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9 inches
Cross brace Length- Ensure braces are long enough to allow attachment within ________ of the top and bottom of the legs.
platform
A(n) ________ is a reusable, raised walking surface intended for temporary use.
Stair handrails Height
________- 30 to 34 inches, measured vertically from edge of step, parallel to stair slope.
Hollywood flat Bracing
________- Ensure that flats are supported to prevent tip- over.
Stair tread vertical Rise
________- 4 to 7 Âľ inches, consistent for each step.
Hollywood flat Assembly
________- Toggles should be installed every 32 inches.
Platform Assembly
________- Joists should be installed every 24 inches.
Platform top Material
________- Âľ inch plywood.
Stair Stringers
________- Sloped 2x12 boards, notched to support each step.
Platform Frame
A standard platform is 4x8 feet
Platform Material
Stud grade 2x4
Platform Assembly
Joists should be installed every 24 inches
Platform top Material
Âľ inch plywood
Platform top Attachment
1 â…ť inch deck screws, spaced 12 inches apart
Platform Legs Material if Platform height ≤ 4 feet
stud grade 2x4
Platform Legs material if Platform height > 4 feet
4x4
Required Number of legs if 2x4 frame
Install 6 legs
required number of legs if 2x6 frame
Install 4 legs
Cross Braces
Use for any platform over 2 feet in height
Cross Brace Material
1x3
Cross brace Length
Ensure braces are long enough to allow attachment within 9 inches of the top and bottom of the legs
Cross brace Attachment
Form an "X" pattern on the sides and ends of the platform
Platform-to-Platform Attachment
Two â…ś inch diameter hex head bolts, each secured with a hex nut and two washers
Weight-Bearing Guardrails
Install guardrails on platforms taller than 30 inches
Platform Guardrails Material
2x4 (we used 4x4s?)
Hollywood Flat Frame
A standard flat is 4x8 feet
Hollywood flat Material
1x3
hollywood flat Assembly
Toggles should be installed every 32 inches
hollywood flat facing Material
ÂĽ inch lauan
hollywood flat facing material Attachment
Âľ inch drywall screws or narrow-crown staples
hollywood flat Bracing
Ensure that flats are supported to prevent tip-over
Stairs frame Hurdles
Vertical 2x4 frames extending to the floor with horizontal supports
stair Stringers
Sloped 2x12 boards, notched to support each step
stair Tread Material
Âľ inch plywood
stair tread vertical Rise
4 to 7 Âľ inches, consistent for each step
stair tread Horizontal Run
10 inches, consistent for each step
stair tread width
Minimum 24 inches 3
stair handrails Material
Any graspable, weight-bearing material and hardware are permitted
stair handrails Height
30 to 34 inches, measured vertically from edge of step, parallel to stair slope
Note
Flashcard