Mixed Deck — All NCARB Topics Flashcards

Which ADA requirement governs the maximum running slope of an accessible parking access aisle?

Answer: 2% maximum slope in any direction

ADA Standards require accessible parking spaces and their access aisles to have slopes no greater than 1:48 (approximately 2%) in any direction.

In programming for an educational facility, what is the significance of 'utilization rate' for classrooms?

Answer: It measures how often classrooms are actually occupied to right-size the number of rooms needed

Utilization rate analysis prevents over-programming by revealing whether existing or proposed classrooms will actually be occupied enough to justify their construction cost.

During project development, an architect discovers that the design exceeds the allowable floor area ratio (FAR) by 5%. The best first step is to:

Answer: Reduce the building footprint or overall square footage

The most straightforward first step is to redesign the building to comply with the allowable FAR by reducing floor area, before pursuing regulatory exceptions that add time and uncertainty.

What is a 'moment frame' in structural design?

Answer: A rigid frame where connections resist rotation, allowing columns and beams to resist lateral loads without diagonal bracing

Moment frames resist lateral loads through the bending stiffness of beams and columns with rigid connections, avoiding the need for diagonal bracing that might obstruct architectural openings.

Which structural system uses diagonal members to resist lateral forces in a steel frame?

Answer: Braced Frame

A braced frame uses diagonal steel members within bays to triangulate the structure, resisting lateral loads from wind and seismic forces through axial action.

In architectural programming, what is a 'space program'?

Answer: A document listing all required spaces with their sizes, adjacencies, and functional requirements

A space program organizes the owner's needs into a comprehensive list of spaces with net square footages, functional requirements, and critical adjacencies.

What does 'tributary area' mean in structural analysis?

Answer: The floor area whose load is carried by a specific beam or column

Tributary area is the portion of a floor or roof that contributes its load to a specific structural member, determined by the geometry of the framing layout.

Which document provides critical information about a site’s zoning restrictions?

Answer: Zoning ordinance

A zoning ordinance is a legal document enacted by local government authorities that dictates how land within a jurisdiction can be used. It provides critical information about specific zoning restrictions, including permissible building types, setbacks, height limits, and density requirements for a given site. Architects and developers must consult these ordinances to ensure their designs comply with local regulations.

What is 'thermal bridging' in a building assembly?

Answer: Heat transfer through a highly conductive element that bypasses insulation

Thermal bridging occurs when conductive materials like metal studs or concrete bypass insulation layers, significantly reducing the assembly's effective R-value.

Which electrical panel component protects circuits from overloads and short circuits?

Answer: Circuit Breaker

Circuit breakers interrupt current flow when a fault or overload occurs, protecting wiring and equipment from heat damage and fire.

Which lighting control strategy reduces energy use by automatically turning off lights when a space is unoccupied?

Answer: Occupancy Sensor Control

Occupancy sensors detect motion or presence and switch lights off after a set period of inactivity, directly reducing wasted energy.

What does a building's 'dew point' condition within a wall assembly indicate?

Answer: The location within the assembly where water vapor will condense to liquid

When warm moist air traveling through a wall assembly reaches the dew point temperature, vapor condenses into liquid water, risking moisture damage and mold.

A 'design criteria' document produced during programming typically includes which information?

Answer: Performance standards, quality expectations, and specific requirements for all building systems

Design criteria translate program goals into measurable performance standards covering acoustics, lighting levels, structural loads, sustainability targets, and finish quality expectations.

What analytical tool helps an architect understand how a building's program compares to industry benchmarks?

Answer: Space per occupant ratio analysis

Space per occupant ratios compare a proposed program's square footage per person to industry standards, helping validate or challenge the client's stated space needs.

Which delivery method allows the owner to overlap design and construction phases to compress the schedule?

Answer: Fast-Track Construction Management

Fast-track construction management allows early construction packages to be bid and built while later design phases are still ongoing, compressing the overall schedule.

What is a 'transfer beam' or 'transfer slab' in structural design?

Answer: A heavy structural element that collects loads from columns above and redistributes them to a different column grid below

Transfer beams redirect column loads when the structural grid changes between floors—common in mixed-use buildings where parking columns don't align with upper floor columns.

A 100-year storm event in hydrology means what?

Answer: A storm with a 1% probability of occurring in any given year

A 100-year storm has a 1% annual exceedance probability, meaning there is a 1% chance of that storm magnitude occurring in any given year.

A project's Certificate of Occupancy is issued by which authority?

Answer: The local building department

The Certificate of Occupancy is issued by the local jurisdiction's building department after inspections confirm the building complies with applicable codes.

What is 'load path' in structural design?

Answer: The continuous route through which applied loads travel from their point of origin to the foundation

Load path traces how forces flow from floors and roofs through beams, columns, and shear walls to foundations, with every element along the path needing to be designed for its share.

Which AIA document governs the general conditions of the contract for construction?

Answer: AIA A201

AIA A201 establishes the rights, responsibilities, and relationships of the owner, contractor, and architect during construction.