Major Work Activity C – Installs, Tests And Services Sewers, Sewage Treatment Systems And Drainage, Waste And Vents Systems
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 manholes, catch basins and piping. For the purpose of this standard, service includes troubleshooting, diagnosing, maintenance and repairs.
C-8.01 Sizes pipe for sewers
Essential Skills
Document Use, Numeracy, Thinking
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Performance Criteria |
Evidence of Attainment |
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C-8.01.01P |
identify fixtures and equipment |
fixtures and equipment are identified for hydraulic load using blueprints |
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C-8.01.02P |
identify roofs and paved surfaces |
roofs and paved surfaces are identified for hydraulic load |
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C-8.01.03P |
calculate total hydraulic load of building |
calculations of hydraulic load correspond to appropriate tables contained in the NPC |
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C-8.01.04P |
refer to sewer sizing tables in the NPC |
sewer sizing tables in the NPC are referred to obtain size of sewer pipe |
Range of Variables
fixtures and equipment include: condensate drains, sump pumps, sinks, water closets, lavatory
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-8.01.01L |
demonstrate knowledge of sanitary drainage, storm and combination drainage systems, their components, applications and operation |
interpret codes and regulations pertaining to sanitary drainage systems |
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interpret codes and regulations pertaining to storm and combination drainage systems |
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interpret information pertaining to sanitary drainage, storm and combination drainage systems found on drawings and specifications |
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identify sanitary drainage system components and describe their purpose and applications |
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identify storm and combination drainage system components and describe their purpose and applications |
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identify the factors to consider when sizing sanitary drainage, storm and combination drainage systems components |
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C-8.01.02L |
demonstrate knowledge of the procedures used to determine and transfer grade and elevation measurements for sanitary drainage systems |
identify the procedures used to determine hydraulic load on sanitary drainage, 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
storm and combination drainage system components include: piping, roof drains, area drains, fire stopping, expansion joints, storm water management devices
factors include: hydraulic load, code requirements, grade
procedures include: conversion factors, code requirements
C-8.02 Installs manholes and catch basins
Essential Skills
Document Use, Working with Others, Thinking
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yes |
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-8.02.01P |
locate and size manholes and catch basins |
manholes and catch basins are located and sized according to drawings, NPC, AHJ and specifications |
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C-8.02.02P |
select and use tools and equipment |
tools and equipment are used to ensure base is level and stable |
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C-8.02.03P |
channel bottom of manhole |
bottom of manhole is channeled to direct waste |
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C-8.02.04P |
select, lubricate and place gaskets |
gaskets are selected, lubricated and placed to ensure manholes and catch basins are watertight and to avoid damage or reaction between lubricant and gaskets |
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C-8.02.05P |
modify manholes and catch basins for new laterals |
manholes and catch basins are modified for new laterals by making additional penetrations while maintaining structural integrity |
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C-8.02.06P |
seal penetration points |
penetration points are sealed to ensure water tightness |
Range of Variables
tools and equipment include: levels, compactors and rigging, hoisting and lifting equipment
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-8.02.01L |
demonstrate knowledge of manholes and catch basins, their components, applications and operation |
identify hazards and describe safe work practices pertaining to manholes and catch basins |
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interpret codes and regulations pertaining to manholes and catch basins |
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interpret information pertaining to manholes and catch basins found on drawings and specifications |
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identify tools and equipment relating to manholes and catch basins and describe their applications and procedures for use |
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identify the types of manholes and catch basins and describe their characteristics and applications |
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C-8.02.02L |
demonstrate knowledge of the procedures used to determine and transfer grade and elevation measurements for manholes and catch basins |
identify tools and equipment to determine the grade and elevation |
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C-8.02. 03L |
demonstrate knowledge of the procedures used to lay out and install manholes and catch basins |
describe the procedures used to install manholes and catch basins |
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describe the procedures used to protect manholes and catch basins according to mechanical specifications |
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Range of Variables
hazards include: trenching, confined spaces, pinch points, hoists, oxygen quality
procedures used to install include: locating, identifying, backfilling
procedures used to protect include: insulating, supporting, backfilling
C-8.03 Installs piping for sewers
Essential Skills
Document Use, Thinking, Working with Others
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NB |
QC |
ON |
MB |
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AB |
BC |
NT |
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yes |
yes |
yes |
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yes |
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-8.03.01P |
select piping material |
piping material is selected according to NPC, AHJ, specifications and site requirements |
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C-8.03.02P |
identify benchmark |
benchmark is identified to set grade or offset for piping |
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C-8.03.03P |
lay out piping |
piping is laid out according to NPC, drawings, AHJ, specifications and site requirements and conditions |
