Table of Contents
Task C-8 Installs, tests and services sewers
Task Descriptor
Plumbers install both sanitary and storm sewers. They may be responsible for the sizing of the sewer as well as installing maintenance holes (formerly known as manholes), catch basins and piping. For the purpose of this standard, service includes troubleshooting, diagnosing, maintenance and repairs.
C-8.01 - Plans layout and sizes piping for sewers
C-8.01 - Plans layout and sizes piping for sewers
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| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.01.01P |
identify fixtures and equipment |
fixtures and equipment are identified for hydraulic load according to drawings and specifications |
| C-8.01.02P |
identify roofs and paved surfaces |
roofs and paved surfaces are identified for hydraulic load to be calculated |
| C-8.01.03P |
calculate total hydraulic load of building |
total hydraulic load of building is calculated according to tables in NPC |
| C-8.01.04P |
design piping layout |
piping layout is designed according to codes, specifications, AHJ and site conditions |
| C-8.01.05P |
determine size of sewer piping |
size of sewer piping is determined according to sewer sizing tables in NPC |
| C-8.01.06P |
select piping material |
piping material is selected according to codes, specifications, AHJ and site requirements |
| C-8.01.07P |
identify benchmark |
benchmark is identified to set grade or offset for piping |
| C-8.01.08P |
coordinate work with other tradespeople |
work with other tradespeople is coordinated according to schedule and spacing requirements |
Range of Variables
- fixtures and equipment include: condensate drains, sump pumps, sinks, water closets, lavatories, showers, bathtubs
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.01.01L |
demonstrate knowledge of sanitary drainage systems, their components, characteristics and applications |
identify sanitary drainage systems and their components, and describe their characteristics and applications |
| interpret information pertaining to sanitary drainage systems found on drawings and specifications |
| identify factors to consider when sizing sanitary drainage system components |
| identify sewer sizing tables in NPC |
| C-8.01.02L |
demonstrate knowledge of storm and combination drainage systems, their components, characteristics and applications |
identify storm and combination drainage systems and their components, and describe their characteristics and applications |
| interpret information pertaining to storm and combination drainage systems found on drawings and specifications |
| identify factors to consider when sizing storm and combination drainage system components |
| C-8.01.03L |
demonstrate knowledge of procedures to plan layout and size piping for sewers |
describe procedures to plan layout and size piping for sewers |
| describe safe work practices to size piping for sewers |
| identify procedures to determine hydraulic load on sanitary drainage systems, and storm and combination drainage systems |
| describe procedures to determine and transfer grade and elevation measurements for sanitary drainage systems, and storm and combination drainage systems |
| identify practices that reduce material waste |
| C-8.01.04L |
demonstrate knowledge of regulatory requirements pertaining to sanitary drainage systems, and storm and combination drainage systems |
identify codes, standards and regulations pertaining to sanitary drainage systems |
| identify codes, standards and jurisdictional regulations pertaining to storm and combination drainage systems |
Range of Variables
- sanitary drainage system components include: piping, fixtures, drains, traps, cleanouts, joints and connections, backwater valves, fire stopping, sewage sumps, macerating toilet systems, expansion joints
- factors include: hydraulic load, code requirements, grade
- storm and combination drainage system components include: piping, roof drains, area drains, fire stopping, expansion joints, storm water management devices, backwater valves
- procedures to determine hydraulic load include: conversion factors, code requirements
C-8.02 - Installs maintenance holes and catch basins
C-8.02 - Installs maintenance holes and catch basins
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.02.01P |
locate and size maintenance holes and catch basins |
maintenance holes and catch basins are located and sized according to drawings, codes, AHJ and specifications |
| C-8.02.02P |
select and use tools and equipment |
tools and equipment are selected and used to ensure base is level and stable |
| C-8.02.03P |
channel bottom of maintenance hole |
bottom of maintenance hole is channelled to direct waste |
| C-8.02.04P |
select, lubricate and place gaskets |
gaskets are selected, lubricated and placed to ensure maintenance holes and catch basins are watertight and to avoid damage or reaction between lubricant and gaskets |
| C-8.02.05P |
modify maintenance holes and catch basins for new laterals |
maintenance holes and catch basins are modified for new laterals by making additional penetrations while maintaining structural integrity |
| C-8.02.06P |
seal penetration points |
penetration points are sealed to ensure water tightness |
Range of Variables
- tools and equipment include: tripod, life line, full body harness, oxygen level sensor, levels, compactors, rigging, hoisting and lifting equipment
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.02.01L |
demonstrate knowledge of maintenance holes and catch basins, their components, characteristics and applications |
identify types of maintenance holes and catch basins, and describe their components, characteristics and applications |
| interpret information pertaining to maintenance holes and catch basins found on drawings and specifications |
| identify potential environmental and health impacts involved during installation of maintenance holes and catch basins, and describe associated prevention measures |
| C-8.02.02L |
