Field Inspections Flashcards
Horizontal wet venting always ends with what connection?
Toilet connection
P 908.2.4
Horizontal wet venting is only for all fixtures located where?
In a bathroom group
P 908.2.5
Horizontal wet venting pipes shall be no less than ______ in diameter.
2 inches
P 908.1.1
The horizontal wet vent may not be less than _____ inches for 5 DFU specified in table 702.1.
3 inches
P 908.2.2
Only _____ wet-vented fixture drain, or trap arm, is permitted to discharge upstream of the dry vented fixture drain connection in a horizontal wet vent.
one
P 908.2.1
The dry vent connection to the horizontal wet vent shall be an individual vent for either the ________, _________ or ______.
bidet, shower or tub
P 908.2.1
No vertical wet vent shall exceed _________ in developed length.
6 feet
P 908.1
No waste connection shall be made to a closet bend or stub of a ________ _________ or similar fixture.
water closet
P 310.3
No water closet or bidet shall be set closer than _________ from its center to a side wall.
15 inches
P 402.5
Floor-outlet or floor-mounted fixtures shall be secured to the drainage connection and floor by screws or bolts of what material?
corrosion resistant (Galvanized)
P 402.3
Water closet rings must be _________ in diameter, cut flush to present a smooth surface, and be bolted down with what type of screws or bolts?
7 inches
corrosion resistant (Galvanized)
P 402.6.1 and 402.6.2
A kitchen island needs a clean out at the end of the line that connects to what?
vertical wet vent
P 909.1
The kitchen island drain shall be provided with a ______ ______ connected to the vertical fixture vent by means of a wye fitting directly beneath the floor and extending through the roof.
foot vent
P 909.1
The ________ _________ sink drain shall serve no other fixtures.
kitchen island
P 909.1
Kitchen island loop of PVC drain and vent needs to be what?
as high as possible
P 909.1
The return bend for a kitchen island shall be a one piece fitting, or an assembly of a __________, a __________, and a _________ elbow in the order named.
45 degree
90 degree
45 degree
P 909.1
Kitchens shall not have a waste outlet less than ________ in diameter.
1 1/2 inches
P 420.4
Kitchen waste outlets shall be provided with an approved what?
strainer
P 420.4
Test gauges shall have a pressure range not exceeding ______ the test pressure applied.
twice
P 318.5
DWV aired up to _____ lbs for at least ______ minutes.
5
15
P 712.3
Boca plates and nail plates need to be placed on studs and top plates within ________ of the side of the wood and shall extend ________ beyond the outside diameter of the pipe or tubing.
1 inch
1 1/2 inches
P 312.9
Showers shall be capable of encompassing __________ circle.
30 inch
P 408.6
Showers shall have a trap arm waste outlet not less than ___________ in diameter.
2 inches
P 408.4
Water supply riser for the shower head whether exposed or not shall be what?
securely attached to the structure
P 408.10
Shower compartments, regardless of shape, shall have a minimum finished interior of what?
1024 square inches
P 408.6
Shower heads and control valves shall not be pointed directly at the what of the shower?
enter or exit
P 408.9
The maximum hot water temperature discharging from a freestanding bathtub with two handles and a whirlpool bathtub filler with two handles, shall be limited to ___________ with a _________ _________ or a limiting device conforming to ASSE 1070, ASME A112.1070, CSA B125.70 or CSA B125.3.
120 degrees
mixing valve
P 409.4
Bathtubs shall have a waste outlet of not less than _________ in diameter.
1 1/2 inches
P 409.2
Bathtubs shall be provided with an approved stopper or _____________.
strainer
P 409.2
Lavatories shall not have a waste outlet less than __________ in diameter.
1 1/4 inches
P 407.5
Lavatories shall be provided with an approved stopper or _____________.
strainer
P 407.5
Only _________ diameter vents going through the roof. Nothing smaller. For frost or snow closure.
2 inch
P 906.7
Any change in diameter for a vent going through the roof shall be made inside the building not less than ____________ below the roof in an insulated space.
12 inches
P 906.7
The diameter of an individual vent shall be not less than ___________, nor less than _____ the diameter of the drain it serves.
1 1/4 inches
1/2
P 904.1
Mot more than ________ of the total permitted length of a minimum sized vent shall be installed in a horizontal position.
1/3
P 904.2
Vents shall be _________ above the flood level rim of the fixture served before offsetting horizontally.
6 inches
P 905.3
Vent pipes shall terminate _______ from or not less than _________ above an openable window, door, opening, or air intake.
10 feet
3 feet
P 906.2
A branch of the waste system exceeding __________ in length shall be separately vented.
15 feet
P 910.3
2 fixtures shall be permitted to be served by a common vertical vent where each such fixture wastes separately into approved double fitting having inlet openings at the what?
same level
P 905.6
Vertical wet-vented fixtures shall be within the same ________, fixtures that discharge into a wet vent shall be on the same _______.
story
story
P 908.1
Vents shall be ________ or shall be graded to allow drip back by gravity to the drainage pipe it serves.
level
P 905.1
Vents shall terminate vertically not less than ________ above the roof.
12 inches
P 906.3
Where vents connect to a horizontal drainpipe, each vent pipe shall have its invert taken off above the drainage centerline _____________ of the trap being served.
downstream
P 905.2
Vent pipes shall extend undiminished in _______ above and through the roof.
size
P 905.4
An accessible clean out shall be installed in each _______ for the waste and vent system. Clean outs are not required on a wet vented branch serving a single trap where the fixture tailpiece is not less than __________ and you have access to clean through the trap.
vent
2 inches
P 910.6
2 fixtures set back-to-back, or side by side shall be permitted to be served by a single vertical drainage pipe provided that each fixture wastes ____________ into a double fixture fitting having inlet openings at the same ________.
separately
level
P 704.2
1 ¼” pipe diameter, ______ minimum and _____ maximum trap to vent.
1 ½” pipe diameter, _____ minimum and ______ maximum trap to vent.
2” pipe diameter, ______ minimum and ______ maximum trap to vent.
3” pipe diameter, _______ minimum and ______ maximum trap to vent.