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C-8.03.04P |
grade pipe |
pipe is graded according to NPC and AHJ |
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C-8.03.05P |
verify pipe grade |
pipe grade is verified using tools and equipment |
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C-8.03.06P |
select and install cleanouts |
cleanouts are selected and installed according to NPC, AHJ, specifications and site requirements |
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C-8.03.07P |
verify no cross-connection is present |
the presence of no cross-connection is verified between storm and sanitary sewers using various methods |
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C-8.03.08P |
compact soil |
soil is compacted using backfill material to ensure stable base and to prevent damage to piping according to NPC, AHJ and specifications |
Range of Variables
tools and equipment include: laser and builder’s levels
methods include: dye tests, visual inspections
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-8.03.01L |
demonstrate knowledge of sewers, their components, applications and operation |
identify hazards and describe safe work practices pertaining to the installation of sewers |
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interpret codes and regulations pertaining to sewers |
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interpret information pertaining to sewers found on drawings and specifications |
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identify tools and equipment relating to the installation of sewers and describe their applications and procedures for use |
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identify the types of sewers and describe their characteristics and applications |
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identify piping for sewers and describe their purpose and applications |
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C-8.03.02L |
demonstrate knowledge of the procedures used to determine and transfer grade and elevation measurements for sewers |
describe the procedures used to grade piping for sewers |
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calculate elevations and inverts for sewers |
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C-8.03.03L |
demonstrate knowledge of the procedures used to lay out and install piping for sewers |
describe the procedures used to rough-in and install piping for sewers |
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describe the procedures used to install piping for sewers |
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describe the procedures used to protect piping for sewers according to mechanical specifications |
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Range of Variables
hazards include: trenching, confined spaces, pinch points, hoists, oxygen quality
types of sewers include: storm, waste
procedures used to install include: safety considerations (trenching, confined space, points of access), support, protection
procedures used to protect include: insulating, supporting, backfilling, identifying
C-8.04 Tests manholes, catch basins and piping for sewers
Essential Skills
Thinking, Reading, Document Use
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NB |
QC |
ON |
MB |
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BC |
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yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-8.04.01P |
use testing equipment |
testing equipment is used to detect faults and to confirm operation meets design specifications |
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C-8.04.02P |
perform sensory inspection |
sensory inspection is performed to detect plumbing system problems |
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C-8.04.03P |
perform pressure test |
pressure test is performed according to NPC and AHJ |
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C-8.04.04P |
perform test on manholes and catch basins |
manholes and catch basins are tested by using methods to ensure watertight seal according to AHJ and specifications |
Range of Variables
testing equipment include: balloons, inflatable test balls, test plugs, mandrel
faults include: cracks, corrosion, inadequate flow
sensory inspection includes: auditory, visual
methods include: hydrostatic, smoke and air testing, mandrel test
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-8.04.01L |
demonstrate knowledge of manholes, catch basins and piping for sewers and their application |
identify types of manholes, catch basins and piping for sewers and describe their characteristics and applications |
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C-8.04.02L |
demonstrate knowledge of procedures used for testing manholes, catch basins and piping for sewers |
describe the procedures used to test and troubleshoot manholes, catch basins and piping for sewers |
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identify testing equipment for manholes, catch basins and piping for sewers |
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identify potential problems and faults with manholes, catch basins and piping for sewers |
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Range of Variables
testing equipment include: balloons, inflatable test balls, test plugs, mandrel
faults include: cracks, corrosion, inadequate flow
C-8.05 Services manholes, catch basins and piping for sewers
Essential Skills
Writing, Document Use, Reading
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NB |
QC |
ON |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
yes |
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NV |
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-8.05.01P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
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C-8.05.02P |
perform scheduled maintenance of systems |
scheduled maintenance of system is performed according to type of design and AHJ |
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C-8.05.03P |
verify operation of manholes, catch basins and piping for sewers |
operation of manholes, catch basins and piping for sewers is verified according to AHJ |
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C-8.05.04P |
inspect manholes, catch basins and piping for sewers |
manholes, catch basins and piping for sewers are inspected for conditions requiring maintenance |
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C-8.05.05P |
determine whether components require replacement or repair |
components are determined to be in need of repair or replacement according to industry standard |
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C-8.05.06P |
determine required isolation of system |
isolation of system is determined according to required maintenance |
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C-8.05.07P |
notify system owner of need to isolate and execute isolation |
owner is notified and isolation is executed |
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C-8.05.08P |
clean components |
components are cleaned to prolong life of system and adequate flow |
