CHI707 - Plumbing Inspection

Outline info
Last revision date 2018-07-16 13:54:54.811
Last review date 2018-07-16 13:54:54.813

Subject Title
Plumbing Inspection

Subject Description
This subject prepares students to inspect, in a residential dwelling, the interior water supply and distribution systems (including fixtures and faucets), as well as water heating equipment and drain/vent/waste systems and their related fixtures.

Credit Status
One credit toward the Home Inspection Certificate Program

Learning Outcomes
Upon successful completion of this subject the student will be able to:

1. Inspect the following to identify type, material, condition, safety concerns and other issues: water supply distribution systems, fixtures and faucets, drain, waste and vent systems, water heating systems and their fuel storage and distribution systems, drainage sumps, sump pumps, sewage ejection pumps and related piping.
2. Identify the common problems that apply to each plumbing component named, as well as the causes and implications of each problem.
3. Describe the inspection procedures involved with each component.
4. Define and use proper terminology related to plumbing.

Cheating and Plagiarism
Each student should be aware of the College's policy regarding Cheating and Plagiarism. Seneca's Academic Policy will be strictly enforced.

To support academic honesty at Seneca College, all work submitted by students may be reviewed for authenticity and originality, utilizing software tools and third party services. Please visit the Academic Honesty site on for further information regarding cheating and plagiarism policies and procedures.

All students and employees have the right to study and work in an environment that is free from discrimination and/or harassment. Language or activities that defeat this objective violate the College Policy on Discrimination/Harassment and shall not be tolerated. Information and assistance are available from the Student Conduct Office at

Accommodation for Students with Disabilities
The College will provide reasonable accommodation to students with disabilities in order to promote academic success. If you require accommodation, contact the Counselling and Disabilities Services Office at ext. 22900 to initiate the process for documenting, assessing and implementing your individual accommodation needs.


Topic Outline
Supply Plumbing

  • Supply plumbing system goals and performance
  • Private water sources
  • Public water service
  • Supply piping distribution system in the house

Water Heaters
  • Fuel supply and viewing systems: gas fired water heaters, oil-fired water heaters, electric water heaters
  • Conventional tank type water heaters
  • High efficiency gas water heaters
  • Combination systems
  • Tankless coils

Drain, Waste and Vent Plumbing
  • Drain piping materials
  • Traps
  • Floor drains
  • Venting systems
  • Sewage ejector pumps
  • Sump pumps
  • Laundry tub pumps

Plumbing Fixtures and Faucets
  • Basins, sinks and laundry tubs
  • Faucets
  • Toilets
  • Bidets
  • Bathtubs
  • Tub and shower stall enclosures
  • Shower stalls
  • Whirlpool baths

Mode of Instruction
Blended mode - classroom and home study 

Online - internet-based delivery. This may involve the use of digital materials and/or a text, group discussions, interaction with your instructor and online activities

Prescribed Texts
The Home Reference Book, Carson, Dunlop & Associates Ltd.,

Plumbing Inspection,  Carson, Dunlop & Associates Ltd.,

Online and classroom students, purchase your text by going to

Reference Material
Recommended Reading

Title: The Illustrated Home
Author: Carson Dunlop
Edition: 4th Edition
ISBN: 978-1-895585-29-2
Title: Technical Reference Guide
Author: CDW Engineering and Carson Dunlop
Edition: 7th Edition
ISBN: 978-1-895585-28-5

Required Supplies

Promotion Policy

Grading Policy
A+ 90%  to  100%
A 80%  to  89%
B+ 75%  to  79%
B 70%  to  74%
C+ 65%  to  69%
C 60%  to  64%
D+ 55%  to  59%
D 50%  to  54%
F 0%    to  49% (Not a Pass)
EXC Excellent
SAT Satisfactory
UNSAT Unsatisfactory

For further information, see a copy of the Academic Policy, available online ( or at Seneca's Registrar's Offices.

Modes of Evaluation
Since this is a professional credit subject, marking standards reinforce professional practice by demanding legible, tidy work. Written assignments should be well organized and grammatically correct, with proper spelling and punctuation. Late assignments are penalized. Please obtain standards, dates and additional information from your instructor. 

You should be aware that absenteeism will almost guarantee your inability to achieve satisfactory grades. Some of the progress tests and quizzes may not be announced in advance and details of assignment requirements may be explained in class. There is no formal provision for make-up tests to replace tests you miss. 

To attain a passing grade for the subject, a student must complete and obtain a passing grade on all combined assignments and tests.  50% is a passing grade. For further information on evaluation and academic standing, see a copy of the Academic Policy. They are available at Seneca Registration offices.  

Grading is based on the following marking scheme:

                   Blended Mode Marking Scheme

Field Exercise/Assignment 20%
Term Tests 40%
Final Exam 40%


                          On-Line Marking Scheme

All Academic policies of the College at which you registered apply. This includes, but is not limited to, policies related to grading, supplemental exams, deferred exams and accommodations.

The final exam must be written at the Test Centre of the College at which you registered. If you are unable to do so, please make alternative arragements through the College at which you registered.

Participation 10%
Case Studies (2) 25%
On-line Mid-Term Test 25%
Final Exam (in person) 40%

Academic Program Manager
Emiliano Introcaso

Approved by: Academic Program Manager Emiliano Introcaso