2 1/2” - 30”
3” - 42”
4” - 60”
6” - 72”
P Table 1002.2
Fixtures on floor levels above the next upstream manhole and do not need a ___________ ________, shall not discharge through the ___________ ________.
backwater valve
P 710.1
Cleanouts for drains that pass through a backwater valve shall be clearly identified with a permanent label saying, “__________ _______ ______________”.
backwater valve downstream
P 710.1
A vent installed upstream of a backwater valve that obstructs the free flow of air shall not be used for meeting the ______________ _______ venting requirements.
cross-sectional area
P 904.1
Clean outs must be what?
accessible
P 707.8
Cleanouts shall be watertight and _________.
gastight
P 707.3
Each clean out shall be installed to allow cleaning in the direction of what?
flow
P 707.5
Clean outs in piping 2” or less must have clearance of not less than ______ by ______ in front. Piping larger than 2” must have a clearance of not less than ______ by ______.
18” by 18”
24” by 24”
P 707.9
A cleanout shall not be required on a pipe or piping that is above the _________ ________ _________, except kitchen sinks, urinals, and the building drain.
lowest floor level
P 707.4 Exception #3
A 2-way cleanout fitting installed on the building sewer drain either inside or outside up to grade, shall be permitted to be substituted for a what?
upper terminal cleanout
P 707.4 Exception #4
Cannot glue ABS (black) to PVC (white) pipe together or any other plastic pipe. Must be a what?
listed connector
P 705.10.3
PVC and ABS piping must be supported _______ on center horizontally and supported at each horizontal branch connection.
48 inches
P Table 313.3
Long sweep 90 elbow is used for __________ change in direction in drainage pipe, or upper _________ to ________, medium sweep elbow is used for __________ from horizontal to vertical downward.
horizontal
vertical
horizontal
dumping
P 706.1, 706.2, 706.3, and 706.4
Voids around piping passing through concrete floors must be what?
sealed
P 312.1
Piping shall be installed so that piping or connections will not be subject to undue stress and provisions shall be made for __________, _____________, and structural __________.
expansion
contraction
settlement
P 312.1
Laundry box drain must be _____ minimum, ______ maximum. The trap for a clothes washer shall be not less than ______ but not more than ______ above the floor.
18”
32”
6”
18”
P 804.1
Indirect waste pipes exceeding _________ but less than _________ in length shall be directly trapped, but such traps need not be vented.
5 feet
15 feet
P 803.3
Angles and changes of direction in indirect waste pipes shall be provided with what to permit flushing and cleaning?
cleanouts
P 803.3
What shall be equipped with an approved backwater valve, have a drain inlet in full view, and be trapped and vented?
floor drains
P 1006.1
Maximum run lengths without insulation on hot water piping are as follows:
¾” hot water piping = ______ uninsulated max
½” hot water piping = ______ uninsulated max
>3/4” hot water piping = ______ uninsulated max
10’
20’
5’
RE 403.4.2 and Table 403.4.2
PEX piping 1” and smaller must be supported horizontally every _______, vertically, base and each floor. PEX piping 1 ¼” and larger must be supported every _______ horizontally, and mid-story guides vertically.
32”
4’
P Table 313.3
Copper piping 1 ½” and smaller must be supported every ______ horizontally, and each floor not to exceed ________ vertically.
6 feet
10 feet
P Table 313.3
Copper water tubing can not be strapped to exposed ________ _______ or __________ _______ for corrosion.
metal steel ducts
aluminum
FG 403.8
Sumps shall be ______ in diameter, and _______ in depth, and provided with a fitted cover. The discharge for the sump shall not be less than ________ in diameter.
15 inches
18 inches
1 1/2”
P 1101.6.2
Radon vent pipe must be a perforated pipe of drain tile connected with a T fitting with __________ of drain tile connected either side, or one _________ long piece.
10 feet
20 feet
MN 1303.2402
Radon vent pipe must be insulated with a minimum of ______ insulation and be located _______ above the roof, and _______ away from any window or opening.
R-4
12 inches
10 feet
MN 1303.2402
The space required around the radon vent pipe shall be ___________ from the center of the pipe for future installation of a fan.
24 inches
MN 1303.2402
The radon vent pipe shall be labeled where?
on each story
MN 1303.2402
Shall be unlawful to conceal imperfections by __________, or __________. Or using wax, tar, or some other sealant or repair agent.
welding
soldering
P 309.2
No water, soil, or waste pipe shall be in attics, crawl spaces, or exterior walls unless what?
protected from freezing
P 312.6
Stainless steel pipe shall not be installed _____________ and shall be kept at least ________ above ground.
underground
6 inches
P 701.2 #5
Vitrified clay pipe shall not be used _____________ and shall not be pressurized. It shall be not less than _________ below ground.
above ground
12 inches
P 701.2 #3
Galvanized wrought iron and galvanized steel pipe shall not be used _____________ and shall be kept ______ above ground.
underground
6”
P 701.2 #1
No under-floor cleanout shall be located exceeding ___________ from an access door, trap door, or crawl hole.
5 feet
P 707.9
Manometer test must equal ______ either side or ________ total for 15 minutes. Disconnect the line and see if air blows back.
0.5
1.0
P 712.5
Must run dishwasher drain line _______ _______ and secure.
high loop
P 807.3
Shower must have minimum vertical clearance from the shower drain outlet to _________ above.
70 inches
P 408.6
The finished curb or threshold for only a shower room shall have a threshold not less than ______ and not more than ________. Unless curated for accessibility purposes.
2 inches
9 inches
P 408.5
Doors or thresholds to a shower shall not be less than ___________ for means of egress. Unless curated for accessibility purposes.
22 inches
P 408.5
The maximum hot water temperature discharging from a freestanding bathtub with two handles and a whirlpool bathtub filler with two handles, shall be limited to _________ degrees with a __________ _________ or a limiting device conforming to ASSE 1070, ASME A112.1070, CSA B125.70 or CSA B125.3.
120 degrees
mixing valve
P 409.4
Waste outlets for bathtubs shall be provided with an approved _________ or _________.
stopper
strainer
P 409.2
The water supply to a bathtub and whirlpool bathtub filler shall be protected by a what?
air gap
P 409.5
Water heater relief lines shall terminate to a safe area, typically into or near a floor drain. Must terminate to a maximum of ________ above the finished floor.