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C-8.05.09P |
replace components |
components are replaced according to manufacturers’ specifications |
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C-8.05.10P |
repair components |
components are repaired according to manufacturers’ specifications |
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C-8.05.11P |
complete required documentation |
documentation is completed according to AHJ and company policies |
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C-8.05.12P |
return system to service and verify system operation |
system is returned to service and system operation is verified to meet design specifications |
Range of Variables
conditions requiring maintenance includes: wear, noise, leaks, corrosion
components include: backwater values, leak seals, covers, grates
documentation includes: service reports, maintenance reports
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-8.05.01L |
demonstrate knowledge of manholes, catch basins and piping for sewers, their components, applications and operation |
identify hazards and describe safe work practices pertaining manholes, catch basins and piping for sewers |
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interpret codes and regulations pertaining to manholes, catch basins and piping for sewers |
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interpret information pertaining to manholes, catch basins and piping for sewers found on drawings and specifications |
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identify tools and equipment relating for servicing manholes, catch basins and piping for sewers and describe their applications and procedures for use |
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identify the types of manholes, catch basins and piping for sewers, and their components and describe their characteristics and applications |
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identify the factors to consider when servicing manholes, catch basins and piping for sewers |
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C-8.05.02L |
demonstrate knowledge of the procedures used to repair and troubleshoot manholes, catch basins and piping for sewers |
describe the procedures used to replace manholes, catch basins and piping for sewers |
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describe the procedures used to protect manholes, catch basins and piping for sewers |
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describe the procedures used to maintain and repair manholes, catch basins and piping for sewers |
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describe the procedures used to troubleshoot manholes, catch basins and piping for sewers |
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Range of Variables
safe work practices include: confined space, point of access, shoring
factors include: manufacturers’ specifications, condition of manholes, catch basins and piping for sewers
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. 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
Essential Skills
Thinking, Document Use, Oral Communication
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-9.01.01P |
determine type of system required |
type of required system is determined by performing percolation tests and by identifying factors |
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C-9.01.02P |
prepare and submit a site plan to AHJ |
site plan is prepared and submitted to AHJ in order to obtain permits |
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C-9.01.03P |
select and size sewage treatment system components |
sewage treatment system components are selected and sized according to AHJ |
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C-9.01.04P |
determine proper depth of piping and components |
proper depth of piping and components are determined according to AHJ |
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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: soil conditions, available space for system, expected daily volume of sewage
sewage treatment system components include: pumps, septic tanks, absorption fields
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-9.01.01L |
demonstrate knowledge of private sewage treatment systems, their components, applications and operation |
identify hazards and describe safe work practices pertaining to private sewage treatment systems |
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interpret codes and regulations pertaining to private sewage treatment systems |
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interpret information pertaining to private sewage treatment systems found on drawings and specifications |
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identify tools and equipment relating to private sewage treatment systems and describe their applications and procedures for use |
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identify types of private sewage treatment systems and describe their characteristics and applications |
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identify private sewage treatment system components and describe their purpose and applications |
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identify the factors to consider when planning private sewage treatment systems |
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identify the factors to consider when sizing private sewage treatment system components |
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describe the procedures used to size private sewage treatment system components |
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C-9.01.02L |
demonstrate knowledge of public sewage treatment systems, their components, applications and operation |
describe the types and operation of public sewage treatment facilities |
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identify hazards and describe safe work practices pertaining to public sewage treatment systems |
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interpret codes and regulations pertaining to public sewage treatment systems |
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interpret information pertaining to public sewage treatment systems found on drawings and specifications |
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identify tools and equipment relating to public sewage treatment systems and describe their applications and procedures for use |
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Range of Variables
hazards include: health hazards, environmental hazards
types of private sewage treatment systems include: raised, slope and sand, pumped,
private sewage treatment system components include: leaching chambers, distribution box, septic tank, holding tanks, effluent filter
factors include: location (system position, clearances, relation to water table, sensitive areas), soil conditions/properties (percolation test, soil test)
public sewage treatment facilities include: lagoon, plant
C-9.02 Installs sewage treatment system components