demonstrate knowledge of procedures to lay out and install maintenance holes and catch basins |
identify tools and equipment used to lay out and install maintenance holes and catch basins, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to maintenance holes and catch basins |
| describe procedures to install maintenance holes and catch basins |
| describe procedures to protect maintenance holes and catch basins |
| describe procedures to determine and transfer grade and elevation measurements for maintenance holes and catch basins |
| identify practices that reduce material waste |
| C-8.02.03L |
demonstrate knowledge of regulatory requirements pertaining to maintenance holes and catch basins |
identify codes, standards and regulations pertaining to maintenance holes and catch basins |
Range of Variables
- tools and equipment include: tripod, life line, full body harness, oxygen level sensor, levels, compactors, rigging, hoisting and lifting equipment
- hazards include: trenching, confined spaces, pinch points, hoists, oxygen quality
- procedures to install include: locating, identifying, excavating, backfilling
- procedures to protect include: insulating, supporting, backfilling
C-8.03 - Installs piping for sewers
C-8.03 - Installs piping for sewers
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| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.03.01P |
grade pipe |
pipe is graded according to codes, specifications and AHJ |
| C-8.03.02P |
verify pipe grade |
pipe grade is verified using tools and equipment |
| C-8.03.03P |
lay out piping, fixtures and equipment |
piping, fixtures and equipment are laid out according to codes, AHJ, drawings, specifications, and site requirements and conditions |
| C-8.03.04P |
select and install cleanouts |
cleanouts are selected and installed according to codes, specifications, AHJ and site requirements |
| C-8.03.05P |
verify that no cross connection is present |
presence of no cross connection is verified between storm and sanitary sewers using methods |
| C-8.03.06P |
compact soil |
soil is compacted using backfill material to ensure stable base and to prevent damage to piping according to codes, specifications and AHJ |
Range of Variables
- tools and equipment include: laser levels, builder’s levels, total stations
- fixtures and equipment include: condensate drains, sump pumps, sinks, water closets, lavatories, showers, bathtubs
- methods include: dye tests, visual inspections
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.03.01L |
demonstrate knowledge of sewers, their components, characteristics and applications |
identify types of sewers, and describe their characteristics and applications |
| identify piping for sewers, and describe their characteristics and applications |
| interpret information pertaining to sewers found on drawings and specifications |
| identify potential environmental and health impacts involved during installation of sewers, and describe associated prevention measures |
| identify materials that can be reconditioned, reused or recycled |
| C-8.03.02L |
demonstrate knowledge of procedures to install piping for sewers |
identify tools and equipment used to install piping for sewers, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to installation of sewers |
| describe procedures to rough‑in piping for sewers |
| describe procedures to install piping for sewers |
| describe procedures to protect piping for sewers according to mechanical specifications |
| describe procedures to grade piping for sewers |
| calculate elevations and inverts for sewers |
| describe procedures to determine and transfer grade and elevation measurements for sewers |
| C-8.03.03L |
demonstrate knowledge of regulatory requirements pertaining to sewers |
identify codes, standards, AHJ and regulations pertaining to sewers |
| C-8.03.04L |
demonstrate knowledge of emerging technologies and practices pertaining to sewers |
identify technologies that contribute to net zero and carbon neutral commitments |
Range of Variables
- types of sewers include: storm, sanitary, combined
- tools and equipment include: laser levels, builder’s levels, total stations
- hazards include: trenching, confined spaces, pinch points, hoists, oxygen quality, biological matter
- procedures to install include: safety considerations (trenching, confined space, points of access), support, protection
- procedures to protect include: insulating, supporting, backfilling
C-8.04 - Tests maintenance holes, catch basins and piping for sewers
C-8.04 - Tests maintenance holes, catch basins and piping for sewers
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.04.01P |
select and use testing equipment |
testing equipment is selected and used to detect faults and to confirm operation of sewer |
| C-8.04.02P |
perform sensory inspection |
sensory inspection is performed to detect plumbing system problems |
| C-8.04.03P |
perform pressure test in sewer |
pressure test in sewer is performed according to codes and AHJ |
| C-8.04.04P |
perform test on maintenance holes and catch basins |
maintenance holes and catch basins are tested using methods to ensure watertight seal according to specifications and AHJ |
Range of Variables
- testing equipment include: ball, inflatable test balls, test plugs, mandrel
- faults include: cracks, corrosion,inadequate flow, leaks
- sensory inspection includes: auditory, visual
- methods include: hydrostatic, smoke and air test, mandrel test
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.04.01L |
demonstrate knowledge of maintenance holes, catch basins and piping for sewers, their characteristics and applications |
identify types of maintenance holes, catch basins and piping for sewers, and describe their characteristics and applications |
| identify potential problems and faults with maintenance holes, catch basins and piping for sewers |
| C-8.04.02L |
demonstrate knowledge of procedures to test maintenance holes, catch basins and piping for sewers |