18 inches
P 608.5 and M 1006.6
Water heaters installed in residential garages shall be ___________ above the floor unless listed as flammable vapor ignition resistant and shall be protected from vehicle damage.
18 inches
P 507.13 and 507.13.1
How many inches of copper or metallic piping, is minimum on all water lines connected to and coming from the water heater?
18 inches
P 604.13
Water heater relief valve shall not discharge into a what?
water heater pan
P 608.5 #7
Water heater relief valve shall not be smaller than the diameter of the relief outlet and shall be _________ and ___________.
reamed
unthreaded
M 1006.6
What must be built in or present on all exterior hose bibs?
vacuum breaker fittings
P 603.5.7
Water heater needs what type of unions at the connection of water piping to the water heater?
dielectric unions
P 605.15
Water heaters shall have what installed on the cold-water supply pipe?
ball valve
P 606.2
Water heaters shall be capable of being removed without first removing a permanent portion of the what?
building structure
M 1002.1
Every water softener must have an _________ _______, and a __________ __________ to allow it to be removed and serviced.
isolation valve
bypass valve
P 611.5
Valves, pipes, and fittings shall be installed in what direction?
direction of flow
P 310.7
Where a water heater is located in an attic, floor assembly, or floor sub-floor assembly where damage could result from a leaking water heater, it shall have a corrosion resistant pan that is ___________ in depth, with a __________ drain out of the pan to an approved location.
1 1/2 inches
3/4 inch
P 507.5
Where an equipment or appliance is installed in a space that could result in damage from condensate overflow, like furnaces, it shall have a ________ _______ ___________ device that will shut off the equipment, or be in a __________ ____________ ______ with a separate drain line, or an additional drain line that is higher than the primary.
water level detection
corrosion resistant pan
P814.2 #1 through #4
Sumps shall be _________ in diameter, and __________ in depth, and provided with a bolt and gasket type fitted cover that is watertight. The discharge for the sump shall not be less than ___________ in diameter.
15 inches
18 inches
1 1/2 inches
P 1101.6.2
PVC pipe serving the gas water heater as exhaust air must not be what type of pipe?
cellular core pipe
Installation Instructions (ASTM F891)
Construction for future installations shall be terminated with a what?
Plugged fitting or fittings
P 402.11
Water meters shall be supported, must be readily accessible and be a minimum of ______ above the finished floor.
12 inches
P 609.12
Copper water tubing can not be strapped to exposed metal ________ or _____________ ducts for corrosion (Galvanic Action).
steel
aluminum
FG 403.8
A total of ____________ in turns allowed on the trap arm to the vent. So, if the sink has a ______ to come out of the wall, that’s all the fittings. Except trap arms 3” and above are permitted 135 degrees.
90 degrees
90
P 1002.3
Not more than _______ approved slip joint fitting may be used on the outlet side of the trap.
one
P 1003.2
Not more than __________ trap shall be permitted on a trap arm.
one
P 1001.2
Unions must be installed within ___________ of regulating equipment such as water heaters, softeners, and similar equipment that requires service by removal or replacement.
12 inches
P 609.5
Flexible corrugated connectors of copper, copper alloy, or steel for fixture connectors are limited to ___________ and shall not exceed _____________ on water heaters.
30 inches
24 inches
P 604.12 and 604.13
A level working platform in minimum dimension __________ by _____________ shall be provided on the service side of the appliance.
30 inches
30 inches
P 508.4.3
The diameter of the inlet or outlet of a water heater, softener, filter or similar equipment shall not be less than the diameter of such water distribution piping to the fixtures served by the device. Water can not be ___________, then ______________ creating a pressure loss.
decreased
increased
P 610.2
Water softeners must have an approved air gap and must have a ________ air gap at openings near 1”, not less than ________ air gap no matter what.
2 inch
1 inch
P Table 603.3.1
¾” softener connection, up to _____-bathroom groups plus additional water closet and lavatory. 1” water softener connection, up to _____-bathroom groups served and shall be engineered for the specific installation.
2
4
P Table 611.4
Handheld showers, faucets, fixtures and bathtubs shall have a ___________ ____________ where they reach to the bottom floor or flood level. Must be stamped with either ASME A112.18.3 or ASSE 1014.
backflow preventer
P 417.3
Where a fixture meets the wall or floor, the joint between the fixture and the wall or floor shall be made what?
watertight
P 402.2
Lavatory waste outlets shall be provided with an approved what?
stopper or strainer
P 407.5
Fixtures with concealed slip joint connections shall be accessible with a working space not less than __________ in its least dimension.
12 inches
P 402.10
Indirect waste pipes shall not be smaller than ________ and shall not exceed ___________ in developed length.
1 inch
15 feet
P 803.3
No water, soil, or waste pipe shall be in attics, crawl spaces, or exterior walls unless what?
protected from freezing
P 312.6
Construction for future installations shall be terminated with what?
Plug fittings
P 402.11
Floor mounted, back outlet water closets shall have a soil pipe not less than how many inches?
3 inches
P 402.6.3
Drainage or vent piping shall not be ________ and ________ for the purpose of connections and no __________ pipe shall be threaded.
drilled
tapped
cast-iron
P 310.2
Water distribution systems shall provide a ________ ________ at the distribution manifold, or immediately ahead of each fixture being supplied and shall be __________ with the fixture being supplied. If the distribution manifold is not readily accessible, a _________ _______ shall be required immediately ahead of each fixture.
control valve
identified
control valve
P 606.5
Joints at the roof around pipes shall have approved __________ with approved _________ material, and exterior wall openings shall be made ___________.
flashing
flashing
watertight
P 312.8
Approved ________ shall be permitted in drainage and vent piping where they are __________ located such as in the trap seal or between a fixture and its trap.
unions
accessibly
P 315.1
PVB for sprinklers must be located ____ foot higher than the highest sprinkler head. Can not _________ __________ and move valves, must stay the same.
