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Rev 1.3.21 UPC Chapter 11 Storm Drainage Quiz Student Copy

Quiz 11. UPC Chapter 11 Storm Drainage governs

the materials, design and _______ of stormwater drainage systems.

inspection manufacturing installation overview utilization

2. A _____ is an exterior vertical drainage pipe for conveying stormwater from the roof or gutter drains.

soil stack catch basin sanitary drain leader storm drain

3. _______ system is designed to collect rainwater runoff, domestic sewage and industrial wastewater.

A combined sewer A free-for-all An unrestricted water A stormwater drainage An archaic piping

4. It is permissible for the rainwater drainage from a rooftop to drain into a location other than a separate or combined storm sewer system.

No, this is not permitted. Yes, this is permitted only if

neither type of storm sewer system is available.

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No, this is not permitted unless the drainage system was installed prior to 1990.

Yes, it is possible to drain to some other place of disposal satisfactory to the AHJ.

Yes, this is permitted only for upgrades to existing drainage systems.

5. In the case of a single-family dwelling, it is permissible to drain stormwater onto a lawn.

Yes, provided the water flows away from the building and does not create a nuisance.

No, this is not permitted. Yes, this is recommended,

provided that both properties have the same owner.

No, this is not permitted without pre-approval from the AHJ.

Yes, this is permitted if there is nowhere on the property for the water to drain.

6. It is permissible for stormwater to be drained into sanitary sewers.

No, this is not permitted. Yes, it is permitted only if there

is no other suitable drainage location for the stormwater.

No, this is not permitted unless a licensed professional engineer has deemed it necessary.

Yes, it is permitted if the sanitary sewer is designed for double the capacity.

Yes, it is permitted, but only if the stormwater drainage system has reached capacity.

7. The material and design of pipes selected for conveying rainwater must _______ to the satisfaction of the AHJ.

be cost effective have extremely high durability

ratings

blend into their surroundings be versatile perform their intended function

8. Stormwater conductors _______ shall be made of cast iron, copper, lead, wrought iron, Schedule 40 ABS DWV or other approved materials.

installed above ground within a shaft below ground entering a detention pond adjacent to a vent

9. Stormwater drainage pipe changes of direction must be _______.

no closer than 12 inches from another change of direction

in accordance with Chapter 14 Firestop Protection

installed in such a way as to slow the flow rate of the water

in accordance with the requirements of UPC Section 706.0

avoided unless absolutely necessary

10. Materials exposed within ducts or plenums in other than single-family dwelling units must have a flame-spread index _______.

of 25 or less that is lower than their smoke-

developed index of not more than 50 that is suitable for

environmental air spaces of at least 25

11. _______ copper and copper alloy pipe and tube shall be installed in accordance with Section 705.3.

Changes of direction in Caps and fittings for Changes in elevation of Joints and connections in Underground systems of

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12. Storm drainage conductors installed aboveground in buildings shall be in accordance with the standards referenced in Table 701.2 for _______.

building sewer applications aboveground drain, waste and

vent pipe copper and copper alloys (Type

DVW) underground installations PVC Schedule 40

13. Co-extruded PVC storm drainage pipes installed along the ceiling in a building must be in accordance with _______.

ASME B16.23 ASTM D2665 ASTM F628 CISPI 301 ASTM F891

14. Stormwater drainage conductors installed aboveground shall be of Type DWV copper drainage tube.

Yes, this is correct. No, this is not permissible. Yes, Type DWV copper is

permissible, but there are also other permissible conductors.

Yes, provided the copper tube is compliant with ASTM B43.

No, Type DWV copper drainage tube is preferred for underground installations.

15. Leaders installed outside may be fabricated from _______.

machined cast iron galvanized steel sheet metal extra strength vitrified clay galvanized malleable iron copper or copper alloy tubing

16. Underground building storm drains shall comply with _______ for underground drain, waste and vent pipe.

the applicable standards in Table 701.2

the manufacturer’s installation recommendations

the design engineer’s requirements

all requirements the building owner’s

preferences

17. It is permissible for a building storm sewer to convey liquid wastes other than rainwater.

No, this is not permitted. Yes, this is allowable, provided

the other wastes are not sewage.

No, this is not permitted without pre-approval from the AHJ.

Yes, this is acceptable. Yes, this is permitted, provided

the other wastes are not toxic.

