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39 Terms
1
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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.
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platform
A(n) ________ is a reusable, raised walking surface intended for temporary use.
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Stair handrails Height
________- 30 to 34 inches, measured vertically from edge of step, parallel to stair slope.
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Hollywood flat Bracing
________- Ensure that flats are supported to prevent tip- over.
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Stair tread vertical Rise
________- 4 to 7 ¾ inches, consistent for each step.
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Hollywood flat Assembly
________- Toggles should be installed every 32 inches.
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Platform Assembly
________- Joists should be installed every 24 inches.
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Platform top Material
________- ¾ inch plywood.
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Stair Stringers
________- Sloped 2x12 boards, notched to support each step.
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Platform Frame
A standard platform is 4x8 feet
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Platform Material
Stud grade 2x4
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Platform Assembly
Joists should be installed every 24 inches
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Platform top Material
¾ inch plywood
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Platform top Attachment
1 ⅝ inch deck screws, spaced 12 inches apart
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Platform Legs Material if Platform height ≤ 4 feet
stud grade 2x4
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Platform Legs material if Platform height > 4 feet
4x4
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Required Number of legs if 2x4 frame
Install 6 legs
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required number of legs if 2x6 frame
Install 4 legs
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Cross Braces
Use for any platform over 2 feet in height
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Cross Brace Material
1x3
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Cross brace Length
Ensure braces are long enough to allow attachment within 9 inches of the top and bottom of the legs
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Cross brace Attachment
Form an "X" pattern on the sides and ends of the platform
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Platform-to-Platform Attachment
Two ⅜ inch diameter hex head bolts, each secured with a hex nut and two washers
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Weight-Bearing Guardrails
Install guardrails on platforms taller than 30 inches
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Platform Guardrails Material
2x4 (we used 4x4s?)
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Hollywood Flat Frame
A standard flat is 4x8 feet
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Hollywood flat Material
1x3
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hollywood flat Assembly
Toggles should be installed every 32 inches
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hollywood flat facing Material
¼ inch lauan
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hollywood flat facing material Attachment
¾ inch drywall screws or narrow-crown staples
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hollywood flat Bracing
Ensure that flats are supported to prevent tip-over
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Stairs frame Hurdles
Vertical 2x4 frames extending to the floor with horizontal supports
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stair Stringers
Sloped 2x12 boards, notched to support each step
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stair Tread Material
¾ inch plywood
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stair tread vertical Rise
4 to 7 ¾ inches, consistent for each step
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stair tread Horizontal Run
10 inches, consistent for each step
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stair tread width
Minimum 24 inches 3
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stair handrails Material
Any graspable, weight-bearing material and hardware are permitted
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stair handrails Height
30 to 34 inches, measured vertically from edge of step, parallel to stair slope
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