A.i.t PREP Flashcards
Typical overhang for counter top kitchen cabinets
19-25mm
Type of hardware to hold up top mounted door
Lid stay
Standard height for closet rod
1600-1700
Standard height for kitchen counter top/base units
915
Bathroom vanity height
815
Lower kitchen cabinet depth
610
Correct order for plam built on site
Ends front top
Standard width for a dishwasher opening
610
Standard depth for upper kitchen cabinet is
305mm
Space between upper and lower kitchen cabinet
350-450
Shelving for linen closets
19mm thick
Where to shim for cabinets
Longest dimension diagonal
Where does racking occur
Mounting wall
Common rafter shortenings
1/2 thickness of the ridge
Full thickness of fascia
Valley rafters and supporting valley rafters
Contact the ridge and the cap plate
Supported valley rafters contact
Supporting valleys and cap plate
Valley jacks contact
The ridge and valley rafters
Valley cripple jacks run between
Supporting and supported valley rafters
Hip valley cripple jacks run between
Hip and valley rafters
Hip rafter shortening
1/2 45 degree thickness of common rafter
Full 45 thickness of fascia
Supporting valley shortenings
1/2 the 45 thickness of the ridge Full
Full 45 thickness of fascia
Supported valley shortenings
1/2 thickness of supporting valley
Full 45 thickness of fascia
Hip jack rafter shortening
1/2 thickness of hip rafter
Full thickness of fascia
Valley jack rafter shortening
1/2 thickness of ridge
1/2 45 of valley rafter
Valley cripple jack rafter shortening
1/2 45 thickness of supporting valley
1/2 45 thickness of supported valley
Hip valley cripple jacks shortening
1/2 45 thickness of hip rafter
1/2 45 thickness of supporting valley
Walkways and ramps must be atleast
600mm wide
Min height for handrail for temp walk ways and ramps
920-1070
Toe board installed @3.5m or workers below
Construction stair way requirements
Min 600 wide
Must have handrail 800-920 above the lead edge of tread
Rung spacing for construction ladders
250mm-300mm
Wall mounted handrails heights
865-1070
Balustrade height (referred to as a guard)
The hand rail must be 900measured vertical from lof and 1070mm (900mm within dwelling unit)
Exterior balustrade height
Must be increased to 1070 when landings are over 1800mm high above grade
Out feed table to low=
Snipe
Inside unit run for winder stairs
No minimum
Hip/valley rafters should be how much bigger then commons
50mm
Ceiling joist supporting roof load should be how much bigger
25mm deeper
Maximum size of aggregate in floor slabs
1/3 slab thickness
Hallway width minimum
860
Hallway width barrier free
920
Knee space height
685
Knee space width
760 wide
Knee space depth
485
Out feed table too high =
Taper
Golden ratio
1:1.618, 8/13
What should you adjust to achieve consistent overhang and facia dimensions?
Adjust the minor roof
Minimum drawings required for permits
Site plan elevations of the building floor plans sections and details
The cost of a permit is typically based on
Floor area and percentage of the project cost
Minimum unit run at inside stringer
150 mm
Average unit run at the centreline of the stairs, must be
Minimum 200
Average unit run at the centreline of the stairs, must be
Minimum 200
Headroom for spiral stairs
1980 mm
Common stair turns
135° 180° 235°
The clear width between handrails for a spiral stair must be a minimum of
660 mm
Spiral stair, maximum unit rise
240 mm
Spiral stair, maximum unit rise
240 mm
What is the preferred angle of stairs?
Between 30 to 35°
The handrail height for a balustrade must be a minimum of
900-1070