identify types of heat transfer equipment and describe their characteristics and operation |
||
|
D-11.01.03K |
demonstrate knowledge of the procedures used to install equipment for high pressure steam and condensate systems |
identify equipment, controls, supports and fasteners used in high pressure steam and condensate systems, and describe their purpose and operation |
|
describe the procedures used to install equipment for high pressure steam and condensate systems, their controls, supports and fasteners |
||
Range of Variables
applications include: power generation, process, central heating
equipment includes: boilers, boiler trim, expansion joints, pumps, heat transfer equipment, steam traps, valves, flash tanks, superheaters, re-heaters, de‑aerators, desuperheaters, condensers, water treatment equipment
system supports include: stands, hangers, plates, housekeeping pads, isolator pads, concrete embeds
system fasteners include: expansion type inserts, beam clamps, nuts, bolts, screws
control components include: LWCO, operating pressure controls, high limit pressure controls, safety controls, feed water controls
fuel includes: fuel oil, gas, coal, biomass, nuclear
sources of cooling include: cooling towers, condensers, flash tanks, blowdown tanks, converters
principles of heat transfer include: radiation, conduction, convection
heat transfer equipment includes: converters, turbines, radiators, convectors, pipe coils, horizontal, and vertical unit heaters
D-11.02 Installs piping for high pressure steam and condensate systems.
Essential Skills
Document Use, Thinking Skills, Numeracy
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
|
Skills |
||
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
|
D-11.02.01P |
determine routing of piping |
routing of piping is confirmed by referencing drawings, or modified to avoid obstructions and/or conflicts |
|
D-11.02.02P |
select and size piping |
type of pipe is selected based on system application and sized to ensure operation of system and flow requirements |
|
D-11.02.03P |
select and use tools and equipment |
appropriate tools and equipment for the installation selected are based on type and size of piping |
|
D-11.02.04P |
clean and prepare fittings and joints |
use joining methods and ensure fit-up to avoid leaks |
|
D-11.02.05P |
determine joining method for piping system |
joining method is determined by engineered drawings and specifications, type and size of pipe |
|
D-11.02.06P |
calculate grade or pitch of piping |
grade or pitch of piping is calculated in order to ensure system efficiency and functionality |
|
D-11.02.07P |
install piping supports |
piping supports are installed to required spacing, height and grade in order to accommodate operation of the system |
|
D-11.02.08P |
assemble and install piping |
piping is assembled and installed using joining methods and in a manner to allow for insulation of steam lines including sleeving and proper spacing, and making allowances for contraction and expansion |
Range of Variables
routing obstructions include: structural components (beams, walls), other mechanical and electrical systems
routing conflicts include: high and low points, clearances, protection from environmental damage (extreme heat or cold), protection from mechanical damage (overhead doors, forklifts, machinery)
piping includes: chrome, carbon steel, stainless steel
tools and equipment include: hand tools, power tools and equipment, lifting equipment, threading machines, welding equipment
joining methods include: flanging, threading, grooving, welding, mechanical joints
piping supports include: rollers, hangers, clamps, brackets, stands, anchors, guides
allowances for contraction and expansion include: expansion joints, expansion loops, swing joints
|
Knowledge |
||
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
|
D-11.02.01K |
demonstrate knowledge of the properties of steam |
explain the properties of steam |
|
|
describe the use of steam tables to identify the relationship between pressure and temperature |
|
|
D-11.02.02K |
demonstrate knowledge of high pressure steam and condensate piping, their applications and operation |
explain the applications of high pressure steam and condensate piping |
|
identify types of pipe and piping components for high pressure steam and condensate systems, and describe their purpose and operation |
||
|
interpret information pertaining to high pressure steam and condensate system piping found on drawings and specifications |
||
|
explain the effects of expansion and contraction on piping in high pressure steam and condensate systems |
||
|
identify the considerations for selecting piping components for high pressure steam and condensate systems |
||
|
calculate grade and pitch of piping to ensure system efficiency and functionality |
||
|
D-11.02.03K |
demonstrate knowledge of the procedures used to install piping and piping components for high pressure steam and condensate systems |
describe the procedures used to install piping and piping components for high pressure steam and condensate systems |
|
describe the procedures used to protect and restrain high pressure steam and condensate system piping and piping components |
||
Range of Variables
properties of steam include: pressure, temperature, latent heat, sensible heat, total heat, superheat, volume
applications include: power generation, process, central heating
piping includes: chrome, carbon steel, stainless steel
piping components include: manual and automatic valves, steam traps, expansion joints, strainers, check valves
considerations include: insulation requirements, type of supports, shoes and sleeves, expansion, contraction
protection includes: protection from mechanical damage, seismic activity, environmental conditions
D-11.03 Tests high pressure steam and condensate systems.
