ARE 5.0 PPD (Ballast)
anodizing process
an electrochemical process that deposits an integral coating onto metal, can include the familiar similar color of aluminum, but this finish can be easily scratched
horizontal exit
an exit component consisting of fire-resistance rated construction and opening protectives intended to compartmentalize portions of a building thereby creating refuge areas that afford safety from fire and smoke from the area of fire origin
backing board
an inexpensive gypsum board used as the base layer in multilayer assembly for increased rigidity, sound insulation, and fire resistance
drain inlets
an opening in the ground that allows stormwater to run directly into the storm sewer
labeled door
another name for a fire-rated door
annealed glass
another name for float glass
closed-loop system
antifreeze or some other transfer medium is heated in the collector and circulated to a heat exchanger, where the domestic water is heated by the transfer medium
plates
any section of steel over 8 in wide with a thickness of 0.230 and over, or sections over 48 in wide with a thickness of 0.180 and over
156 sf
any single opening cannot exceed ______ in area (fire partition)
deadman
any type of anchor embedded in the supported soil and tied to the retaining wall
William Le Baron Jenney, Home Insurance Building, Chicago, 1885
architect, building, location, date of first skyscraper
sheet membranes
built-up layers of bituminous saturated felts similar to roofing or single-ply membranes of synthetic materials such as butyl, polyvinyl chloride, and other proprietary products
B
business for office or service transactions (offices, banks, educational above 12th grade, post office)
13 ft
drive aisle width for one way parking
bush hammering
gives a rugged heavy texture by removing a portion of concrete surface with a manual or electric hammer with a head that has rows of small pyramids
heat-strengthened glass
glass that has greater resistance to impact, thermal stresses, and wind than annealed glass, but less than that of tempered glass
tempered glass
glass that is strengthened by introducing stress through rapid heating and cooling of the glass surfaces
crown, min 1/4 inch per ft
gradual slope for drainage from the center of the roadway, min slope
1.5
green roof should be constructed on a deck with a slope of at least _____%
42 in high
guards must be a min of ____ high
4.5 in
handrails may project a max of ____ on both sides of a stairway
12 in
handrails must extend at least _____ beyond the top and bottom of the ramp segmet
bactericidal copper alloy
hardware finish that kills several bacteria types on contact. good in hospitals, nursing homes etc
48 in
hardware for accessible doors may not be mounted more than _______ above the finished floor
interconnected locks
have a cylindrical lock and a dead bolt, single action of turning a knob or lever handle on the inside releases both bolts
jet pump (Venturi pump)
have pump and motor aboveground and lift water using the Venturi effect
annealing
heat (metal or glass) and allow it to cool slowly, in order to remove internal stresses and toughen it.
ground-coupled heat exchangers
heat or cool outside air by circulating it through pipes buried in the ground
latent heat
heat that causes a change of state of a substance, such as the heat required to change water into steam
batch system
heats water directly in a black-painted tank inside a glazed box. this passive system is simple but subject to freezing and nighttime heat loss
RIGID STEEL CONDUIT
heaviest type of metal conduit and is connected to junction boxes and other devices with threaded fittings
34-38 in
height of a ramp handrail (range)
0.2 in
height of truncated domes
34-48 in
height range for operating devices including door handles, pulls, latches and locks (excluding locks only used for security purposes)
sprayed foam insulation
high R-value, fills all cracks
ashlar
highly shaped stone, aka cut stone
latchset
holds the door in place but has no provision for locking
power factor
how effectively the ballast converts supplied power into usable power
6 weeks
ideally, concrete slabs should be allowed to cure and dry for a min of _____ before resilient flooring is installed
1/3
if a building is fully sprinklered, the min separation distance between two exits is reduced to _____ the max diagonal dimension of the room or area to be served
25%
if at least _____ of the building's perimeter is located on a public way or open space, the basic allowable area may be increased (provided the public way or open space is at least 20 ft wide)
10-20
if both a vapor retarder and an air barrier are used and they are separate membranes, the air barrier should be _____ times more permeable to water vapor diffusion than the vapor retarder, to prevent trapping moisture between the two layers
5%
if fixed or built-in seating or tables are provided in accessible public or common-use areas, then at least _____ and no fewer than 1 must be accessible
80 in
if vertical clearance of an area adjacent to an accessible route is reduced to less than _______, a guardrail or other barrier must be provided
tooling
imparts a decorative effect to the wall, makes joints more watertight by compressing the mortar near the exposed surface
deadband
in a building control system the range of temperatures within neither heating or cooling is needed
25 ft
in group A and E occupancies, if the structural framework of the roof is more than ____ above the floor, fire protection may be omitted
outside
in mixed climatic regions, a vapor permeable air barrier should be placed _____ the insulation, and no vapor retarders should be used
high-intensity discharge lamps
include mercury vapor, metal halide, and high- and low-pressure sodium lamps
wood siding
individual boards applied horizontally , diagonally, or vertically ( mostly from redwood, dear, douglas fir, & pine)
100 ft/min
industry standard escalator speed
MDF
panel product made from wood particles reduced to fibers in a moderate pressure steam vessel and then combined with a resin and bonded together under heat and pressure
focusing collectors
parabolic reflectors that focus the incoming radiation to a single pipe that carries the heat-transfer medium
19.8 ft
parking space depth for one way 45 degree parking
9 ft
parking space width
air barrier
part of a building envelope system that controls infiltration and exfiltration
reactance
part of the electrical resistance in an alternating current circuit, caused by inductance and capacitance
split
similar to a check except that the separation extends completely through a piece of lumber, usually at the ends
drawing
similar to extruding but metal is pulled from a die instead of pushed through
tempering
similar to quenching but doe not involve rapid cooling
half-round slicing
similar to rotary slicing but log is cut in half and veneer is cut slightly across the annular growth rings. pronounced grain pattern
single automatic
simplest type of elevator system
recuperative gas boiler (fuel economizer/boiler economizer)
recovers the heat in the flue gases that would normally be discharged to the atmosphere
plasticizer
reduces the amount of water needed while maintaining the needed consistency for correct placement and compaction, makes it possible to mix higher-strength concrete
American Standard I-Beams (S)
relatively narrow flange width in relation to depth, inside faces of flanges have a slope of 1:6, beams only
thermosiphon system
relies on natural movement of heated water to circulate water in a passive open loop system, storage tanks must be located above collectors
glazing stops
removable pieces of framing that allow glass to be installed and removed easily if it must be replaced
Particulate filters
remove large particles such as dust and lint from the air, must be cleaned or replaced frequently
R-4
residential assisted living 6-15 people (small assisted living)
R-1
residential for transient lodging (hotels, motels)
R-2
residential with 3 or more units (apartments, dorms, condos, convents)
direct glare
results when a light source in the field of vision causes discomfort and interference with the visual task
Reheat (constant volume) system
return air and fresh outdoor air are mixed
upflow furnace
return air is supplied at the bottom of the unit and the heated air is delivered to the bonnet above the furnace where it is distributed through ductwork
built-up roofing
roofing made up of piles of saturated roofing felts alternated with layers of pitch or hot asphalt cement and surfaced with gravel or a cap sheet
spinning
round shapes on a lathe, type of metal production
cricket
saddle-shaped projection on a sloping roof used to divert water around an obstacle
277 / 480 V Three Phase (three transformers), four-wire
same as 120/208 except voltage is higher
Light Emitting Diode (LED)
semiconductor device that uses solid-state electronics to create light
check
separation of the wood fibers occurring across or through the annual growth rings, a result of improper seasoning
metal lath
sheet metal or wire fabric into which a base coat of plaster is keyed
perforated metal
sheet metal that has been punched with a regular pattern of holes
pozzolan
supplementary cementitious material. decrease permeability, increase strength, improve resistance to alkali-silica reaction(ASR), and sulfate attack
multizone system
supplies air to a central mixing unit where separate heating and cooling coils produce separate hot and cold airstreams
design equivalent temperature difference (DETD)
takes into account air temp differences, effects of the sun, thermal mass storage, colors, finishes, and dailly temp range
superinsulation
technique of providing higher levels of insulation than normally used, tightly sealing all joints and cracks, and preventing any thermal bridges between the outside and inside
radon
test for this when earth sheltering
75 ft
the IBC defines a high-rise building as one with occupied floors more than _____ above the lowest level of fire dept vehicle access
ductility
the ability of a substance to be drawn, pulled, or extruded through a small opening to produce a wire
most restrictive
the allowable area and height must be based on the ___ _______ allowances for the occupancy groups under consideration for the type of construction for a mixed use building
solar constant
the amount of solar energy received per unit area, per unit time on a surface at right-angles to the sun's beam at the edge of the Earth's atmosphere
Relative Humidity (RH)
the amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature.
altitude
the apparent height of a celestial object above the horizon, measured as an angle.
noise reduction
the arithmetic difference, in dB, between the intensity levels in two rooms separated by a barrier of a given transmission loss
framing
the assembly of lumber and timber components to construct a building
Noise Reduction Coefficient (NRC)
the average sound absorption coefficient to the nearest 0.05, measured at the four 1/3 octave band center frequencies of 250/500/1000/2000 Hz
galvanic action
the corrosion action that results when dissimilar metals come in contact with each other in the presence of an electrolyte such as moisture
general overhead
the cost of running a contracting business and includes such things as office rent, secretarial help, utilities, etc.
Ohms law for DC circuits
the current in a circuit is directly proportional to the voltage and inversely proportional to the resistance. I=V/R
illuminance
the density of luminous flux incident on a surface in lumens per unit area
Transmission Loss (TL)
the difference (dB) between the sound power incident on a barrier in a source room and the sound power radiated into a receiving room on the opposite side of the barrier
inverse square law
States that the intensity of radiation is inversely proportional to the square of the distance from the source of the radiation to the point of measurement.
Monel metal
Whitish in color, pliable for good adjustment, resists corrosion, mostly used for temples, bridges, and fronts, combination of copper and nickel
floating floor
Wood or laminate flooring that is not fastened or adhered to the subfloor
softwoods
Woods that come from coniferous trees (trees that have needles and cones rather than leaves.)
expanded polystyrene (EPS)
Closed-cell foam used for a growing number of purposes including building insulation.
Self-Consolidating Concrete (SCC)
Concrete formulated so that it is highly flowable and fills formwork completely without needing consolidation (no vibration)
U bead
Edge trim in which the edge of the metal is noticeable. Sometimes called J metal by contractors. Does not require finishing with a joint compound
L bead
Edge trim without a back flange; good for installation after the wallboard has been installed; requires finishing with joint compound.
Henry Bessemer
Englishman who developed the first efficient method for the mass production of steel in 1856
Daylight Factor (DF)
Expressed as a percentage, the ratio of the indoor illuminance at a point on a horizontal surface to the unobstructed exterior horizontal illuminance (direct sunlight excluded). Can be calculated and compared with recommended daylight factors for various tasks (1.5% - 4% (difficult tasks))
Glued Laminated Timber (Glulam)
Laminated timber is constructed from planks glued together to form sections which are larger than could be achieved with natural timber
karst
Landscape in which soluble rocks such as limestone, dolomite, and gypsum have dissolved, forming caves and other voids below the surface.
flying forms
Large fabricated Forms that are removed and reused. Typically used with large repetitive buildings such as apartments and hotels
1.5%
____ slope is suitable for rough paving
HCFCs
_____ should not be used in production of insulation
maximize
_____ the distance between the sources of the noise and the receiver
thin
______ sections are best for natural ventilation and daylighting
ceiling
______ treatment for sound absorption is more effective in large rooms
plastics (silicone and polyurethane)
_______ are usually reserved for above grade dampproofing
granular
_______ soil is ideal for earth sheltering
active chilled beam
a ceiling mounted unit that uses water to provide cooling and heating. integrated with a ventilation system.
