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Uniform Plumbing Code (UPC) > Ch 6 - Water Supply > Flashcards

Ch 6 - Water Supply Flashcards

1
Q

Fill in the blank

Flushometer valves may be substituted for _____.

A

Flush tanks

Each plumbing fixture shall be provided with an adequate supply of potable running water piped thereto in an approved manner, so arranged as to flush and keep it in a clean and sanitary condition without danger of backflow or cross-connection. Water closets and urinals shall be flushed using an approved flush tank or flushometer valve.

2024 UPC- 601.2 Water Supply and Flushing.

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2
Q

Fill in the blank

Water closets and urinals shall be flushed by means of an approved flush tank or _____ valve.

A

Flushometer

Each plumbing fixture shall be provided with an adequate supply of potable running water piped thereto in an approved manner, so arranged as to flush and keep it in a clean and sanitary condition without danger of backflow or cross-connection. Water closets and urinals shall be flushed using an approved flush tank or flushometer valve.

2024 UPC- 601.2 Water Supply and Flushing.

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3
Q

True or False

True or False: Each plumbing fixture shall be provided with an adequate supply of potable running water arrange as to flush and keep it clean and sanitary without danger of backflow or cross-connection.

A

TRUE

Each plumbing fixture shall be provided with an adequate supply of potable running water piped thereto in an approved manner, so arranged as to flush and keep it in a clean and sanitary condition without danger of backflow or cross-connection. Water closets and urinals shall be flushed using an approved flush tank or flushometer valve.

2024 UPC- 601.2 Water Supply and Flushing.

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4
Q

What colors are used to identify potable water, when a building has both potable and nonpotable water?

A

Green background with white lettering

Green background with white lettering.

2024 UPC- 601.3.1 Potable Water.

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5
Q

What colors are used to identify nonpotable water, when a building has both potable and nonpotable water?

A

Yellow background with black lettering.

Except as required by Section 601.3.3, nonpotable water systems shall have a yellow background with black uppercase lettering, with the words “CAUTION: NONPOTABLE WATER, DO NOT DRINK.” Each nonpotable system shall be identified to designate the liquid being conveyed, and the direction of normal flow shall be clearly shown. The minimum size of the letters and length of the color field shall comply with Table 601.3.2.

2024 UPC- 601.3.2 Color and Information.

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6
Q

Fill in the blank

An Atmospheric Vacuum Breaker (AVB) consists of a body, a checking member and an _____ opening.

A

Atmospheric

An atmospheric vacuum breaker consists of a body, a checking member, and an atmospheric port.

2024 UPC- 603.3.2 Atmospheric Vacuum Breaker (AVB).

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7
Q

Fill in the blank

Where potable water is discharged to the drainage system it shall be by means of an approved airgap of _____ pipe diameters of the inlet.

A

2 pipe diameters

Direct connections between potable water piping and sewer-connected wastes shall not be permitted to exist under any condition with or without backflow protection. Where potable water is discharged to the drainage system, it shall be by means of an approved air gap of two pipe diameters of the supply inlet, but in no case shall the gap be less than 1 inch (25.4 mm). Connection shall be permitted to be made to the inlet side of a trap provided that an approved vacuum breaker is installed not less than 6 inches (152 mm), or the distance according to the device’s listing, above the flood-level rim of such trapped fixture, so that at no time will such device be subjected to backpressure.

2024 UPC- 603.4.4 Connections.

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8
Q

Fill in the blank

Direct connections between potable water piping and sewer connected wastes shall not exist under any condition with or without _____ protection.

A

Backflow

Direct connections between potable water piping and sewer-connected wastes shall not be permitted to exist under any condition with or without backflow protection. Where potable water is discharged to the drainage system, it shall be by means of an approved air gap of two pipe diameters of the supply inlet, but in no case shall the gap be less than 1 inch (25.4 mm). Connection shall be permitted to be made to the inlet side of a trap provided that an approved vacuum breaker is installed not less than 6 inches (152 mm), or the distance according to the device’s listing, above the flood-level rim of such trapped fixture, so that at no time will such device be subjected to backpressure.