Essential Skills
Document Use, Numeracy, Writing
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
|
Skills |
||
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
|
D-11.03.01P |
perform a visual pre-check inspection of system to check for possible obstructions and deficiencies |
punch list is completed to confirm components are installed |
|
D-11.03.02P |
determine type of test, testing equipment and components, and test parameters |
type of test and the test parameters are determined to match system application and requirements according to engineered specifications |
|
D-11.03.03P |
determine test medium to be used for test, and the method of filling, draining or purging the system |
test medium to be used is determined based on type of test selected and method of filling, draining or purging is determined by the medium |
|
D-11.03.04P |
assemble testing equipment and components |
assembled testing equipment allows the test to be completed |
|
D-11.03.05P |
lock out and tag out system |
system components are locked and tagged out to prevent activation during testing |
|
D-11.03.06P |
install isolation components to protect sensitive equipment and ensure the system is in a zero energy state |
isolation components are installed, sensitive equipment is protected from test pressures and confirmation of zero energy state is completed |
|
D-11.03.07P |
install testing equipment and components |
testing equipment and components are connected following the test procedures |
|
D-11.03.08P |
perform test on system to verify the integrity of the system |
test medium is introduced to the system and results of test are recorded for the purpose of obtaining sign-off once there are no defects |
|
D-11.03.09P |
remove test medium from system |
test medium is removed and either recycled or disposed of depending on type of test medium |
|
D-11.03.10P |
remove lock-out and tag-out from components and piping system |
locks and tags are removed |
|
D-11.03.11P |
reinstate system |
isolation components and testing equipment are removed and original components are reinstalled |
|
D-11.03.12P |
complete documentation |
required documents are completed, signed off by the appropriate parties and final copies distributed |
Range of Variables
tests include: hydrostatic and pneumatic
testing equipment and components include:blind flanges, calibrated pressure gauges, test pumps, relief valves, gate valves, recorders, testing trees/headers
test medium includes: water, water/glycol mix
method of filling, draining or purging includes: using pumps, using high pressure water supply hoses
isolation components include: spectacle blinds, spades, plugs and caps, temporary spool pieces
confirmation of zero energy state includes: ensuring necessary valves and drains are open and clear, pressure gauges identify zero energy and equipment is inoperable
appropriate parties include: QA/QC personnel, owner/operator, AHJ
|
Knowledge |
||
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
|
D-11.03.01K |
demonstrate knowledge of testing equipment and components |
identify types of testing equipment and components and describe their characteristics and applications |
|
D-11.03.02K |
demonstrate knowledge of system testing |
identify types of tests and describe their applications |
|
identify test medium used in testing of high pressure steam and condensate systems, and describe their characteristics and applications |
||
|
identify method of filling, draining or purging test medium |
||
|
identify types of isolation components and describe their characteristics and applications |
||
|
interpret information pertaining to high pressure steam and condensate system testing found on drawings and specifications |
||
|
explain the effect of elevation and temperature on pressure when testing high pressure steam and condensate systems |
||
|
explain the effects trapped air in a high pressure steam and condensate system will have on testing and describe the procedures to prevent or correct it |
||
|
D-11.03.03K |
demonstrate knowledge of the procedures used to test high pressure steam and condensate systems |
describe the procedures used to perform system testing |
|
describe the procedures used to remove test medium from system |
||
|
describe the procedures used to reinstate system |
||
Range of Variables
testing equipment and components include:blind flanges, calibrated pressure gauges, test pumps, relief valves, gate valves, recorders, testing trees/headers
tests include: hydrostatic, pneumatic
test medium include: water, water/glycol mix
method of filling, draining or purging includes: using pumps, using high pressure water supply hoses
isolation components include: spectacle blinds, spades, plugs and caps, temporary spool pieces
D-11.04 Maintains, troubleshoots and repairs high pressure steam and condensate systems.