Exterior Insulation and Finish System (EIFS)
a cladding system that consists of a thin layer of reinforced stucco applied directly to the surface of an insulating plastic foam board
hydrologic soil group
a classification of soils based on their potential for runoff when thoroughly wet. group A - contains soils high in gravel and sand that have high permeability and low runoff potential - group D which contains clayey soils that have low permeability and high runoff potential
lacquer
a coating material with a high nitrocellulose content modified with resins and plasticizers dissolved in a volatile solvent
guard
a component whose function is to prevent falls from an elevated area
Sick Building Syndrome (SBS)
a condition associated with a particular indoor environment that appears to be unhealthy for the human occupants
cup
a deviation from true plane along the width of the board
controller
a device that measures, analyzes and initiates actions in a building control system
creosote
a distillate of coal tar and effective protection of wood from insects. insoluble in water and relatively easy to apply, used mainly to protect railroad ties, marine timbers, and roadway guard posts
50-70, SHGC
a good choice for glare control is glass with a VLT from _____________ % combined with the lowest possible _________
kelly ball test
a hemispheric mass of steel with a calibrated stem is dropped onto a slab of freshly laid concrete
passivity
a layer of nonreactive molecules does not allow metal ions at the surface to migrate into solution
mixing
a layer of sand or gravel can be placed on less stable soil and mixed in
shake
a lengthwise separation of the wood that usually occurs between or or through the annual growth rings
60 ft
a long span is generally considered to be one over _______ in length
articulation index
a measure of speech intelligibility calculated from the number of words read from a selected list that are understood by an audience. A low articulation index (less than 0.15) is desirable for speech privacy, whereas a high articulation index (above 0.6) is desired for good communication.
Heating Seasonal Performance Factor (HSPF)
a measure of the performance of a heat pump operating in the heating cycle
ground coupled cooling
a method of cooling a building by direct contact with the earth or circulating air through underground tunnels
underpinning
a method to temporarily support existing foundation while they are being repaired or strengthened or when they are being extended to a lower level
mortar
a mixture of sand, water, lime, and cement used in building for holding bricks and stones together
vent
a pipe or factory-made component that contains a passageway for carrying combustion products and air to the atmosphere
cast stone
a precast building stone manufactured from Portland cement and concrete, used as a trim, veneer, or facing on or in buildings or structures
bonderizing
a process in which manganese is electroplated to steel; helps increase resistance to corrosion
material and labor costs, cost of equipment fees and services, and contractor's overhead and project
a project estimate should include these 3 things
brownfield
a property which has the presence or potential to be a hazardous waste, pollutant or contaminant.
octave band
a range of frequencies in which the upper frequency is twice that of the lower
30-40%, 5
a row of trees will decrease wind velocity _____ at a distance about _____ times the height of the trees
2.5%
a safe sidewalk slopes no more than _____
thickness, density, porosity, and orientation of fibers
amount of absorption of sound absorber is dependent on these 4 things
displacement ventilation
an air distribution system in which supply air originates at floor level and rises to return air grilles in the ceiling
brass
an alloy of copper and zinc
3.41
1 Watt = ______ BTU/hr
decibel
10 times the common log of the ratio of a quantity to a reference quantity of the same kind, such as power, intensity, or energy density
rise greater than 6 in, length greater than 72 in
2 conditions for a ramp to have a handrail
tremie
A pipe for placing concrete under water. A hopper for filling is provided at the top, while the lower end is kept submerged in fresh concrete.
fire barrier
A fire-resistance-rated vertical or horizontal assembly of materials designed to restrict the spread of fire in which openings are protected
exit enclosure
A fully enclosed portion of an exit that is only used as a means of egress and provides a protected path of egress in a vertical or horizontal direction
center match
Has an even number of veneer leaves of uniform width so that there is never a joint in the center of the panel
gross floor area
Includes stairs, corridors, toilet rooms, mechanical rooms, closets, and interior partition thickness when calculating occupant load.
finish grading
Refers to the final leveling and smoothing of soil surfaces to their required contours and elevations.
fire partition
A wall assembly with a 1-hr fire resistance rating.
Single Wythe Wall
A wall composed of a single unit of masonry in thickness (a one brick or block thick wall).
veneer wall
A wall made up of a single vertical thickness of masonry designed to improve the exterior appearance of a building.
Variable Voltage, Variable Frequency (VVVF)
AC control system that uses a rectifier and an inverter to convert AC power to DC power and then to variable-voltage, variable-frequency three-phase AC current. result is very accurate and efficient speed control
1990
ADA became law in this year
62.1
ASHRAE standard for min outdoor air ventilation levels
lockset
An assembly of parts making up a complete locking system including knobs,plates and a locking mechanism
Fire door assembly
Any combination of a fire door, frame, hard work, and other accessories that provides a degree of fire protection to an opening
Glass-Reinforced Gypsum (GRG)
Broad class of products manufactured from high-strength, high-density gypsum reinforced with continuous-filament glass fibers or chopped glass fibers.
steel or stainless steel
fire rated doors must have ____ or ______ ______ hinges
International Residential Code
a simplified mode code specifically addressing the construction of detached one-and-two family homes and townhouses of limited size.
Noise Isolation Class (NIC)
a single number rating derived from the measured value of noise reduction between two rooms.
bronze
an alloy of copper and tin
Sound Transmission Class (STC)
an average of a barrier's ability to reduce sound over several frequency bands. the higher the STC rating, the better the barrier's ability to control sound transmission
oriented strand board (OSB)
an engineered panel product manufactured from precision-cut wood strands a max of 4 in long and 0.0027 thick.
membranes
built-up layers of hot- or cold-applied asphalt felts or membranes of butly, polyvinyl chloride, and other synthetic materials
silica fume
collected by filtering the smoke created during the production of silicon and ferrosilicon metals
concrete
combination of cement, fine and coarse aggregates, and water
interior finish
defined in IBC as wall and ceiling finish including wainscoting, paneling, or other finish applied structurally or for decoration, acoustical correction, surface insulation, or similar purposes
3 dB
each doubling of the amount of absorption in a room results in a noise reduction of only _____
medullary rays
radial cells extending from the center of the tree to its circumference. causes markings perpendicular to the grain in Oak trees
45 ft
radius for straight body truck
1:8
ramp slope permitted if max rise doesn't exceed 3 inches
1:10
ramp slope permitted if the max rise does not exceed 6 inches
wire nails
range in size from six penny to sixty penny
plywood
sheets of thin veneer glued together to form a rigid panel; sheets made in standrard 4' x 8' dimensions
wash
slope of coping
6 in
handrail required on both sides of a ramp if rise is greater than _____
low-voltage switching
in this system, individual switches are operated on a 24 V circuit and control relays that provide the 120 V switching. More costly to install, but has several advantages
cast iron
iron with a carbon content above 2%; very hard but brittle
wrought iron
iron with very low carbon content and a substatial amount of slag; soft ductile and resistant to corrosion
24 ft
min drive aisle for double loaded 90 degree parking
6'8"
min headroom for stairs
80 in
min height of egress doors
19 ft
min parking space depth for double loaded 90 degree parking
0.2 in
min required width of exits = occupant load factor times ______ (non-stair)
0.3 in
min required width of exits = occupant load factor times ______ (stairs)
60 in
minimum ramp landing length
20 min
minimum rating for openings in smoke barriers
1/4 in/ft
minimum roof slope
0.5%-2%
minimum slope of building sewer depending on the size of the pipe
1/4 in/ft perp to walking surface
minimum slope of walking surface for drainage
36 in
minimum width of any stair
6 ft
minimum width of collector walks next to parking
composite decking
mixture of small wood fibers and plastic that is formed into planks used for exterior decks and railings
PCP
oil-borne preservative used to treat utility poles and cross arms, fresh water pilings and bridge timbers
required span, seismic loads, efficiency, cost, time, fire protection, material availability
structural system considerations (7)
rigid frame
structural system in which the vertical and horizontal members and joints resist loads primarily by flexure, and in which moments are transferred from beams to columns
scrubbed
surface of concrete is wetted and ______ with a wire or fiber brush or remove some of the surface mortar and expose the coarse aggregate
roping
the arrangement of cables used to hoist an electric elevator
luminous intensity
the solid angular flux density in a given direction measured in candlepower or candelas
Dry Bulb Temperature
the temperature of the air-water mixture as measured with a standard dry bulb thermometer
panel filter
trap only the largest particles
evergreens
trees that keep their leaves year-round
S
storage occupancy
dBA
unit of sound intensity measurement that is weighted to account for the response of the human ear to various frequencies
squares
when describing size, estimating, and ordering roofing materials, roofing area is referred to in _____, equal to 100 sf
evaporation
when moisture changes to a vapor as a person perspires or breathes
fluid-applied systems
waterproofing materials that include modified asphalts, urethanes, and other synthetics, applied on the positive side (exposed to water)
bentonite systems
waterproofing system that uses an assembly of bentonite clay inside kraft paper packages or plastic liners in panel form
24 ft
two-way driveway entries should be ______ wide
miscellaneous
type I risk category in IBC
K-series
type of OWJ that spans up to 60 ft
Polycrystalline cells
type of PV cell less expensive than other PV cells but also produce less power
thin-film cells
type of PV cells that can be deposited onto other materials such as glass, metal, and plastic, ideal when the cells need to be fused to other building materials as part of a building-integrated PV system
flush door
type of door that gives a single smooth surface on both sides
intensive
type of green roof, greater than 1 ft of plants
wall
______ treatment for sound absorption is more effective in small rooms
flitch
A large timber from which veneers are cut.
