Calculations NCIDQ, IDFX + IPDX || 100% ACCURATE
EXAM QUESTIONS & SOLUTIONS.
Carpet correct answers Length needed in stripes. (Ft)
Add together and divide by 3' to get yards.
Times by 4' for waste.
ROUND UP.
Carpet on Stairs correct answers Times number of risers by inches (height).
Times same number of treads by inches (depth)
Add those numbers together.
Add 1" per riser for nosing and wrapping.
Divide by 12 to get feet.
ROUND UP.
Take (ft) number and times by width of stairs.
Divide by 9 to get square yards.
Wallpaper (plain, residential) correct answers Calculate perimeter of room in feet.
Multiply by ceiling height.
Add 20% for waste.
Minus 15 sq. Ft per 1 door or 2 windows.
Divide by 36 to get how many single rolls.
ROUND UP.
Wallpaper (w/repeat, residential, half drop) correct answers Divide height to be covered by
repeat. (Minus any base or crown)
ROUND UP.
Take that number and times it by the repeat.
Convert inches to feet by dividing by 12.
Calculate the perimeter of the space in feet.
Times that by modified ceiling height (from before).
Add 20% for waste.
Minus windows and doors.
Divide by 36 for SR or 72 for DR.
Wallpaper 54" wide (commercial) correct answers Calculate perimeter of room.
Multiply perimeter by height.
Take no deductions for windows and doors unless o we 54".
Divide by 13.5 to get yards.
Times by 3 if linear feet are needed.
Times by $ if cost is needed.
Calculating Draperies (no pattern) correct answers Divide window width by 3 to get stacking
space.
Add window width, stacking space, return and overlap together.
,Return & Overlap = 12"
Multiple this number by fullness factor.
Divide by fabric width (54").
ROUND UP.
Determine cut length by multiplying height of window by 12 to get inches.
Add header and hem. (Given)
Take panel number times it by cut length number and divide by 36".
ROUND UP.
Draperies with Repeats correct answers Divide window width by 3 to get stacking space in
inches.
Add window width, stacking space and overlap (12").
Multiply that number by fullness factor.
Divide by fabric width (given).
ROUND UP. (Number of panels)
Multiply window height by 12 to get inches.
Plus header and hem.
Divide by repeat.
ROUND UP.
Times by repeat.
Times number of panels by modified cut length and divide by 36.
What type of plan is always needed to begin space planning in an existing building? correct
answers Base plan
For most planning problems, the most efficient type of circulation system is what? correct
answers double loaded corridor
What is needed to determine rentable floor area? correct answers net assignable area, efficiency
factor, rentable-usable ratio
What is the net area or net assignable area of a building? correct answers It is the space a client
needs for their specific program functions like offices, work rooms or conference rooms. It does
not include the space needed for circulation, partitions or building amenities, like restrooms. It is
measured from the centerline of interior partitions of a space.
Anthropometrics correct answers concerned with measuring the size of the human body and
developing dimensional ranges withing certain percetages of a given population.
thermal comfort depends on correct answers air movement, air temperature, radiation, and
humidity
Proxemics correct answers deals with spacing between people and organization of those spaces
In a plenum, how can a fire be prevented from spreading horizontally? correct answers fire-rated
dividers
,what construction should be used to enclose a 1 hr rated corridor? correct answers 5/8" type x
gyp on 3 5/8" metal studs
A compact filing system is an example of
A - dead load
B - dynamic load
C - lateral load
D - live load correct answers d live load
What ratings are the most important in evaluating the acoustic quality of a floor and ceiling
assembly?