18. Subsurface water may be collected and conveyed to a disposal location by a _______.

seepage collection vessel rainwater leader subsoil drain stormwater sponge subsurface drain

19. A vitrified clay subsoil drain must be _______.

open jointed installed in accordance with

ASTM D2729 buried beneath no less than 14

inches of earth perforated open jointed, perforated or

both

20. Stormwater drainage expansion joints or sleeves must be provided where _______.

conductors are installed under roadways

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subsoil drains cross the frost layer

sewers are made of rigid pipe and fittings

necessary due to temperature variations or physical conditions

conductors cross from inside of buildings to outside

Quiz 21. Subsoil drains must be installed around

the perimeter of buildings having basements, cellars, crawl spaces or floors _______.

below grade that are likely to flood under construction in wet

locations located within 50 feet of a body

of water where the soil is not sufficiently

porous to drain well on its own

2. Perforated subsoil drain piping laid in crushed rock must have no less than _______ of the crushed rock surrounding the pipe.

2 inches 4 inches 12 inches 6 inches 14 inches

3. Subsoil drainage shall be piped to _________.

a storm drain an approved water course a street curb an alley any of the above

4. It is permissible to use a concrete gutter to route the discharge from a subsoil drain to an alley.

No, it is not acceptable to discharge stormwater into an alley.

Yes, this is permitted, provided the concrete gutter is no less than 4 inches in diameter.

Yes, this is permitted, provided the discharge runs to open-jointed rain tiles in the alley.

Yes, this is acceptable. Yes, this is allowed for alleys

with existing storm drains.

5. What is required if one encounters continuously flowing groundwater during the installation of subsoil drain pipe?

Continue with the installation, adding extra perforations to the pipe in this area.

Direct the subsoil drain pipe to a storm drain or approved water course.

Terminate the piping at this location.

Run a concrete gutter through this location, then proceed with the installation.

Increase the 4 inches of porous rock surrounding the pipe to 12 inches or more.

6. Where it is not possible to convey the discharge by gravity, subsoil drains must discharge to _______ provided with an approved automatic electric pump.

an approved underground water course

a below-grade sanitary sewer system

a tank or pit a French drain an accessible sump

7. The minimum required dimensions of a subsoil drain sump are _______.

10 inches diameter and 18 inches deep

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8. The discharge piping from a sump pump must be _______.

at least 1-1/2 inches in diameter

no more than 18 inches below grade

at least 2 inches in diameter readily accessible extended to an above-grade

level

9. The concrete splash block for the drainage from a sump discharge pipe must be at least _______ inches in length.

8 16 24 32 36

10. It is mandatory to install _______ in a subsoil drain line that discharges into a storm drain if the drain line is subject to backflow.

a backwater valve a quick-disconnect device a shutoff valve an expansion joint a gate valve

11. Drains that serve subsoil drains or areaways of detached building may discharge to a properly graded open area unless _______.

the neighbor doesn’t approve it the plumber doesn’t approve it they’re serving a flowing spring the flow is blocked by large tree

or shrub none of the answers provided

12. A detached building areaway drain must discharge _______ or to a properly graded open area.

adjacent to a fence at least 10 feet from a property

line to a drainage easement through the perforations in the

pipe parallel to the nearest property

line

13. If it is impracticable for a subsoil drain to discharge to a storm drain, approved water course, front street curb or gutter, or to an alley, _______.

the property owner must request an exemption

the local soil must be amended to handle the discharge flow

it may discharge to a properly graded open area

it must discharge to a sump tank or pit

the property owner must obtain a drainage easement

14. Building subdrains below the public sewer level shall discharge _______.

onto a properly graded open area

into a subsurface water course up onto grade level into the nearest sanitary sewer into a sump or receiving tank

15. The subsurface space of a stairwell for a building’s basement entrance must have _______.

crushed rock around the drain area

a grade leading away from the stairs

a semi-porous surface material a drain or drains any of the answers provided

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16. Cellar entrance areaways measuring less than 100 square feet must have a drain of at least _______.

2 inches radius 2% of the subsurface area 2 inches in diameter 2 inches by 2 inches 2 square inches

17. The drain for a subsurface areaway measuring 10 feet by 20 feet is permitted to drain into a subsoil drain.

No, this is not permitted. Yes, this is permitted because

the areaway does not exceed 200 square feet.

No, this is not allowed unless it is impracticable to drain to another approved location.

Yes, this is allowed provided the subsoil drain discharges to a graded open area.