2024 UPC- 603.4.4 Connections.

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9
Q

Fill in the blank

In cold climate areas, backflow assemblies and devices shall be protected from _____ by a method acceptable to the Authority Having Jurisdiction.

A

Freezing

In cold climate areas, backflow assemblies and devices shall be protected from freezing with an outdoor enclosure that complies with ASSE 1060 or by a method acceptable to the Authority Having Jurisdiction.

2024 UPC- 603.4.7 Freeze Protection.

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10
Q

Fill in the blank

Water Closet and Urinal Flushometer Valves shall be equipped with a listed _____.

A

Atmospheric vacuum breaker (AVB)

Water closet and urinal flushometer valves shall be protected against backflow by an approved backflow prevention assembly, device, or method. Where the valves are equipped with an atmospheric vacuum breaker, the vacuum breaker shall be installed on the discharge side of the flushometer valve with the critical level not less than 6 inches (152 mm), or the distance according to its listing, above the overflow rim of a water closet bowl or the highest part of a urinal.

2024 UPC- 603.5.1 Atmospheric Vacuum Breaker.

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11
Q

Fill in the blank

Water Closet and Urinal Tanks shall be equipped with a listed _____.

A

Ballcock

Water closet and urinal tanks shall be equipped with a ballcock. The ballcock shall be installed with the critical level not less than 1 inch (25.4 mm) above the full opening of the overflow pipe. In cases where the ballcock has no hush tube, the bottom of the water supply inlet shall be installed 1 inch (25.4 mm) above the full opening of the overflow pipe.

2024 UPC- 603.5.2 Ballcock.

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12
Q

Fill in the blank

Heat exchangers used for heat transfer, heat recovery, or solar heating shall protect the potable water system from being _____ by the heat transfer medium.

A

Contaminated

Heat exchangers used for heat transfer, heat recovery, or solar heating shall protect the potable water system from being contaminated by the heat-transfer medium. Single-wall heat exchangers used in indirect-fired water heaters shall meet the requirements of Section 505.4.1. Double-wall heat exchangers shall separate the potable water from the heat-transfer medium by providing a space between the two walls that are vented to the atmosphere.

2024 UPC- 603.5.4 Heat Exchangers.

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13
Q

Fill in the blank

Hose connections in health care or laboratory areas shall not be less than _____ feet above the floor.

A

6 feet

Vacuum breakers for washer-hose bedpans shall be located not less than 5 feet (1524 mm) above the floor. Hose connections in health care or laboratory areas shall be not less than 6 feet (1829 mm) above the floor.

2024 UPC- 603.5.15 Health Care or Laboratory Areas.

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14
Q

Fill in the blank

Combination stop-and-waste valves or cocks shall not be installed _____.

A

Underground

Potable water outlets, freeze-proof yard hydrants, combination stop-and-waste valves, or other fixtures that incorporate a stop and waste feature that drains into the ground shall not be installed underground.

2024 UPC- 603.5.17 Potable Water Outlets and Valves.

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15
Q

True or False

True or False: Water distribution pipe and building supply water pipe and fittings can be made of copper alloy.

A

TRUE

Pipe, tube, fittings, solvent cement, thread sealants, solders, and flux used in potable water systems intended to supply drinking water shall comply with NSF/ANSI/CAN 61. Where pipe fittings and valves are made from copper alloys containing more than 15 percent zinc by weight and are used in plastic piping systems, they shall be resistant to dezincification and stress corrosion cracking in compliance with NSF/ANSI 14. Materials used in the water supply system, except valves and similar devices, shall be of a like material, except where otherwise approved by the Authority Having Jurisdiction. Materials for building water piping and building supply piping shall comply with the applicable standards referenced in Table 604.1.

2024 UPC- 604.1 Pipe, Tube, and Fittings. 2024 UPC- Table 604.1 Materials for Building Supply and Water Distribution Piping and Fittings (page 103)

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16
Q

Fill in the blank

Listed flexible copper water connectors shall be installed in _____ locations, unless otherwise listed.

A

Readily accessible

Flexible water connectors shall be installed in accessible locations, and where under continuous pressure shall comply with ASME A112.18.6/CSA B125.6. Flexible water connectors with an excess flow shutoff device shall comply with CSA B125.5/IAPMO Z600.