I. STC
II. NRC
III. IIC
IV. NC correct answers IIC and STC
what is the purpose of insulation? correct answers improve acoustic characteristics of the wall
what is a slip joint correct answers it allows the floor above a partition to move without
damaging the partition
what is included in the rise of a stair? correct answers The distance from finish floor slab to
finish floor slab.
which type of seaming is most appropriate for upholstered furniture in a smoking lounge? correct
answers railroading
what furniture test requires that an actual piece of furniture be tested for flammability in a large
furnace? correct answers CAL TB 133
CAL TB 116 correct answers Cigarette ignition resistance test of furniture composites
CAL TB 129 correct answers tests flammability of mattress
how to increase the STC of an interior partition? correct answers double layer of gyp, sealant at
all joints, resilient channels,insulation in the stud cavity
what most affects the flammability of upholstery? correct answers cushioning and surface fabric
when reviewing a detail of a gyp wallboard niche to receive a built-in millwork cabinet, the
interior designer should be most concerned with correct answers tolerance
When a fabric has been fire-retardant treated, it will correct answers not burn
, when a project includes both fixed partition walls and full-height moveable partition system, on
what plans should the moveable partition system be shown correct answers the construction floor
plan
the method of constructing a fire-rated partition is typically indicated in the correct answers
partition details
Partition details correct answers framing, type, thickness of gyp, edges
on a negotiated contract, what is typically included in the project manual? correct answers
technical specs and general conditions of the contract
Division 11 correct answers equipment
Division 12 correct answers furnishings
Division 9 correct answers finishes
Division 10 correct answers Specialties
Division 6 correct answers Millwork
CSI Part 1 correct answers general, contains requirements
CSI Part 2 correct answers products
CSI Part 3 correct answers execution
which scales are most commonly used for in interior building elevations? correct answers
1/4";3/8";1/2"
adjanceny requirements for the physical movement of goods in a manufacturing plant would best
be illustrated with correct answers flowchart
morphological chart correct answers A chart used to generate ideas about the desirable qualities
of a product and all of the possible options for achieving them.
mockup requirements are often included in the correct answers construction specifications
an interior designer typically develops color and material boards during the correct answers
schematic and design development phases
Trade association Standards correct answers are excellent sources of UNBIASED, accurate
information on a particular material or product type. Many standards that trade associations
develop become adopted as industry standards and are referenced by building codes and
regulatory agencies.
EXAM QUESTIONS & SOLUTIONS.
Carpet correct answers Length needed in stripes. (Ft)
Add together and divide by 3' to get yards.
Times by 4' for waste.
ROUND UP.
Carpet on Stairs correct answers Times number of risers by inches (height).
Times same number of treads by inches (depth)
Add those numbers together.
Add 1" per riser for nosing and wrapping.
Divide by 12 to get feet.
ROUND UP.
Take (ft) number and times by width of stairs.
Divide by 9 to get square yards.
Wallpaper (plain, residential) correct answers Calculate perimeter of room in feet.
Multiply by ceiling height.
Add 20% for waste.
Minus 15 sq. Ft per 1 door or 2 windows.
Divide by 36 to get how many single rolls.
ROUND UP.
Wallpaper (w/repeat, residential, half drop) correct answers Divide height to be covered by
repeat. (Minus any base or crown)
ROUND UP.
Take that number and times it by the repeat.
Convert inches to feet by dividing by 12.
Calculate the perimeter of the space in feet.
Times that by modified ceiling height (from before).
Add 20% for waste.
Minus windows and doors.
Divide by 36 for SR or 72 for DR.
Wallpaper 54" wide (commercial) correct answers Calculate perimeter of room.
Multiply perimeter by height.
Take no deductions for windows and doors unless o we 54".
Divide by 13.5 to get yards.
Times by 3 if linear feet are needed.
Times by $ if cost is needed.
Calculating Draperies (no pattern) correct answers Divide window width by 3 to get stacking
space.
Add window width, stacking space, return and overlap together.
,Return & Overlap = 12"
Multiple this number by fullness factor.
Divide by fabric width (54").
ROUND UP.
Determine cut length by multiplying height of window by 12 to get inches.
Add header and hem. (Given)
Take panel number times it by cut length number and divide by 36".
ROUND UP.
Draperies with Repeats correct answers Divide window width by 3 to get stacking space in
inches.