identify testing equipment used to test maintenance holes, catch basins and piping for sewers, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to testing maintenance holes, catch basins and piping for sewers |
| describe procedures to inspect maintenance holes, catch basins and piping for sewers |
| describe procedures to test and troubleshoot maintenance holes, catch basins and piping for sewers |
| C-8.04.03L |
demonstrate knowledge of regulatory requirements to test maintenance holes, catch basins and piping for sewers |
identify codes, standards and regulations to test maintenance holes, catch basins and piping for sewers |
Range of Variables
- faults include: cracks, corrosion,inadequate flow, leaks
- testing equipment include: ball, inflatable test balls, test plugs, mandrel
- hazards include: confined spaces, heights, oxygen quality
C-8.05 - Services maintenance holes, catch basins and piping for sewers
C-8.05 - Services maintenance holes, catch basins and piping for sewers
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Performance Criteria |
Evidence of Attainment |
| C-8.05.01P |
select and use tools and equipment |
tools and equipment are selected and used according to application |
| C-8.05.02P |
perform scheduled service of systems |
scheduled servicing of system is performed according to type of design and AHJ |
| C-8.05.03P |
verify operation of maintenance holes, catch basins and piping for sewers |
operation of maintenance holes, catch basins and piping for sewers is verified according to AHJ |
| C-8.05.04P |
inspect maintenance holes, catch basins and piping for sewers |
maintenance holes, catch basins and piping for sewers are inspected for conditions requiring service |
| C-8.05.05P |
determine whether components require replacement or repair |
components are determined to be in need of replacement or repair according to industry standards |
| C-8.05.06P |
determine required isolation of system |
isolation of system is determined according to servicing required |
| C-8.05.07P |
notify client of need to isolate and execute isolation |
client is notified and isolation is executed |
| C-8.05.08P |
clean components |
components are cleaned according to AHJ and company policies and procedures to prolong life of system and adequate flow |
| C-8.05.09P |
replace components |
components are replaced according to codes, specifications and AHJ |
| C-8.05.10P |
repair components |
components are repaired according to codes, specifications and AHJ |
| C-8.05.11P |
complete required documentation |
documentation is completed according to AHJ and company policies |
| C-8.05.12P |
return system to service and verify system operation |
system is returned to service and system operation is verified according to system design |
Range of Variables
- conditions requiring service includes: wear, noise, leaks, corrosion
- components include: backwater valves, compression seals, covers, grates, gaskets
- documentation includes: service reports, maintenance reports
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.05.01L |
demonstrate knowledge of maintenance holes, catch basins and piping for sewers, their components, characteristics and applications |
identify types of maintenance holes, catch basins and piping for sewers, and their components, and describe their characteristics and applications |
| interpret information pertaining to maintenance holes, catch basins and piping for sewers found on drawings and specifications |
| identify factors to consider when servicing maintenance holes, catch basins and piping for sewers |
| identify potential environmental and health impacts involved during servicing maintenance holes, catch basins and piping for sewers, and describe associated prevention measures |
| identify materials that can be reconditioned, reused or recycled |
| C-8.05.02L |
demonstrate knowledge of procedures to service maintenance holes, catch basins and piping for sewers |
identify tools and equipment used for servicing maintenance holes, catch basins and piping for sewers, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to maintenance holes, catch basins and piping for sewers |
| describe procedures to replace maintenance holes, catch basins and piping for sewers |
| describe procedures to protect maintenance holes, catch basins and piping for sewers |
| describe procedures to maintain and repair maintenance holes, catch basins and piping for sewers |
| describe procedures to troubleshoot maintenance holes, catch basins and piping for sewers |
| C-8.05.03L |
demonstrate knowledge of regulatory requirements pertaining to maintenance holes, catch basins and piping for sewers |
identify codes, standards and regulations pertaining to maintenance holes, catch basins and piping for sewers |
| C-8.05.04L |
demonstrate knowledge of emerging technologies and practices pertaining to maintenance holes, catch basins and piping for sewers |
identify emerging technologies pertaining to maintenance holes, catch basins and piping for sewers |
Range of Variables
- components include: backwater valves, compression seals, covers, grates, gaskets
- factors to consider when servicing include: specifications, condition of maintenance holes, catch basins and piping for sewers
- hazards include: trenching, confined spaces, pinch points, hoists, oxygen quality, biological matter
- safe work practices include: confined space, point of access, shoring, lock-out procedures
Task C-9 Installs, tests and services sewage treatment systems
Task Descriptor
Sewage treatment systems may encompass holding and septic tanks, absorption fields and sewage treatment plants. Regulations concerning the installation of sewage treatment systems may vary by jurisdiction. This may be considered a specialized area of work and additional certification may be required in some jurisdictions to allow plumbers to plan and install these systems. Plumbers may be required to maintain and repair these systems and must have basic knowledge of how they are planned, installed and operated. For the purpose of this standard, service includes troubleshooting, diagnosing, maintenance and repairs.