Essential Skills
Oral Communication, Thinking Skills, Document Use
NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
|
Skills |
||
|---|---|---|
|
|
Performance Criteria |
Evidence of Attainment |
|
D-11.04.01P |
determine system issues that require investigation |
system issues requiring investigation are determined by consulting with system owner/operator |
|
D-11.04.02P |
troubleshoot high pressure steam and condensate systems to determine requirements for repair or replacement |
perform testing and inspection of system to determine equipment or components in condition for repair or replacement |
|
D-11.04.03P |
lock out and tag out system being repaired |
system is locked and tagged out to prevent activation during repair |
|
D-11.04.04P |
install isolation components and ensure the system is in a zero energy state |
isolation components are installed and confirmation of zero energy state is completed |
|
D-11.04.05P |
disassemble system, repair or replace the faulty equipment or components and reassemble the system |
required equipment and components are removed, repaired or replaced and reassembled without damage to other components or the surrounding area |
|
D-11.04.06P |
reinstate system to operating condition and verify repair |
system is energized, pressurized, checked for leaks, locks removed and returned to normal operating condition |
|
D-11.04.07P |
document the repairs |
repairs are documented |
|
D-11.04.08P |
lock out and tag out system being maintained |
system is locked and tagged out to prevent activation during maintenance |
|
D-11.04.09P |
isolate equipment or components requiring maintenance |
equipment or components are isolated from the system to allow for completing the required maintenance procedure |
|
D-11.04.10P |
follow a predetermined maintenance schedule and complete required documentation |
maintenance is performed according to the predetermined schedule, equipment is free of contaminants and operating efficiently, and documentation is updated with the required information |
|
D-11.04.11P |
check water quality |
water quality is tested for hardness, acidity, dissolved gases and suspended particulates using a test kit |
|
D-11.04.12P |
treat water in system with chemicals |
system water quality is within required parameters depending on type and application of the system, and based on the results of the water quality test |
|
D-11.04.13P |
remove lock-out and tag-out from components and piping system |
locks and tags are removed |
|
D-11.04.14P |
reinstate system to operating condition after completing maintenance procedures |
system is energized, pressurized, checked for leaks and returned to normal operating condition |
Range of Variables
testing and inspection includes: sensory inspection (visual, auditory, smell and touch), diagnostic testing, monitoring system operation
conditions for repair or replacement include: abnormal temperature, leaks, corrosion, control malfunction, vibration, irregular movement
isolation components include: spectacle blinds, spades, plugs and caps, temporary spool pieces
confirmation of zero energy state includes: ensuring necessary valves and drains are open and clear, pressure gauges identify zero energy and equipment is inoperable
maintenance procedure includes: adding chemicals, lubricating, checking fluids, cleaning components, inspecting equipment and components for wear
required documentation includes: lock-out and tag-out, maintenance log, quality control reports
equipment includes: boilers, expansion tanks, buffer tanks, glycol tanks, heat exchangers, circulating pumps, transfer pumps, holding tanks, isolators, relief valves, chemical feeders, isolation valves for equipment, backflow preventers, pressure reducing valves
|
Knowledge |
||
|---|---|---|
|
|
Learning Outcomes |
Learning Objectives |
|
D-11.04.01K |
demonstrate knowledge of testing equipment and components for troubleshooting high pressure steam and condensate systems |
identify types of testing equipment and components and describe their characteristics and applications |
|
identify types of isolation components and describe their characteristics and applications |
||
|
interpret information pertaining to high pressure steam and condensate system troubleshooting, repair and maintenance found on drawings, specifications and equipment manuals |
||
|
explain the effect of pressure on elevation when troubleshooting high pressure steam and condensate systems |
||
|
D-11.04.02K |
demonstrate knowledge of the procedures used to troubleshoot, repair and maintain high pressure steam and condensate systems |
describe the procedures used to trouble shoot high pressure steam and condensate systems |
|
describe the procedures used to repair high pressure steam and condensate systems |
||
|
describe the procedures used to maintain high pressure steam and condensate systems |
||
|
describe the procedures used to complete documentation following high pressure steam and condensate system repair or maintenance |
||
Range of Variables
testing equipment and components include: multimeter, manometer, infrared thermometer, chemical testing equipment
isolation components include: spectacle blinds, spades, plugs and caps and temporary spool pieces
- Date modified: