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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 ¾ 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

________- ¾ 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

¾ inch plywood

Platform top Attachment

1 ⅝ 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 ⅜ 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

¼ inch lauan

hollywood flat facing material Attachment

¾ 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

¾ inch plywood

stair tread vertical Rise

4 to 7 ¾ 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