2012年9月20日星期四

Erect Your Scaffolding Sructure Safely

Lay out a sturdy platform that will hold the weight of workers and construction supplies. Aluminum or framed plywood decks are available that lock onto scaffolding supports. Follow American National Standards Institute guides for lumber safety if wood planks are used. Lay planks on the support bars with no more than an inch between the boards.
Run toe boards and railing to hold tools and workers on the platform gyq6dra. Cut 2 by 4 lengths to fit between the framing sides and across the ends of the frames. Lay the toe boards at the base of the platform. Place guard rails 19 inches and 42 inches up from the platform. Run additional guard rails between the building and any opening in the scaffold. Secure rails and toe boards with tie wire #18. California law requires railings in place for all scaffold platforms over 7 feet high. Other states call for railings on platforms over 10 feet high.

Use ladders to reach the platforms instead of having workers climb up the frames. Place a ladder firmly against the platform end and secure it on the frame with wire.
Build the staging up to a second level. Set coupling pins on top of the open frame tubes on the first level. Place a frame side over the pins and lock it on with cotter pins. Have your helper hand the frames and braces up to you from the lower level. Work with your helper as a team to attach the cross braces at both ends of the upper level. Move the platform deck or planks from the first level up to the second. Affix toe boards, guard rails and an access ladder for the second platform.
Secure the staging against the building. Clamp wall brackets to the scaffold framing and nail them into the frame of the building every 16 feet up and every 16 feet across. Wire ties help support building braces, but are not secure enough to be used exclusively as braces
http://www.shscaffolding.com/

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