C-9.01 - Plans installation of sewage treatment systems
C-9.01 - Plans installation of sewage treatment systems
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| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.01.01P |
determine type of system required |
type of system required is determined by performing percolation tests and by identifying factors according to AHJ |
| C-9.01.02P |
prepare and submit site plan to AHJ |
site plan is prepared and submitted to AHJ in order to obtain permits |
| C-9.01.03P |
select and size private sewage treatment system components |
private sewage treatment system components are selected and sized according to AHJ |
| C-9.01.04P |
determine proper depth of piping and components |
proper depth of piping and componentsare determined according to AHJ |
| C-9.01.05P |
confirm that adequate bedding material is present |
presence of adequate bedding material is confirmed according to type of system and AHJ |
Range of Variables
- factors include: location (system position, clearances, relation to water table, sensitive areas), soil conditions/properties (percolation test, soil test), expected daily volume of sewage
- private sewage treatment system components include: leaching beds, distribution box, septic tank, holding tanks, effluent filter, pumps, alarms, sensors
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.01.01L |
demonstrate knowledge of private sewage treatment systems, their components, characteristics, applications and operation |
identify types of private sewage treatment systems and their components, and describe their characteristics and applications |
| describe operating principles of private sewage treatment systems |
| identify factors to consider when planning and sizing private sewage treatment systems |
| interpret information pertaining to private sewage treatment systems found on drawings and specifications |
| identify potential environmental, biohazard and health impacts involved during installation of private and public sewage treatment systems, and describe associated prevention measures |
| C-9.01.02L |
demonstrate knowledge of procedures to plan installation of private sewage treatment systems |
identify tools and equipment used for installation of private sewage treatment systems, and describe their procedures for use |
| identify hazards and describe safe work practicespertaining to installation of private sewage treatment systems |
| describe procedures to size and plan installation of private sewage treatment system components |
| C-9.01.03L |
demonstrate knowledge of training and certification requirements pertaining to private sewage treatment systems |
identify training and certification requirements pertaining to private sewage treatment systems |
| C-9.01.04L |
demonstrate knowledge of regulatory requirements pertaining to private sewage treatment systems |
identify codes, standards and regulations pertaining to private sewage treatment systems |
| C-9.01.05L |
demonstrate knowledge of public sewage treatment systems, their components, characteristics and applications |
identify types of public sewage treatment systems and their components, and describe their characteristics and applications |
| describe operating principles of public sewage treatment systems |
| interpret information pertaining to public sewage treatment systems found on drawings and specifications |
| C-9.01.06L |
demonstrate knowledge of procedures to plan installation of public sewage treatment systems |
identify tools and equipment used for installation of public sewage treatment systems, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to installation of public sewage treatment systems |
| describe procedures to plan installation of public sewage treatment systems |
| C-9.01.07L |
demonstrate knowledge of training and certification requirements pertaining to public sewage treatment systems |
identify training and certification requirements pertaining to public sewage treatment systems |
| C-9.01.08L |
demonstrate knowledge of regulatory requirements pertaining to public sewage treatment systems |
identify codes, standards and regulations pertaining to public sewage treatment systems |
| C-9.01.09L |
demonstrate knowledge of emerging technologies and practices pertaining to private and public sewage treatment systems |
identify emerging technologies pertaining to private and public sewage treatment systems |
Range of Variables
- private sewage treatment system components include: leaching beds, distribution box, septic tank, holding tanks, effluent filter, pumps, alarms, sensors
- types of private sewage treatment systems include: raised, slope and sand, pumped
- factors include: location (system position, clearances, relation to water table, sensitive areas), soil conditions/properties (percolation test, soil test), expected daily volume of sewage
- hazards include: identifying existing services, equipment depth, soil conditions, trenching, confined spaces, hoists, oxygen quality, heights, biohazard, health, environmental
- public sewage treatment system components include: pumps, septic tanks, absorption fields, alarms, sensors
- types of public sewage treatment systems include:lagoon, plant
C-9.02 - Installs components for sewage treatment systems
C-9.02 - Installs components for sewage treatment systems
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| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to application |
| C-9.02.02P |
determine elevation and position of piping and components |
elevation and position of piping and components are determined according to specifications, AHJand site conditions |
| C-9.02.03P |
install and secure tanks |
tanks are installed and secured according to specifications, AHJ and site conditions |
| C-9.02.04P |
lubricate and place gaskets |
gaskets are lubricated and placed to ensure tanks and components are watertight |
| C-9.02.05P |
assemble, lay out and install piping and components |
piping and components are assembled, laid out and installed according to codes, specifications and AHJ |
Range of Variables
- tools and equipment include: rigging, hoisting and lifting equipment, excavation machinery
- components include: pumps, siphons, filters, ejectors, tanks (septic, holding), controls, distribution box, strainers, lift stations, leaching beds, backwater valves, compression seals, covers, grates, alarms, sensors
- site conditions include: high water table, limiting layer, terrain contour
- gaskets include: rubber O-rings, butyl rubber seals
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.02.01L |
demonstrate knowledge of sewage treatment systems, their components, characteristics, applications and operation |
identify types of sewage treatment systems, and describe their characteristics and applications |
| identify private sewage treatment system components, and describe their characteristics and applications |
| identify public sewage treatment system components, and describe their characteristics and applications |
| describe operating principles of sewage treatment systems and their components |
| interpret information pertaining to sewage treatment systems found on drawings and specifications |
| identify factors to consider when installing sewage treatment system components |
| identify potential environmental and health impacts involved during installation of sewage treatment systems, and describe associated prevention measures |
| identify materials that can be reconditioned, reused or recycled |
| C-9.02.02L |
demonstrate knowledge of procedures to install sewage treatment system components |
identify tools and equipment used to install sewage treatment systems, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to sewage treatment systems |
| describe procedures to install sewage treatment system components |
| describe procedures to protect sewage treatment system components |
| describe procedures to determine grade and elevation for piping and components |
| C-9.02.03L |
demonstrate knowledge of training and certification requirements pertaining to sewage treatment systems |