Essential Skills
Document Use, Thinking, Working with Others, Continuous Learning
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NB |
QC |
ON |
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BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
no |
no |
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NV |
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-9.02.01P |
select and use tools and equipment |
tools and equipment are selected according to applications |
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C-9.02.02P |
determine elevation and position of piping and components |
elevation and position of piping and components are determined according to site conditions |
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C-9.02.03P |
install and secure tanks |
tanks are installed and secured according to AHJ, specifications and site conditions |
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C-9.02.04P |
lubricate and place gaskets |
gaskets are lubricated and placed to ensure tanks and components are watertight |
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C-9.02.05P |
assemble, place and install pipe and components |
pipe and components are assembled, placed and installed to specified grade in NPC and AHJ |
Range of Variables
tools and equipment include: rigging, hoisting and lifting, excavation
piping and components include: pumps and siphons, filters, ejectors, tanks, controls
site conditions include: high water table, limiting layer
gaskets include: rubber O-rings and butyl rubber seals
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
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C-9.02.01L |
demonstrate knowledge of sewage treatment systems, their components, applications and operation |
identify hazards and describe safe work practices pertaining to sewage treatment systems |
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interpret codes and regulations pertaining to sewage treatment systems |
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interpret information pertaining to sewage treatment systems found on drawings and specifications |
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identify tools and equipment relating to sewage treatment systems and describe their applications and procedures for use |
||
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identify types of sewage treatment systems and describe their characteristics and applications |
||
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identify private sewage treatment system components and describe their purpose and applications |
||
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identify public sewage treatment system components and describe their purpose and applications |
||
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identify the factors to consider when planning and installing sewage treatment systems |
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C-9.02.02L |
demonstrate knowledge of the procedures used to install sewage treatment systems |
describe the procedures used to install sewage treatment systems |
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describe the procedures used to protect sewage treatment systems |
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describe the procedures used to determine grade and elevation for piping and components |
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Range of Variables
hazards include: health hazards, environmental hazards
private sewage treatment system components include: leaching chambers, distribution box, septic tank, holding tanks, effluent filter
public sewage treatment system components include: pumps, strainers, lift stations
factors include: location (system position, clearances, relation to water table, sensitive areas), soil conditions/properties (percolation test, soil test)
C-9.03 Tests sewage treatment systems and components
Essential Skills
Thinking, Document Use, Reading
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NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
no |
no |
NV |
NV |
NV |
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Skills |
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|---|---|---|
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Performance Criteria |
Evidence of Attainment |
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C-9.03.01P |
use testing equipment |
testing equipment is used to detect faults |
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C-9.03.02P |
perform systems check to analyze performance |
systems check is performed to analyze performance according to design specifications |
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C-9.03.03P |
perform pressure test |
pressure test is performed according to NPC and AHJ |
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C-9.03.04P |
perform sensory inspection |
sensory inspection is performed to detect sewage treatment system problems |
Range of Variables
testing equipment include: balloons, inflatable test balls, test plugs, mandrels
faults include: leaks, inadequate grade, corrosion
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
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C-9.03.01L |
demonstrate knowledge of sewage treatment systems and their application |
identify types of sewage treatment systems and describe their characteristics and applications |
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identify hazards and describe safe work practices pertaining to sewage treatment systems |
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C-9.03.02L |
demonstrate knowledge of testing equipment and procedures used for testing sewage treatment systems |
describe the procedures used to test sewage treatment systems |
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identify sewage treatment systems testing equipment |
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Range of Variables
testing equipment include: balloons, inflatable test balls, test plugs, mandrels
C-9.04 Services sewage treatment systems and components
Essential Skills
Thinking, Document Use, Writing
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PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
NV |
yes |
yes |
yes |
yes |
no |
NV |
NV |
NV |
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Skills |
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|---|---|---|
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Performance Criteria |
Evidence of Attainment |
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C-9.04.01P |
inspect equipment |
equipment is inspected for conditions that require repair |
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C-9.04.02P |
interpret client’s information |
client’s information is interpreted to assist in the diagnostic process |
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C-9.04.03P |
perform sensory inspection |
sensory inspection is performed to detect sewage treatment system for conditions requiring service |
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C-9.04.04P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
