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What does code require to be installed when residual pressure in the water main is not sufficient enough to service Plumbing Fixtures? - ANSWER Booster Pump
According to Idaho Law-Chapter 54, what is this act for? - ANSWER Provide Minimum Standards (54-2601)
Define Plumbing - ANSWER Business, trade, or work having to do with the installation, removal, alteration, or repair of Plumbing system or parts thereof (54-2603)
Define Plumbing System - ANSWER Public or private system includes: Fixtures, inter connecting, traps, for soil/waste/vent pipes, building drain and sewer, liquid waste, and water supply. (54-2604)
What is the Purpose of the Plumbing board? - ANSWER Enforce Provisions of this Act (54-2605)
How many members are on the Idaho State Plumbing Board? - ANSWER 5 (54-2605)
How does one become a member of the Idaho State Plumbing Board? - ANSWER Appointed by Governor (54-2605)
What is the length of time each Plumbing board member serves? - ANSWER 2 (54-2605)
What are the basic Qualification to be a member of the Idaho State Plumbing Board? - ANSWER Shall be United States citizens, Residents of this state not less than 2 years, and have qualified knowledge
What are the qualifications of each board member to hold a position on the board? - ANSWER 2 board members representing the public, 1 plumbing contractor, 1 plumbing
Journeyman, 1 Plumbing contractor with Gas pipping experience. (54-2605)
What are the Powers and duties of the administrator for the Plumbing Division? - ANSWER 1.Enforce minimum requirments
2.Preserve and establish procedures
3.serve as secretary of the board
4.appoint inspectors
5.make inspection for another state upon request
6.summon witnesses to appear and testify
7.administer oaths
8.impose civil penalties
9.prevent further violations of code
(54-2607)
What are the qualifications to be and inspector? - ANSWER 1. 5 years total Experience in the field
- Posses certificates of competency
- fully familiar with provisions of this act and rules made by administrator and board
- shall not be engaged or financially interested in plumbing business
Define AHJ? - ANSWER Authority Having Jurisdiction: organization responsible for enforcing requirements of the code. (203.0)
What shall any person or firm, co partnership, association or corporation have in the business trade practice or work of plumbing in the state of idaho? - ANSWER Plumbing contractor License (54-2610)
Who does the requirements for a certificate of competency not apply to? - ANSWER Homeowners, farm buildings, logging facilities, industrial plants, Mining Facilities (54-2602)
jurisprudence, whenever any work regulated by this code is dangerous to human life or is detrimental to health and property, inadequate or unsafe water supply or sewage disposal system
Define Existing Work - ANSWER Any part of the plumbing system which has been installed prior to the effective date of this Code.
Receptor - ANSWER an approved plumbing fixture or device of such material, shape, and capacity as to adequately receive the discharge from indirect waste pipes, so constructed and located as to be readily cleaned.
Define Pollution - ANSWER an impairment of the quality of the potable water to a degree which does not create a hazard to the public health but which does adversely and unreasonably affect the aesthetic qualities of such potable waters for domestic use.
Define Flushometer - ANSWER A valve which discharges a predetermined quality of water to fixtures for flushing purposes and is actuated by direct water pressure.
Define Stack - ANSWER The vertical main of a system of soil, waste or vent piping extending through one or more stories.
Define yoke stack - ANSWER A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing changes in the stacks
Lot - ANSWER A single parcel of area of land legally recorded or validated by other means to the AHJ on which is situated a building or which is the site of any work regulated by this code, together with the yards, courts, and unoccupied spaces legally required for the building or works and which is owned by or is in the lawful possession of the owner of the building or work.
Define Water distribution Pipe - ANSWER a pipe which conveys potable water from the building supply pipe to the plumbing fixtures and other water outlets.
Define Air Gap - ANSWER The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe, plumbing fixture, appliance or appurtenance conveying waste to flood level rim of the receptor.
Continuous waste - ANSWER a drain connecting the compartments of a set of fixtures to a trap or connecting other permitted fixtures to a common trap.