2024 UPC- 604.5 Flexible Connectors.

17
Q

Fill in the blank

Cast iron fittings up to and including _____ inches in size, when used in connection with potable water piping shall be galvanized.

A

2 inches

Cast-iron fittings up to and including 2 inches (50 mm) in size, where used in connection with potable water piping, shall be galvanized.

2024 UPC- 604.6 Cast-Iron Fittings.

18
Q

Fill in the blank

All malleable iron water fittings shall be _____.

A

Galvanized

Malleable iron water fittings shall be galvanized.

2024 UPC- 604.7 Malleable Iron Fittings.

19
Q

Fill in the blank

PEX tubing shall not be installed within the first _____ inches of piping connected to a water heater.

A

18 inches

Flexible metallic (copper and stainless steel), reinforced flexible, braided stainless steel, or polymer braided with EPDM core connectors that connect a water heater to the piping system shall be in accordance with ASME A112.18.6/CSA B125.6. Copper, copper alloy, or stainless steel flexible connectors shall not exceed 24 inches (610 mm). PEX, PEX-AL-PEX, PE-AL-PE, or PE-RT tubing shall not be installed within the first 18 inches (457 mm) of piping connected to a water heater.

2024 UPC- 604.13 Water Heater Connectors.

20
Q

Fill in the blank

Flared joints for soft copper water tubing shall be _____ to the full bore, resized to round and expanded with a proper flaring tool.

A

Reamed

Flared joints for soft copper or copper alloy water tubing, the tubing shall be made with fittings that comply with the applicable standards referenced in Table 604.1. Pipe or tubing shall be cut square using an appropriate tubing cutter. The tubing shall be reamed to full inside diameter, resized to round and expanded with a proper flaring tool.

2024 UPC- 605.1.2 Flared Joints. 2024 UPC- 605.1.2 Flared Joints.

21
Q

Fill in the blank

Valves up to an including _____ inches in size shall be brass or other approved material.

A

2 inches

Valves up to and including 2 inches (50 mm) in size shall be copper alloy or other approved material. Sizes exceeding 2 inches (50 mm) shall be permitted to have bodies of cast iron, copper alloy, or other approved materials.

2024 UPC- 606.0 Valves. 2024 UPC- 606.1 General.

22
Q

Fill in the blank

A fullway valve shall be installed on the _____ water supply pipe to each water heater at or near the water heater.

A

Cold

A fullway valve controlling outlets shall be installed on the discharge side of each water meter and on each unmetered water supply. Water piping supplying more than one building on one premises shall be equipped with a separate fullway valve to each building, so arranged that the water supply can be turned on or off to an individual or separate building provided; however, that supply piping to a single-family residence and building accessory thereto shall be permitted to be controlled on one valve. Such shutoff valves shall be accessible. A fullway valve shall be installed on the discharge piping from water supply tanks at or near the tank. A fullway valve shall be installed on the cold water supply pipe to each water heater at or near the water heater.

2024 UPC- 606.2 Fullway Valve.

23
Q

True or False

True or False: In multi-dwelling units, the water supply to each unit must be able to be shut off without stopping water supply or other units.

A

TRUE

In multidwelling units, one or more shutoff valves shall be provided in each dwelling unit so that the water supply to a plumbing fixture or group of fixtures in that dwelling unit can be shut off without stopping water supply to fixtures in other dwelling units. These valves shall be accessible in the dwelling unit that they control.

2024 UPC- 606.3 Multidwelling Units.

24
Q

What is the lowest water pressure required after allowing for friction and other pressure losses?

A

15 psi

Where the water pressure in the main or other source of supply does not provide a residual water pressure of not less than 15 pounds force per square inch (psi) (103 kPa), after allowing for friction and other pressure losses, a tank and a pump or other means that will provide said 15 psi (103 kPa) pressure shall be installed. Where fixtures, fixture fittings, or both are installed that, require a residual pressure exceeding 15 psi (103 kPa), that minimum residual pressure shall be provided.

2024 UPC- 608.1 Inadequate Water Pressure

25
Q

Fill in the blank

An approved type pressure regulator shall be installed where local static water pressure exceeds _____
pounds per square inch.