No, this is only allowed for areaways with more than one drain.

18. A subsurface areaway basement entrance measuring 1500 square feet with 1/8-inch-per-foot slope in a location receiving up to 5 inches per hour of rainfall must have a drainpipe size of _______ diameter.

at least 3 inches at least 4 inches no more than 4 inches at least 5 inches no more than 5 inches

19. A subsurface areaway of 110 square feet with ¼-inch-per-foot slope in a location that receives rain at a rate of less than 1 inch per hour must have a drainpipe size of _______ diameter.

at least 2 inches 3 inches maximum 3 inches minimum no more than 2.5 inches at least 2.5 inches

20. A window areaway up to _______ shall be permitted to discharge into a 2-inch subsoil drain.

8 square feet in area 5 feet by 5 feet 2 feet by 2 feet 10 square feet in area 12 square feet in area

21. A subsurface window areaway of 22 square feet with 1/8-inch-per-foot slope in a location that receives rain at a rate of up to 2 inches per hour must have a drainpipe size of _______ diameter.

3 inches maximum at least 2 inches at least 4 inches 3 inches minimum no more than 2.5 inches

Quiz 31. The paved areas at a public filling

station _______. are required to drain to an

approved water course must be sloped toward sumps

or gratings within the property lines

larger than 400 square feet must have a drain installed

smaller than 1000 square feet may drain to an unpaved area filled with crushed rocks

do not require a drain provided they slope toward a curb or gutter storm drain

2. Where the drainage at a motor vehicle washing establishment needs to be directed to a sump, the UPC may require the establishment to _______.

reduce the amount of waste water they produce

first discharge the water to a properly graded open area

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install curb and gutter drains install 6-inch or taller curbs to

direct the water replace some paved areas with

crushed rocks

3. If a newly constructed building and parking area create surface water drainage, the sumps and drains must be piped _______.

to a storm drain or approved water course

around the edges of the parking area

onto a properly graded open area

to a subsoil drain to the nearest sanitary sewer

4. Vertical rainwater piping must be_______.

round rectangular square any of the answers provided none of the answers provided

5. The location and sizing of roof drains and gutters _______.

must be coordinated with the aesthetic style of the roof

is determined by Table D 101.1 is dependent solely on the size

and pitch of the roof must be coordinated with the

pitch and design of the roof depends on the porosity of the

roof covering

6. Roof drains, gutters, vertical conductors and leaders, and horizontal storm drains for primary drainage must be sized based on a storm of 60 minutes duration and 100-year return period.

Yes, this is correct. Yes, this is how to find the

minimum size, but it’s always better to size larger.

Yes, unless the AHJ has other requirements.

Yes, unless the location in question is below sea level.

No, this is not correct.

7. Secondary roof drainage shall be provided by an open-sided roof or scupper(s) where the roof perimeter construction _______.

allows the water to drain off freely to prevent ponding

extends above the roof in such a manner that water will be entrapped

is completely surrounded by gutters so that no water can overflow the roof edges

extends beyond the roof such that water will drain down without touching the building

is sloped toward the scupper

8. If we determine from Table 1101.12 that our rooftop requires a 3-inch-diameter vertical rainwater pipe, which size rectangular drainage pipe we may use?

2 inches x 5 inches 3 inches x 3.5 inches 1.5 inches x 4 inches 2.5 inches x 3 inches 2.5 inches x 5 inches

9. If we determine from Table 1101.12 that our rooftop requires a 4-inch-diameter vertical rainwater pipe, what is the minimum size square drainage pipe we are permitted to use?

2 inches x 2 inches 3 inches x 3 inches 3-1/2 inches x 3-1/2 inches 4 inches x 4 inches 5 inches x 5 inches

10. What is the minimum height of a scupper opening?

2 inches

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3 inches 1.5 inches 4 inches 5 inches

11. What size scupper opening is required for a 1000-square-foot roof in an area that receives rain at a rate of 3 inches per hour?

4 inches wide by 3 inches tall 2 inches wide by 3.5 inches tall 5 inches wide by 4 inches tall 3 inches wide by 4 inches tall 5 inches wide by 3 inches tall

12. What is the minimum width scupper opening required for an 8700-square-foot roof in a location that receives rain at a rate of 1 inch per hour?

2 inches 3 inches 4 inches 5 inches 6 inches

13. Secondary roof drains are required. Yes, this is correct. Yes, but only in locations that

receive rainfall at a rate of at least 2 inches per hour.

Yes, but only in locations where the rooftop water might pond deeper than 2 inches.

Yes, provided they have a diameter of at least 2 inches.

No, secondary roof drains are not always required.

14. The overflow level of the secondary drain inlet above the primary drain inlet shall not be less than _________ inch(es) above the roof.

1 2 3 4

15. The maximum height of a secondary roof drain is determined by _______.

the AHJ the rainfall rate of the location the number of primary drains

on the rooftop the area and pitch of the

rooftop the maximum possible depth of

ponding water and the roof design

16. A secondary roof drainage system may discharge into the same location as the primary system.

No, this is not permitted. Yes, provided the two drainage

systems are mostly independent.

Yes, provided the discharge is above grade and observable.

Yes, provided the primary system isn’t likely to be exceeded.

Yes, provided the primary system is sized for double the local rainfall rate.

17. Secondary roof drains may connect to the vertical piping of the primary storm drainage conductor _______.

downstream of the last horizontal offset located below the roof

provided the AHJ has approved it

only if it is impracticable to have two completely independent systems

if they are intended to discharge to the same location

provided the discharge is above grade and observable

18. A building’s primary storm drainage system must connect to the building storm sewer that connects to _______.

a public sanitary sewer

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an approved waterway an underground public storm

sewer the primary roof drainage

system a public sewer system

19. The sizing of the combined primary and secondary roof drain systems is based on _______.

the size of the underground public sewer into which it discharges

the pitch of the rooftop the 1000-year storm rainfall

rate 1.5 times the rainfall rate for

the local area double the rainfall rate for the

location

20. A rain leader connected to a building storm sewer shall have a cleanout installed at the base of the outside leader _______.

no closer than 6 feet from the discharge into the underground public sewer

with an opening at least double the diameter of the leader

but at least 6 inches above grade level

before it connects to the horizontal drain

immediately after it connects to the horizontal drain

21. Rainwater sumps serving _______ shall be provided with dual pumps arranged to function alternately in case of overload or mechanical failure.

drainage from large, flat rooftops

public use occupancy buildings industrial manufacturing

facilities any building with a roof subject

to ponding

hospitals, nursing homes and similar facilities

Quiz 41. Leaders and storm drains must be

trapped. Yes, this is always required. No, this is not a requirement. Yes, this is required at the

location where they connect to a combined sewer.

No, this is not required unless the location is one that has a lot of debris.

Yes, this is required within 2 feet of a junction or connection.

2. Traps shall not be required where roof drains, rain leaders, and other inlets are at locations allowed under _______.

Section 719.0, Cleanouts Section 908.0, Wet Venting Section 1101.7, Building

Subdrains Section 720.0, Sewer and Water

Pipes Section 906.0, Vent

Termination

3. Traps are not required for leaders or conductors that are connected to a sewer _______.

with a sufficiently large diameter to handle the debris

that connects to a combined sewer

that discharges to a building sub-drain

carrying stormwater exclusively within 10 feet of the property

line

4. Traps for individual conductors must be _______ the horizontal drain to which they are connected.

the same size as or larger than the same size as smaller than the same size as or smaller than

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larger than

5. In lieu of individual traps for the drain branch serving each stormwater inlet, it is permissible to install a single trap in the main storm drain just before its connection with the _______.

combined building sewer next horizontal branch underground public sewer building sump pit public sewer main

6. Stormwater traps must be provided with _______ located on the outlet side of the trap.

an expansion joint a quick-disconnect device an accessible cleanout a water shutoff valve a pressure-balancing valve

7. It is permissible to use a waste pipe as a rain leader in a building with a combined building sewer.

True False

8. Leaders installed in locations where they are exposed to potential damage must be protected by metal guards.

Yes, this is correct. Yes, provided the guard is made

from ferrous pipe. No, this is only required in

certain specific locations. No, this is not required for

leaders constructed from ferrous pipe.

Yes, and the guard must completely cover the leader.

9. The sanitary and storm drainage systems of a building shall be entirely separate.

Yes, except where a combined sewer is used.

Yes, this is correct.

Yes, this is correct, unless it is impracticable to do so.

No, this is not required. No, not unless the local

jurisdiction requires it.

10. In the case of a combined building sewer, the storm drain must be connected to the combined system through a single wye fitting _______ a soil stack.

immediately upstream from at least 10 feet downstream

from no more than 10 feet

downstream from at least 10 feet upstream from adjacent to

11. A building storm drain tying into a combined building sewer must be connected _______.

in the same horizontal plane as the sewer

with a tee fitting immediately downstream from

a trap cleanout through a series of elbows in the same vertical plane as

the soil stack

12. Roof drains may be constructed of any material as long as they comply with ASME A112.3.1 or ASME A112.6.4.

True False

13. Roof drains shall have _______. a diameter of no less than 3

inches domed strainers perforated side walls accessible cleanouts their installed height flush with

the rooftop

14. Roof drains on parking decks are permitted to be _______.

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domed no higher than 1 inch above the parking surface

connected directly to the public sanitary sewer

sized by the building owner’s requirements

of the flat surface type constructed only of ferrous

metal15. Flat-surface-type roof drain strainers

may be installed on _______. any roof roofs above food storage commercial building roofs sun deck roofs any flat roof

16. The interface of _______ with the roof must be made watertight with the use of flashing material.

all roof drains metal roof drains roof drains that pass through

the roof to the building interior roof drains that pass through

the roof to the building exterior high-volume roof drains

17. Roof drain lead flashing must be _______ 4 pounds per square foot.

no less than approximately equal to less than no more than

18. Where copper flashing is used for a roof drain, it must be at least _______.

4 ounces per square foot 6 ounces per square foot 8 ounces per square foot 10 ounces per square foot 12 ounces per square foot

Quiz 51. The sizing of vertical rainwater piping is

based on _______ and Table 1101.12. the minimum projected roof

area

the size of the drain serving the pipe

the maximum projected roof area

the pitch and design of the roof whether or not it is part of a

combined sewer system

2. What is the maximum roof area that can be served by a 3-inch vertical rainwater pipe in a location that receives rain at a rate of up to 3 inches per hour?

960 square feet 2930 square feet 9200 square feet 6130 square feet 2200 square feet

3. What is the minimum size vertical rain pipe permitted for a rooftop of 3000 square feet in an area that receives rain at a rate of 1 inch per hour?

1 inch diameter 2 inches diameter 3 inches diameter 4 inches diameter 5 inches diameter

4. The sizing of a horizontal branch of a building storm drain is based upon _______ and Table 1101.8.

the area of the rooftop plus the area of the parking lot

the size of the vertical pipes serving the branch

the slope of the rooftop the porosity of the rooftop or

parking lot materials the maximum projected roof or

paved area being served

5. What is the maximum size 1/4-inch-per-foot slope parking area that can be served by a 6-inch diameter horizontal storm sewer in a location that receives rain at a rate of 5 inches per hour?

6040 square feet

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4280 square feet 7670 square feet 46,000 square feet 13,040 square feet

6. What is the minimum size horizontal rain pipe permitted for a 3200-square-foot rooftop built with 1/8-inch-per-foot slope in a location that receives rain at a rate of 1 inch per hour?

6 inches diameter 5 inches diameter 4 inches diameter 3 inches diameter 2 inches diameter

7. Semi-circular rain gutters are sized by _______ and Table 1103.3.

minimum projected roof area local area requirements rooftop surface material the diameter of the vertical

pipes they serve maximum projected roof area

8. A 1/8-inch-per-foot-slope rooftop measuring 588 square feet in a location that receives rain at a rate of 6 inches per hour requires a _______ diameter semi-circular rain gutter.

2-inch 4-inch 6-inch 5-inch 3-inch

9. What is the maximum 1/16-inch-per-foot-slope roof area that can be served by a 3-inch diameter semi-circular rain gutter in a location that receives rainfall at a rate of 3 inches per hour?

320 square feet 454 square feet 226 square feet 170 square feet 480 square feet

10. What is the effective drainage area of a 100 foot by 200 foot rooftop with a 2-foot-tall wall down the long edge of the roof?

20,000 square feet 20,200 square feet 22,000 square feet 20,400 square feet 10,200 square feet

11. What is the minimum permissible size rain leader to serve a 13,000-square-foot rooftop with a pair of adjacent vertical walls with total area of 1440 square feet in a location that receives as much as 4 inches of rain per hour?

8 inches diameter 6 inches diameter 5 inches diameter 4 inches diameter 3 inches diameter

12. To determine the effective drainage area of a rooftop with two adjacent walls _______, add 35% of the total common height area and 50% of the remaining height area of the highest wall to the roof area.

with rain gutters installed on them

constructed with non-porous surfaces

of unequal height taller than 1 foot and one opposite wall

13. What is the effective drainage area of a 10-foot by 10-foot roof with two adjacent walls measuring 1 foot high and 2 feet high?

100 square feet + 35% of 10 square feet + 50% of 10 square feet

10 square feet + 50% of 10 square feet

110 square feet – 35% of 20 square feet

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1000 square feet + 35% of 10 square feet + 50% of 20 square feet

100 square feet + 10 square feet + 20 square feet

14. In the case where a pair of opposite vertical walls project above a roof, it is not necessary to add additional drainage area to the rooftop area in order to size the rain leader.

Yes, this is correct. Yes, provided the walls are of

equal height. Yes, this is correct for locations

with a rainfall rate not exceeding 2 inches per hour.

Yes, provided the walls are no higher than 2 feet.

Yes, unless the AHJ has other requirements.

15. To determine the size of a vertical rain pipe serving a 10,000-square-foot rooftop with two opposite 100-foot-long walls measuring 8 feet tall and 3 feet tall, we calculate the effective drainage area as _______ plus 10,000 square feet.

50% of 500 square feet 35% of 800 square feet 500 square feet 50% of 300 square feet plus

35% of 500 square feet 1100 square feet

16. To calculate the effective drainage area of a rooftop with walls on 3 sides, it is necessary to take into consideration the fact that there are both opposite and adjacent walls.

True False

17. In the case of a square rooftop measuring 100 feet by 100 feet with walls on three sides measuring 3 feet high and a wall on the fourth side

measuring 5 feet high, how can we calculate the drainage area of the walls?

50% of (300 feet x 2 feet) 50% of (200 feet x 3 feet) 50% of (100 feet x 2 feet) 35% of (100 feet x 3 feet) 35% of (400 feet x 3 feet)

18. If a pump produces a semi-continuous discharge that feeds into the building storm sewer, how much of its discharge is equivalent to 24 square feet of rooftop based upon a 4-inches-per-hour rainfall rate?

1 cubic inch 1 gallon per minute 1 hour 1 quart 1 gallon per hour

19. If a pump produces a semi-continuous discharge that feeds into the building storm sewer at a rate of 2 gallons per minute, what is its equivalent roof area based upon a 4-inches-per-hour rainfall rate?

48 inches 24 square feet 36 square feet 48 square feet 8 gallons per hour

Quiz 61. Existing storm drainage systems that An

engineered storm drainage system must be designed ______.

by the manufacturers of the materials to be used

with the assumption that setback roofs are to be included

to be as easy as possible to test by a registered design

professional by the AHJ

2. Siphonic roof drainage systems are _______.

13


exactly the same as conventional roof drainage systems

not approved by the 2018 Uniform Plumbing Code

required to comply with ASPE 144.6.6.2.5.1

not required to be tested none of the answers provided

3. Existing storm drainage systems that have been extended are required to be tested for leaks and defects.

Yes, this is correct. No, this is only required for new

storm drainage systems. No, this is not required if the

existing system does not have any known leaks.

Yes, this is required, but only for existing systems that have needed repair.

No, this is not required unless specifically requested by the AHJ.

4. Storm drainage piping that is to be checked for leaks by the water test may be tested in sections or as a whole system.

True False

5. A storm drainage system subjected to an air test must maintain pressure without the introduction of additional air _______.

until a column of mercury reaches 10 inches in height

for at least 30 minutes unless the pressure falls within

the first minute for no more than 15 minutes for at least 15 minutes

6. A storm drainage system subjected to an air test must maintain pressure without the introduction of additional air _______.

until a column of mercury reaches 10 inches in height

for at least 30 minutes unless the pressure falls within

the first minute for no more than 15 minutes for at least 15 minutes

7. Schedule 40 Plastic DWV storm drain systems shall not be tested by _______.

water air 10-foot-head foot of water plumbers none of the answers provided

8. If circumstances exist that make the required storm drainage system air and water tests impractical, it is possible for the AHJ to determine an alternate means of inspection.

No, all systems must pass the required air and water tests.

Yes, provided the AHJ’s alternative ensures that the work adheres to the UPC.

No, only the AHJ’s representative can authorize this.

Yes, the AHJ can completely waive all inspections if the system is really large.

No, not unless the system is built entirely above ground for easy visual inspection.

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