23.5
The angle which the earth's axis is tilted
7 in
door must not project into path of egress travel more than ______
F-2
factory low hazard
bedrock
highest bearing capacity of all soil types
12 ft
one-way driveway should be _____ minimum
VOCs
organic compounds that become vapors at typical atmospheric temperatures
plywood web joists
wood I-beams. higher load capacity than wood joists. use wood from 2nd/3rd growth timber forests. minimal shrinkage, ease of handling, uniformity in size & shape
heartwood
wood from the center of the tree
ASHRAE 90.1
Standard for Energy efficiency of buildings
NFPA 80
Standard for Fire Doors and Other Opening Protectives
NFPA 257
Standard on Fire Test for Window and Glass Block Assemblies
office buildings, hospitals, retail, schools, labs
5 examples of internal load dominated buildings
Programmatic Concepts
Statements about functional solutions to the client's performance requirements
deciduous
broad-leaved trees that lose their leaves in the winter, such as oak, walnut, and maple
flood test
common way to verify watertightness
redwood, cedar
commonly used species for exterior applications where resistance to moisture is required
7'6x15 ft
compact size of parking space
16-18 in
distance from c.l. of accessible toilet to wall (range)
two way system
distribute loads to supports in both directions and involve complex, 3d methods of resisting loads
60-80 ft
double tees span range
power
equals current times electromotive force
T=0.05(V/A)
equation for reverberation time
I=P/4πr^2
equation relating power and sound intensity
30
escalators are housed in a trussed assembly set at a _____ angle
thermal barrier, rigid insulation, waterproof membrane, root barrier, drainage layer, growth medium
6 components of a green roof over a metal deck
waterproof membrane, root barrier, rigid insulation, drainage layer, filter fabric, growth medium
6 components of green roof over a concrete deck
air temp, humidity, air movement, surface temp, clothing, ventilation
6 factors that dictate thermal comfort
initial, operational, maintenance, replacement, finance, taxes, residual value
7 parts of a life cycle cost analysis
I-1
> 16 ambulatory people on a 24-hr basis (assisted living, nursing home, convalescent facilities)
I-3
> 5 people restrained (jails, prisons, reformatories)
glazing factor
A LEED based number calculated by taking into account window area, floor area, a window geometry factor, light transmission, and a window height factor.
solid stock
A board that is one single solid type of wood
means of egress
A continuous and unobstructed path of vertical and horizontal egress travel from any point in a building or structure to a public way
astragals
Vertical members used between double doors to seal the opening, act as a doorstop, or provide extra security when the doors are closed.
ground light
Visible light from the sun and sky, reflected by exterior surfaces below the plane of the horizon
water-resistive barrier
WRB stands for
cellular metal floors
essentially metal decking designed for use as cable raceways. Cells are closer together than underfloor ducts
400 sf/car
estimated area for parking (sf/car)
no. 4 finish
general purpose polished finish that is dull and prevents mirror reflection, one of the most frequently used architectural finishes
fiber saturation point
moisture content when cells are completely saturated with bound water but no free water inside cell cavities
30 degree
most common angle of spiral stair treads
25 and 20
most common gages for metal studs
Sound Absorption Coefficient
ratio of the sound intensity absorbed by a material to the total intensity reaching the material
suction pump
suitable for water tables less than 25 ft
false
true/false: an AOR is required if a building is equipped with an automatic sprinkler system
depth and yield
two considerations for well-drilling
continuous from floor slab to underside of the floor or roof slab above
unlike fire partitions, fire barriers must always be ______
48 in
unobstructed high forward reach above floor
15 in
unobstructed min forward low reach above floor
water-to-water heat exchanger (runaround coils)
use water or some other liquid transfer medium to exchange heat
grade beam on piers
used for foundations where expansive soil such as bentonite is present
Direct Current (DC)
used for some types of elevator motors and low-voltage applications such as signal systems, controls, and similar equipment
softwoods
used for structural and rough carpentry because of their greater availability and lower cost
flush bolts
used on the inactive leaf of a pair of doors to lock the doors
smoke barrier
A continuous vertical or horizontal membrane with a minimum fire-resistance rating of 1-hr that is designed and constructed to restrict the movement of smoke.
Adaptive Reuse
A conversion where the remodeling produces a creative reuse of the structure that is different from its original purpose
exit court
A court or yard that provides access to a public way for one or more required exits
pitch pocket
A defects in softwood consist of an opening in the grain that contains pitch or resin
fire damper
A device installed in ductwork that limits the spread of fire, usually activated by the melting of a link that holds it in its normally open position.
Arc-Fault Circuit Interrupter (AFCI)
A device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.
Ground Fault Circuit Interrupter (GFCI)
A device that interrupts and de-energizes an electrical circuit to protect a person from electrocution.
R-3
1 or 2 dwelling units with attached uses or child care less than 6, less than 24-hr care (B&B, small child care)
scratch, brown, finish
3 coats in typical plaster install
ceilings, walls, and carpet
3 most common acoustical treatments
indoor/outdoor/bio contaminants, poor ventilation
4 causes of poor IAQ
fixed sash, double hung, casement and horizontal pivoted
4 common types of wood windows
houses, apartments, condos, warehouses
4 examples of external load dominated buildings
mortise, preassembled, bored, and interconnected
4 types of latches and locks
actuator
A device to produce physical movement based on output from a computer system.
hygrometer test
"Relative Humidity Test" - Moisture of the concrete is assessed by measuring the relative humidity of the air directly adjacent to it
suspended particle device glazing (SPD)
- light absorbing particles in a liquid - clear to opaque (ok for privacy) - can be controlled with a rheostat
fire-protection-rated glazing
1/4" thick wired glass in steel frames or other types of glazing that meet the requirements of NFPA 252 or NFPA 257.
flat plate heat recovery units
2 separate ducts: 1 for incoming air & 1 for exhaust, separated by a thin wall that facilitates the heat transfer. only exchanges sensible heat, no humidity control
louvered door
A door having a louvered opening for the passage or circulation of air
Exit access doorway
A door or access point along the path of egress travel from an occupied room, area, or space where the path of egress enters an intervening room, corridor, unenclosed exit access stair or unenclosed exit access ramp
panic hardware
A door-latching assembly that will open the door if subjected to pressure.
fire partition
A fire resistive component used to separate dwelling units in r-2 construction, one hour rated construction, similar to fire barriers, but requirements for fire support are not as strict.
mineral wool
A generic term for mineral fibers of a woolly consistency normally made from molten glass, rock, or slag. Insulation composed principally of fibers manufactured from rock, slag, or glass with or without binders.
reflective glass
A glass having a thin, translucent metallic coating bonded to the exterior or interior surface to reflect a portion of the light and radiant heat that strike it.
PCBs
A group of industrial compounds used to manufacture plastics and insulate electrical transformers, and responsible for many environmental problems.
flat-plate solar collector
A heat-absorbing metal plate in a flat box; used to absorb the sun's energy and utilize it for heating.
Half-Surface Hinge
A hinge having one leaf mortise into a door frame and the other surface mounted to the face of the door
Half Mortise Hinge
A hinge having one leaf mortise into the edge of a door in the other surface mounted to the door frame
structural tubing
A hollow structural steel shape of square, rectangular, or circular cross section. It is designated by the prefix TS followed by the side dimensions or diameter and the wall thickness
structural clay tile
A hollow tile of fired clay having a parallel cells or cores, used in building walls and partitions.
Exit passageway
A horizontal fully enclosed portion of an exit that is only used as a means of egress
vapor retarder
A layer of material intended to resist the diffusion of water vapor through a building assembly.
Autoclaved aerated concrete (AAC)
A lightweight, precast concrete made with *aluminum powder* as an extra ingredient, hardened in molds, and *cured in an autoclave*; *provides excellent insulation value, reduced air infiltration, and improved acoustic properties*; also requires less cement than does standard concrete
smoke damper
A listed device installed in ducts and air transfer openings that is designed to resist the passage of smoke.
mortise lock
A lock housed within a mortise cut into a door edge so that the lock mechanism is covered on both sides, allow the use of a deadbolt
laitance
A low-strength layer of fine particles that floats to the surface of wet concrete.
Coproduct
A marketable byproduct from a process that can include materials traditionally considered to be waste but that can be used as raw materials in a different manufacturing process.
turbidity
A measure of how clear water is.
lift-slab construction
A method of building multistory site-cast concrete buildings by casting all the slabs in a stack on the ground, then lifting them up the columns with jacks and welding them in place.
Balloon Framing
A method of framing in which the wall studs rest directly on the sill plate and each floor "hangs" from the studs
platform framing
A method of framing wood stud walls in which the studs are one story in height and the floor joists bear on the top plates of the wall below.
impact hammer test
A nondestructive test to determine the strength of hardened concrete, by measuring the rebound of a plunger after striking the concrete surface. This test is not accurate enough to be a substitute for standard compression tests.
Eutrophication
A process by which nutrients, particularly phosphorus and nitrogen, become highly concentrated in a body of water, leading to increased growth of organisms such as algae or cyanobacteria.
masonry cement
A proprietary mix of portland cement and other ingredients, such as hydrated lime, plasticizers, air-entraining agents and gypsum requiring only the addition of sand and water to make cement mortar.
ground source heat pumps (GSHPs)
A pump that harnesses geothermal energy from near-surface sources of earth and water, in order to heat and cool buildings. Operates on the principle that temperatures below ground are more stable than temperatures above ground.
Integrated Part Load Value (IPLV)
A single number figure of merit based on part-load EER or COP
accessory occupancy
A space or room that is ancillary to a main occupancy but that does not exceed 10% of the floor area of the story in which it is located.
interior exit stairway
A stairway that is an exit component that meets one or more means of egress requirements
environmental product declaration (EPD)
A standardized, internationally recognized, comprehensive tool for providing information on a product's environmental impact, based on an ISO-compliant life-cycle assessment (LCA) and can be verified by a third party. This includes a detailed analysis that considers all processes in the life cycle of the product, such as raw material extraction and refining, energy use and efficiency during manufacture, transportation methods, and end-of-service-life recycling.
Demand control ventilation
A system designed to adjust the amount of ventilation air provided to a space based on the extent of occupancy. The system normally uses some type of sensors
insulating concrete form (ICF)
A system of lightweight components, most commonly made of rigid polystyrene insulating foam, used as permanent formwork for the casting of concrete walls.
Life Cycle Assessment (LCA)
A technique to assess environmental impacts associated with all the stages of a product's life, i.e., from raw material extraction through materials processing, manufacture, distribution, use, repair and maintenance, and disposal or recycling. While typically used to assess environmental impacts, this technique could be used to identify social impacts of a product's life cycle as well.
trombe wall
A thermal storage wall consisting of an external glass skin and an inner wall with a layer of air between, which warms the room behind it by convection.
Forest Stewardship Council (FSC)
A third-party certification body that certifies wood is cut from a sustainably managed forest.
welded wire fabric
A type of reinforcement used in reinforced concrete, consisting of a grid of steel wires perpendicular to each other and welded at all points of intersection. used for temperature reinforcement in slabs
metamorphic rock
A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions, e.g. marble and slate
sedimentary rock
A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together. e.g. sandstone and limestone
nonvitreous tile
A type of tile that has a water absorption rate of more than 7%
heavy timber construction
A type of wood construction made from large wood members and solid timber decking in a post-and-beam configuration; in the International Building Code, buildings of Type IV HT construction, consisting of heavy timber interior construction and noncombustible exterior walls, which are considered to have moderate fire-resistive properties.
energy recovery ventilator
A ventilator that recovers latent and sensible energy from the exhaust airstream and imparts it to the incoming airstream. generally used in continuously occupied buildings
design theory
A way to direct design based on a system of beliefs or philosophy.
efflorescence
A white, powdery deposit that forms on an exposed masonry or concrete surface, caused by the leaching and crystallization of soluble salts from within the material.
Bulk Plane Restriction
A zoning technique that establishes an imaginary inclined plane beginning at the lot line or the center of the street at a given elevation and slopes at a prescribed angle toward and over the lot. The building cannot extend beyond this plane.
Conditional Use Permit
Allows a nonconforming use or other use in the zoning ordinance if the property owner meets certain conditions.
