6 PLUMBING HOUSE 2012 QUEENS PRINTER FOR ONTARIO 2013 EXERCISE ANSWERS Module 2

6 plumbing house 2012 queens printer for ontario 2013

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A.6 PLUMBING - HOUSE 2012 © QUEEN’S PRINTER FOR ONTARIO 2013 EXERCISE ANSWERSModule 2 QUIZ1. d) Div A, 1.4.1.2.2. c) Definitions3. b) Building Code Act Section 14.-(1)4. a) Division C Subsection 1.3.5.5. b) BCA 7.(2)6. a) 7.6.2.1.(2)7. b) 7.6.2.6.(1)8. d) All of the above9. a)10. c) Div A, 1.4.1.2.
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A.10 PLUMBING - HOUSE 2012 © QUEEN’S PRINTER FOR ONTARIO 2013 EXERCISE ANSWERSExercise 4-3Possible discussion points:some municipalities do not permit service and sanitary piping in the same trenchsome permit storm and sanitary piping together, but require service piping to be separatesome permit service and sanitary piping together if it meets the OBCExercise 4-4Acceptable and Unacceptable Piping Materials for Water Service Piping (Section 7.2.)MaterialsAcceptable (yes/no)StandardCode ReferencePolyethyleneYes – only for water service pipeCAN/CSA B137.17.2.5.5.(2)PEXYesCAN/CSA B137.57.2.5.7.(1)PVCYesCAN/CSA B137.2 or CAN/CSA B137.37.2.5.8.(1)PE /AL/PEYesCAN/CSA B137.97.2.5.13.(1)Cast-iron soil pipeNo-7.2.6.1.(2)Galvanized steelYes – only in industrial occupancyASTM A53/A53M7.2.6.7.(3).Copper— K softYesASTM B887.2.7.4.(1)(a) Table 7.2.7.4.Copper— L softYesASTM B887.2.7.4.(1)(a) Table 7.2.7.4.LeadNo-7.2.7.8.Materials previously used for a purpose other than distribution of potable waterNo-7.2.1.2.(2).
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A.14 PLUMBING - HOUSE 2012 © QUEEN’S PRINTER FOR ONTARIO 2013 EXERCISE ANSWERSExercise 5-2: A Case of Out-of-SitePossible Answers:Inspector should comply with Div. C 1.3.5.3.(1) which requires inspection within 2 days . If not:He could inspect 2nd and 3rd floor and record any findings before a final decision is madeHow familiar is he with the contractor’s work? If familiar may be confident in installation.He could request a air or water test.Exercise 5-3: Nonmetallic Pipe MaterialsAcceptable and Unacceptable Piping Materials for Water Distribution (Subsection 7.2.5.)MaterialsColdHotCode ReferencePolyethylene (PE)YN7.2.5.5.(1)Chlorinated Poly Vinyl Chloride (CPVC)YY7.2.5.9.(1)Cross-linked polyethylene (PEX)YY7.2.5.7.(1)Polypropylene (PP-R)YY7.2.5.15.Acrylonitrile-Butadiene-Styrene (ABS)NN7.2.5.12.PolybutyleneNNNo longer permitted in 7.2.5.
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A.20 PLUMBING - HOUSE 2012 © QUEEN’S PRINTER FOR ONTARIO 2013 EXERCISE ANSWERSMODULE 5 Quiz 1. c) Div A, 1.4.1.2.2. d) Div A, 1.4.1.2.3. a) 7.6.2.9.4. c) 7.2.7.4.(2), Table 7.2.7.4.5. a) 7.6.1.4.6. c) 7.6.3.1.(4) 7. b) 7.6.1.2.(1)8. d) 7.7.3.1.(1), 7.7.3.2.(1)9. b) Div A, 1.4.1.2.10. a) 7.6.1.1.(2)MODULE 6Exercise 6-1Answers in Division A.
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A.24 PLUMBING - HOUSE 2012 © QUEEN’S PRINTER FOR ONTARIO 2013 EXERCISE ANSWERSExercise 6-8Fixtures Served by the Horizontal Drainage PipeHydraulic Load (Fixture units)Minimum Size of Horizontal Pipe (in)Code Reference12 lavatories (1 1/4 in. traps)21 1/4 Table 7.4.10.7.2One water closet (flush tank)437.4.9.2.(1)34 water closets (flush tank)2447.4.9.2.(2)4Two bathroom groups (flush tank)1237.4.9.2.(1) and Table 7.4.10.8.5Building drain with 30 fixture units3047.4.9.4.(1)Exercise 6-92 BATHROOM GROUPS1 KITCHEN SINK (2 COMPARTMENTS) 1 BATHROOM GROUP2 IN. FLOOR DRAIN 2 WATER CLOSETS2 LAVATORIES 3" 3" 3" 3" 3" 4" 4" 3" 4" 3" 2" 112" 2" 3" 2 10 6 11212 Steps 1 and 2: Determine the fixture units and cumulative fixture units.
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