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C-9.04.05P |
perform scheduled servicing of systems |
scheduled servicing of system is performed according to system specifications and AHJ |
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C-9.04.06P |
verify operation of sewage treatment system |
operation of sewage treatment system is verified according to system design |
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C-9.04.07P |
determine whether components require replacement or repair |
components are determined to be in need of repair or replacement according to industry standard |
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C-9.04.08P |
determine required isolation of system |
isolation of system is determined according to service required |
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C-9.04.09P |
notify system owner of need to isolate and execute isolation |
owner is notified and isolation is executed |
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C-9.04.10P |
clean components |
components are cleaned to prolong life of system and adequate flow |
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C-9.04.11P |
replace components |
components are replaced according to manufacturers’ specifications |
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C-9.04.12P |
repair components |
components are repaired according to manufacturers’ specifications |
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C-9.04.13P |
complete required documentation |
documentation is completed according to AHJ and company policies |
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C-9.04.14P |
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 repair includes: wear, noise, leaks, corrosion
documentation includes: service reports, maintenance reports
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Knowledge |
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|---|---|---|
|
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Learning Outcomes |
Learning Objectives |
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C-9.04.01L |
demonstrate knowledge of sewage treatment system, their components, applications and operation |
identify hazards and describe safe work practices pertaining sewage treatment system |
|
interpret codes and regulations pertaining to sewage treatment system |
||
|
interpret information pertaining to sewage treatment system found on drawings and specifications |
||
|
identify tools and equipment related to servicing sewage treatment system and describe their applications and procedures for use |
||
|
identify types of sewage treatment system, and their components and describe their characteristics and applications |
||
|
identify the factors to consider when servicing sewage treatment system |
||
|
C-9.04.02L |
demonstrate knowledge of the procedures used to maintain, repair and troubleshoot sewage treatment system |
describe the procedures used to replace sewage treatment system and/or components |
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describe the procedures used to protect sewage treatment system |
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describe the procedures used to maintain and repair sewage treatment system and components |
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describe the procedures used to troubleshoot sewage treatment system and components |
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describe the importance of filling out service documentation related to maintenance and repair |
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Range of Variables
components include: backwater values, leak seals, covers, grates
hazards include: health hazards, environmental hazards, access, confined space
factors include: manufacturers’ specifications, condition of sewage treatment system
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 maintain, troubleshoot and repair.
C-10.01 Sizes pipe for interior drainage, waste and vent (DWV) systems
Essential Skills
Numeracy, Document Use, Thinking
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Performance Criteria |
Evidence of Attainment |
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C-10.01.01P |
identify fixtures and equipment |
fixtures and equipment are identified for hydraulic load using blueprint |
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C-10.01.02P |
identify roofs and paved surfaces |
roofs and paved surfaces are identified for hydraulic load |
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C-10.01.03P |
calculate total hydraulic load of building |
calculations of hydraulic load correspond to tables contained in the NPC |
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C-10.01.04P |
size sanitary drainage system and associated vent piping |
sanitary drainage system and associated vent piping are sized by calculating total hydraulic load according to NPC and AHJ |
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C-10.01.05P |
size storm drainage system and associated vent piping |
storm system are sized by calculating total hydraulic load according to NPC and AHJ |
Range of Variables
fixtures and equipment include: condensate drains, sump pumps, sinks, water closets, lavatory
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-10.01.01L |
demonstrate knowledge of DWV systems, their components, applications and operation |
identify hazards and describe safe work practices pertaining to DWV systems |
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interpret codes and regulations pertaining to DWV systems |
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interpret information pertaining to DWV systems found on drawings and specifications |
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explain the purpose of DWV systems |
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identify the types of DWV systems and describe their characteristics and applications |
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identify storm system components and describe their purpose and applications |
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C-10.01.02L |
demonstrate knowledge of the procedures used to determine and transfer grade and elevation measurements for DWV systems |
describe the procedures used to determine hydraulic load on sanitary DWV systems |
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describe the procedures used to determine hydraulic load on storm systems |
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describe the procedures used to grade piping for DWV systems |
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Range of Variables
storm system components include: piping, roof drains, area drains, fire stopping, expansion joints
procedures include: conversion factors, code requirements
C-10.02 Installs underground piping and components for interior drainage, waste and vent (DWV) systems
Essential Skills
Document Use, Numeracy, Thinking
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-10.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