Flooded - ANSWER when liquid within a fixture rises to the flood level rim
Tailpiece - ANSWER The piping or tubing that connects the outlet of a plumbing fixture to a trap.
Define Drain - ANSWER any pipe which carries waste or water borne wastes in a building drainage system
Define Flush Valve - ANSWER a valve located at the bottom of a tank for the purposes of flushing water closets and similar fixtures
Define Critical Level - ANSWER The critical level marking a backflow prevention device or vacuum breaker is a point conforming to approved standards and established by the testing laboratory which determines the minimum elevation above the flood level rim of the fixture or receptor served at which the device may be installed.
Define Pipe Size - ANSWER a cylindrical conduit or conductor, conforming to the particular dimensions.
Define Plumbing Fixture - ANSWER An approved type installed receptacle, device, or appliance which is supplied with water or which receives liquid or liquid borne wastes and discharges such wastes into drainage system to which it may be directly or indirectly connected.
Define Horizontal Pipe - ANSWER any pipe or fitting which is installed in a horizontal position or which makes an angle or les than forty five degrees with the horizontal.
Define Branch - ANSWER any part of the piping system other than a main, riser, or stack.
Define building Supply - ANSWER the pipe carrying potable water from the water meter or other source of water supply to a building or other point of use or distribution on the lot.
Define cross-connection - ANSWER any connection or arrangement, physical or otherwise, between a potable water supply system and any plumbing fixture or any tank, receptor, equipment or device, through which it may be possible for non-potable, used, unclean, polluted and contaminated water, or other substances, to enter into any part of such potable water system under any condition.
Define Effective opening - ANSWER The minimum cross-sectional area at the point of water supply discharge measured or expressed in terms of: Diameter of a circle, or the diameter of a circle equivalent cross-sectional area.
Define Wet Vent - ANSWER A vent which also serves as a drain
Define Flush Tank - ANSWER A tank located above or integral with water closets, urinals, or similar fixtures for the purpose of flushing the usable portion of the fixture.
Define invert - ANSWER The lowest portion of the inside of a horizontal pipe.
Define Offset a combination of elbows or bends in a line of piping which brings one section of the pipe out of the line but into a line parallel with the other section.
Define Fixture supply A water supply pipe connecting the fixture with the fixture branch.
Define Readily Accessible direct access without the necessity of removing any panel, door or similar obstruction.
Plumbing Vent System - ANSWER A Pipe or pipes installed to provide a flow of air to or from a drainage system or to provide a circulation of air within such system to protect trap seals from siphonage and back pressure.
Define Plumbing Vent - ANSWER any pipe provided to ventilate a plumbing system, to prevent trap siphonage and back pressure, or to equalize the air pressure within the drainage system.
Define Developed Length - ANSWER the length along the center line of a pipe and fittings
Define Trap - ANSWER an approved device so designed and constructed as to provide a liquid seal which will prevent back passage of air without materially affecting the flow of sewage or waste water through it.
Define Continuous Vent - ANSWER A Vertical vent that is a continuation of the drain to which connects.
Define Soil Pipe - ANSWER any pipe which conveys the discharge of water closets, urinals, clinic sinks or fixtures having similar functions of collection and removal of domestic sewage, with or without the discharge form other fixtures, to building drain or building sewer.
Horizontal Branch - A drain pipe extending laterally from a soil or waste stack or building drain, with or without vertical sections or branches, which receives the discharge from one or more fixture drains and conducts it to the soil or waste stack or to the building drain.
Define Sewage - ANSWER any liquid waste containing animal or vegetable matter in suspension or solution and may include liquids containing chemicals in solution.
Define Roughing in - ANSWER the installation of all parts of the plumbing system which
Fixture unit - ANSWER a quantity in terms of which the load-producing effects on the plumbing system of different kinds of plumbing fixtures are expressed on some arbitrarily chosen scale.
Vent Stack - ANSWER the vertical vent pip installed primarily for the purpose of providing circulation of air to and from any part of the drainage system
Fixture branch - ANSWER a water supply pipe between the fixture supply pipe and the water distributing pipe.
