Plumbing - NOCTI Business Solutions

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Entry Level Assessment Blueprint Plumbing Test Code: 4061 / Version: 01

Plumbing Specific Competencies and Skills Tested in this Assessment: Safety Demonstrate personal safety, including PPEs Demonstrate work environment safety Demonstrate tool safety Demonstrate proper trenching methods Plumbing Math Use formulas Add, subtract, multiply, and divide whole numbers and fractions Convert measurements Calculate slope and angles with a builder’s level/laser Size drain/waste lines and storm drains General Plumbing Practices Identify and use plumbing tools Demonstrate blueprint reading Interpret an isometric view of a drain, waste, and vent (DWV) system Identify plumbing materials and fittings Identify plumbing pipe protection methods (i.e., fire caulk, nail plates) Interpret and comply with general plumbing practices Interpret manufacturer’s specifications Testing of plumbing systems Identify plumbing terminology Identify plumbing symbols Joining Pipes and Fittings Join copper pipe, tubes, and fittings Join plastic pipes, tubes, and fittings Join steel pipes and fittings Join cast iron pipes and fittings Join dissimilar materials Page 1 of 7 Job Ready Assessment Copyright Nocti Business Solutions, Inc. All Rights Reserved

Plumbing Specific Competencies and Skills continued: Drainage Install drain/waste lines and storm drains (i.e., interior and exterior) Describe sizing of basic drainage systems Calculate proper pitch Describe purpose and appropriate locations for clean-out Vent Installation Install a vent system for soil or waste drainage Differentiate between types of vents and venting systems Water Supply and Distribution Layout/rough-in water service and distribution lines Install water lines, including water hammer arrestors and/or air chambers Identify various valve types and required locations Identify cross-connection and back-flow devices and functions Hot Water Systems Install basic types of water heaters (i.e., electric and gas) Install and identify purpose of pressure/temperature relief valve on a water heater Identify water heater components (i.e., electric and gas) Display proper venting of a gas water heater Page 2 of 7 Job Ready Assessment Copyright Nocti Business Solutions, Inc. All Rights Reserved

Plumbing Specific Competencies and Skills continued: Traps Exhibit knowledge of trap function, installation, and placement Distinguish between approved and non-approved traps Identify trap components Identify causes and prevention for trap seal loss Installing Fixtures Install kitchen and lavatory fixtures Install water closets Install bathtub/shower Install faucets Install urinals Plumbing Service and Repair Repair washer and washerless type faucets Display ethical practices in service and repair Replace ball cocks and flush valves Unclog drains and traps Replace kitchen plumbing appliances Page 3 of 7 Job Ready Assessment Copyright Nocti Business Solutions, Inc. All Rights Reserved

Plumbing Written Assessment: Administration Time: Number of Questions: 3 hours 173 Areas Covered: Page 4 of 7 Job Ready Assessment Copyright Nocti Business Solutions, Inc. All Rights Reserved

Plumbing Sample Questions: The weight of a cubic foot of water is A. 6.24 pounds B. 8.33 pounds C. 27 pounds D. 62.4 pounds PVC and ABS are what type of pipe material? A. steel B. plastic C. cooper D. brass PVC cement joints shall be made while the cement is A. dry B. partially dry C. wet D. heated Clean outs are used at the base of a stack to A. make the turn more gradual B. let the plumber know where the stack base is located C. allow the cleaning of a blockage D. check for effluent leakage Water hammer arrestors have a cushion of air or gas to absorb A. sediment B. moisture C. shock D. bacteria Page 5 of 7 Job Ready Assessment Copyright Nocti Business Solutions, Inc. All Rights Reserved

Plumbing Performance Assessment: Administration Time: Number of Jobs: 3 hours 2 Areas Covered: 50% Install and Pressure Test a DWV System Selection of tools/materials, safe handling of tools and equipment, rough-in lavatory #1 (vertical and horizontal), rough-in lavatory #2 (vertical and horizontal), techniques for joining pipe and fittings, installation techniques, accuracy of fittings chosen, workstation left in good condition, adhere to local plumbing code, leak test, and time to complete Job 1. 50% Install and Prepare to Leak Test a Water Supply System Selection of tools/materials, safe handling of tools and equipment, rough-in lavatory #1 (vertical and horizontal), rough-in lavatory #2 (vertical and horizontal), techniques for joining pipe and fittings, installation techniques, accuracy of fittings chosen, workstation left in good condition, adhere to local plumbing code, leak test, and time to complete Job 2. Page 6 of 7 Job Ready Assessment Copyright Nocti Business Solutions, Inc. All Rights Reserved

Plumbing Sample Job: Install and Prepare to Leak Test a Water Supply System Maximum Time: 1 hour and 30 minutes Participant Activity: The participant will study a rough-in sketch and drawings to install a water supply system, measure and cut the pipe to correct size, connect all pipe and fittings per rough-in dimensions, install appropriate nail plates, and prepare the system for leak testing. Page 7 of 7 Job Ready Assessment Copyright Nocti Business Solutions, Inc. All Rights Reserved

Identify plumbing materials and fittings Identify plumbing pipe protection methods (i.e., fire caulk, nail plates) Interpret and comply with general plumbing practices Interpret manufacturer's specifications Testing of plumbing systems Identify plumbing terminology Identify plumbing symbols

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Identify plumbing materials and ttings Identify plumbing pipe protection methods (i.e., re caulk, nail plates) Interpret and comply with general plumbing practices Interpret manufacturer's speci cations Testing of plumbing systems Identify plumbing terminology Identify plumbing symbols Joining Pipes and Fittings

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