Flexible Metal-Clad Cable
Also called Armored Cable (AC), or BX (trade name), Flex: often used in remodeling work (can be pulled thru existing spaces), also connects commercial light fixture so they can be relocated in a suspended ACT ceiling.
all-water system
An air-conditioning system in which either hot or chilled water is piped to fan-coil units in the served spaces, where air is circulated locally
area of refuge
An area where people unable to use stairways can remain temporarily while waiting for assistance
fire assembly
An assembly of a fire door, fire window or fire damper, including all required anchorage, frames, sills and hardware
electric elevator
An elevator operated by traction, in which steel cables with counterweights raise or lower the elevator car
exit access stairway
An interior stairway that is not a required interior exit stairway.
incidental use
Ancillary to a main occupancy and has the same classification as the nearest main occupancy, but poses a greater level of risk than that occupancy.
resilient flooring
Any of various floor coverings capable of springing back to the original form after being bent or compressed, available in either tile or sheet form and set in mastic over a suitable underlayment.
public way
Any street, alley, or similar parcel of land essentially unobstructed from the ground to the sky that is permanently appropriated to the public for public use and has a clear width of not less than 10ft.
Full Surface Hinge
Both leaves are applied to the surface, one to the door and the other to the frame (metal core door (MCD) or HM with CIF)
parameter method
Calculates an estimated cost per Sq Ft for many types of materials so that the designer can understand the cost implications of each, as well as mix and match materials or systems to arrive at a design that complies with the project budget.
fluorescent lamps
Contain mixture of an inert gas (argon) and low-pressure mercury vapor. Mercury arc is formed when lamp is energized creating ultraviolet light. This invisible light strikes the phosphor-coated bulb producing visible light.
144 ft
DLH series joists span up to _____
Visual Comfort Probability (VCP)
Defined as the percentage of normal vision observers who will be comfortable in that specific visual environment.
coordinator
Device used with double doors that have an Astragal to coordinate the closing sequence
graywater
Domestic wastewater composed of wash water from kitchen, bathroom, and laundry sinks, tubs, and washers. (EPA)
sally port
Double-Gated or Double-Door entry or exit point that restricts movement between freedom and incarceration
LK bead
Edge trim for use with various thicknesses of wallboard in a kerfed jamb (one with a small slot cut in). It required finishing with joint compound.
batt insulation
Fiberglass or rock-wool insulation with various thicknesses. May or may not have a paper covering.
tuckpointing
Filling fresh mortar into cutout or defective joints in masonry
plaster
Finish material made from various types of cementing compounds, fine aggregate, and water.
fire wall
Fire-rated wall with a specified degree of fire resistance, built of fire-resistive materials and usually extending from the foundation up to and through the roof of a building, that is designed to limit the spread of a fire within a structure or between adjacent structures.
solid surfacing
Generic term for homogenous, polymer-based surfacing materials. Combination of 2 ingredients: filler and a clear resin binder, either acrylic, polyester, or a mixture of the 2
Fire-Resistance-Rated Glazing
Glass or other glazing material that has been tested as part of a fire-reistance-rated wall assembly according to ASTM E119
electrochromic glass
Glass that changes transparency with electricity.
low-e glass
Glass which transmits visible light while selectively reflecting longer wavelengths of radiant heat
wide-flange (W)
H-shaped sections used for both beams and columns, width of flange is greater than that of standard I-beams
terracotta
Hard-baked clay, used for sculpture and as a building material. It may be glazed or painted.
case hardening
Hardening of the outer surface (or case) of a steel component by a carburizing or nitriding process; used to improve wear and fatigue resistance.
panic hardware
Hardware mounted on exit doors in public buildings that unlock from the inside and enable doors to be opened when pressure is applied to the release mechanism.
furring channel
Hat channel, used for ceiling framing and to fur out from concrete or masonry walls if walls are uneven or if additional depth is needed.
quenching
Heating metal to moderate temperature before cooling quickly. - Hardens metal but makes more brittle.
operation
used to describe the way the electrical systems for an elevator or group of elevators answer calls for service
backset
Horizontal distance from the face of a lock or latch to the center of the knob or lock cylinder
Vermiculite
Hydrated laminar magnesium-aluminum-iron silicate that resembles mica. Was mined in Montana in location known to contain some asbestos. When heated in processing, it turns into worm-like pieces. Concern with loose, pour-in insulation used in attics and concrete blocks. Uses: pour-in insulation, acoustic finishes, fire protection, and sound-deadening compounds.
vermiculite
Hydrated laminar magnesium-aluminum-iron silicate that resembles mica. Was mined in Montana in location known to contain some asbestos. When heated in processing, it turns into worm-like pieces. Concern with loose, pour-in insulation used in attics and concrete blocks. Uses: pour-in insulation, acoustic finishes, fire protection, and sound-deadening compounds.
2
IBC requires ____ drinking fountains be provided
net floor area
Includes only the space actually used by the occupant when calculating occupant load.
Abraham Darby
Invented coke smelting (1709) and advanced the mass production of brass and iron goods. Coke smelting replaced charcoal with coal in metal foundries during the process of refining metals; and this was important to Britain's future since charcoal at that time was becoming scarce and was more expensive.
96 ft
LH series joists span up to ______
Laminated Veneer Lumber (LVL)
Lumber made from ultrasonically graded Douglas fir veneers, which are laminated with all grains parallel to each other with exterior-grade adhesives under heat and pressure.
luminance
Luminous flux per unit of projected area and unit solid angle leaving a surface, either reflected or transmitted.
flue gas desulfurization
Main source for synthetic gypsum in North America, process where power-generating plants remove polluting gases from their stacks to reduce emission of harmful materials into atmosphere
plain sawing
Makes the most efficient use of the log and is the least expensive. Wood is cut with various orientations to the grain of the tree results in surface with characteristic cathedral pattern
admixtures
Materials that are added to a concrete mix to change certain properties of the concrete such as retarding setting time, reducing water requirements, or making the concrete easier to work with.
30 ft
Maximum distance for a 1:12 ratio ramp between landings
1:12
Maximum slope of a ramp
chairs
Metal supports made of heavy wire to hold the steel bars in place during the pouring of concrete in a form
form ties
Metal wires or rods that hold concrete formwork together. The ties are placed close to one another to keep formwork from deforming. When formwork is stripped the wires or rods remain in place and the part which protrudes is either twisted off, broken off, screwed off, or pulled off depending on the type of tie.
ferrous
Metals that contain iron as their base material, such as steel.
nonferrous
Metals that do not contain iron, such as brass, bronze, and aluminum
matrix costing
Method of budgeting where a matrix is drawn showing the various alternatives along one side and the individual elements that combine to produce the total cost of the alternatives on the other side.
unit cost method
Method of budgeting where the project is broken down into its individual building components and the labor needed to install them.
blueprint matching
Most expensive way of laying up panels in a room. Panels are manufactured to precisely fit the room and line up with every obstruction so grain continuity is not interrupted. Veneers from the same flitch are matched over doors, cabinets, and other items covered with paneling.
scribe piece
Oversized piece of plastic laminate or wood that can be trimmed in the field to follow any minor irregularities of the wall
Fire exit hardware
Panic hardware that is listed for use on fire door assembly
fee in lieu
Payment of money by developer in place of meeting all or part of stormwater performance standards
collector walks
Pedestrian circulation paths should not cross roads, parking lots, or other areas of potential conflict; there should be ________ ________ next to parking areas so people can travel from their cars directly to a separate walk
variance
Permission obtained from zoning authorities to build a structure or conduct a use that is expressly prohibited by the current zoning laws; an exception from the zoning ordinances.
stack effect
Phenomenon of a strong air draft moving from ground level to the roof level of a building. Affected by building height, configuration, and temperature differences between inside and outside air.
random matching
Places veneers in a random sequence and veneers from different flitches may even be used
Spray Polyurethane Foam (SPF)
Polyurethane foam sprayed in place on a low-slope roof then covered with a protective coating.
drain down system
Potable water is circulated from the storage tank through the collector loop. Freeze protection is provided by solenoid valves opening and dumping the water at a preset low temperature. Collectors and piping must be pitched so that the system can drain down, and must be assembled carefully to withstand 100 psi. city water line pressures. Pressure reducing valves are recommended when city water pressure is greater than the working pressure of the system.
quarter sawing
Produced by cutting the log into quarters and then sawing perpendicular to a diameter line; tend to twist and cup less, shrink less, hold paint better and have fewer defects
NFPA 265
Standard Methods of Fire Tests for Evaluating Room Fire Growth Contribution of Textile or Expanded Vinyl Wall Coverings on Full Height Panels and Walls
Polyethylene Sheet Test
Qualitative test conducted by sealing a 18" x 18" sheet of plastic to the floor to trap excessive moisture. After minimum of 16 hours, visual inspection is made of the floor and the sheet. Presence of visible water indicates the concrete is insufficiently dry for the application of finishes.
Fire resistance rating
Rating assigned to a material or assembly after standardized testing by an independent testing organization; identifies the amount of time a material or assembly will resist a typical fire, as measured on a standard time-temperature curve.
Solar Heat Gain Coefficient (SHGC)
Ratio of heat admitted to the amount striking the glass
Busbars
Rectangular copper bars used to conduct high currents of electricity. Power is transmitted through multiple bars, insulated from one another, and arranged in a metal housing called a busway.
post-industrial
Referring to materials generated in manufacturing processes, (trimmings or scrap) that have been recovered or diverted from solid waste. Also called pre-consumer materials.
perimeter protection
Refers to the methods used by owners to secure access to the premises when the business is closed
radiant barrier
Reflective barriers that inhibit heat transfer by thermal radiation.
Clean Air Act of 1970
Required EPA to develop and enforce regulations to protect the public from airborne contaminants; forced states to follow and make sure the laws for followed in relation to the EPA. States allowed to decide officials for enforcement.
roof pond
Requires thermal mass similar to Trombe wall, but is located on the roof
NFPA 252
Standard Methods of Fire Tests of Door Assemblies
ASTM E119
Standard Test Methods for Fire Tests of Building Construction Materials
rift sawing
Saw cuts from a quartered log are always made radially to the center of the tree; because log must be shifted after each cut and since there is waste, it is more expensive
board insulation
Semi-rigid insulation formed into sections, rectangular both in plan and cross section, usually more than 120 cm (4 ft) long, 60-75 cm (2 - 2.5 ft) wide, and up to 10 cm (4 in )thick.
strike jamb
Side where door closes
hinge jamb
Side where hinge or pivot is installed
running match
Simply alternates bookmatched veneer pieces, regardless of their width or how many pieces must be used to complete a panel. Any portion left over from the last leaf of one panel is used as the starting piece for the next.
NFPA 285
Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Non-Load-Bearing Wall Assemblies Containing Combustible Components
NFPA 253
Standard Method of Test for Critical Radiant Flux of Floor Covering Systems Using a Radiant Heat Energy Source
NFPA 286
Standard Methods of Fire Tests for Evaluating Contribution of Wall and Ceiling Interior Finish to Room Fire Growth
exit discharge
That portion of the means-of-egress system between the termination of the exit and a public way.
exit access
That portion of the means-of-egress system that leads from any occupied portion in a building or structure to an exit.
occupant load factor
The amount of floor area presumed to be occupied by one person.