Riser - ANSWER a water supply pipe which extends vertically one full story or more to convey water to branches or fixtures.
Branch Vent - ANSWER A vent connecting one or more individual vents with a vent stack or stack vent
Define Trap arm - ANSWER that portino of a fixture drain between a trap and the vent
Define Leader - ANSWER an exterior vertical drainage pipe for conveying storm water from roof or gutter drains.
Residual Pressure - ANSWER the pressure available at the fixture or water outlet after allowance is made for pressure drop due to friction loss, head, meter, and other losses in the system during maximum demand periods.
Define Sump - ANSWER an approved tank or pit which receives sewage or liquid waste and which is located below the normal grade of the gravity system and which must be emptied by mechanical means
Define Backwater valve - ANSWER a device installed in a drainage system to prevent revers flow
Define Conductor - ANSWER a pipe inside the building which conveys storm water from the roof to a storm drain combined building sewer or other approved point of disposal
Define Individual Vent - ANSWER A pipe installed to vent a fixture trap and which connects with the vent system above the fixture served or terminates in the open air.
Define Trap Seal - ANSWER the vertical distance between the crown weir and the top dip of the trap
Define Static Pressure - ANSWER The pressure existing without any flow
Define Crown Weir - ANSWER The lowest point in the cross section of the horizontal water way at the exit of the trap.
Define Potable Water - ANSWER Water that is satisfactory for drinking, culinary, and domestic purposes and that meets the requirements of the AHJ
Define Waste Pipe - ANSWER A pipe which conveys only liquid waste, free of fecal matter
top dip - ANSWER the highest point in the internal cross section of the trap at the lowest part of the bend. By contrast the top dip is the lowest point in the internal cross section
How far above the ground shall a T&P valve drain line discharge? - ANSWER 6 inches
Where may CPVC pipe be installed? - ANSWER within a building
What type of pipe can water pipes be installed in the same trench of without a separate shelf? - ANSWER Asbestos Cement
Piping shall be laid on a _____ of ground? - ANSWER a firm bed
How shall copper piping be installed under concrete? - ANSWER without joints where possible
Where shall type M copper piping be installed? - ANSWER above ground only
All building for human habitation and have plumbing fixtures shall have? - ANSWER an adequate supply of potable running water
How far shall a union be installed from regulating equipment? - ANSWER within 12"
How shall a pressure relief valve drain be ran? - ANSWER Full sized and extended to the outside of building
What size shall the inlet and outlet of any water softener be? - ANSWER no smaller than the supply piping for fixtures served
How shall each outlet on a non-potable water system be marked? - ANSWER CAUTION - NON POTABLE WATER DO NOT DRINK
At what height shall backflow prevention devices be installed? - ANSWER at a minimum of 12" above the floor
Where shall all rain water drains discharge to? - ANSWER outside of the building or to the gutter
Where shall control valves be installed? - ANSWER immediately ahead of each water supplied appliance and each slip joint or non metallic water supply connection
What shall be the minimum size of water service pipe for a 2 bed, 1 bathroom home? - ANSWER 3/4"
Prior to installation any device designed for the prevention of backflow or back siphonage it shall first be? - ANSWER Approved by the AHJ
What is the major purpose of a backflow prevention device? - ANSWER prevent pollution or contamination of the potable water supply
What is the minimum height above of a vacuum breaker above a urinal equipped with a flush-ometer? - ANSWER 6"
What is the minimum height above the overflow rim of a vat that a vacuum breaker must be installed? - ANSWER 6"
Where may slip joints be installed in the water system? - ANSWER in an accessible location
How far must PEX pipe be installed from a water heater? - ANSWER 18"
What is the minimum water pressure at the highest part system required to be for fixture to properly function? - ANSWER 15 psi
How shall you plumb a home when water pressure is fluctuating? - ANSWER Homes should be designed based on minimum water pressure
What is the maximum length of flexible corrugated connections? - ANSWER 24"
What is the first hour rating for a 3 bedroom 2 bath home? - ANSWER 67 gallon
How many sink compartments can a single trap serve? - ANSWER 3
How must a food waste disposal unit installed in a restaurant, commercial, or industrial sink? - ANSWER shall be installed with an independent separate trap
What degree of directional change is allowed on a trap arm 3" or smaller? - ANSWER 90
How many inches above the primary drain inlet shall the secondary inlet be? - ANSWER 6
Appliance shut offs shall be located within how many feet of the appliance served? - ANSWER 6'
If two or more gas outlets are present in research laboratory, what would be required? - ANSWER a single shutoff valve
How shall a gray water installation exceeding 250 gallon capacity be designed? - ANSWER By a registered design professional
How long is an apprenticeship license valid for? - ANSWER 5 Years
At what depth shall gas pipping outside be covered where external forces is likely to cause damage? - ANSWER 18"
What is the minimum depth gas piping be covered? - ANSWER 12"
How shall roof drains, gutters, vertical conductors or leaders, and horizontal storm drains be sized? - ANSWER Shall be sized based on 60 minute 100-year return period
What is the drainage fixture value of a bathtub or combination bathtub/shower? -
ANSWER 2.