identify training and certification requirements pertaining to sewage treatment systems |
| C-9.02.04L |
demonstrate knowledge of regulatory requirements pertaining to sewage treatment systems |
identify codes, standards and regulations pertaining to sewage treatment systems |
Range of Variables
- components include: pumps, siphons, filters, ejectors, tanks (septic, holding), controls, distribution box, strainers, lift stations, leaching beds, backwater valves, compression seals, covers, grates, alarms, sensors
- factors include: location (system position, clearances, relation to water table, sensitive areas), soil conditions/properties (percolation test, soil test), expected daily volume of sewage
- tools and equipment include: rigging, hoisting and lifting equipment, excavation machinery
- hazards include: identifying existing services, equipment depth, soil conditions, trenching, confined spaces, hoists, oxygen quality, heights, health, environmental
C-9.03 - Tests sewage treatment systems
C-9.03 - Tests sewage treatment systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.03.01P |
select and use testing equipment |
testing equipment is selected according to specifications and AHJ, and used to detect faults and confirm operation of sewage treatment system |
| C-9.03.02P |
perform systems check to analyze performance |
systems check is performed to analyze performance according to design specifications and AHJ |
| C-9.03.03P |
perform tests |
tests are performed according to specifications and AHJ |
Range of Variables
- testing equipment include: flange blanks, test plugs, sewer camera
- faults include: leaks, inadequate grade, corrosion, malfunctioning alarms and sensors
- tests include: pressure, visual inspection
- specifications include: manufacturers’, job site, contractual requirements
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.03.01L |
demonstrate knowledge of sewage treatment systems, their characteristics, applications and operation |
identify types of sewage treatment systems, and describe their characteristics and applications |
| describe operating principles of sewage treatment systems |
| C-9.03.02L |
demonstrate knowledge of procedures to test sewage treatment systems |
identify testing equipment used to test sewage treatment systems, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to testing sewage treatment systems |
| describe procedures to inspect sewage treatment systems |
| describe procedures to test sewage treatment systems |
| C-9.03.03L |
demonstrate knowledge of training and certification requirements pertaining to sewage treatment systems |
identify training and certification requirements pertaining to sewage treatment systems |
| C-9.03.04L |
demonstrate knowledge of regulatory requirements pertaining to sewage treatment systems |
identify codes, standards and regulations pertaining to sewage treatment systems |
Range of Variables
- testing equipment include: flange blanks, test plugs, sewer camera
- hazards include: confined spaces, hoists, oxygen quality, heights, health, environmental
C-9.04 - Services sewage treatment systems
C-9.04 - Services sewage treatment systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.04.01P |
inspect piping and components |
piping and components are inspected for conditions requiring service |
| C-9.04.02P |
interpret client information |
client information is interpreted to assist in diagnostic process |
| C-9.04.03P |
select and use tools and equipment |
tools and equipment are selected and used according to application |
| C-9.04.04P |
perform scheduled servicing of system |
scheduled servicing of system is performed according to system specifications and AHJ |
| C-9.04.05P |
verify operation of sewage treatment system |
operation of sewage treatment system is verified according to system design |
| C-9.04.06P |
determine whether components require replacement or repair |
components are determined to be in need of replacement or repair |
| C-9.04.07P |
determine required isolation of system |
isolation of system is determined according to service required |
| C-9.04.08P |
notify client of need to isolate and execute isolation |
client is notified and isolation is executed |
| C-9.04.09P |
clean components |
components are cleaned according to maintenance schedule, AHJ and company policies to prolong life of system and adequate flow |
| C-9.04.10P |
replace components |
components are replaced according to specifications and AHJ |
| C-9.04.11P |
repair components |
components are repaired according to specifications and AHJ |
| C-9.04.12P |
complete required documentation |
documentation is completed according to AHJ and company policies |
| C-9.04.13P |
return system to service and verify system operation |
system is returned to service and system operation is verified according to system design |
Range of Variables
- components include: pumps, siphons, filters, ejectors, tanks (septic, holding), controls, distribution box, strainers, lift stations, leaching chambers, backwater valves, compression seals, covers, grates, alarms, sensors
- conditions requiring service include: wear, noise, leaks, corrosion
- documentation includes: service reports, maintenance reports
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.04.01L |
demonstrate knowledge of sewage treatment systems, their components, characteristics, applications and operation |
identify types of sewage treatment systems, and their components and describe their characteristics and applications |
| describe operating principles of sewage treatment systems |
| interpret information pertaining to sewage treatment systems found on drawings and specifications |
| identify factors to consider when servicing sewage treatment systems |
| describe importance of filling out service documentation related to maintenance and repair |
| identify potential environmental and health impacts involved during servicing of sewage treatment systems, and describe associated prevention measures |
| identify materials that can be reconditioned, reused or recycled |
| C-9.04.02L |
demonstrate knowledge of procedures to service sewage treatment systems |
identify tools and equipment used to service sewage treatment systems, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to servicing sewage treatment systems |
| describe procedures to inspect sewage treatment systems and their components |
| describe procedures to replace sewage treatment systems and their components |
| describe procedures to repair sewage treatment systems and their components |
| describe procedures to protect sewage treatment systems and their components |
| describe procedures to maintain sewage treatment systems and their components |
| describe procedures to troubleshoot sewage treatment systems and their components |
| C-9.04.03L |
demonstrate knowledge of regulatory requirements pertaining to sewage treatment systems |
identify codes, standards and regulations pertaining to sewage treatment systems |
Range of Variables
- components include: pumps, siphons, filters, ejectors, tanks (septic, holding), controls, distribution box, strainers, lift stations, leaching chambers, backwater valves, compression seals, covers, grates, alarms, sensors
- factors include: AHJ, maintenance schedule, specifications, condition of sewage treatment system
- documentation includes: service reports, maintenance reports
- hazards include: identifying existing services, equipment depth, soil conditions, trenching, confined spaces, hoists, oxygen quality, heights, health, environmental
Task C-10 Installs, tests and services interior drainage, waste and vent (DWV) systems
Task Descriptor
Plumbers install both underground and above-ground piping and components for DWV systems. Underground systems are defined as piping systems in direct contact with the earth. Embedded components are encased in concrete or other materials. For the purpose of this standard, service includes troubleshooting, diagnosing, maintenance and repairs.
