West Virginia Multifamily Contractor Examination

A dimension on a multifamily floor plan measures 3-1/2 inches. The drawing scale is 1/4 inch = 1 foot 0 inches. What is the actual building dimension?

• A7 feet 0 inches
• B10 feet 6 inches
• C14 feet 0 inches
• D28 feet 0 inches

Under IBC 2021 Section 310.3, how is a typical apartment building with more than two dwelling units and primarily permanent occupants classified?

• AGroup R-1
• BGroup R-2
• CGroup R-3
• DGroup I-1

A sprinklered Group R-2 story has 8,400 square feet of residential floor area used as dwelling units. Using IBC 2021 Table 1004.5 (200 gross square feet per occupant for residential), what is the calculated occupant load of that story?

• A28 occupants
• B42 occupants
• C56 occupants
• D84 occupants

On a multifamily drawing set, which sheet typically shows room layout, wall locations, door and window marks, and overall plan dimensions used for takeoff?

• AThe electrical one-line diagram
• BThe floor plan
• CThe plumbing isometric
• DThe finish hardware schedule only

A site plan dimension measures 4-1/2 inches. The drawing scale is 1/8 inch = 1 foot 0 inches. What is the actual dimension?

• A18 feet 0 inches
• B27 feet 0 inches
• C36 feet 0 inches
• D54 feet 0 inches

Per IBC 2021 Section 602.5 and Table 601, which statement correctly describes Type V-A construction commonly used for wood-frame apartment buildings?

• AAll building elements must be noncombustible, and the primary structural frame requires a…
• BExterior walls must be noncombustible, but interior elements may be combustible
• CStructural elements may be of any materials permitted by the code, and the primary struct…
• DStructural elements may be of any materials permitted by the code, and Table 601 requires…

A Group R-2 apartment building of Type V-A construction is equipped throughout with an NFPA 13 automatic sprinkler system. What is the IBC 2021 Table 504.4 allowable number of stories above grade plane?

• A2 stories
• B3 stories
• C4 stories
• D5 stories

Using IBC 2021 Table 506.2 only (no frontage increase), what is the tabular allowable area factor for a nonsprinklered Group R-2 building of Type V-A construction?

• A7,000 square feet
• B12,000 square feet
• C24,000 square feet
• D36,000 square feet

Per IBC 2021 Section 503.1, when may portions of a multifamily building be treated as separate buildings for height, story, and area limits?

• AWhenever a 1-hour fire partition separates dwelling units
• BWhen the portions are separated by one or more fire walls complying with Section 706
• CWhenever a smoke partition is provided at the corridor
• DOnly if the entire building is Type I-A construction

A multifamily stair has a floor-to-floor height of 10 feet 8 inches. Using the IBC 2021 Section 1011.5.2 maximum riser of 7 inches, what is the smallest number of risers that will comply, and what is the resulting riser height?

• A16 risers at 8.00 inches
• B18 risers at 7.11 inches
• C19 risers at 6.74 inches
• D21 risers at 6.10 inches

Which drawing is used to read vertical relationships such as floor-to-floor heights, roof slope, and how a wall section meets the foundation?

• AThe door schedule only
• BThe reflected ceiling plan only
• CBuilding elevations and wall sections
• DThe electrical panel schedule

A five-story wood apartment building is proposed over a concrete parking podium. Under IBC 2021 Section 510.2, what horizontal-assembly rating allows the wood stories above to be considered a separate building for height and area?

• A1 hour
• B2 hours
• C3 hours
• D4 hours

Per IBC 2021 Section 1804.4, what is the minimum slope of the ground immediately adjacent to a building foundation for the first 10 feet, unless an approved drain or barrier exception applies?

• A1 inch in 10 feet
• B2 inches in 10 feet
• C6 inches in 10 feet
• D12 inches in 10 feet

A rectangular excavation for a multifamily parking pad is 50 feet by 40 feet and 3 feet deep, measured in bank yards. How many cubic yards of material will be removed?

• A74 cubic yards
• B167 cubic yards
• C222 cubic yards
• D333 cubic yards

Using IBC 2021 Table 1806.2 presumptive load-bearing values, what allowable foundation pressure is listed for clay, sandy clay, silty clay, clayey silt, silt, and sandy silt (CL, ML, MH, and CH)?

• A1,000 pounds per square foot
• B1,500 pounds per square foot
• C3,000 pounds per square foot
• D12,000 pounds per square foot

A paved apartment driveway must fall 5 percent away from the building for 20 feet. How much lower is the pavement at 20 feet from the wall than at the building face?

• A6 inches
• B8 inches
• C10 inches
• D12 inches

When estimating earthwork, which volume is measured in the ground before excavation?

• ALoose cubic yards
• BCompacted cubic yards
• CBank cubic yards
• DTruck-load cubic yards after a 50 percent swell allowance invented on site

A contractor must haul 200 bank cubic yards of soil. The soils report states a 20 percent swell from bank to loose. How many loose cubic yards should be planned for hauling?

• A160 loose cubic yards
• B200 loose cubic yards
• C240 loose cubic yards
• D400 loose cubic yards

Per IBC 2021 Section 1809.5, exterior footings and foundations on granular soil generally must be protected from frost by one of the listed methods. Which method is acceptable?

• ASetting the bottom of the footing above the frost line if the slab is 4 inches thick
• BExtending below the frost line of the locality, constructing in accordance with ASCE 32,…
• CUsing any 12-inch-deep footing regardless of local frost depth
• DOmitting frost protection whenever the building is Group R-2

A continuous footing trench is 80 feet long, 3 feet wide, and 2 feet deep. How many cubic yards of excavation are required, ignoring slope and spoil swell?

• A8.9 cubic yards
• B13.3 cubic yards
• C17.8 cubic yards
• D53.3 cubic yards

An exterior apartment breezeway slab is specified at 4,000 psi with 5 to 7 percent entrained air. A truck arrives and the field air test reads 3.5 percent. What is the correct action?

• APlace the load anyway; air content is a plant issue and does not affect the finished slab
• BDo not place the load as delivered; notify the supplier so the load can be adjusted at th…
• CAdd water at the chute to raise the air content back into the specified range
• DPlace the load and apply a surface sealer after 28 days in place of the specified air con…

A 30-foot by 40-foot apartment patio slab is 5 inches thick. How many cubic yards of concrete are required, with no waste factor?

• A15.4 cubic yards
• B18.5 cubic yards
• C22.2 cubic yards
• D50.0 cubic yards

Per ACI 318 as referenced by IBC 2021 Chapter 19, what is the minimum concrete cover for cast-in-place concrete that is cast against and permanently exposed to earth?

• A3/4 inch
• B1-1/2 inches
• C2 inches
• D3 inches

What is the nominal diameter of a #5 reinforcing bar?

• A3/8 inch
• B1/2 inch
• C5/8 inch
• D3/4 inch

ACI 306 cold-weather concreting practice, used with IBC Chapter 19 work, generally treats concrete as cold-weather work when the air temperature is at or expected to fall below which value during the protection period?

• A20°F
• B32°F
• C40°F
• D50°F

A 4-inch apartment sidewalk slab will receive saw-cut contraction joints. Using the common ACI 302 spacing of 24 to 36 times the slab thickness, what is an appropriate joint spacing range?

• A4 to 6 feet
• B8 to 12 feet
• C16 to 20 feet
• D24 to 30 feet

A continuous footing is 120 feet long, 24 inches wide, and 12 inches thick. How many cubic yards of concrete are required, with no waste?

• A4.4 cubic yards
• B8.9 cubic yards
• C13.3 cubic yards
• D26.7 cubic yards

For ordinary Type I portland-cement concrete that is not high-early-strength, what is the typical minimum moist-curing period referenced in ACI 308 / ACI 318 practice?

• A24 hours
• B3 days
• C7 days
• D28 days of continuous water ponding in every case

Which change most directly improves resistance of concrete to freeze-thaw scaling and many durability exposures?

• AIncreasing the water-cementitious materials ratio above 0.70 and omitting air entrainment
• BUsing an appropriate air-entrained mixture and keeping the water-cementitious materials r…
• CAdding extra mixing water on site to raise slump after the truck arrives
• DFinishing bleed water into the surface and skipping curing

Why is freshly placed structural concrete typically consolidated with an internal vibrator?