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C-10.02.02P |
select piping material |
piping material is selected according to NPC, AHJ, specifications and site requirements |
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C-10.02.03P |
identify benchmark |
benchmark is identified to set grade or offset for piping |
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C-10.02.04P |
lay out piping and components |
piping and components are laid out according to NPC, drawings, AHJ, specifications and site requirements and conditions |
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C-10.02.05P |
calculate required grade of piping |
required grade of piping is calculated according to NPC and AHJ |
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C-10.02.06P |
ensure excavation and compaction of trench |
excavation and compaction of trench is ensured to prevent settling of piping and components |
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C-10.02.07P |
install required pipe and components to proper grade |
required pipe and components are installed to proper grade according to NPC and AHJ |
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C-10.02.08P |
determine elevation and set embedded components |
elevation of embedded components are determined and set in relation to finished floor |
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C-10.02.09P |
protect and prepare pipe and components |
pipe and components are protected and prepared for backfill |
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C-10.02.10P |
backfill trench |
trench is backfilled once testing is complete using appropriate material and ensuring adequate protection of piping according to NPC and AHJ |
Range of Variables
tools and equipment include: tampers, jackhammers, levels, excavation equipment
embedded components include: drains, sumps, trap seal primer (TSP), cleanouts, pipes, interceptors
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-10.02.01L |
demonstrate knowledge of DWV systems, applications and operation |
identify hazards and describe safe work practices pertaining to DWV systems |
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interpret codes and regulations pertaining to DWV systems |
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interpret information pertaining to DWV systems found on drawings and specifications |
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explain the purpose and functionality of DWV systems |
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identify the methods of backflow protection used in DWV systems |
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identify the types of DWV systems and describe their characteristics and applications |
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C-10.02.02L |
demonstrate knowledge of the procedures used to determine and transfer grade and elevation measurements for DWV systems |
determine and transfer grade and elevation for piping in DWV systems |
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describe the procedures used to install DWV systems in trenches |
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describe the procedures used to grade piping for DWV systems |
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C-10.02.03L |
demonstrate knowledge of the procedures used to layout and install DWV systems |
describe the procedures used to install DWV systems |
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identify the factors to consider when installing DWV systems components |
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describe the procedures used to protect DWV systems |
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Range of Variables
methods of backflow protection include: backwater valves and gate valves
procedures used to install include: safety considerations, support, protection
factors include: hydraulic load, code requirements
C-10.03 Installs piping and components for interior drainage, waste and vent (DWV) systems above-ground
Psychomotor Taxonomy
Complex
Essential Skills
Document Use, Thinking, Numeracy
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-10.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to applications |
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C-10.03.02P |
select piping material |
piping material is selected according to NPC, AHJ, specifications and site requirements |
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C-10.03.03P |
lay out piping and components |
piping and components are laid out according to NPC, drawings, AHJ, specifications and site requirements and conditions |
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C-10.03.04P |
calculate required grade of piping |
required grade of piping is calculated according to NPC |
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C-10.03.05P |
install supports and hangers |
supports and hangers are installed according to NPC and specifications |
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C-10.03.06P |
install required pipe and components |
required pipe and components are installed to grade according to NPC and specifications |
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C-10.03.07P |
prepare and protect pipe and components |
pipe and components are prepared for testing and protected from site conditions and thermal expansion |
Range of Variables
tools and equipment include: torches, tubing cutters, hand and power saws
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-10.03.01L |
demonstrate knowledge of DWV systems, applications and operation |
identify hazards and describe safe work practices pertaining to DWV systems |
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interpret codes and regulations pertaining to DWV systems |
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interpret information pertaining to DWV systems found on drawings and specifications |
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identify tools and equipment relating to DWV systems and describe their applications and procedures for use |
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explain the purpose and functionality of DWV systems |
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identify the methods of backflow protection used in DWV systems |
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identify the types of DWV systems and describe their characteristics and applications |
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C-10.03.02L |
demonstrate knowledge of the procedures used to determine and transfer grade and elevation measurements for DWV systems |
identify the factors to consider when installing DWV systems components |
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determine and transfer grade and elevation for piping in DWV systems |
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describe the procedures used to grade piping for DWV systems |
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C-10.03.03L |
demonstrate knowledge of the procedures used to layout and install DWV systems |