1 foot
change assembly
P 603.2
Direct connections between potable water piping and sewer waste shall ______ _______ under any condition. Potable water discharged to the drainage system shall be through an air gap not less than ____ pipe diameters of supply inlet, but never less than ______. Connections shall be permitted on the inlet side of the trap with a vacuum breaker installed not less than __________ above flood level rim.
not exist
2
1 inch
6 inches
P 603.4.4
What instructions shall be available on the job site at the time of inspection?
manufacturer’s installation instructions
M 304.1
Appliances that are part of the building mechanical system shall not be converted to a different _______, except where approved and in accordance with the what?
fuel
manufacturer’s installation instructions
M 301.12
Where conflicts between the code and the manufacturer’s installation instructions occur, the __________ shall apply unless the manufacturer’s installation instructions are more _____________.
code
restrictive
M 304.2
Furnaces and boilers installed in closets or alcoves shall be what?
listed for such installation
M 303.5
Match up the cfm’s on the inspection sheet with the cfm’s written on the ventilation system and make sure it’s within _______ plus or minus.
10%
M 309.2.1
Must have a what for a forced air furnace per dwelling unit?
programmable thermostat
RE 403.1.1
Intake openings shall be located __________ from lot lines or buildings on the same lot, _________ from any hazardous or noxious contaminant, ___________ below contaminant sources if within 10’ horizontally.
10 feet
10 feet
3 feet
M 401.4
Intake openings are allowed to be less than 10’ horizontally from streets, alleys, parking lots, and loading docks provided it is __________ vertically above them.
25 feet
M 401.4 #2
Intake openings in residential shall not be less than ________ and not more than _________.
1/4 inch
1/2 inch
M Table 401.5
Exhaust openings that terminate to the outdoors shall be protected by screens, louvers or grills sized not less than _________ and not larger than _________.
1/4 inch
1/2 inch
M 501.3.2
__________ __________ shall be provided for both intake and exhaust ducts to minimize flow when the ventilation system is off. Except for passive makeup air.
backdraft dampers
RE 403.5.10 and M 501.4.2
Any piping located ___________ of the ____________ space needs to be insulated with minimum R-3.
outside
conditioned
RE 403.4.2 #4
Piping from the water heater to the ___________ __________ must be insulated with a minimum R-3.
distribution manifold
RE 403.4.2 #5
All ventilation intake and exhaust outlets shall include permanent, weather resistant ___________ ___________ on the building’s exterior.
identification labels
RE 403.5.15
Return air openings shall not be located less than __________ from an open combustion chamber or draft hood of another appliance located in the same room.
10 feet
M 601.5 #1
Return air shall not be taken from a _________, ___________, toilet room, __________, garage, boiler room, furnace room or unconditioned attic.
closet
bathroom
kitchen
M 601.5 #7
You may take return air from a kitchen as long as the return is located at least ____________ away from the cooking appliances.
10 feet
M 601.5 Exception #1
The supply and return ducts shall be separated by ______ the __________ dimension of the basement to avoid short circuit of air circulation.
1/2
diagonal
RE 403.5
All conditioned levels, conditioned unfinished basements, and conditioned crawl spaces shall have a minimum of 1 ________ ________ and 1 _________ _________.
supply duct
return duct
(RE 403.5)
Floor registers shall resist, without structural failure, a _______-pound concentrated load on a ____________ diameter disc.
200-pound
2 inch
M 603.18.1
Makeup air intakes shall be located at least ____________ above adjoining grade level and be provided with a ___________ corrosion resistant screen.
12 inch
1/4 inch
M 501.4.2.2
_________ air opening shall not terminate in the ________ ______ plenum of a forced air heating system unless the appliance manufacturer’s installation instructions says they can.
Makeup air
return air
M 501.4.2.4
Makeup air and combustion air openings to the outdoors are required to be what?
separate
M 501.4.2.5
Passive openings for makeup air supply larger than ___________ shall be provided with a motorized damper.
8 inches
M 501.4.2 #1.3
Powered makeup air shall be provided if the size of a single opening or multiple openings collectively exceeds what?
11 inches
M 501.4.2 #2
If a flexible duct is used for combustion air it shall be ___________ with minimum _________.
stretched
sags
FG 304.11
If a flexible duct is used for makeup air, increase the diameter of the flexible duct by what?
1 inch
M Table 501.4.2 Exception f
If a flexible duct is used for combustion air, increase the diameter of the flexible duct by what?
1 inch
FG Table 304.1 Exception #2
The minimum dimension for combustion air openings shall not be less than what?
3 inches
FG 304.6
For natural draft appliances, ______ permanent opening for combustion air shall commence within ___________ of the bottom of the enclosure.
one
12 inches
FG 304.6.2
Combustion air ducts shall terminate where?
in an unobstructed space
FG 304.11 #2
Combustion air ducts shall serve what?
a single space
FG 304.11 #3
Vertical combustion air ducts shall not extend through ______ or more stories without what?
2
prior approval
FG 304.11 #7
Combustion air intake openings shall be located at least ___________ above adjoining grade level.
12 inches
FG 304.11 #10
In residential areas they can use __________ for conveyance of return air.
corridors
M 601.2 Exception #2
Non-motorized louvers and grills for ventilation (return air) shall be fixed in the what?
open position
FG 304.10
Where design and free area of grilles are not known, it shall be assumed that wood louvers will have ______ free area and metal louvers and grills will have _______ free area.
25%
75%
FG 304.10
Return air or supply air for the residential furnace shall not be taken or given from a ________. Unless it has a ___________ _______ system serving such space.
garage
dedicated HVAC
M 601.5
Air exhausted shall not exhaust into an _______ or _______ _______ and the exhaust system shall be equipped with a __________ _________ at point of discharge.
attic
crawl space
backdraft damper
M 501.3
All exhaust outlets shall be _________ from property lines, _________ from operable openings, and ____________ from mechanical air intakes.
3 feet
3 feet
10 feet
M 501.3.1
Dryer exhaust ducts shall have a __________ __________ installed, not a screen.
backdraft damper
M 504.4 and FG 614.4
Dryers capable of exhausting more than ______ cfm shall be provided with makeup air not less than _______ sq inches.
200 cfm
100 sq in
M 504.6 and FG 614.6
Where a closet is designed for the installation of a clothes dryer an opening not less than _______ square inches shall be provided in the enclosure or ________ _____ air shall be provided.
100 square inches
Make up air
M 504.6 and FG 614.6
Domestic clothes dryer exhaust ducts shall be a nominal size of _____ inches in diameter and be ____________ in size.
4 inches
undiminished
M 504.8.1, FG 614.8.1 and FG 614.4.1
Dryer duct can be a maximum ______ feet transition duct but must be connected to a hard piping duct and cannot be ___________ in construction.
8 feet
concealed
M 504.8.3 and FG 614.8.3
If the dryer duct is longer than ______ feet it must be identified on a label or tag within _____ feet of duct connection.
35 feet
6 feet
M 504.8.5
FG 614.8.5
Exhaust ducts for domestic cooking shall be _____________ of all other exhaust systems, be __________, and shall discharge to the outdoors with an approved backdraft damper.
independent
airtight
M 505.3
Insulation of ducts is only required in the conditioned space for _____ feet from the exterior or unconditioned space.
3 feet
RE 403.2.1 Condition a.
External duct insulation, except spray foam and flexible duct, shall be identified every ______ inches with the name of the manufacturer, the __________ and specified installed thickness and flame spread index.
36 inches
R-value
M 604.7
Round metallic ducts must be mechanically fastened with not less than _____ sheet metal screws or rivets spaced equally. If unattainable, use 3 screws spaced enough to not create a ________ effect.
3 sheet metal screws
hinge effect
M 603.4.1 with Exception
Building framing cavities shall not be used as what?
ducts or plenums
RE 403.2.3
Outdoor air shall be delivered through a forced air circulation system (furnace), separate _______ system, or individual _________. If separate duct or individual inlets air shall be tempered to not less than _____ degrees.
duct
inlets
40 degrees
RE 403.5.6.1.1 and RE 403.5.6.1.2
Outdoor air intakes and exhausts shall have automatic or gravity ___________ that close when the ventilation system is not operating, except for ________ and _______ fans.
dampers
kitchen
bath
RE 403.5 with Exception
Heat-producing equipment and ducts connecting to the furnace shall have a clearance to combustibles in accordance with the _____________ ___________ _____________. Clearance to combustibles shall consider ________ ________, _________ _______, overhead projections or shelving and window swing.
manufacturer’s installation instructions
door swing
drawer pull
M 603.11, M 304.9, and FG 305.8
There shall not be less than _____ inch between clearance reduction systems and combustible walls and ceilings for reduction systems using a __________ __________.
1 inch
ventilated airspace
FG Table 308.2 Exception e
There shall not be less than _____ inch between the appliance and the protector.
1 inch
FG Table 308.2 Exception i
Where a wall protector is installed for clearance reduction of combustibles the wall protector needs a _____ inch air gap with the _____ and _________ open, or the sides and top open, or all edges left open.
1 inch
top
bottom
FG Table 308.2 Exception f
Protective assemblies, like a finished wall, shall not be placed less than ______ inch from the mechanical appliances, devices, or equipment.
1 inch
M 308.3
Supply air ducts connected to furnaces need the same clearance to combustibles as required for the furnace supply plenum for a distance not less than ____ feet. After _____ feet clearance is ______ ___________.
3 feet
3 feet
not required
FG 308.3.4
Kitchen exhaust hoods capable of exhausting more than _______ cfm shall be provided with _________ ______.
400 cfm
makeup air
M 505.4
Outdoor AC units (and other outdoor equipment) must be on a _______ surface, at least _____ inches above the finished grade or suspended not less than _____ inches above adjoining grade.
level
3 inches
6 inches
M 304.10
FG 305.7
Outdoor AC units must have ________ _______ on the refrigerant lines unless located on roofs with locked access hatches.
locking caps
M 1101.10
Refrigerant piping that crosses an open space shall not be less than _____ foot _____ inches above the floor unless on the ceiling.
7 foot
3 inches
M 1107.2
Refrigerant piping needs to be protected by an approved manner, to prevent ____________ damage to the building or electrical usually by ___________ the low-pressure refrigerant line.
condensation
insulating
M 1107.4
Mechanical piping capable of carrying fluids above ______ degrees, or below ______ degrees shall be insulated to a minimum of R-3.
105 degrees
55 degrees
RE 403.3
Insulation of the low-pressure refrigerant line outdoors exposed to weather shall be __________ from the elements that can cause ____________. Adhesive tape shall not be permitted.
protected
degradation
RE 403.3.1
Copper tube used for refrigerant shall be _________ copper tube of Type ______ (hard or annealed).
seamless
ACR
M 1107.5.3
Heating and air conditioning systems shall be provided with approved what?
air filters
M 605.1
Appliances located in ________ garages shall be installed with a minimum clearance of _____ feet above the floor unless protected by motor vehicle impact.
private
6 feet
FG 305.5
Suspended-type unit heaters shall be supported by hangers and brackets designed to accommodate the ________ and be of _______________ material.
weight
noncombustible
M 920.2
Appliances located in private garages having an ignition source shall be elevated not less than ______ inches above the floor unless listed as flammable ________ ___________ ___________.
18 inches
vapor ignition resistant
FG 305.3 and M 304.3
Furnaces and boilers installed in _________ or _________ shall be listed for such installation.
closets
alcoves
FG 303.5
Fuel fired appliances shall have a permanent factory-applied nameplate which shall have the manufacturer’s name, the ________ number, _________ number, BTU/hr, type of _______ approved, and the minimum ____________.
model number
serial number
fuel approved
clearances
FG 301.5
Ducts installed in locations subject to damage by vehicles or other means shall have what?
approved barriers
M 603.15 and FG 303.4
Fuel fired appliances shall not be in, or obtain combustion air from __________ rooms, ____________, _________ rooms, or storage closets.
sleeping rooms
bathrooms
toilet rooms
M 303.3
Forced air furnaces return or outdoor air shall not be taken from a hazardous or insanitary location, a _________, bathroom, _______ room, kitchen (where return is within 10’ of cooking appliances), _________, furnace room, unconditioned ________, or a crawl space unless its a transfer grill.
closet
toilet room
garage
attic
FG 618.3 #1 through #7
Domestic cooking appliances shall be _______ and _________ as domestic cooking appliances, not commercial.
listed
labeled
FG 623.3
A vent hood shall be provided for domestic ________ ______ ________ units with a clearance to combustibles of ____ inches, be at least as wide as the open top broiler unit, and be centered over the unit.
open top broiler
24 inches
FG 623.5 and 623.5.1
Domestic ranges set on combustible floors shall be set on their own ________ or _______.
bases
legs
FG 623.4
Household cooking appliances shall have a vertical clearance of not less than _____ inches to combustible material and metal cabinets, unless there is a microwave over it or combustible material or metal cabinet is protected with _____ inch millboard with sheet metal. Then clearance can be reduced to ______ inches.
30 inches
1/4 inch
24 inches
FG 623.7 #1 through #3
Uninhabited spaces like a crawl space and attic shall be provided with ___________ ventilation up to the Building Code, or mechanical exhaust and supply that is automatically controlled when humidity reaches ______% in the space.
natural ventilation
60%
M 406.1
The gas shut off valve for an appliance shall be within ____ feet of the appliance and shall be installed __________ of the union.
6 feet
upstream
FG 409.5.1
Appliances shall be __________ and connected to the piping so as to not exert undue ________ on the connections.
supported
strain
FG 305.12
A ________ fitting shall be provided for appliances on rigid metallic pipe within _____ feet of the appliance.
union
6 feet
FG 411.1.6
Gas shut off valves installed on tubing systems shall be __________ and securely supported (such as fireplace valves) ____________ of the tubing.
rigidly
independent
FG 409.7
Interior spaces intended for occupancy shall be provided with an active space-heating system capable of maintaining an indoor temperature of not less than what?
68 degrees F
M 309.1
A means of _________ shall be provided to the heat exchanger and other components of the _______ for service and repair.
access
ERV
M 514.3
The continuous ventilation rate shall not be less than ______ cfm and shall provide continuous average cfm rate according to table RE 403.5.2 or equation RE 403.5.2 for every ____ _________ period.
40 cfm
1 hour
RE 403.5.3
Rooms containing appliances in dwellings must be provided with an unobstructed passageway _____ inches wide and large enough to allow the removal of the _________ __________ in the space. (M 306.2 Exception) (FG 306.2 Exception)
24 inches
largest appliance
M 306.2 Exception and FG 306.2 Exception
Pipe hangers and supports shall be of approved material that are compatible with the piping that will not promote what?
galvanic action
M 305.2
Sediment traps for gas lines can be of ______ length but must be present ___________ of the gas and be installed as close to the ______ of the appliance as practical.
any
downstream
inlet
FG 408.4
Illuminating appliances, ranges, clothes dryers, decorative vented appliances for installation in vented fireplaces, gas fireplaces, and outdoor grills do not need a what?
sediment trap
FG 408.4
Gas piping shall not penetrate building foundation walls at any point where?
below grade
FG 404.6
Gas piping shall enter and exit a building at a point _______ _______ and the space between the pipe and the wall shall be _________.
above grade
sealed
FG 404.6
Gas piping within ______ inches of the framing member for gas shall be protected by steel nail plates and boca plates at top and bottom plates.
1 1/2 inches
FG 404.7.1
Gas piping passing through an outside wall shall be protected against __________ by a _________ or wrapping.
corrosion
coating
FG 404.9
Gas lines for fuel appliances shall have an approved shut off valve installed _________ of the union, within _____ feet of the appliance to be serviced before any other branches and without shutting off the entire gas to the home.
upstream
6 feet
FG 409.5.1
Where the appliance shut off valve is located at a manifold, it shall be located within _____ feet of that appliance and shall be readily ___________ and permanently identified.
50 feet
accessible
M 409.5.3
Shutoff valves shall be prohibited in ____________ locations and furnace plenums.
concealed
FG 409.1.2
Plastic gas piping shall be installed ___________, ______________ only.
outdoors
underground
FG 404.17.1
CSST (corrugated stainless steel tubing) gas piping must be listed as _______ ___________ stamped with _____. If not, it must be bonded to an electrical service grounding system or lightning grounding electrode system with 6 AWG copper wire not exceeding ______ feet to metallic pipe, fitting, or CSST fitting.
arc resistant
AR
75 feet
FG 310.2, 310.2.1, 310.2.2 and 310.2.3
Other than steel gas pipe, exposed gas piping shall be identified by a yellow label saying “_______” every _____ feet where not in the same ________ as the appliance.
“gas”
5 feet
room
FG 401.5
Piping from multiple gas meter installations shall be marked with an approved permanent identification by the __________.
installer
FG 401.7
A single gas meter, serving multiple units shall have a ______ _______ ______ valve for each separate line outdoors to each __________ ______, and each gas shut off valve shall be plainly marked with an identification tag for each unit supplied.
gas shut off
individual unit
FG 409.3, 409.3.2, and 409.3.3
Concealed gas piping shall not be located in _______ partitions or walls unless in a _______ or a ________.
solid
chase
casing
FG 404.4
Fittings in concealed locations shall be limited to threaded _________, ________, and couplings, brazed fittings, and _________ fittings. Not __________.
elbows
tees
welded
unions
FG 404.5 #1 through #4
______ and ________ shall not be used to supply fuel gas.
PVC
CPVC
FG 403.6
_______-______ pipe shall not be used for gas.
cast-iron
FG 403.4.1
Steel and wrought-iron pipe for gas shall not be lighter than what?
Schedule 40
FG 403.4.2
Copper and copper alloy shall not be used for gas piping if it contains more than ______ grains of hydrogen sulfide per _______ standard cubic feet.
0.3 grains
100 standard cubic feet
FG 403.4.3
Defective pipe tubing and fittings for gas piping may not be _________ and must be _________.
repaired
replaced
FG 403.7
Gas piping passing through ___________ or other abrasive material shall be ___________ with a coating or a sleeve. Steel pipe outdoors shall be coated with a corrosion resistant material or be ___________.
concrete
protected
galvanized
FG 403.8
Piping installed _____________ of the point of delivery shall not extend through any ____________ unit other than the units served by such piping.
downstream
townhouse
FG 404.3
Gas piping systems shall be provided with a _______ __________ _______ before the first branch line in the first available location within the building _____ feet or less above the floor.
main shutoff valve
5 feet
FG 409.1.4
A __________ _________ shall be located immediately ahead of each MP regulator.
shutoff valve
FG 409.4
A “____” fitting shall be installed between the MP regulator and its upstream _________ ________ to serve as a sediment trap.
“T”
shutoff valve
FG 410.2 #5
Where connected to rigid piping a _________ shall be installed within ____ foot of either side of the MP regulator.
union
1 foot
FG 410.2 #7
Gas regulators shall be installed in the ___________ position unless vented ____________ to the outdoors.
horizontal
separately
FG 410.3 and Installation Instructions
Must vent pressure regulators to the _________ of the building with an independent vent, unless the regulator has a _______ __________ installed on the device.
outside
vent limiter
FG 410.2 and Exception and 410.2 #4
Make sure all gas lines are __________ properly and have passed the pressure test per inspection record sheet. Match up the ones that are present, with the ones listed. Any __________ or _________ to the piping also need to be tested.
labeled
alterations
repairs
FG 406.1 and 406.1.2
Any ______ gas lines installed need to be _____ tested. Only the new gas lines need to be pressure tested, not the whole system again.
new
air
FG 406.1.3
Where gas piping is within ______ inches from the framing member through a hole it must have a shield plate that extends not less than ______ inches to each side of the framing member.
1 1/2 inches
4 inches
FG 404.7.1
Test pressure of gas lines shall not be less than ______ psig and shall be within the middle _____ percent of the test gauge.
25 psig
50 percent
M 406.4.1 and 406.4.3 and FG 406.4.3
A ______ ________ shall not be subjected to the gas test pressure unless specifically designed to withstand the ___________.
gas valve
pressure
FG 406.1.4
Oxygen shall not be used as a testing medium. Only _____, _________, _________ _________ or inert gas.
air
nitrogen
carbon dioxide
FG 406.2
Countersunk cleanout ________ shall be installed where raised heads would cause a __________.
plugs
hazard
P 707.12
Cleanouts shall be permitted to be omitted on a horizontal drain less than ______ feet in length, unless that line is serving _______ or ________.
5 feet
sinks
urinals
P 707.4 Exception #1
Where the gas piping system has appliances and equipment attached (such as regulators), they should be _________ and _________ during the pressure test.
isolated
capped
FG 406.3.3
Gas connectors for appliances made up of semi rigid metallic piping shall not exceed _____ feet and shall be located entirely in the same _________ as the appliance.
6 feet
room
FG 411.1 #3
Gas connectors shall be installed so as to be protected from what?
physical damage
FG 411.1.2
Gas connectors shall have an overall length not to exceed 6’ unless it is made up of what?
rigid metallic pipe
FG 411.1.3.1
Gas connectors shall not be __________ within, or extend through walls, _______, partitions, ________ or appliance housings. You may extend through an appliance housing with rigid steel pipe connectors or semi rigid connectors if protected from damage.
concealed
floors
ceilings
FG 411.1.3.3 with Exceptions
A gas _______ ______ __________ shall be installed ahead of the gas connector.
shut off valve
FG 411.1.3.4
Vents for gas appliances that go through holes or notches in framing members shall be protected by shield plates within _______ inches of the member.
1 1/2 inches
FG 502.7
The size of a chimney or vent serving a single appliance shall have a minimum area equal to the area of the what?
appliance connection
M 801.6
Type B or L gas vents shall terminate vertically not less than ______ feet in vertical height above the __________ connected appliance draft hood or flue collar.
5 feet
highest
FG 503.6.6
Type B and L vents shall extend in a generally __________ direction with offsets not exceeding 45 degrees, except a vent system having not more than one _______ degree offset shall be permitted.
vertical
60 degree
FG 503.6.10.2
Screws, rivets, and fasteners shall not penetrate the ________ _______ of double wall gas vents such as type B vents. Except at the connection of a flue collar or connector.
inner wall
FG 503.6.14
Type L vent shall terminate with a listed and labeled cap in accordance with the what?
manufacturer’s installation instructions
M 802.4
Type L vents shall terminate not less than _____ feet above the highest point of the roof termination and not less than ____ feet higher than any portion of the building within _____ feet.
2 feet
2 feet
10 feet
M 802.5
The total horizontal distance of a vent plus the horizontal vent connector shall not be greater than _____% of the vertical height of the vent.
75%
FG 503.6.10.2 and M 803.10.2
The maximum vent connector horizontal length shall be _____ feet for each inch of connector diameter.
1 1/2 feet
FG Table 504.3.2
The vent connector shall extend to the inner face of the chimney or vent liner, but not what?
beyond
M 803.10.3
The vent connector shall not be smaller than the size of the _______ _________ supplied by the manufacturer of the appliance.
flue collar
M 803.3
The vent connector for category I appliances shall not be more than ____ sizes greater than the flue collar or draft hood outlet diameter.
2 sizes
FG 504.2.11
Vent connectors shall rise vertically to the chimney or common vent with a minimum pitch of _____ unit vertical to ______ units horizontal (2%) slope.
1/4 unit
12 units
M 803.10.5 and FG 503.10.7
Vent connectors shall be located entirely within the ________ in which the connecting appliance is located.
room
M 803.2
Where a vent connector is passing through an unheated space it shall not be constructed of what?
single wall metal pipe
M 803.2
Vent connectors that serve natural draft appliances shall not be connected to any portion of mechanical draft systems under __________ ___________.
positive pressure
FG 503.3.3 #4
A gas vent that is connected to 2 appliances with draft hoods the area of the vent shall not be less than the area of the larger draft hood outlet plus ______ of the area of the smaller draft hood outlet and not greater than ____ times the smaller draft hood outlet.
50%
4 times
FG 503.6.10.1 #3
Vent terminals and air intakes shall be located not less than _____ inches above the finished ground level.
12 inches
FG 503.8 #3 and M 804.3.4 #6
Mechanically vented vents shall terminate not less than _____ feet above any forced air inlet located within _____ feet.
3 feet
10 feet
M 804.3.4 #2
Mechanically vented systems shall terminate not less than ____ feet below, _____ feet horizontally from or ____ foot above any door, window or gravity air inlet (ventilated soffit).
4 feet
4 feet
1 foot
M 804.3.4 #3 and FG 503.8 #2
Mechanically vented vents termination shall not be located closer than _____ feet to an interior corner formed by two walls _______________ to each other.
3 feet
perpendicular
M 804.3.4 #4
The termination of vents with power exhausters (kitchen hoods) shall be located not less than ______ feet from the lot line or adjacent buildings.
10 feet
M 804.3.3
Vertical terminations for mechanically vented systems shall be _____ feet away from any part of the roof structure it is below, _____ feet above any forced air inlet within 10’, and not less than _____ feet horizontally from any part of the roof structure.
3 feet
3 feet
3 feet
M 804.3.5
Chimneys for residential or low heat appliances shall extend not less than _____ feet above the highest point they pass through the roof and not less than _____ feet higher than any portion of a building within 10’.
3 feet
2 feet
FG 503.5.4
Gas vents that are ______ inches or less in size and located not less than 8’ from a vertical wall or similar obstruction shall terminate through the roof in accordance with figure FG 503.6.5.
12 inches
FG 503.6.5 #1
Gas vents shall terminate not less than ____ feet above any forced air inlet within 10’.
3 feet
FG 503.6.8
Vents for residential appliances shall be Type ____ or Type ____ vent.
Type L
Type B
FG 503.10.2.3 #1
Vents that terminate vertically shall have a complying ______ ______ to prevent rain from entering the system.
vent cap
M 804.3.5 #5
Where vents pass through an attic space they shall have a steel shield with clearance specified by the vent and shall terminate not less than _____ inches above the insulation materials.
2 inches
FG 502.4
Where vents pass through insulation an insulation shield shall be provided made of not less than _________ gage steel sheet metal and extending not less than _____ inches above the insulation materials and secured.
No. 26
2 inches
M 802.8
Abandoned inlet openings in chimneys and vents shall be closed by an __________ method.
approved
M 801.8
Vents shall terminate not less than _____ feet in vertical height above the highest connected appliance _______ _________ unless manufacturer’s installation says differently.
5 feet
flue collar
M 802.6
Where the size of the vent connector is increased to obtain connector capacity equal to appliance input, the size increase shall be made at the appliance’s what?
draft hood outlet
FG 503.10.3.5
Where 2 or more vent connectors enter a common single vent, the smaller connector shall enter at the _________ level, with available headroom and clearance to ______________.
highest
combustibles
FG 503.10.4 and M 803.7
Appliance connections to a vent with a power exhauster shall be made on the _______ side of the exhauster, not _______. If on the _______ it shall be listed for such installation in the manufacturers instructions. The vent for the powered exhaust shall be ________ to prevent flue gas leakage.
inlet
outlet
outlet
sealed
M 801.14 and FG 501.10
A draft hood or a barometric draft regulator shall be installed on or in the same room or enclosure as the appliance served to prevent difference in ______ within the room, or difference in the hood or regulator and __________ _____ supply.
air
combustion air
FG 304.3 and FG 503.12.5
For a single wall ventilation pipe for gas appliances, wherever it penetrates through the roof of combustible material it should have a complying non ventilated thimble that extends not less than ______ inches above and _____ inches below the roof.
18 inches
6 inches
FG 503.7.5
A single wall metal pipe shall not pass through a combustible exterior wall unless guarded by a ventilated metal thimble. For appliances with draft hoods and listed for use with Type B gas vents, the thimble shall be not less than _____ inches larger than the pipe. The thimble shall be _____ inches larger than the diameter of the vent if the run is 6 feet or less, _____ inches larger for residential and low heat appliances. Or remove combustibles.
4 inches
2 inches
12 inches
FG 503.7.7 #1 through #3
Single-wall metal pipe shall be used only for runs directly from the space in which the appliance is _________ through the roof or exterior wall to the ___________.
located
outdoors
FG 503.7.4
Uninsulated single wall metal pipe shall not be used __________ for venting.
outdoors
FG 503.7.2
Appliance and equipment vent terminals shall be located so doors don’t swing within ______ inches horizontally.
12 inches
FG 502.7.1
A __________ fireplace door shall not be installed on a factory built fireplace unless labeled for such a use by UL 127.
gasketed
M 903.4
The hearth extension for factory built fireplaces shall be readily _______________ from the surrounding floor area.
distinguishable
M 903.2
Condensate disposal shall maintain a horizontal slope of at least _____ unit vertical to _____ units horizontal or 1% to an approved place of disposal.
1/8 unit
12 units
M 307.2.1 and 307.1 and FG 307.2
Condensate discharge lines shall be of ____________ __________ material.
corrosion resistant
M 307.1 and FG 307.3
All other coil units that do not have a separate overflow drain, a secondary drain or provisions to install a drain pan, shall be equipped with a what that will shut off the equipment when the primary drain is restricted?
water-level monitoring device
M 307.2.3.1
Condensate drains shall be _________ as required by the manufacturer.
trapped
M 307.2.4 and FG 307.4
Ductless mini-split systems shall be provided with an inline ________ ________ or a _______ where they produce condensate.
check valve
trap
M 307.2.4.1
Condensate waste and drain lines shall not be less than ______ inch internal diameter and shall not decrease in size.
3/4 inch
M 307.2.2 and FG 307.3
Carbon monoxide alarms shall be installed in new and existing bedrooms containing a _____________ appliance or attached to a room with a fuel burning appliance that controls environmental conditions. Otherwise, _____ feet outside each sleeping area or bedroom and each _______ with a sleeping area or bedroom.
fuel-burning
10 feet
level
M 313.1 and FG 311.1 and MN Rules Chapter 1309
Where 2 or more openings are provided in one chimney or vent for connectors, the openings shall be at different ________. Or, the connectors shall be attached to the vertical portion of the chimney or vent at an angle not more than ______ degrees relative to vertical.
levels
45 degrees
FG 503.10.4.1
Each pressure relief valve shall be set at a pressure of not less than ______ psi.
150 psi
P 608.4