A

80 psi

Where static water pressure in the water supply piping exceeds 80 psi (552 kPa), an approved-type pressure regulator preceded by an adequate strainer shall be installed and the static pressure reduced to 80 psi (552 kPa) or less. Pressure regulators for potable water distribution systems shall comply with ASSE 1003 or AWWA C530. Pressure regulator(s) equal to or exceeding 11?2 inches (40 mm) shall not require a strainer. Such regulator(s) shall control the pressure to water outlets in the building unless otherwise approved by the Authority Having Jurisdiction.

2024 UPC- 608.2 Excessive Water Pressure

26
Q

Fill in the blank

Each pressure relief valve shall be an approved automatic type with drain, and each such relief valve shall be set at a pressure of not more than _____ pounds per square inch.

A

150 psi

Each pressure relief valve shall be an approved automatic type with drain, and each such relief valve shall be set at a pressure of not more than 150 psi (1034 kPa). No shutoff valve shall be installed between the relief valve and the system.

2024 UPC- 608.4 Pressure Relief Valves.

27
Q

Fill in the blank

All water service yard piping shall be at least _____ below the average local frost depth.

A

12 inches

Piping, equipment, appurtenances, and devices shall be installed in a workmanlike manner in accordance with the provisions and intent of the code. Building supply yard piping shall be not less than 12 inches (305 mm) below the average local frost depth. The cover shall be not less than 12 inches (305 mm) below finish grade.

2024 UPC- 609.1 Installation.

28
Q

What is the minimum separation when sewer piping materials are used with water pipe?

A

12 inches

(1) The bottom of the water pipe, shall be not less than 12 inches (305 mm) above the top of the sewer or drain line.

2024 UPC- 609.2 Trenches.

29
Q

Fill in the blank

Field wrapping shall provide equivalent protection and is restricted to those fittings and short sections where the factory wrap has necessarily _____.

A

Stripped

(1) Ferrous piping shall have a protective coating of an approved type, machine applied and in accordance with recognized standards. Field wrapping shall provide equivalent protection and shall be restricted to those short sections and fittings necessarily stripped for threading. Zinc coating (galvanizing) shall not be deemed adequate protection for piping or fittings. Approved nonferrous piping shall not be required to be wrapped.

2024 UPC- 609.3 Under Concrete Slab.

30
Q

Fill in the blank

A 50 pound per square inch air pressure may be substituted for the water test. The piping shall withstand the test without leaking for a period of not less than _____ minutes.

A

15 minutes

Upon completion of a section or of the entire hot and cold water supply system, the system shall be tested with water or air. The portable water test pressure shall be greater than or equal to the working pressure under which the system is to be used. The air pressure shall be a minimum of 50 psi (345 kPa). Plastic pipe shall not be tested with air. The piping system shall withstand the test pressure without showing evidence of leakage for a period of not less than 15 minutes.

2024 UPC- 609.4 Testing.

31
Q

Fill in the blank

Unions shall be installed in the water supply piping within _____ inches of equipment which may require service by removal or replacement.

A

12 inches

Unions shall be installed in the water supply piping not more than 12 inches (305 mm) of regulating equipment, water heating, conditioning tanks, and similar equipment that requires service by removal or replacement in a manner that will facilitate its ready removal.

2024 UPC- 609.5 Unions.

32
Q

True or False

True or False: No building supply shall be located in any lot other than the lot which is the site of the building or structure served by such building supply.

A

TRUE

Except as provided in Section 609.7, no building supply shall be located in a lot other than the lot that is the site of the building or structure served by such building supply. (

2024 UPC- 609.7 Abutting Lot.) 2024 UPC- 609.6 Location.

33
Q

Fill in the blank

The minimum fixture branch pipe size for a Lavatory is _____ inch.

A

1/2 inch

The quantity of water required to be supplied to every plumbing fixture shall be represented by fixture units, as shown in Table 610.3. Equivalent fixture values shown in Table 610.3 include both hot and cold water demand.

2024 UPC- 610.3 Quantity of Water. 2024 UPC- Table 610.3 Water Supply Fixture Units (WSFU) and Minimum Fixture Branch Pipe Sizes (page 112)

Uniform Plumbing Code (UPC) (17 decks)

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