C-10.01 - Plans layout and sizes piping for interior drainage, waste and vent (DWV) systems
C-10.01 - Plans layout and sizes piping for interior drainage, waste and vent (DWV) systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.01.01P |
identify fixtures and equipment |
fixtures and equipment are identified for hydraulic load using drawings and specifications |
| C-10.01.02P |
select piping material |
piping material is selected according to codes, specifications, AHJ and site requirements |
| C-10.01.03P |
design piping layout |
piping layout is designed according to codes, specifications, AHJ and site conditions |
| C-10.01.04P |
coordinate work with other tradespeople |
work with other tradespeople is coordinated according to schedule and spacing requirements |
| C-10.01.05P |
identify roofs and paved surfaces |
roofs and paved surfaces are identified for hydraulic load calculated |
| C-10.01.06P |
calculate total hydraulic load of building |
total hydraulic load of building is calculated according to tables in codes |
| C-10.01.07P |
size sanitary drainage system and associated vent piping |
sanitary drainage system and associated vent piping are sized by calculating total hydraulic load according to codes and AHJ |
| C-10.01.08P |
size storm drainage system |
storm drainage system is sized by calculating total hydraulic load according to codes and AHJ |
Range of Variables
- fixtures and equipment include: condensate drains, sump pumps, sinks, water closets, lavatories, showers, bathtubs
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.01.01L |
demonstrate knowledge of interior DWV systems, their piping arrangements, purposes, characteristics and applications |
identify interior DWV systems and their piping arrangements, and describe their purposes, characteristics and applications |
| identify fixtures and equipment, and describe their characteristics and applications |
| identify storm system components, and describe their characteristics and applications |
| interpret information pertaining to interior DWV systems found on drawings and specifications |
| C-10.01.02L |
demonstrate knowledge of procedures to plan layout and size piping for interior DWV systems |
describe procedures to plan layout of interior DWV systems relating to location of structural penetrations and supports |
| describe safe work practices to size interior DWV systems |
| describe procedures to size piping for interior DWV systems |
| describe procedures to determine hydraulic load on sanitary DWV systems |
| describe procedures to determine hydraulic load on storm systems |
| describe procedures to grade piping for interior DWV systems |
| describe procedures to determine and transfer grade and elevation measurements for interior DWV systems |
| identify practices that reduce material waste |
| C-10.01.03L |
demonstrate knowledge of regulatory requirements pertaining to interior DWV systems |
identify codes, standards and regulations pertaining to interior DWV systems |
| C-10.01.04L |
demonstrate knowledge of emerging technologies and practices pertaining to interior DWV systems |
identify technologies that contribute to net zero and carbon neutral commitments |
|
identify emerging technologies that reduce environmental impacts
|
Range of Variables
- fixtures and equipment include: condensate drains, sump pumps, sinks, water closets, lavatories, showers, bathtubs
- storm system components include: piping, roof drains, area drains, fire stopping, expansion joints
- procedures to determine hydraulic load include: conversion factors, code requirements
C-10.02 - Installs underground piping and components for interior drainage, waste and vent (DWV) systems
C-10.02 - Installs underground piping and components for interior drainage, waste and vent (DWV) systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to application |
| C-10.02.02P |
identify benchmark |
benchmark is identified to set grade or offset for piping |
| C-10.02.03P |
lay out piping and components |
piping and components are laid out according to drawings, codes, specifications, AHJ, and site requirements and conditions |
| C-10.02.04P |
calculate required grade of piping |
required grade of piping is calculated according to codes and AHJ |
| C-10.02.05P |
ensure excavation and compaction of trench |
excavation and compaction of trench is ensured to prevent settling of piping and components |
| C-10.02.06P |
install required pipe and components to proper grade |
required pipe and components are installed to proper grade according to codes and AHJ |
| C-10.02.07P |
determine elevation and set components |
elevation of components is determined and set in relation to finished floor |
| C-10.02.08P |
protect and prepare pipe and components |
pipe and components are protected and prepared for backfill |
| C-10.02.09P |
backfill trench |
trench is backfilled once testing is complete using appropriate material and ensuring adequate protection of piping according to codes and AHJ |
Range of Variables
- tools and equipment include: tampers, jackhammers, levels (laser, builder’s), excavation equipment
- components include: drains, sumps, trap seal primer (TSP), compression seals, cleanouts, pipes, interceptors
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.02.01L |
demonstrate knowledge of interior DWV systems, their components, purposes, characteristics, applications and operation |
identify interior DWV systems and their components, and describe their purposes, characteristics and applications |
| describe operating principles of interior DWV systems |
| interpret information pertaining to interior DWV systems found on drawings and specifications |
| identify methods of backflow protection used in interior DWV systems |
| identify factors to consider when installing interior DWV system components |
| identify potential environmental, biohazard and health impacts involved during installation of interior DWV systems, and describe associated prevention measures |