Define flushometer Tank - ANSWER A device integrated within an air accumulator vessel that is designed to discharge a predetermined quantity of wat to fixture for flushing purposes
By code what is the physical orientation of stack? - ANSWER in the vertical
Of what type shall shower control valves be? ANSWER a pressure balancing, and thermostatic mixing valve type
Water heaters supported by the ground shall rest on? ANSWER a level concrete or other approved base
What is the maximum fixture load on a 2" waste stack? ANSWER 16
What is the maximum fixture load of a 2 inch vent pipe? ANSWER 24
Whose responsibility is it to notify the AHJ that work is ready to be inspected? ANSWER The Permit Holder
Where shall mechanical devices for the absorption of water hammers be installed? ANSWER Accessible
Where shall the water shut off valve for a water heater be installed? ANSWER Cold side at or near the water heater
How shall change of directions of copper tubing be made without fittings? - ANSWER with approved bending equipment
What is installed between the outlet of a flush-ometer valve and the fixture to prevent back siphoning? - ANSWER Vacuum breaker
What is a room with a bathtub or shower considered? - ANSWER Bathroom
Define Continuous Vent? - ANSWER a vertical vent that is a continuation of the drain to which it is connected
What can any person violating this code be deemed guilty of? - ANSWER a Misdemeanor
How many fixture units are allowed to be run on a 2" horizontal drain branch? - ANSWER 8
What is the minimum grade required to pass the journeyman written exam? - ANSWER 75%
What is the minimum depth of a building supply? - ANSWER 12" below local frost depth
What color stripe is on type M copper? - ANSWER Red
What color stipe is found on type L copper? - ANSWER Blue
What is the maximum lead level for solder and flux used in a potable water system? - ANSWER.2% (604.2)
What is the maximum lead lever for water pip and fittings use in a potable water system?
What is the minimum size vent required on a 4" Pipe? - ANSWER 2"
How many fixtures can a 1 1/2" horizontal pipe serve? - ANSWER 2
How many feet from a vertical wall shall a vent terminate? - ANSWER 1 foot (12 inches)
How far from a non-openable window shall a vent be terminated in the horizontal and vertical? - ANSWER 3'
How far from a openable window shall a vent be terminated in the horizontal and vertical? - ANSWER 10' horizontal
3' vertically above
What is the minimum depth below finished grade of a building drain? - ANSWER 12"
What is minimum thickness of a stud guard? - ANSWER 1.2mm
Of what material shall toilets bolts be made of? - ANSWER Non-corrosive
What kind of paint shall be used to cover pipes terminating through the roof? - ANSWER Water base synthetic latex paint
What is the total water fixture unit of 1-shower, 2-lavatories, 2-water closets, 1-bathtub, 1-clothes washer, 1- Laundry sink, 1- Kitchen sink, 2- hose bibs? - ANSWER 19.
What material is prohibited from being used in the drainage system? - ANSWER Asbestos cement
What drainage material must be maintained minimum 6" above ground? - ANSWER
