IRC Plumbing- Exam Questions with Verified Solutions Latest Version () Rated A+

IRC Plumbing- Exam Questions with Verified Solutions Latest Version () Rated A+ IRC Chapter 25 - Answers Plumbing Administration IRC Chapter 26 - Answers General Plumbing Requirements IRC Chapter 27 - Answers Plumbing Fixtures IRC Chapter 28 - Answers Water Heaters IRC Chapter 29 - Answers Water Supply and Distrobution IRC Chapter 30 - Answers Sanitary Drainage IRC Chapter 31 - Answers Vents IRC Chapter 32 - Answers Traps IRC Chapter 33 - Answers Storm Drainage Existing building sewers that will serve a new system shall be _______________ ____________ to verify that the piping is _______ in the correct direction, is not ______, is not _______ and is _____ for the drainage load of the new plumbing drainage to be installed. - Answers Internally Examined Sloping Broken Obstructed Sized Concealment of plumbing and drainage systems - Answers P2503.2 A plumbing or drainage system, or part thereof, shall not be covered, concealed or put into use until it has been tested, inspected and approved by the building code occicial. Inspection and Testing: IRC Section - Answers Section 2503 Building Sewer Testing: IRC Chapter - Answers Chapter 25 2503.4 What does DWV stand for? - Answers Drain, Waste, Vent DWV water test: Each section shall be filled with water to a point not less than _ ____ above the highest fitting connection in that section. Water shall be held in the section under test for a period of __ minutes. - Answers 5 feet 15 Finished Plumbing Testing: IRC Chapter - Answers 25 Building Sewer Testing: The building sewer shall be tested by insertion of a test plug at the point of connection with the public sewer, filling the building sewer with water and pressurizing the sewer to not less than __ foot of head water. The test pressure shall not decrease during a period of not less than __ Minutes. - Answers 10 15 Finished Plumbing Water Test Procedure: After the plumbing fixtures have been set and their traps filled with water, their connections shall be tested and proved gas tight or water tight as follows: - Answers Each fixture shall be filled and then drained. Traps and fixture connections shall be proven water-tight by visual inspection. Shower Liner Test: IRC Chapter - Answers Chapter 25 Section 2503.6 Shower liner test procedure - Answers 1. The pipe from the shower drain shall be plugged water tight. 2. The floor and receptor is filled to a depth of 2 inches. 3. Water shall be retained for a test period of 15 minutes with no evidence of leakage. Water Supply System Testing: IRC Chapter - Answers Chapter 25 Section 2503.7 Water Supply System Testing Procedure: - Answers Upon completion of the water supply system or a section of it shall be tested and proved tight under a water pressure of not less than the working pressure of the system. Drilling and Notching: IRC Chapter - Answers Chapter 26 Section 2603 Protection against physical damage: IRC Chapter - Answers Chapter 26 Section 2603.2.1 Pipes shall be protected by steel shield plates if it is installed through holes or notches in studs, joists, rafters or similar members less than _____ inches from the nearest edge of the member. - Answers 1 1/4 inches Steel plates used for protection against physical damage shall have a thickness of not less than _____. - Answers 16 gauge Steel plates used for protection against physical damage: Steel plates shall cover the area of the pipe where the member is notched or bored and shall extend not less than __ inches above sole plates and below top plates. - Answers 2 inches Freezing: In localities having a winter design temperature of 32 degrees or lower as shown in IRC Table ___________ of the code, a water, soil or waste pipe shall not be installed outside of a building, in exterior walls, in attics or crawl spaces, or in any other place subjected to freezing temperature unless adequate provisions is made to protect it from freezing by insulation, heating or both. - Answers IRC Table R301.2(1) Freezing: Water service pipe shall be installed not less than ___ inches deep and not less than ___ inches below the frost line. - Answers 12 inches 6 inches Trenching and Backfilling: IRC Chapter - Answers Chapter 26 Section 2604 During trenching, Rocky or unstable soil shall be over excavated by ___ or more pipe diameters and brought to the proper grade with suitable compacted granular material. - Answers 2 or more pipe diameters Where the water service piping and building sewer piping is installed in the same trench, the installation shall be in accordance with IRC Section ____________. - Answers IRC Section P2906.4.1 Backfill shall be free from discarded construction materials and debris until pipe is covered with not less than ___ inches of tamped earth. - Answers 12 inches. Backfill shall be placed evenly on both sides of the pipe and tamped to retain proper alignment. Loose earth shall be carefully placed in the trench in ___ inch layers and tamped into place - Answers 6 inches Piping Support: IRC Chapter - Answers Chapter 26 Section 2605 Penetrations: IRC Chapter - Answers Chapter 26 Section 2606 Waterproofing of openings: IRC Chapter - Answers Chapter 26 Section 2607 Pipes penetrating roofs: IRC Chapter - Answers Chapter 26 Section 2607.1 Piping Support: IRC Table - Answers Table P2605.1 Workmanship: IRC Chapter - Answers Chapter 26 Section 2608 Materials evaluation and Listing: IRC Chapter - Answers Chapter 26 Section 2609 Identification: IRC Chapter - Answers Chapter 26 Section 2609.1 Material and devices utilized in a plumbing system shall bear the identification of the _______________ and any markings required by the applicable referenced _________ - Answers Manufacturer Code Third party certification: IRC Chapter - Answers Chapter 26 Section 2609.4 Plumbing products and materials required by the code to be in compliance with a referenced standard shall be listed by: - Answers A third party cerification agency Water service pipes, water distribution pipes and the necessary connecting pipes, fittings, control valves, faucets and appurtenances used to dispense water intended for human ingestion shall be evaluated and listed as conforming to the requirements of - Answers NSF 61 Plumbing Fixtures, Faucets and Fixture Fittings Materials and Standards: IRC Table - Answers Table 2701.1 Plumbing fixtures other than water closets shall be provided with approved ___________. - Answers Strainers Fixture Accessories: IRC Chapter - Answers Chapter 27 Section 2702