Add window width, stacking space and overlap (12").
Multiply that number by fullness factor.
Divide by fabric width (given).
ROUND UP. (Number of panels)
Multiply window height by 12 to get inches.
Plus header and hem.
Divide by repeat.
ROUND UP.
Times by repeat.
Times number of panels by modified cut length and divide by 36.
What type of plan is always needed to begin space planning in an existing building? correct
answers Base plan
For most planning problems, the most efficient type of circulation system is what? correct
answers double loaded corridor
What is needed to determine rentable floor area? correct answers net assignable area, efficiency
factor, rentable-usable ratio
What is the net area or net assignable area of a building? correct answers It is the space a client
needs for their specific program functions like offices, work rooms or conference rooms. It does
not include the space needed for circulation, partitions or building amenities, like restrooms. It is
measured from the centerline of interior partitions of a space.
Anthropometrics correct answers concerned with measuring the size of the human body and
developing dimensional ranges withing certain percetages of a given population.
thermal comfort depends on correct answers air movement, air temperature, radiation, and
humidity
Proxemics correct answers deals with spacing between people and organization of those spaces
In a plenum, how can a fire be prevented from spreading horizontally? correct answers fire-rated
dividers
,what construction should be used to enclose a 1 hr rated corridor? correct answers 5/8" type x
gyp on 3 5/8" metal studs
A compact filing system is an example of
A - dead load
B - dynamic load
C - lateral load
D - live load correct answers d live load
What ratings are the most important in evaluating the acoustic quality of a floor and ceiling
assembly?
I. STC
II. NRC
III. IIC
IV. NC correct answers IIC and STC
what is the purpose of insulation? correct answers improve acoustic characteristics of the wall
what is a slip joint correct answers it allows the floor above a partition to move without
damaging the partition
what is included in the rise of a stair? correct answers The distance from finish floor slab to
finish floor slab.
which type of seaming is most appropriate for upholstered furniture in a smoking lounge? correct
answers railroading
what furniture test requires that an actual piece of furniture be tested for flammability in a large
furnace? correct answers CAL TB 133
CAL TB 116 correct answers Cigarette ignition resistance test of furniture composites
CAL TB 129 correct answers tests flammability of mattress
how to increase the STC of an interior partition? correct answers double layer of gyp, sealant at
all joints, resilient channels,insulation in the stud cavity
what most affects the flammability of upholstery? correct answers cushioning and surface fabric
when reviewing a detail of a gyp wallboard niche to receive a built-in millwork cabinet, the
interior designer should be most concerned with correct answers tolerance
When a fabric has been fire-retardant treated, it will correct answers not burn
, when a project includes both fixed partition walls and full-height moveable partition system, on
what plans should the moveable partition system be shown correct answers the construction floor
plan
the method of constructing a fire-rated partition is typically indicated in the correct answers
partition details
Partition details correct answers framing, type, thickness of gyp, edges
on a negotiated contract, what is typically included in the project manual? correct answers
technical specs and general conditions of the contract
Division 11 correct answers equipment
Division 12 correct answers furnishings
Division 9 correct answers finishes
Division 10 correct answers Specialties
Division 6 correct answers Millwork
CSI Part 1 correct answers general, contains requirements
CSI Part 2 correct answers products
CSI Part 3 correct answers execution
which scales are most commonly used for in interior building elevations? correct answers
1/4";3/8";1/2"
adjanceny requirements for the physical movement of goods in a manufacturing plant would best
be illustrated with correct answers flowchart
morphological chart correct answers A chart used to generate ideas about the desirable qualities
of a product and all of the possible options for achieving them.
mockup requirements are often included in the correct answers construction specifications
an interior designer typically develops color and material boards during the correct answers
schematic and design development phases
Trade association Standards correct answers are excellent sources of UNBIASED, accurate
information on a particular material or product type. Many standards that trade associations
develop become adopted as industry standards and are referenced by building codes and
regulatory agencies.