• ATo add mixing water so the slump increases after placement
• BTo embed the reinforcement after the concrete has already stiffened
• CTo remove trapped air and consolidate the concrete around reinforcement and into the forms
• DTo replace the specified 28-day cylinder tests

A #5 Grade 60 bar in a footing must be spliced. Which statement matches common ACI 318 / IBC Chapter 19 practice?

• AAny two bars may be butted end-to-end with no overlap if they touch
• BLap splices must provide the specified tension or compression lap length, or a qualified…
• CA 2-inch lap is always enough for #5 bars in footings
• DSplices are prohibited in all footings

A 40-foot by 60-foot apartment slab-on-ground is 4 inches thick. Per IBC 2021 Section 1907.1, is 4 inches thick enough, and how many cubic yards are required with no waste?

• ANo; the code minimum is 6 inches, and the volume is 44.4 cubic yards
• BYes; 4 inches exceeds the 3-1/2-inch minimum, and the volume is 29.6 cubic yards
• CYes; the minimum is 2 inches, and the volume is 14.8 cubic yards
• DNo; slabs on ground are not permitted under IBC Chapter 19

How many standard 8-inch by 8-inch by 16-inch concrete masonry units are required for 100 square feet of wall, with no openings or waste?

• A100 units
• B112.5 units
• C125 units
• D150 units

Which ASTM C270 mortar type is the usual minimum specified for masonry in contact with earth, such as a foundation wall?

• AType O
• BType N
• CType S
• DType K

For anchored masonry veneer under IBC 2021 Chapter 14, what is the maximum on-center spacing of weepholes immediately above flashing?

• A16 inches
• B24 inches
• C33 inches
• D48 inches

In running bond masonry, how are the units typically laid?

• AEach course is aligned so that head joints stack directly above the head joints below
• BHead joints in successive courses are offset, commonly by one-half unit
• CUnits are set only on edge with no horizontal joints
• DOnly every third course contains mortar

What slump range is commonly specified for coarse grout used to fill CMU cells (ASTM C476 / TMS 602)?

• A1 to 3 inches
• B3 to 5 inches
• C8 to 11 inches
• D14 to 16 inches

For anchored masonry veneer, IBC 2021 / TMS 402 practice requires a drained air space. What is the usual specified minimum clear air space?

• A1/4 inch
• B1 inch
• C4 inches
• D8 inches

Why are vertical control joints placed in long CMU apartment walls?

• ATo increase the wall's compressive strength
• BTo create the required 3-hour fire wall
• CTo relieve shrinkage and temperature movement and reduce random cracking
• DTo replace horizontal joint reinforcement

What is the purpose of a bond beam in a reinforced CMU multifamily wall?

• AIt is only a decorative brick ledge
• BIt is a continuous grouted and reinforced course that ties the wall together and distribu…
• CIt replaces all vertical reinforcement in the wall
• DIt is the water-resistive barrier

A CMU stair-tower wall is 10 feet high and 48 feet long with no openings. Using 1.125 standard 8 × 16 units per square foot and no waste, how many units are required?

• A432 units
• B480 units
• C540 units
• D600 units

Which ASTM C270 mortar type is a general-purpose above-grade mortar commonly used for exterior CMU and brick that are not in contact with earth?

• AType N
• BType K
• CType O only, for all exterior work
• DGypsum plaster used as mortar

For adjustable wire masonry-veneer ties under TMS 402 as used with IBC Chapter 14, what are the common maximum horizontal and vertical spacings?

• A48 inches horizontally and 48 inches vertically
• B32 inches horizontally and 25 inches vertically
• C16 inches horizontally and 8 inches vertically only
• DTies are not required if a 1-inch air space is provided

A beam is marked W16×26. What do the numbers mean?

• AThe beam is exactly 16 inches wide and 26 feet long
• BThe beam is a wide-flange shape with a nominal depth of about 16 inches and a nominal wei…
• CThe beam has a 16-inch flange thickness and a 26 ksi yield strength
• DThe beam is a pipe with a 16-inch diameter and 26-inch wall

High-strength structural bolts used in pretensioned or slip-critical joints on a multifamily steel frame are commonly which ASTM / F3125 grade?

• AASTM A307 Grade A machine bolts used without a specified pretension method
• BASTM F3125 Grade A325 or Grade A490 (or equivalent F3125 grades) installed by an approved…
• CCommon nails
• DWood lag screws