| identify materials that can be reconditioned, reused or recycled |
| C-10.02.02L |
demonstrate knowledge of procedures to lay out and install underground piping and components for interior DWV systems |
identify tools and equipment used to lay out and install underground piping and components for interior DWV systems, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to installation of underground piping and components for interior DWV systems |
| describe procedures to lay out and install underground piping and components for interior DWV systems |
| describe procedures to protect underground piping and components for interior DWV systems |
| describe procedures to determine and transfer grade and elevation for underground piping and components for interior DWV systems |
| describe procedures to install underground piping and components for interior DWV systems in trenches |
| describe procedures to grade piping for underground interior DWV systems |
| identify practices that reduce material waste |
| C-10.02.03L |
demonstrate knowledge of regulatory requirements pertaining to interior DWV systems |
identify codes, standards and regulations pertaining to interior DWV systems |
Range of Variables
- components include: drains, sumps, trap seal primer (TSP), compression seals, cleanouts, pipes, interceptors
- methods of backflow protection include: backwater valves, gate valves
- factors include: hydraulic load, code requirements
- tools and equipment include: tampers, jackhammers, levels (laser, builder’s), excavation equipment
- hazards include: identifying existing services, equipment depth, soil conditions, trenching, confined spaces, hoists, oxygen quality, chemical fumes from glues, environmental
- procedures to install include: safety considerations, support, protection
C-10.03 - Installs above-ground piping and components for interior drainage, waste and vent (DWV) systems
C-10.03 - Installs above-ground piping and components for interior drainage, waste and vent (DWV) systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to application |
| C-10.03.02P |
select piping material |
piping material is selected according to codes, specifications, AHJ and site requirements |
| C-10.03.03P |
lay out piping and components |
piping and components are laid out according to drawings, codes, specifications, AHJ, and site requirements and conditions |
| C-10.03.04P |
calculate required grade of piping |
required grade of piping is calculated according to codes |
| C-10.03.05P |
install supports and hangers |
supports and hangers are installed according to drawings, codes, specifications and AHJ |
| C-10.03.06P |
prepare and protect piping and components |
piping and components are prepared for testing and protected from site conditions and thermal expansion |
| C-10.03.07P |
install piping and components |
piping and components are installed to grade according to codes, specifications and AHJ |
Range of Variables
- tools and equipment include: torches, tubing cutters, hand and power saws, snap cutters
- components include: drains, trap seal primer (TSP), cleanouts, pipes, interceptors, carriers, roof drains, area drains, fire stopping, expansion joints, wall plates, hangers, supports
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.03.01L |
demonstrate knowledge of interior DWV systems, their components, purposes, characteristics, applications and operation |
identify interior DWV systems and their components, and describe their purposes, characteristics and applications |
| describe operating principles of interior DWV systems |
| interpret information pertaining to interior DWV systems found on drawings and specifications |
| identify methods of backflow protection used in interior DWV systems |
| identify factors to consider when installing interior DWV system components |
| identify types of hangers and supports used to install interior DWV systems |
| identify potential environmental and health impacts involved during installation of interior DWV systems, and describe associated prevention measures |
| identify materials that can be reconditioned, reused or recycled |
| C-10.03.02L |
demonstrate knowledge of procedures to lay out and install above-ground piping and components for interior DWV systems |
identify tools and equipment used to layout and install above-ground piping and components for interior DWV systems, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to interior DWV systems |
| describe procedures to install above-ground piping and components for interior DWV systems |
| describe procedures to install hangers and supports for interior DWV systems |
| describe procedures to protect above-ground piping and components for interior DWV systems |
| describe procedures to determine and transfer grade and elevation for above-ground piping in interior DWV systems |
| describe procedures to grade piping for interior DWV systems |
| identify practices that reduce material waste |
| C-10.03.03L |
demonstrate knowledge of regulatory requirements pertaining to interior DWV systems |
identify codes, standards and regulations pertaining to interior DWV systems |
Range of Variables
- components include: drains, trap seal primer (TSP), cleanouts, pipes, interceptors, carriers, roof drains, area drains, fire stopping, expansion joints, wall plates, hangers, supports
- methods of backflow protection include: backwater valves, gate valves, air breaks
- factors include: hydraulic load, code requirements, AHJ
- tools and equipment include: torches, tubing cutters, hand and power saws, snap cutters
- hazards include: identifying existing services, confined spaces, hoists, oxygen quality, heights, chemical fumes, environmental
C-10.04 - Tests interior drainage, waste and vent (DWV) systems
C-10.04 - Tests interior drainage, waste and vent (DWV) systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.04.01P |
