An office building in ASHRAE Climate Zone 4 (mixed-humid) has a continuous insulation requirement on its exterior walls. According to ASHRAE 90.1-2019, the minimum continuous insulation R-value for steel-framed walls is approximately R-7.5. What is the PRIMARY reason continuous insulation is specified rather than only cavity insulation?
Building Systems Materials Assemblies
Question · Medium
A four-story office building has an occupant load of 220 on the third floor. Using IBC 2021 Table 1006.3.3(2) (Group B with sprinkler system), what is the minimum number of exits required from the third floor?
Codes And Regulations
Question · Easy
Chapter 1: Exam Overview & Schematic Design Process
1.1 ARE 5.0 PPD Format, Scoring & Case Study Navigation
Study guide
A schematic design uses ordinary Type V-B wood-frame construction for a three-story apartment building (R-2). According to IBC 2021 Table 504.4, what is the maximum allowable building height in stories for Type V-B R-2 with an NFPA 13 sprinkler system?
Question · Hard
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Which HVAC system is MOST appropriate for a building program requiring individual zone temperature control across many small offices with widely varying loads, where simultaneous heating and cooling is desirable?
An architect is sizing a stair for a building with a Group B occupant load of 360 on the floor served (sprinklered). Per IBC 2021 Section 1005.3.1, the egress capacity factor for stairways in sprinklered buildings is 0.2 inches per occupant. What minimum stair width is required (assuming the stair serves only this floor)?
A schematic-design cost estimate for a 60,000 SF mid-rise office is being prepared. The architect uses an order-of-magnitude method with a unit cost of $425/SF. What is the MOST appropriate level of contingency to recommend to the owner at this stage?
Project Costs And Budgeting
1.2 The Schematic Design Phase & Multi-Discipline Workflow
In a passive solar design strategy for a building in the Northern Hemisphere, what is the MOST important orientation for the principal glazing area to maximize useful winter solar gain while minimizing summer overheating?
Environmental Conditions And Context
An architect is selecting a primary structural system for a 6-story office with a 30 ft × 30 ft typical column grid and a target slab-to-slab dimension of 13 ft. Which system BEST balances span, depth, and speed of erection?
An assembly occupancy with an occupant load of 1,200 has fixed seating. According to IBC 2021 Section 1029.6.2, what is the maximum travel distance to an aisle from any seat in unsprinklered conditions?
A LEED v4.1 BD+C project is targeting Indoor Environmental Quality credit for Daylight. Which of the following is the MOST direct compliance metric used in the credit?
1.3 Regulatory Framework: Navigating Codes, Standards & Jurisdictions
Per IBC 2021 Table 601, what is the required fire-resistance rating for a primary structural frame in Type II-A construction?
An architect designs a rain-screen exterior wall assembly. What is the PRIMARY function of the air gap behind the cladding?
An office building has 240 male occupants and 240 female occupants. Per IBC 2021 / IPC Table 2902.1 (Group B), one water closet is required per 25 for the first 50 and per 50 for the remainder, for each sex. How many female water closets are required?
A coastal site in ASCE 7-22 has a basic wind speed of 150 mph (Risk Category II). What design strategy MOST directly reduces lateral wind loads on the primary structure of a mid-rise building?
Chapter 2: Site Analysis, Topography & Soil Conditions
2.1 Site Topography, Grading, Slopes & Cut/Fill Calculations
Per NFPA 13 (2022), what is the maximum spacing between standard-coverage sprinklers in a Light Hazard occupancy with a smooth ceiling?
Which fire-suppression system is MOST commonly required for protection of an electronic data center where water damage to equipment is unacceptable?
A schematic vertical-circulation analysis for a 12-story office (population 1,200) uses a rule of thumb of 1 elevator per 75,000-90,000 SF for Class B office. With 360,000 SF, what is a reasonable starting elevator count to test in schematic design?
An architect must determine the climate zone for a project in Atlanta, Georgia, to apply ASHRAE 90.1 envelope minimums. According to ASHRAE/IECC, Atlanta is in which climate zone?
2.2 Geotechnical Reports, Soil Classification & Foundation Selection
Per IBC 2021 Section 1004, what occupant load factor (gross) is used for Business areas (Group B)?
A schematic-phase pro forma shows a target construction budget of $36 million on a 90,000 SF mixed-use building. The owner requests a 'value engineering' study before design development. Which strategy typically yields the LARGEST first-cost savings without compromising program?
A roof on a building in Climate Zone 6A specifies R-30 continuous insulation above the deck. The architect proposes polyiso (R-5.6/in nominal). Approximately what thickness must be installed to achieve R-30?
A vapor retarder is required on the warm-in-winter side of an exterior wall in a heating-dominated climate. Per IBC/IRC, in IECC Climate Zone 6, the vapor retarder is typically:
2.3 Site Hydrology, Drainage & Stormwater Management
A schematic budget allocates $12/SF for site improvements on a 5-acre site and $310/SF for the building shell. A test-fit shows building footprint of 35,000 SF and total site area = 217,800 SF. What is the approximate total of these two line items?
Per ASHRAE 62.1-2019 ventilation rate procedure for an office breathing zone, which two parameters drive the required outdoor airflow?
Per NFPA 72 (2022), which device is specifically designed to alert hearing-impaired occupants to a fire alarm event?
A 100,000 SF office uses an electrical demand factor for general lighting per ASHRAE 90.1-2019 building-area method. For office use the lighting power density (LPD) limit is approximately 0.79 W/SF. What is the maximum allowable connected lighting load?
Neighborhood Context, Historic Settings & Site Integration
A schematic-phase code review identifies the building as Group I-2 (hospital). Per IBC 2021 Section 1006, the maximum common path of egress travel for sprinklered I-2 is:
An architect is selecting masonry units for an exterior bearing wall in a moderate seismic region. Which combination provides the BEST balance of compressive strength, weather resistance, and reinforcement compatibility?
A daylit office space is being modeled. Which design strategy will MOST EFFECTIVELY increase daylight penetration deep into the floor plate while limiting glare?
Per IBC 2021 Section 1011.5, what is the maximum riser height and minimum tread depth for a stair in a Group B office building?
Chapter 3: Climate, Microclimate & Solar Design
3.1 Solar Geometry, Sun Angles & Sun Path Diagrams
A site analysis shows water-table elevation 4 ft below grade with seasonal rise to 2 ft. The proposed basement floor is 10 ft below grade. What is the MOST appropriate waterproofing strategy?
An architect uses a building energy model in schematic design. Per ASHRAE 90.1 Appendix G (Performance Rating Method), the proposed building is compared against:
A six-story Type II-A office is required to have an enclosed exit stair. Per IBC 2021 Section 1023.2, what is the minimum fire-resistance rating of the stair enclosure?
An owner's program requires a column-free auditorium with 80-ft clear span. Which structural system is MOST efficient for this span?
3.2 Microclimate Analysis, Prevailing Winds & Passive Ventilation
Site analysis identifies a Karst geology with potential for sinkhole formation. Which foundation strategy is MOST appropriate?
Per LEED v4.1 BD+C, which prerequisite establishes a MINIMUM threshold for energy performance below which the project cannot be certified?
An architect compares life-cycle cost (LCC) of two HVAC alternatives. Alternative A has higher first cost but lower energy use. Which financial metric BEST captures the time value of money over the analysis period?
A site is in IECC Climate Zone 5 and the project targets ASHRAE 90.1-2019 prescriptive compliance. The maximum allowed window-to-wall ratio (WWR) for prescriptive compliance (without performance modeling) is generally:
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