BTU (British Thermal Unit)
The amount of heat necessary to raise the temperature of one pound (1lb) of water one (1) degree Fahrenheit at or near maximum density.
bite
The amount of overlap between the edge of a glass pane and a window frame, stop, or lock-strip gasket.
fire area
The area and closed and bounded by firewalls, fire barriers, exterior walls, or horizontal assemblies of a building
workplane
The assumed height at which work is performed, usually considered to be at desk height, 30 in. above the floor.
knot
The base of a woody branch enclosed by a subsequent growth of wood in the stem from which it rises.
Acidification
The change in the chemical composition of soil, which may trigger the circulation of toxic metals.
Common Path of Egress Travel
The portion of the exit access travel distance measured from the most remote point within a story to the point where the occupants have separate access to two exits or exit access doorways and can make a choice about which direction to go.
exit access travel distance
The distance that an occupant would have to travel to get from the most remote point in the occupied portion of the exit access area, along the natural and unobstructed path of horizontal and vertical travel, to the entrance to the nearest exit.
fire zone
The division of a city in representation of the degree of fire hazard.
Automatic closing door
The door that is normally held in the open position, it is released to close on activation of smoke detector / fire alarm system, must be self-closing
finish carpentry
The final exposed wood fabricated on site. For example, wood-siding, trim, door and window framing, stairs, cabinetry, and built-ins.
solar savings fraction
The fraction of the total energy used by system that is provided by solar technology. Represented by the variable F, it is a decimal fraction from 0 to 1
Visible light transmittance
The fraction of visible light that passes through a glazing material
sensible heat
The heat energy that causes a change in temperature of a substance but does not contribute to a change in state
ball bearing hinge
The hinge equipped with ball bearing between the knuckles to reduce friction and ensure ease of operation. used in high frequency applications
Time Value of Money (TVM)
The idea that money available at the present time is worth more than the same amount in the future due to its potential earning capacity.
drainage easement
The legal rights granted by a land owner to a grantee, commonly a governmental entity, allowing the use of private land for Stormwater management
resistance
The number of hours needed for 1 BTU to pass thru 1 sf of material or assembly of a given thickness when the temp differential is 1 degree F
occupant load
The number of people that a building code assumes will occupy a given building or portion of a building.
Fire protection rating
The period of time for which an opening assembly maintains that ability to confine a fire or maintains its integrity
exit
The portion of the egress system that provides a protected path of egress between the exit access and the exit discharge.
Mean Radiant Temperature (MRT)
The weighted average of all of the temperatures of all of the surfaces visible from a given position.
common path of egress travel
The portion of the exit access travel distance measured from the most remote point within a story to the point where the occupants have separate access to two exits or exit access doorways and can make a choice about which direction to go.
smelting
The process by which ore is melted to separate the useful metal from other elements.
Emittance
The ratio of radiant energy emitted by a material to a blackbody at the same temperature.
window to wall ratio
The ratio of the net glazing area in your room or space to the gross exterior wall area
net metering
The requirement that a utility pay and charge equal rates regardless of which way electricity flows as a part of the utility Grid.
drain-back system
The solar heat transfer fluid automatically drains into a tank by gravity. Drain back systems are available in one or two tank configurations. A heat exchanger is necessary, because the city inlet pressure would prevent draining. The heat transfer fluid in the collector loop may be distilled or city water if the loop plumbing is copper. If the plumbing is threaded galvanized pipe, inhibitors may be added to prevent corrosion. Most inhibitors are non-potable and require a double wall heat exchanger. The pump used must be sized to overcome static head.
detention
The temporary storage of storm run off and the detention facility to control peak discharge rates and provides gravity settling of pollutants. Provides a gradual release of stored water at a controlled rate
reverberation time
The time it takes the sound level to decrease 60 dB after the source has stopped producing the sound
embodied energy
The total amount of energy used to extract materials and manufacture, transport, install, and use a product across its life cycle.
formwork
The total system of support for freshly placed concrete, including the mold or sheathing that contacts the concrete, as well as all supporting members, hardware, and necessary bracing.
loose-fill insulation
Thermal insulation in the form of mineral wool fibers, granular vermiculite or perlite, or treated cellulosic fibers, poured by hand or blown through a nozzle into a cavity or over supporting membrane
impervious tile
Tile that has a water absorption rate of 0.5% or less
brake forming
Type of cold forming: Common method of fabricating sheet metal components. Sheet steel is shaped on a press brake by squeezing it between a punch and a die block. HVAC ducts and storefront steel is made this way
hardpan
Unbroken mixture of clay sand and gravel. Good base for building foundations
candlepower
Unit of luminous intensity approximately equal to the horizontal light output from an ordinary wax candle
sabin
Unit of sound absorption equivalent to 1 square foot of perfectly absorptive material.
radiative cooling
Uses thermal mass to store heat during the day and release heat to the outside at night.
office, hotel, school, residential, and buildings with varying loads and different zones
VRF systems are ideal for ______ (5)
ASHRAE 62.1
Ventilation for Acceptable Indoor Air Quality standard
Recovered materials
Waste or byproducts that have been diverted from solid-waste disposal. The term does not apply to materials that are generated from or reused within an original manufacturing process.
Blackwater
Wastewater from toilets and urinals; definitions vary, and wastewater from kitchen sinks (perhaps differentiated by the use of a garbage disposal), showers, or bathtubs is considered blackwater under some state or local codes.
sheet flow
Water that drains across a sloping surface
reflected glare
When light from a source is reflected off a surface and then into eyes
heat pipe
a self contained device that transfers sensible heat energy from hot exhaust air to cool outdoor air
Direct Expansion (DX)
a self-contained unit that passes non-ducted air over an evaporator, which cools the air
Noise Criteria (NC)
a set of single-number ratings of acceptable background noise corresponding to a set of curves specifying sound pressure levels across octave bands
Home Energy Rating System (HERS)
a standardized system for rating the energy efficiency of residential building using the HERS council guidelines and the mortgage industry HERS accreditation procedures. A HERS score is a numeric value between 1 & 100 indicating the relative energy efficiency of a given home as compared with the HERS energy efficient reference home
weathering steel
a steel alloy that forms a tenacious, self-protecting rust layer when exposed to the atmosphere
Vierendeel truss
a structure composed of a series of rigid rectangular frames; but not a true truss as there are no triangles and the members resist bending, tension and compression
detectable warning
a surface feature built in or applied to walking surfaces or other elements to warn of hazards on a circulation path.
polyurethane
a synthetic resin manufactured from polymers joined by urethane used in adhesives, carpet padding, plastics, etc.
Chilled Beams
a type of convection HVAC system designed to heat or cool large buildings. Pipes of water are passed through a "beam" (a heat exchanger) either integrated into standard suspended ceiling systems or suspended a short distance from the ceiling of a room.
igneous rock
a type of rock that forms from the cooling of molten rock at or below the surface. e.g. granite
phon
a unit of loudness level of a sound equal to the sound pressure level of a 1000 Hz tone judged to be equally loud
board foot
a unit of measurement for lumber that equals 1'' x 12'' x 12''.
Effective Temperature (ET)
a value developed that combines the effects of air temperature, humidity and air movement
sol-air temperature
a value for outdoor temperature that combines the effects of temperature difference with solar radiation. used as (delta)T value in heat gain calcs. T=T(outside)+[ (a, surface's absorbance for solar radiation)(E, total solar radiation incident on the surface)/(h, the film coefficient of heat transfer by long-wave radiation and convection at the surface)]-7degreeF
0.04
a vapor barrier should have a permeance of less than _____ perm and be at least 10 mils thick
balance match
a veneer gluing process that utilizes veneer pieces trimmed to equal widths in each panel
control joint
a weak section intentionally created in the slab so that normal temp and stress cracking will occur along the joint instead of at random locations
terneplate
alloy of 75% lead and 25% tin, used to plate steel for roofing
heat pump
absorbs heat from a cooler location and transfers it to a warmer one, using the principles of refrigeration
slag wool
accounts for about 80% of products produced by mineral wool industry
1 in
acoustic material on a wall must be at least _____ thick in order to be effective
air-entraining agent
admixture; creates tiny bubbles in the concrete that increase workability and durability and improve it's resistance to freezing and thawing
vertical shrinking is minimized
advantage of balloon framing
each floor can be completed and used for constructing the next
advantage of platform framing
vav system
air is heated or cooled as needed in a central plant and distributed to the building at a constant temp through a single duct
induction system
air is supplied throughout the building under high pressure and velocity to each induction unit, where the velocity and noise are attenuated before the air passes over the coils and is heated or cooled as needed.
expansion joint
allows entire sections of a concrete structure to move independently of one another
economizer cycle
allows outdoor air to be used for cooling when temps are low enough.
isolation joint
allows two adjacent section to move independently of one another but more simple than an expansion joint. two pours separated by joint material
range masonry
arranges stones in uniform courses for the entire length of the wall
A-2
assembly for food and drink consumption (bars, restaurants, clubs)
A-4
assembly for viewing of indoor sports (arenas)
A-3
assembly for worship, recreation, etc. not classified elsewhere (libraries, art museums, conference rms > 50)
A-1
assembly with fixed seats for viewing of movie theaters, live performance (theaters)
design concepts
attempt at a physical solution, guided by programmatic concepts
15 dB
audible alarms must produce a sound that exceeds the prevailing sound level in the room by at least _______
0.2
average absorption coefficient of a room should be at least _____
360-400
average adult human bodies give off __________ BTU/hr (range)
hard surfaces
avoid _______ _____ near the source of noise
parallel
avoid _______ hard surfaces
firestops
barriers installed in concealed spaces to prevent the spread of fire caused by drafts
Compressive refrigeration
based on transfer of heat during the liquefaction and evaporation of a refrigerant.
portland cement
binding agent in concrete. made from lime, silica, iron oxide, and alumina
bridging
bracing between joists that prevents the joist from buckling under load
floating
brings cement paste to the surface, where it is consolidated and smoothed over the coarse aggregate
slip forming
used to form continuous surfaces such as tunnels and high-rise building cores
water barriers
can include exterior surfaces of walls, waterproof membranes within walls, roofing, below-grade waterproofing, drips and flashing
48 in
center of elevator call button is ______ max AFF
one way system
characterized by linear members that span in one direction and resist loads primarily by beam action or bending
multiple chemical sensitivity (MCS)
characterized by severe reactions to a variety of volatile organic compounds (VOCs) that are released by building materials and many consumer products
HCFCs
chemicals that have identified as ozone-depleting compounds and will be phased out by 2030
1.5 in
clear space between stair handrail and wall must be at least
5
clearly noticeable decibel change is about _____ dB
Extruded Polystyrene (XPS)
closed-cell material manufactured by mixing polystyrene pellets with various chemicals and then introducing a blowing agent. higher insulative value per unit thickness and higher compressive strength than EPS
bonderize
coat the steel (or metal) with an anticorrosive phosphate solution in prep of the application of paint enamel or lacquer
holding pond
collects the site runoff and releases it into the sewer system at a controlled rate without letting excess water flood other areas
preassembled locks (unit locks)
come from factory in a complete unit, slide into a notch made in the edge of the door and require little adjustment, seldom installed in new buildings
high-pressure decorative laminate
common finishing material used with arch. woodwork, thin sheet material made by impregnating several layers of kraft paper with phenolic resins and overlaying the paper with a patterned or colored sheet and a layer of melamine resin
southern pine, douglas fir, hem fir, eastern white pine, and hemlock
common species used for rough carpentry (5)
particleboard
composed of small wood particles, fibers, or chips of various sizes mixed together in a binder and formed under pressure into a panel. generally preferred for backing and framing of finish carpentry bc it is less expensive and more dimensionally stable than plywood
clay
composed of smaller particles than silts, have some cohesion, plastic in behavior when wet
Structural Insulated Panels (SIPs)
composite building unit consisting of two outer skins bonded to an inner core of rigid insulating material. decrease construction time, improved insulation value with no thermal bridges, reduced air infiltration, stronger than conventional stud and sheathing construction, very flat walls for subsequent finishes, dimensional stability
destination floor guidance system
computer control with artificial intelligence to put riders into the same car who are going to the same floor or floors near each other. rider picks a destination floor from the lobby and control system assigns a particular car based on what other riders have selected. Riders do not select a destination button once in the car; the car stops at he floors chosen in the lobby
5 in
concrete paving should be a min of ____ thick
ultra high performance concrete (UHPC)
concretes with compressive strengths as high as 30,000 psi and exhibiting even usable tensile strength
tie holes
cone shaped heads are placed against the concrete form. when removed, a deep, round hole is left that allows the tie to be cut off below the surface.
conifers
cone-bearing, needle-leaved trees that hold their foliage in the winter, such as fir, spruce, and pine
slip matching
consecutive pieces are placed side by side and the same face sides are exposed
transparent insulation
consists of a relatively thick layer of poly carbonate honeycomb material, acrylic foam, or fiberglass sandwiched between layers of glazing
incandescent lamp
consists of a tungsten filament placed within a sealed bulb containing an inert gas
sand
consists of particles from about 0.002 in to 0.25 in
gravel
consists of rock particles from 3/4 in to 3.5 in in size
Nonmetallic Sheathed Cable (Romex)
consists of two or more plastic insulated conductors and a ground wire surrounded by a moisture resistant plastic jacket
sash door
contains one or more glass lites
rustication strips
continuous pieces of neoprene, wood, or other material that when removed will show a deep reveal in concrete
group automatic operation
control of all elevators with programmable microprocessors to respond to calls in the most efficient manner. good in large buildings with multiple elevators
Dampproofing
control of moisture that is not hydrostatic pressure
passive chilled beam system
cool water in circulated through piping attached to aluminum fins, similar to fin tube radiators used for domestic heating
trenching
creating shallow excavations used for pouring small footings and foundation walls or to provide drainage of surface water
40 ft
cul-de-sac turnaround radius
architectural woodwork
custom shop fabricated lumber components used for interior finish construction (cabinetry, paneling, custom doors and frames, shelving, custom furniture, fine stairs, and trim)
bituminous coatings
damp proofing method; asphalt or coal-tar pitch materials applied to the exterior side of the foundation wall
I-4
daycare for > 5 adults or infants (<2.5 years)
52-72 in
depth range of DLH series joists
18-48 in
depth range of LH series joists
horizontal furnace
designed to be used in areas where headroom is limited, such as crawl spaces
truncated domes
detectable warning surfaces consist of _______ ________
life cycle cost analysis
determines cost of a building, building component or system. accounts for initial cost, financing, operation, maintenance, disposal, & residual value.
bow
deviation parallel to the length of lumber in line with the lumber's flat side
crook
deviation parallel to the length of lumber perpendicular to the flat side of the piece
ballast
device used to control the electric current and "turn on" the light in electric discharge lights
1.25-1.5 in
diameter or width of gripping surface for ramp handrails (range)
8x8x16
dimensions of a concrete block
48 in
distance between double doors swinging in the same direction from edge of swing to door threshold
crystalline waterproofing
during concrete hydration, mixture comes in contact with water & expands to fill the pores, capillaries, & micro cracks. protects against alkali. continues after concrete has cured, making it self healing. applied to either side. can be an admixture in the concrete mix
200
each AOR must accommodate a wheelchair space for each _____ occupants
single ply roofing
easier installation, more resistant to building movement & weather
LC bead
edge trim requiring finishing with joint compound. It has a back flange, so it must be fitted over the edge of the wallboard before the wallboard is fastened to the substrate.
E
educational by > 5 people through 12th grade (grade schools, high schools, day care > 5 children and > 2.5 years old)
50+, H
egress doors must swing in the direction of travel when the area served has an occupant load of ______, or if the area is group _____ occupancy
zinc, aluminum, steel, 304 stainless active, copper, bronze, brass, tin, lead, 316 stainless active, titanium, 304 stainless passive, gold
electromotive scale for metals (13)
drive control
element of an elevator installation that controls the speed of the motor that drives the traction machine
Selective Collective Operation
elevator remembers and answers all calls in one direction and then reverses and answers all calls in the opposite direction
perlite insulation
expanded form of naturally occurring siliceous volcanic rock, used in loose-fill insulation, board insulation, aggregate in lightweight concrete, and as a component in ACT, most commonly used as a loose fill in hollow CMU walls and between masonry walls. also used as insulation under floating concrete floors
polymer dispersed liquid crystal film glazing
fabricated by placing the polymer film between two pieces of glass. The transparency can range from transparent to cloudy white.
wood trusses
factory made assembly consisting of small wood members and held together with plate connectors
F-1
factory moderate hazard
silt
fine-grained sedimentary soil composed of material smaller than sand but larger than clay
vertical exit enclosures, passageways, horizontal exits, incidental use areas
fire barriers are used to enclose _____ (4 things)
different occupancies in a mixed occupancy situation, single occupancies into different fire areas
fire barriers are used to separate _____ (2)
dwelling units, guestrooms, tenant spaces, corridor walls, elevator lobby
fire partitions must be used in the following locations (5)
sprinklers, smoke detectors, comm systems, central control station, smoke control for exit stair enclosures, standby power systems
fire requirements for high rise buildings (6)
active or passive
first step in integrating mech systems into a building design is to decide if the system will be _______ _______ _________
terrazzo
flooring material consisting of chips of marble or granite set in concrete and polished to give a smooth surface.
Long term thermal resistance (LTTR)
for foam insulation, the resistance of closed cell foam after 5 years of storage, properties change due to thermal drift
cubic
for same floor area _______ buildings have less surface area
flush, flush overlay, reveal overlay, and lipped overlay
four basic categories of door and drawer front construction
binder, pigment, liquid, additive
four components of paint
pretreatment, filtration, demineralization, disinfection
four groups of water treatment methods
control, construction, expansion, isolation
four main types of concrete joints
goals and scope, inventory analysis, impact assessment, improvement analysis
four phases to an LCA
incandescent, fluorescent, high-intensity discharge, light-emitting diodes
four primary types of light sources
VAV, high-velocity dual duct, constant volume with reheat, and multizone system
four types of all-air systems
strip, plank, block, and solid block
four types of wood flooring
f=c/w
frequency equation
Downflow Furnace
furnace is typ. located on first floor and heated air is pushed down into ductwork located in a crawl space or basement.
69-80
general comfortable range of temps
Bored Locks (Cylindrical Locks or Latches)
installed by boring holes through the face of the door and from the edge of the door to the other bored opening. relatively easy install and less expensive than mortise locks but offer fewer operating functions, generally used in residential and small commerical projects
polyiso insulation
insulation used in rigid boards for above-grade applications in roof and wall assemblies
Full Mortise Hinge
is the most common type and has both leaves fully mortised into the frame and edge of the door.
welding
joining of two metals by heating them above their melting point, when they cool, the metals form one piece of metal
soldering
joining of two metals using lead based or tin based alloy solder filler metal that melts below 500 degree F
2%
landscaped areas near buildings should have at least _____ slope away from the structure
4 ft
landscaping strips for grass or groundcovers between paved areas should be at least _____ wide
low-iron glass
less iron oxide, eliminate green tint for true clear glass
hydraulic elevator
lifted by a plunger (ram), 2-6 stories of travel, lower speed than electric
electric metallic tubing
lightest of three types of metal conduit, installed with special pressure fittings bc it is too thin to thread, easier and faster to install but can't be used in hazardous areas
parallel
lumber is strongest when the load is ___ to the direction of the grain
timber
lumber with a 5 in minimum sectional dimension
float glass
made by pouring molten glass on a bed of molten tin and allowing it to cool, forming a smooth flat surface. most of this material made in the US is this type.
cellulose insulation
made from 80-100% recycled paper combined with a fire-retardant additive, used for loose-fill attic insulation as well as dry blown-in and wet-spray applications
hollow-core doors
made of one or 3 plies of veneer on each side of a cellular cardboard interior, used in interior applications where only light use is expected
solid-core doors
made with variety of core types depending on the functional requirements of the door; particleboard, stave core, mineral core for fire-rated doors; used for fire-resistive properties , acoustical barriers, security, and superior durability; available with fire ratings of 20/45/90 minutes
random masonry
masonry devoid of coursing or any attempt to align vertical joints
resilient channel
used to improve acoustical properties of a wall by isolating the wallboard from rigid attachment to the framing
varnish
material consisting of various types of resinous materials dissolved in one fo several types of volatile liquids
form liner
material for lining the inside face of a form, specially selected to impart a smooth or patterned finish to the concrete surface
postconsumer content
material that previously was used individually that otherwise would have been discarded as waste
24 in
max depth of a 32 in wide doorway
12 ft
max distance permitted between landings vertically
1/4 in
max doorway threshold vertical change
20 ft
max length of a dead end corridor (IBC)
50 ft
max length of a dead end corridor if sprinklered (group B, E, F, I-1, M, R-1, R-2, R-4, S, U)
15%
max moisture content for wood grademarked as kiln dry
5 lbf-ft
max opening force required to push or pull open interior hinged doors
0.004 cfm/sf, 1.57 lbf/sf
max permeance of an air barrier material should be _______ at a pressure difference of ______ when tested according to ASTM E2178
4 in
max protruding object depth from wall higher than 27 in
7 in
max riser height for stairs
1:20
max slope of accessible route before it becomes a ramp
1:12
max slope of ramp
48 in
max width of swinging egress doors
30 in
maximum rise of any ramp
cooling degree days
measure how much the avg daily temp exceeds 65 degrees F
permeance
measure of a material's resistance to water-vapor transmission
cylinder test
measures compressive strength of concrete. lab tested
K-slump test
measures concrete consistency, comparable to slump test. scale pushed into wet concrete and distance it floats is measured
slump test
measures the consistency of concrete
I-2
medical care on a 24-hr basis (hospitals, skilled care nursing)
thermoset decorative paneling
melamine; low pressure laminate that is fused to substrate of the particleboard
posts and timbers
members 5 in by 5 in and larger with a depth not more than 2 in greater than the width
beams and stringers
members 5 in wide and wider having a depth of at least 2 in greater than the width
M
mercantile (department stores, markets, retail stores, drug stores, sales rooms)
pitch pan
metal enclosure around a projection through the roof (not recommended because of leakage)
zinc
metal resistant to corrosion and sometimes used in sheet roofing, flashing, and fastener production, more commonly used for coating steel and to produce galvanized steel
brazing
method most often used for joining brass for architectural purposes
electric field vector mapping
method of green roof watertightness testing where growing medium is wetted and deck is grounded, allows technician to determine precise location of leak
fingerjointed
method of manufacturing lengths of trim from shorter pieces of lumber. ends are cut w/ finger like projections and glued together
30x48
min clear floor space required to accommodate one stationary wheelchair
36 in
min clear width of ramp with landings at least as wide as the widest ramp leading to them
36 in
min corridor width for wheelchair
60 in
min diameter of circle required for a wheelchair to make a 180 degree turn
52.6 ft
min total width (spaces and aisle) for double loaded one way 45 degree parking
11 in
min tread depth
44 in
min width of a stair when occupant load exceeds 50
24 in
min width of detectable warning surfaces at passenger transit platforms
32 in
minimum doorway clearance for wheelchair
chlorination
most common method of water disinfection. - highly effective against bacteria but not viruses and protozoa. - chlorine left over mixes with surface sources and creates an organic compound known as disinfection byproducts. -- most common is trihalomethanes; chronic health risks.
14 and 18
most common thicknesses of hollow metal doors
120/240 single phase, 3 wire
most common voltage for residences and very small buildings
tufting
most common way of producing carpet, done by inserting pile yarns through a woven backing
nails
most commonly used connectors in light frame construction
0.707
most economical depth to module ratio for space frame
HEPA filters
most efficient filter
natural gas
most efficient fossil fuel
type 1
most fire resistive construction type
10%
most roads should be kept at a grade of less than _____
crystalline cells
most widely used type of PV cells
safety edges
movable strips on the leading edge of the door that activate a switch to reopen the door if something contacts it (elevators)
infiltration
movement of air into and out of building by natural means rather than through mechanical ventilation
ASTM E136
noncombustible material standard
12.0-13.3
normal pH of conrete
44 in
obstructed between 20-25 in high forward reach
A-5
occupancy for outdoor sports (stadiums)
construction joint
occurs wherever there are two successive pours, the joint is created and a new pour is made against a section of concrete that is already cured
perm
one grain of moisture per hour per square foot per inch of mercury difference in vapor pressure
0.6 gallons
one inch of rain yields about _______ of rainwater per sf of catchment area
calcium chloride test
one of most common tests for moisture in concrete. inexpensive and cheap to complete
closed loop active system
one of the most common types of systems for residential and commercial applications. a separate nonfreezing fluid is circulated by pumps through solar collectors and into a heat exchanger where the domestic hot water is heated
cementitious coatings
one or two coats of portland cement mortar can be troweled over the surface of masonry or concrete foundation walls
25%
openings in fire partitions are limited to a max aggregate width of _____ of the length of the wall
12 degrees
optimum orientation angle to n/s axis for cool climates
25 degrees
optimum orientation angle to n/s axis for hot-arid climates
5 degrees
optimum orientation angle to n/s axis for hot-humid climates
17.5 degrees
optimum orientation angle to n/s axis for temperate climates
exterior cladding, air space, air barrier, sheathing, insulation, vapor barrier, interior finish
order of wall components with insulation in the stud cavity (7)
hardboard
panel product composed of inter-felted fibers consolidated under heat and pressure. can be tempered or untempered.
25-40%
percentage of heating and cooling energy used by a building that is lost due to infiltration
Cast Iron Age
period from 1850-1880 due to the widespread use of the material in NYC, Chicago, St.Louis
geotextiles
permeable fabrics which, when used in association with soil, have the ability to separate, filter, reinforce, protect, or drain.
trim
picture molds, chair rails, baseboards, and handrails (general term as defined by IBC)
convective loop system
place solar collector below the inhabited space, air within space is circulated by natural convection as warm air rises and cool air falls back to the collector
evergreen
plant ______ trees and shrubs densely between the noise source and the receiver
7 ft
planting strips with trees in parking areas and between other paved areas should be at least ____ wide
shadow mask
plot of the shading effects of surrounding structures and vegetation on a building using solar heating or daylighting
N grade
plywood veneer grade intended for a natural finish and made from all heartwood or all sapwood
D grade
plywood veneer grade that allows for larger knotholes
B grade
plywood veneer grade that allows for plugged knotholes but has a smooth surface
C grade
plywood veneer grade that allows small knotholes and some splits
A grade
plywood veneer grade that is smooth and paintable with few knots or other defect, best grade commonly available
plastic fiber insulation
polyester, made from recycled plastic milk bottles and formed into batts, fairly energy intensive to manufacture
Cotton mill at Salford Manchester
predecessor of steel-framed buildings in Chicago, built by Matthew Boulton and James Watt
open web joists
prefabricated truss members using hot-rolled or cold-formed steel members. K series, LH series, & DLH series
10% pref, 15% max
preferred and max slope of automobile ramps
reglet
preformed metal shape that is cast into a concrete wall and set flush with the wall to allow the insertion of the edge of flashing and sealant
surcharging
preloading of the ground with fill material to cause consolidation and settlement. Once the right settlement is achieved, the fill is removed
Value Engineering (VE)
process of analyzing the costs versus the value of alternative materials, equipment and systems, usually in the interest of achieving the lowest total costs for a project.
fabrication
process of forming and shaping material into the desired condition
fiberglass insulation
produced by melting sand and recycled glass and spinning the product into thin fibers held together with a binder, more commonly formed into batts with or without a paper facing. often placed between studs, between floor or roof joists and in other cavities
Ground Granulated Blast Furnace Slag (GGBFS)
produced from the material formed from molten slag that is a by-product of iron and steel manufacturing
Effective Aperture (EA)
product of visible transmittance multiplied by the window to wall ratio. An EA of .20 - .30 provides good daylighting
Underfloor Ducts (UF)
proprietary steel raceways cast into a concrete floor at regular spacing, usually about 4-6 ft
hoistway
provides a dedicated, fire-resistive space through which the elevator travels
Silicon Controlled Rectifier (SCR)
provides variable DC voltage to a DC traction motor, provides good drive and leveling control, but also has a low power factor and high thermal losses
extruding
pushes metal through a die to form a shape. used to form decorative sections and those used for door and window frames
efficacy
ratio of luminous flux emitted to the total power input to the light sources and is measured in lumens per watt
Shading Coefficient (SC)
ratio of solar heat gain through a glazing product to the solar heat gain through an unshaded 1/8" thick clear double strength glass under the same set of conditions (0.0 - 1.0) SHGC is considered more accurate.
ballast efficacy factor (BEF)
ratio of the ballast factor multiplied by 100 to the power in Watts. can compare efficacy of different ballasts
floor area ratio
ratio of the gross floor area within a structure to the area of the lot on which the structure is situated
Impact Insulation Class (IIC)
single number rating of a floor/ceiling's impact sound performance, value can be increased MOST EASILY by adding carpet, also improved by providing a resiliently suspended ceiling below, floating a finished floor on resilient pads over the structural floor, or providing sound-absorbing material (insulation) in the air space between the floor and the finished ceiling above
1.11
single pane of glass has a U-value of about ______ btu/sf-hr-degreeF
4,6,8 ft
single tees are typically _____ wide
120 ft
single tees can span up to ______
structural system, material, labor, equipment, construction time, integration w/ bldg systems
six general considerations that affect the cost of any structure
wood planking/decking
solid or laminated timber that spans beams. tongue & groove edging to distribute loads. spans greater distances 4-20ft. efficient use of material, easy installation. no space to hide utilities/insulation
type x
specially manufactured gypsum board for fire-resistive construction
architectural mesh
specialty metal created by weaving thin strips of metal or heavy wire and then grinding off a portion of one face to reveal a highly textured but relatively flat surface. most often used for elevator cab interiors but can be used for other applications like walls panels & door facings
1130 ft/sec
speed of sound through air
accelerator
speeds up the hydration of cement so that the concrete achieves strength faster, allows faster construction and reduces length of time needed for protection in cold weather
4-7
stair risers must be between ______ inches
11 in
stair treads must not be less than _____ deep
44 in
stairways serving an occupant load of 50+ must be at least _____ wide or as wide as determined by the width factor
5 ft
stairways wider than _____ must have intermediate handrails
2.75 and 5
standard backsets (2)
2 in
standard door frame face width
9x19 ft
standard size of parking space
2-3%
standard slope of parking lots
1.75 in
standard thickness of a door
stainless steel
steel alloy containing minimum 11% of chromium
Light-gage metal framing
steel members with thicknesses from 10 gage to 25 gage, used for interior partitions, exterior bearing and nonbearing walls, joists, rafters and similar framing
rubble
stone used with little or no shaping
squared stone
stone with slightly shaped edges resulting in vertical joints
broken range masonry
stones are coursed for short distances
rough carpentry
structural framing, sheathing, blocking, and misc pieces of wood needed to complete the project
LH series
suitable for direct support of floors and roof decks
DLH series
suitable for direct support of roof decks
azimuth
the direction of a celestial object from the observer, expressed as the angular distance from the north or south point of the horizon to the point at which a vertical circle passing through the object intersects the horizon.
drip line
the edge of the tree where the branches stop
met
the energy produced per unit of surface area per hour by a seated person at rest
heat of hydration
the enthalpy change that occurs when 1 mol of the gaseous solute ions is dissolved in water. ex: concrete produces heat while it cures
Finish Carpentry
the exposed finished pieces of lumber necesssary to to complete the project; opening trim, base, wood paneling, cabinets, and shelving
wood
the fibrous substance forming the trunk stems and branches of the tree
portland cement
the first manufactured hydraulic binder (binder that could set underwater), discovered by Joseph Aspdin in 1824
honeycombing
the formation of air pockets within the concrete and next to the forms, preventing by compacting
sabin formula
the formula that relates reverberation time to a room's volume and total acoustical absorption
specific heat
the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
amplification
the increased intensity of sound by mechanical or electrical means
resistance
the inverse of conductance
stiles
the long, vertical side pieces of a flat frame
Emissivity
the measure of an object's ability to absorb and then radiate heat
control
the method of coordinating and operating all the aspects of elevator service, such as travel speed, accelerating/decelerating, door opening speed and delay, leveling, and hall lantern signals
project overhead
the money it takes to complete a specific job, not including labor, materials or equipment. ex- temparory offices, project telephones, trash removal, insurance, permits.
conductance (C)
the number of BTU per hour that pass thru 1 sqft of homegeneous material of a given thickness when the temperature differential is 1degree F
conductivity (K)
the number of BTUs per hour that pass thru 1 sf of homogeneous material 1 in thick when the temperature differential is 1 degree F
Balance Point Temperature
the outdoor temperature at which a building makes a transition from a heating need to a cooling need
coefficient of heat transmission (U)
the overall rate of heat flow through any combination of materials, including air spaces and air layers on the interior and exterior of a building assembly
power factor
the phase difference between voltage and current in an alternating current circuit
wane
the presence of bark or absence of wood from any cause on the edge or corner of a piece of lumber
infiltration
the process by which water on the ground surface enters the soil
electrolysis
the process in which an electric current is used to produce a chemical reaction. can corrode metals that are dissimilar
brazing
the process of joining metal with a filler rod that melts at a temperature below the metal being joined. usually used for brass, bronze, and some aluminums
rolling
the process of passing metal through rollers to produce the needed shape
lumber
the product of sawing, planing, and otherwise preparing wood to be used as construction members
Flame Spread
the propagation of flame over a surface
energy efficiency ratio
the ratio of net cooling capacity in btu/hr to the total rate of electrical input in watts under designated operating conditions
relative solar heat gain (RSHG)
the ratio of solar heat gain through a window, corrected for external shading, to the incident solar radiation. this heat gain includes directly transmitted solar heat and absorbed solar radiation which are conducted or convected into the space
core cylinder test
used when a portion of the structure is in place and cured but needs testing
Ballast Factor (BF)
the ratio of the light output of a lamp when operated on a tested ballast to the light output when the lamp is operated by a standard reference ballast according to a standard testing procedure
attenuation
the reduction of sound
Impedance
the resistance in an alternating current (AC) circuit, measured in ohms
camber
the rise in a beam to compensate for deflection. 1/4" for 20ft length up to 8.5" for 144ft span
channel sections
the stringers of prefab steel utility stairs are normally constructed of ______ _______
dew point
the temperature at which the water vapor in the air becomes saturated and condensation begins
wet bulb temperature
the temperature of the air as measured with a sling pyshrometer. (critical in high heat humidity because of indication of physical stress of the human body near the upper limits of temperature regulation by perspiration.
Seasonal Energy Efficiency Ratio (SEER)
the total cooling ouput of a central air conditioning system or heat pump in the cooling mode, measured in Btu's per hour, during its normal usage period for cooling divided by the total electrical input in watt-hours, as determined be specific test procedures. the higher the SEER, the more efficient the equipment performance.
enthalpy
the total heat in a substance, including latent heat and sensible heat
convection
the transfer of heat through the movement of a gas or a liquid
rails
the two shorter, horizontal top and bottom pieces of a flat frame
lumen
the unit of luminous flux equal to the flux in a unit solid angle of 1 steradian from a uniform point source of 1 candlepower
storm drains
these collect water from roof downspouts, drain inlets, catch basins, and drain tiles surrounding the building foundation
grout
thin mortar used for filling spaces
sheathing
thin panel material attached to framing to provide lateral support, increase rigidity, and provide a base for applying exterior finishes
veneer
thin slice of wood cut from a log
undercarpet wiring
thin, flat, protected wire that can be laid under carpet without protruding
1/3
thin-film PV cells produce as little as _______ the power of crystalline
intermediate metal conduit
thinner walls but has the same outside diameter as rigid steel conduit, also installed with threaded fittings
block, plank, panel
three basic varieties of ICF systems
compressor, condenser, evaporator
three components of a compressive refrigeration system
collector, storage device, distribution system
three components of a typical active solar system
fresh air intake away from exhaust, separate contaminants, use defroster in cold winter conditions
three conditions to use energy recovery ventilators
flat plate heat recovery units, energy transfer wheels, heat pipes
three devices used to facilitate air-to-air heat exchange
parameter method, matrix costing, unit cost method
three general methods of refining a project budget
DHT
three letters to designate fire-rated glazing
aluminum steel or bronze
three metals for metal windows
Flush, Sash, and Louvered
three most common types of metal doors
Exit access, exit & exit discharge
three parts of a means of egress
convection, evaporation, and radiation
three primary means of heat loss for the human body
sedimentation, coagulation, flocculation
three steps of water pretreatment
one-piece, knock down (KD), slip on
three styles in which steel frames are manufactured
preheat, rapid start, instant start
three types of fluorescent lamps
rigid steel, intermediate metal, electric metallic tubing
three types of metal conduit
cedar, redwood, cypress
three types of woods that do not need to be treated for resistance to decay in exterior application
boards, dimension lumber, timber
three types of yard lumber
32,40,48
three widths of escalators
Semivitreous tile
tile with water absorption between 3-7%
vitreous tile
tile with water absorption of more than 0.5%. but not more than 3%.
2 ft
top of a chimney must be at least _____ higher than any point of the structure within a radius of 10 ft
sound power
total sound energy radiated by a source per second, in watts
energy transfer wheels
transfer heat between two airstreams through the use of a heat exchanger wheel. typically used in commercial buildings
radiation
transfer of heat energy through electromagnetic waves from one surface to a colder surface
conduction
transfer of heat through direct contact
cleats and z-clips
two methods to hang veneer panels
High velocity dual duct system
two parallel ducts run to each space, one carries hot air, and one carries cool air
ceramic and quarry
two primary types of tile
A & B
two seismic design categories that do not require any special design details
drained and back-ventilated, and pressure equalized
two types of rain screen walls
compressive refrigeration, absorption
two types of refrigeration processes that can produce chilled air or water
water-based, solvent-based
two types of wood stains
joists on hangers, firecut joists
two typical methods of framing wood joists into masonry walls
reinforced grouted wall
two wythes of brick but cavity contains vertical & horizontal reinforcement and is filled with grout
cavity wall
two wythes of brick separated by an airspace
150 ft
two-way driveway entries should be min _____ from public intersection
standard occupancy
type II risk category in IBC
hazardous
type III risk category in IBC
essential
type IV risk category in IBC
External load dominated building
type of building whose energy use is determined mainly by the amount of heat loss or gain through its envelope
internal load dominated building
type of building whose energy use is driven by high heat gain from occupants, lighting, and equipment
CFCs
type of chemicals whose use ended in 1996
Geared traction elevators
type of elevator used for slow speeds from 25-450 ft/min
gearless traction elevators
type of elevators that use a direct current (DC) motor directly connected to the sheave
static free flooring
type of flooring capable of conducting electrostatic discharge to the ground, used where ESD could damage sensitive equipment or cause an explosion
extensive
type of green roof, less than 6 inches of plants
cementitious foam insulation
type of insulation consisting of magnesium oxychloride cement, water, compressed air, and an expanding agent. fireproof, mold-resistant, nontoxic, no flame retardants, formaldehyde or other VOCs
O
type of mortar generally limited to interior non-load bearing walls, tuckpointing, and historic structures
N
type of mortar most commonly used for exterior above grade walls exposed to severe weather
S
type of mortar suitable for at or below grade applications due to higher compressive strength
M
type of mortar with the highest compressive strength, recommended for harder stone and walls bearing heavy loads
angled parking
type of parking that requires less width
indirect system (closed loop system)
type of solar water heating where a separate fluid for collecting heat is used, then heat is transferred to domestic hot water. easier to protect from freezing bc the fluid can contain antifreeze
direct system (open loop system)
type of solar water heating where water used in the building is the same water that is heated in solar collectors
Structural tees (ST or WT)
type of steel member made by cutting either a wide-flange section or an I-beam in half
Steel angles (L)
type of steel member with either equal or unequal legs, followed by lengths and thicknesses
American standard channel (C)
type of steel member, have a flange on one side of the web only
polyesters
type of synthetic finish that give the hardest most durable finish possible
waterborne
type of wood preservative most commonly used in residential, commercial, and industrial buildings
deformed bars and welded wire fabric
type types of reinforcing steel for CIP concrete
EPDM, CSPE, PVC, TPO
types of single-ply roofing (4)
1:100
typical depth to span ratio for steel arch
1:40
typical depth to span ratio for wood arch
Movable Insulation
typically used on windows that provide passive solar heating - removed during sunlight hours and replaced at night
catch basin
underground reservoir that has a sump built into it; debris settles into the sump instead of flowing down the sewer and clogging pipes
extract-air window
uses a double paned insulated glass unit over which another pane of glass is placed on the inside of the building. air is drawn up between the interior pain and the main window unit and is extracted into the return air system.
variable refrigerant flow system (VRF)
uses a single compressor and condenser unit located outdoors, connected to multiple evaporators located in different zones of the building.
unit multivoltage control system
uses an AC current motor to operate a DC generator. noisy, requires 3 machines, subject to high thermal losses and low overall efficiency
carbon fiber concrete
uses epoxy coated carbon fiber mesh in lieu of standard steel mesh for secondary reinforcement. makes precast panels thinner and lighter. non-corrosive
power line carrier (PLC)
uses power lines to carry control signals, which are low-voltage, high-freq coded signals. each control device, such as a light switch, can respond to its unique code
Electric impedance test
uses proprietary meters to determine the moisture content of concrete by measuring conductance and capacitance
fire hazard
usually based on factors such as density, access for fire fighting equipment, existing building heights
U
utility occupancy
foil backed
vapor barrier GWB
rotary slicing
veneer cut that is created by mounted a log on a lather a cutting a continuous layer of wood; pronounced grain pattern
rift slicing
veneer cut that is created by quartering a log and slicing the wood at a 15degree angle to the growth rings
1 Hz
visual alarms must be flashing lights that have a flashing frequency of about _______
2400/4160 v three phase, four-wire
voltage for very large commercial buildings and factories with a great deal of machinery
120 / 208 V three phase (three transformers), four-wire
voltage often used for larger buildings
4 in
walks are usually ____ thick
fly ash
waste material obtained from coal-fired power-plants (SCM)
open-loop system
water is heated directly in the solar collector in this type of system
cementitious systems
waterproofing system that consists of portland cement, sand, and some type of waterproofing agent, usually includes metal oxides, more effective on the positive side
24 in
weep holes should be located ______ o.c. horizontally in the lowest course of brick to allow any water that penetrates the wall to drip out
equivalent thickness
what the solid thickness of a concrete block would be if the concrete did not contain a hollow unit. This value determines fire rating of the block
gearless traction
what type of elevator should be specified for a 40-story office building
dead end
when a person in any part of the building required to have two means of egress has only one choice of direction that leads to an exit access doorway or an exit
48 in
when an exit stairway is part of an accessible route in a non-sprinklered building (not including houses), there must be a clear width of _____ between handrails
4%
when natural ventilation is used, IBC/IMC require that the area that can be opened to the outdoors be equal to at least _____ of the floor area being ventilated
foamed-in-place
when possible, use ________ insulations that use CO2 in the manufacturing process
1:1 roping
when the rope is directly connected to the counterweight, the cable travels just as far as the car only in the opposite direction
not less than one-half the length of the maximum overall diagonal dimension of the building or area to be served
when two exits are required in a non-sprinklered building, they must be separated by a distance ______
twice
width of a hinge equals ____ the door thickness, round up if between
blocking
wood framing installed between main structural members such as studs or joists to provide extra rigidity or to provide a base for nailing other materials
sapwood
wood from the perimeter
sequence matching
wood panels of uniform width, with veneers arranged in sequence. moderate loss of grain continuity due to obstructions
cross laminated timber (CLT)
wood product manufactured by layering dimension lumber at right angles to form a thick structural panel. resists axial, bending, & racking loads and provides for lateral loads. very strong. no jobsite waste
perpendicular
wood shrinks most in the direction _____ to the grain
advanced house framing
wood-frame residential and light commercial buildings to reduce the amount of lumber used and waste that could be generated. improves energy efficiency by reducing thermal bridging and replacing lumber with insulation. techniques: 24in spacing not 16" for studs, joists, rafters etc; single top plates, not double; 2 stud corner framing & drywall clips not 3-stud; insulated opening headers; single stud @ window opening to support header; no headers in non loading bearing walls; ladder blocking not 3-stud framing @ intersection of exterior & interior walls
hardwoods
woods that come from deciduous trees
running trim
woodwork of a continuing length that must be installed in several pieces fitted end to end. ex base molding & cornices
standing trim
woodwork of a fixed length, installed as a single piece of wood. ex door frame trim & window casings