select and use testing equipment |
testing equipment is selected and used to detect faults and confirm operation of interior DWV system |
| C-10.04.02P |
perform systems check to analyze performance |
systems check is performed to analyze performance according to system design and AHJ |
| C-10.04.03P |
perform pressure test |
pressure test is performed according to codes and AHJ |
| C-10.04.04P |
perform final test |
final test is performed using required testing equipment |
Range of Variables
- testing equipment includes: inflatable test balls, mechanical test plugs, gauge, smoke generating machine, compressor, test can
- faults include: leaks, inadequate grade
- pressure tests include: hydrostatic test, pneumatic test
- final tests include: smoke test, 25-mm water column (WC) test
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.04.01L |
demonstrate knowledge of interior DWV systems, their purposes, characteristics, applications and operation |
identify types of interior DWV systems, and describe their purposes, characteristics and applications |
| describe operating principles of interior DWV systems |
| C-10.04.02L |
demonstrate knowledge of procedures used for testing interior DWV systems |
identify testing equipment used to test interior DWV systems, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to interior DWV systems |
| describe procedures to inspect interior DWV systems |
| describe procedures to test interior DWV systems |
| C-10.04.03L |
demonstrate knowledge of regulatory requirements pertaining to interior DWV systems |
identify codes, standards and regulations pertaining to interior DWV systems |
Range of Variables
- testing equipment includes: inflatable test balls, mechanical test plugs, gauge, smoke generating machine, compressor, test can
- hazards include: flooding, confined spaces, hoists, oxygen quality, heights, health, environmental
C-10.05 Services interior drainage, waste and vent (DWV) systems
C-10.05 Services interior drainage, waste and vent (DWV) systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-10.05.01P |
interpret client information |
client information is interpreted to assist in diagnostic process |
| C-10.05.02P |
inspect piping and components |
piping and components are inspected for conditions requiring service |
| C-10.05.03P |
select and use tools and equipment |
tools and equipment are selected and used according to application |
| C-10.05.04P |
perform scheduled servicing of systems |
scheduled servicing of system is performed according to system design and AHJ |
| C-10.05.05P |
verify operation of DWV system |
operation of DWV system is verified according to system design |
| C-10.05.06P |
determine whether pipes and components require replacement or repair |
pipes and components are determined to be in need of replacement or repair |
| C-10.05.07P |
determine required isolation of system |
isolation of system is determined according to service requirements |
| C-10.05.08P |
notify client of need to isolate and execute isolation |
client is notified and isolation is executed |
| C-10.05.09P |
clean pipe and components |
pipe and components are cleaned according to AHJ to prolong life of system and ensure adequate flow |
| C-10.05.10P |
replace pipe and components |
pipe and components are replaced according to specifications |
| C-10.05.11P |
repair pipe and components |
pipe and components are repaired according to specifications |
| C-10.05.12P |
complete required documentation |
documentation is completed according to AHJ, company policies and building authority |
| C-10.05.13P |
return system to service and verify system operation |
system is returned to service and system operation is verified according to system design |
Range of Variables
- components include: fittings, pipe, valves, sewage sumps, sewage lift, interceptors, specialty traps, expansion joints, backwater valves, trap seal primers (TSP)
- conditions requiring service include: wear, noise, leaks, corrosion, blockage, sewer gas
- documentation includes: service reports, maintenance reports
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-10.05.01L |
demonstrate knowledge of interior DWV systems, their components, purposes, characteristics, applications and operation |
identify types of interior DWV systems and their components, and describe their purposes, characteristics and applications |
| describe operating principles of interior DWV systems |
| identify conditions requiring service |
| identify potential environmental and health impacts involved during servicing of interior DWV systems, and describe associated prevention measures |
| identify materials that can be reconditioned, reused or recycled |
| C-10.05.02L |
demonstrate knowledge of procedures to service interior DWV systems |
identify tools and equipment used to service interior DWV systems, and describe their procedures for use |
| identify hazards and describe safe work practices pertaining to interior DWV systems |
| describe procedures to inspect interior DWV systems |
| describe procedures to service interior DWV systems |
| describe procedures and components used to protect interior DWV systems and buildings |
| C-10.05.03L |
demonstrate knowledge of regulatory requirements pertaining to interior DWV systems |
identify codes, standards and regulations pertaining to interior DWV systems |
Range of Variables
- components include: fittings, pipe, valves, sewage sumps, sewage lift, interceptors, specialty traps, expansion joints, backwater valves, trap seal primers (TSP)
- conditions requiring service include: wear, noise, leaks, corrosion, blockage, sewer gas
- hazards include: flooding, identifying existing services, equipment depth, soil conditions, trenching, confined spaces, hoists, oxygen quality, heights, health, environmental
- components used to protect include: expansion joints, wall plates, fire stopping, insulation, thrust blocks