identify types of hangers and supports used to install DWV systems |
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describe the procedures used to install DWV systems and hangers and supports |
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describe the procedures used to protect DWV systems |
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Range of Variables
methods of backflow protection include: backwater valves, gate valves
factors include: hydraulic load, code requirements
C-10.04 Tests interior drainage, waste and vent (DWV) systems
Essential Skills
Document Use, Thinking, Oral Communication
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-10.04.01P |
use testing equipment |
testing equipment is used to detect faults and verify operation |
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C-10.04.02P |
perform systems check to analyze performance |
systems check is performed to analyze performance according to system design and AHJ |
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C-10.04.03P |
perform pressure test |
pressure test is performed according to NPC and AHJ |
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C-10.04.04P |
perform sensory inspection |
sensory inspection is performed to detect DWV system problems |
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C-10.04.05P |
perform final test |
final test is performed using required testing equipment |
Range of Variables
testing equipment include: inflatable test balls, mechanical test plugs, gauge, smoke generating machine
faults include: leaks, inadequate grade
final tests include: smoke test, ball test, hydrostatic test, pneumatic test
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-10.04.01L |
demonstrate knowledge of interior DWV systems and their application |
identify types of interior DWV systems and describe their characteristics and applications |
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identify hazards and describe safe work practices pertaining to DWV systems |
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C-10.04.02L |
demonstrate knowledge of testing equipment and procedures used for testing interior DWV systems |
describe the procedures used to test interior DWV systems |
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identify interior DWV system testing equipment |
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Range of Variables
testing equipment include: inflatable test balls, mechanical test plugs, gauge, smoke generating machine
C-10.05 Services piping and components for interior drainage, waste and vent (DWV) systems
Essential Skills
Continuous Learning, Thinking, Oral Communication
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yes |
yes |
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yes |
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yes |
yes |
yes |
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yes |
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-10.05.01P |
interpret client’s information |
client’s information is interpreted to assist in the diagnostic process |
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C-10.05.02P |
inspect piping and components |
piping and components are inspected for conditions that require service |
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C-10.05.03P |
perform sensory inspection |
sensory inspection is performed to detect DWV system for conditions requiring service |
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C-10.05.04P |
select and use tools and equipment |
tools and equipment are selected and used to service DWV systems |
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C-10.05.05P |
perform scheduled servicing of systems |
scheduled servicing of system is performed according to system design and AHJ |
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C-10.05.06P |
verify operation of DWV system |
operation of DWV system is verified according to system design |
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C-10.05.07P |
determine whether pipes or components require replacement or repair |
pipes or components are determined to be in need of repair or replacement according to industry standard |
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C-10.05.08P |
determine required isolation of system |
isolation of system is determined according to service requirements |
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C-10.05.09P |
notify system owner of need to isolate and execute isolation |
owner is notified and isolation is executed |
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C-10.05.10P |
clean pipe and components |
pipe and components are cleaned to prolong life of system and ensure adequate flow |
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C-10.05.11P |
replace pipe and components |
pipe and components are replaced according to manufacturers’ specifications |
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C-10.05.12P |
repair pipe and components |
pipe and components are repaired according to manufacturers’ specifications |
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C-10.05.13P |
complete required documentation |
documentation is completed according to AHJ and company policies |
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C-10.05.14P |
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, wall plates, fire stopping, insulation
conditions requiring service includes: wear, noise, leaks, corrosion, blockage
documentation includes: service reports, maintenance reports
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Knowledge |
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|---|---|---|
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Learning Outcomes |
Learning Objectives |
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C-10.05.01L |
demonstrate knowledge of interior drainage, waste and vent (DWV) system equipment and components, their applications and operation |
identify types of interior DWV systems and describe their characteristics and applications |
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identify tools and equipment relating to interior DWV systems and describe their applications and procedures for use |
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identify interior DWV system equipment and components and describe their purpose, operation and applications |
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C-10.05.02L |
demonstrate knowledge of the procedures used to service interior DWV systems |
interpret codes and regulations pertaining to interior DWV systems |
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describe the procedures used to service interior DWV system components |
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describe the procedures and components used to protect interior DWV systems and buildings |
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Range of Variables
equipment and components include: sewage sumps, sewage lift, interceptors, specialty traps
component used to protect include: expansion joints, wall plates, fire stopping, insulation
- Date modified: