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Quiz 1UPC Chapter 11 Storm Drainage governs the materials, design and _______ of stormwater drainage systems.inspectionmanufacturinginstallationoverviewutilizationA _____ is an exterior vertical drainage pipe for conveying stormwater from the roof or gutter drains.soil stackcatch basinsanitary drainleaderstorm drain_______ system is designed to collect rainwater runoff, domestic sewage and industrial wastewater.A combined sewerA free-for-allAn unrestricted waterA stormwater drainage An archaic pipingIt 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.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.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.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.The material and design of pipes selected for conveying rainwater must _______ to the satisfaction of the AHJ.be cost effectivehave extremely high durability ratingsblend into their surroundingsbe versatileperform their intended functionStormwater conductors _______ shall be made of cast iron, copper, lead, wrought iron, Schedule 40 ABS DWV or other approved materials.installed above groundwithin a shaftbelow groundentering a detention pondadjacent to a ventStormwater drainage pipe changes of direction must be _______.no closer than 12 inches from another change of directionin accordance with Chapter 14 Firestop Protectioninstalled in such a way as to slow the flow rate of the waterin accordance with the requirements of UPC Section 706.0avoided unless absolutely necessaryMaterials exposed within ducts or plenums in other than single-family dwelling units must have a flame-spread index _______.of 25 or lessthat is lower than their smoke-developed indexof not more than 50that is suitable for environmental air spacesof at least 25_______ copper and copper alloy pipe and tube shall be installed in accordance with Section 705.3.Changes of direction inCaps and fittings forChanges in elevation ofJoints and connections inUnderground systems ofStorm drainage conductors installed aboveground in buildings shall be in accordance with the standards referenced in Table 701.2 for _______.building sewer applicationsaboveground drain, waste and vent pipecopper and copper alloys (Type DVW)underground installationsPVC Schedule 40Co-extruded PVC storm drainage pipes installed along the ceiling in a building must be in accordance with _______.ASME B16.23ASTM D2665ASTM F628CISPI 301ASTM F891Stormwater 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.Leaders installed outside may be fabricated from _______.machined cast irongalvanized steel sheet metalextra strength vitrified claygalvanized malleable ironcopper or copper alloy tubingUnderground building storm drains shall comply with _______ for underground drain, waste and vent pipe.the applicable standards in Table 701.2the manufacturer’s installation recommendationsthe design engineer’s requirementsall requirementsthe building owner’s preferencesIt 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.Subsurface water may be collected and conveyed to a disposal location by a _______.seepage collection vesselrainwater leadersubsoil drainstormwater spongesubsurface drainA vitrified clay subsoil drain must be _______.open jointedinstalled in accordance with ASTM D2729buried beneath no less than 14 inches of earthperforatedopen jointed, perforated or bothStormwater drainage expansion joints or sleeves must be provided where _______.conductors are installed under roadwayssubsoil drains cross the frost layersewers are made of rigid pipe and fittingsnecessary due to temperature variations or physical conditionsconductors cross from inside of buildings to outsideQuiz 2Subsoil drains must be installed around the perimeter of buildings having basements, cellars, crawl spaces or floors _______.below gradethat are likely to floodunder construction in wet locationslocated within 50 feet of a body of waterwhere the soil is not sufficiently porous to drain well on its ownPerforated subsoil drain piping laid in crushed rock must have no less than _______ of the crushed rock surrounding the pipe.2 inches4 inches12 inches6 inches14 inchesSubsoil drainage shall be piped to _________.a storm drainan approved water coursea street curban alleyany of the above 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.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.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 coursea below-grade sanitary sewer systema tank or pita French drainan accessible sumpThe minimum required dimensions of a subsoil drain sump are _______.10 inches diameter and 18 inches deep12 inches diameter and 20 inches deep15 inches diameter and 22 inches deep15 inches diameter and 18 inches deep18 inches diameter and 15 inches deepThe discharge piping from a sump pump must be _______.at least 1-1/2 inches in diameterno more than 18 inches below gradeat least 2 inches in diameterreadily accessibleextended to an above-grade levelThe concrete splash block for the drainage from a sump discharge pipe must be at least _______ inches in length.816243236It 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 valvea quick-disconnect devicea shutoff valvean expansion jointa gate valveDrains that serve subsoil drains or areaways of detached building may discharge to a properly graded open area unless _______.the neighbor doesn’t approve itthe plumber doesn’t approve itthey’re serving a flowing springthe flow is blocked by large tree or shrubnone of the answers providedA detached building areaway drain must discharge _______ or to a properly graded open area.adjacent to a fenceat least 10 feet from a property lineto a drainage easementthrough the perforations in the pipeparallel to the nearest property lineIf 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 exemptionthe local soil must be amended to handle the discharge flowit may discharge to a properly graded open areait must discharge to a sump tank or pitthe property owner must obtain a drainage easementBuilding subdrains below the public sewer level shall discharge _______.onto a properly graded open areainto a subsurface water courseup onto grade levelinto the nearest sanitary sewerinto a sump or receiving tankThe subsurface space of a stairwell for a building’s basement entrance must have _______.crushed rock around the drain areaa grade leading away from the stairsa semi-porous surface materiala drain or drainsany of the answers providedCellar entrance areaways measuring less than 100 square feet must have a drain of at least _______.2 inches radius2% of the subsurface area2 inches in diameter2 inches by 2 inches2 square inchesThe 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.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 inchesat least 4 inchesno more than 4 inchesat least 5 inchesno more than 5 inchesA subsurface areaway of 110 square feet with ?-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 inches3 inches maximum3 inches minimumno more than 2.5 inchesat least 2.5 inchesA window areaway up to _______ shall be permitted to discharge into a 2-inch subsoil drain.8 square feet in area5 feet by 5 feet2 feet by 2 feet10 square feet in area12 square feet in areaA 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 maximumat least 2 inchesat least 4 inches3 inches minimumno more than 2.5 inchesQuiz 3The paved areas at a public filling station _______.are required to drain to an approved water coursemust be sloped toward sumps or gratings within the property lineslarger than 400 square feet must have a drain installedsmaller than 1000 square feet may drain to an unpaved area filled with crushed rocksdo not require a drain provided they slope toward a curb or gutter storm drainWhere 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 producefirst discharge the water to a properly graded open areainstall curb and gutter drainsinstall 6-inch or taller curbs to direct the waterreplace some paved areas with crushed rocksIf 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 coursearound the edges of the parking areaonto a properly graded open areato a subsoil drainto the nearest sanitary sewerVertical rainwater piping must be_______. roundrectangularsquareany of the answers providednone of the answers providedThe location and sizing of roof drains and gutters _______.must be coordinated with the aesthetic style of the roofis determined by Table D 101.1is dependent solely on the size and pitch of the roofmust be coordinated with the pitch and design of the roofdepends on the porosity of the roof coveringRoof 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.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 pondingextends above the roof in such a manner that water will be entrappedis completely surrounded by gutters so that no water can overflow the roof edgesextends beyond the roof such that water will drain down without touching the buildingis sloped toward the scupperIf 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 inches3 inches x 3.5 inches1.5 inches x 4 inches2.5 inches x 3 inches2.5 inches x 5 inchesIf 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 inches3 inches x 3 inches3-1/2 inches x 3-1/2 inches4 inches x 4 inches5 inches x 5 inchesWhat is the minimum height of a scupper opening?2 inches3 inches1.5 inches4 inches5 inchesWhat 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 tall2 inches wide by 3.5 inches tall5 inches wide by 4 inches tall3 inches wide by 4 inches tall5 inches wide by 3 inches tallWhat 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 inches3 inches4 inches 5 inches6 inchesSecondary 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.The overflow level of the secondary drain inlet above the primary drain inlet shall not be less than _________ inch(es) above the roof.1234The maximum height of a secondary roof drain is determined by _______.the AHJthe rainfall rate of the locationthe number of primary drains on the rooftopthe area and pitch of the rooftopthe maximum possible depth of ponding water and the roof designA 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.Secondary roof drains may connect to the vertical piping of the primary storm drainage conductor _______.downstream of the last horizontal offset located below the roofprovided the AHJ has approved itonly if it is impracticable to have two completely independent systemsif they are intended to discharge to the same locationprovided the discharge is above grade and observableA building’s primary storm drainage system must connect to the building storm sewer that connects to _______.a public sanitary seweran approved waterwayan underground public storm sewerthe primary roof drainage systema public sewer systemThe sizing of the combined primary and secondary roof drain systems is based on _______.the size of the underground public sewer into which it dischargesthe pitch of the rooftopthe 1000-year storm rainfall rate1.5 times the rainfall rate for the local areadouble the rainfall rate for the locationA 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 sewerwith an opening at least double the diameter of the leaderbut at least 6 inches above grade levelbefore it connects to the horizontal drainimmediately after it connects to the horizontal drainRainwater sumps serving _______ shall be provided with dual pumps arranged to function alternately in case of overload or mechanical failure.drainage from large, flat rooftopspublic use occupancy buildingsindustrial manufacturing facilitiesany building with a roof subject to pondinghospitals, nursing homes and similar facilitiesQuiz 4Leaders 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.Traps shall not be required where roof drains, rain leaders, and other inlets are at locations allowed under _______.Section 719.0, CleanoutsSection 908.0, Wet VentingSection 1101.7, Building SubdrainsSection 720.0, Sewer and Water PipesSection 906.0, Vent TerminationTraps are not required for leaders or conductors that are connected to a sewer _______.with a sufficiently large diameter to handle the debristhat connects to a combined sewerthat discharges to a building sub-draincarrying stormwater exclusivelywithin 10 feet of the property lineTraps for individual conductors must be _______ the horizontal drain to which they are connected.the same size as or larger thanthe same size assmaller thanthe same size as or smaller thanlarger thanIn 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 sewernext horizontal branchunderground public sewerbuilding sump pitpublic sewer mainStormwater traps must be provided with _______ located on the outlet side of the trap.an expansion jointa quick-disconnect devicean accessible cleanouta water shutoff valvea pressure-balancing valveIt is permissible to use a waste pipe as a rain leader in a building with a combined building sewer.TrueFalseLeaders 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.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.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 fromat least 10 feet downstream fromno more than 10 feet downstream fromat least 10 feet upstream fromadjacent toA building storm drain tying into a combined building sewer must be connected _______.in the same horizontal plane as the sewerwith a tee fittingimmediately downstream from a trap cleanoutthrough a series of elbowsin the same vertical plane as the soil stackRoof drains may be constructed of any material as long as they comply with ASME A112.3.1 or ASME A112.6.4.TrueFalseRoof drains shall have _______.a diameter of no less than 3 inchesdomed strainersperforated side wallsaccessible cleanoutstheir installed height flush with the rooftopRoof drains on parking decks are permitted to be _______.domed no higher than 1 inch above the parking surfaceconnected directly to the public sanitary sewersized by the building owner’s requirementsof the flat surface typeconstructed only of ferrous metalFlat-surface-type roof drain strainers may be installed on _______.any roof roofs above food storagecommercial building roofs sun deck roofsany flat roofThe interface of _______ with the roof must be made watertight with the use of flashing material.all roof drainsmetal roof drainsroof drains that pass through the roof to the building interiorroof drains that pass through the roof to the building exteriorhigh-volume roof drainsRoof drain lead flashing must be _______ 4 pounds per square foot.no less thanapproximatelyequal toless thanno more thanWhere copper flashing is used for a roof drain, it must be at least _______.4 ounces per square foot6 ounces per square foot8 ounces per square foot10 ounces per square foot12 ounces per square foot Quiz 5The sizing of vertical rainwater piping is based on _______ and Table 1101.12.the minimum projected roof areathe size of the drain serving the pipethe maximum projected roof areathe pitch and design of the roofwhether or not it is part of a combined sewer systemWhat 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 feet2930 square feet9200 square feet6130 square feet2200 square feetWhat 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 diameter2 inches diameter3 inches diameter4 inches diameter5 inches diameterThe 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 lotthe size of the vertical pipes serving the branchthe slope of the rooftopthe porosity of the rooftop or parking lot materialsthe maximum projected roof or paved area being servedWhat 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 feet4280 square feet7670 square feet46,000 square feet13,040 square feetWhat 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 diameter5 inches diameter4 inches diameter3 inches diameter2 inches diameterSemi-circular rain gutters are sized by _______ and Table 1103.3.minimum projected roof arealocal area requirementsrooftop surface materialthe diameter of the vertical pipes they servemaximum projected roof areaA 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-inch4-inch6-inch5-inch3-inchWhat 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 feet454 square feet226 square feet170 square feet480 square feetWhat 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 feet20,200 square feet22,000 square feet20,400 square feet10,200 square feetWhat 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 diameter6 inches diameter5 inches diameter4 inches diameter3 inches diameterTo 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 themconstructed with non-porous surfacesof unequal heighttaller than 1 footand one opposite wallWhat 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 feet10 square feet + 50% of 10 square feet110 square feet – 35% of 20 square feet1000 square feet + 35% of 10 square feet + 50% of 20 square feet100 square feet + 10 square feet + 20 square feetIn 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.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 feet35% of 800 square feet500 square feet50% of 300 square feet plus 35% of 500 square feet1100 square feetTo 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.TrueFalseIn 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)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 inch1 gallon per minute1 hour1 quart1 gallon per hourIf 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 inches24 square feet36 square feet48 square feet8 gallons per hourQuiz 6Existing storm drainage systems that An engineered storm drainage system must be designed ______.by the manufacturers of the materials to be usedwith the assumption that setback roofs are to be includedto be as easy as possible to testby a registered design professionalby the AHJSiphonic roof drainage systems are _______.exactly the same as conventional roof drainage systemsnot approved by the 2018 Uniform Plumbing Coderequired to comply with ASPE 144.6.6.2.5.1not required to be testednone of the answers providedExisting 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.Storm drainage piping that is to be checked for leaks by the water test may be tested in sections or as a whole system.TrueFalseA 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 heightfor at least 30 minutesunless the pressure falls within the first minutefor no more than 15 minutesfor at least 15 minutesA 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 heightfor at least 30 minutesunless the pressure falls within the first minutefor no more than 15 minutesfor at least 15 minutesSchedule 40 Plastic DWV storm drain systems shall not be tested by _______.waterair10-foot-head foot of waterplumbersnone of the answers providedIf 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.3732818110561900-123690-9727700-141605597408000-38679473825686-140335-9779000 ................
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