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NCARB Building Systems: Questions With Solutions A+
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NCARB Building Systems: Questions With Solutions A+
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NCARB Building Systems: Questions With Solutions A+International Building Code (IBC) Right Ans - Begins by defining occupancy
groups, the purpose of which is to distinguish various degrees/qualities of
need for safety in a building.
American Society for Testing and Materials (ASTM) Right Ans - •
establishes standard specifications for commonly used materials of
construction.
• Generally referred to by number (eg: C150 = specification for portland
cement)
• numbers are frequently used in specifications for specific/precise shorthand
designation for the quality of material that is required.
American National Standards Institute (ANSI) Right Ans - develops
standards for many industrial products (eg: aluminum windows, mechanical
components of buildings)
MasterFormat/Construction Specifications Institute (CSI) Right Ans - a
standard for organizing information about constriction materials and
components.
• MasterFormat is used as the outline for project specifications
• In 2004 the system was updated from 16 divisions to 50 divisions
Fair Housing Act Guidelines: Right Ans - Covers most housing (owner-
occupied building with 4 or less units, single family houses sold/rented by
owner, and housing run by clubs that limit occupancy to members are
sometime exempt)
• Requirements for New Buildings with 4 + units and an elevator:
• Public common area must be accessible
• Doors and hallways mush be wide enough for a wheelchair (32"-36" min)
• All units must have:
• An accessible rough into and through the unit
• Accessible light switches, electrical outlets, thermostats, etc
• Reinforced bathroom walls to allow later installation of grab bars
• Kitchens/bathrooms can be used by people in a wheelchair
• These rules do not replace more stringent state/local codes
,ADA Accessibility Guidelines, what is not required to be ADA Right Ans - All
new design or new construction areas must meet accessibility
requirementsIncludes all employee work area and temporary construction
that is open to the public
Some areas are not require to be accessible:
• Temporary construction facilities (e.g. Job shacks, scaffolding, trailers)
• Raised areas used for security/life safety (e.g. Security or life guard towers)
• Non-occupiable service areas accessed infrequently for maintenance (e.g.
Mechanical rooms, penthouses)
• Water slides
• Non-public animal containment areas
• Raised structures for officiating/announcing sports events
Cross Slope Right Ans - 1:50 max
Level Changes Right Ans - Changes in levels! = 1/4" max w/o edge
treatment
Beveled Edge Ok =1/4" - 1/2" with 1:2 max slope
Requires Ramp=1/2" or more
Vertical grab bar Right Ans - 18" min length,
39" - 41" above floor
39" - 41" from the rear wall
Toilet Location Clearance Right Ans - Location =16" - 18" to center from
sidewall
Clearance = 60" min from sidewall
54" min from rear
Urinal Clearance Right Ans - Rim=17" max above floor
Clear Floor= 2'-6" wide x 4'-0" long
Flush Control=44" max above the floor
Drinking Fountains Clearance Right Ans - Floor Space =2'-6" wide x 4'-0"
long min
Spout Height = 36" max above floor
Water flow =4" min height
,Bathtub Clearances Right Ans - Front clr (no seat) =30" wide x length of tub
min
Front clr(with seat) =30" wide x length +12" min
Controls =center line of end wall
Hand Shower =59" min hose
Temperature =120ºF max
Shower Clearances Right Ans - Transfer Showers
Size=36" x 36" clr min
Front Clr=36" wide x 48" long min
Roll in Shower
Size=30" x 60" clr min
Front Clr =30" wide x 60" long min
British Thermal Unit Right Ans - a measure of energy, typically noted as the
amount of energy
needed to raise one pound of water by 1˚ F, raise 1 pint of water by 1˚ F , burn
one match
Coefficient of Heat Transmission (U-value): Right Ans - overall rate of heat
flow through any
combination of materials, used for determining the size of heating system.
Conductance (C) Right Ans - BTU/Hr that pass through 1 ft2 of material of
a given thickness when the change in temperature is 1 ºF
Thermal Conductivity (k) Right Ans - ability of a material to transmit or
conduct heat or electricity
based on the physical properties of the material, expressed in BTU
Conductivity (k/in) Right Ans - BTU/hr that pass through a 1 ft2 of
material 1" thick when the
change in temperature is 1 ºF
Emissivity (ε) Right Ans - the measure of an object's ability to absorb and
then radiate heat
Emittance: Right Ans - the energy radiated by the surface of a body person
per unit area
, Resistance (R) Right Ans - number of hours needed for 1 BTU to pass
through 1 ft2 of material or
assembly of a given thickness when the change in temperature is 1 ºF
Latent Heat Right Ans - heat required to convert a solid into a liquid or
vapor, or a liquid into a vapor, without change of temperature, given in BTU
Sensible Heat Right Ans - amount of energy released or absorbed by a
chemical substance during a change of temperature, changes the temperature
but not the state, given in BTU
Specific Heat Right Ans - the amount of energy required to raise the
temperature of a material by 1 ºF, the capacity to store heat, given in BTU
Heat of Vaporization Right Ans - heat given off by a vapor condensing to
liquid, or the heat
absorbed by a liquid evaporating to a gas without a change in temperature
Relative Humidity Right Ans - ratio of moisture content of the air to the
max possible moisture
content at the same temperature
Enthalpy (H) Right Ans - total heat loss in a substance (latent heat +
sensible heat), given in BTU
Radiation Right Ans - the transfer of heat between surfaces that are not in
direct contact
Conduction Right Ans - the transfer of heat between two objects that are in
direct contact
Convection Right Ans - the transfer of heat that requires a fluid medium
like air to transfer (also, directions like up/down/sideways matters)
Evaporation Right Ans - liquid is absorbed into the air as latent heat
Warmth Right Ans - the quality, state, or sensation of being warm,
moderate and comfortable heat
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