According to OSHA, a controlled access zone is “an area in which certain work (e.g., overhand bricklaying) may take place without the use of guardrail systems, personal fall arrest systems, or safety net systems, and access to the zone is controlled.”
What is a Cdz?
Controlled Decking Zone (CDZ). A controlled decking zone may be established in that area of the structure over 15 and up to 30 feet above a lower level where metal decking is initially being installed and forms the leading edge of a work area.
What do control lines consist of?
Appendix D’s guidelines for control lines explain that control lines consist of ropes, wires, tapes, or equivalent materials, as well as supporting stanchions. Appendix D also recommends that each line be rigged and supported so that the control line is between 39 and 45 inches from the walking/working surface.
What is another name for controlled access zone?
When you are working in elevated areas such as rooftops, unprotected platforms, or around pits and tanks, one option for fall prevention is to establish a Controlled Access Zone (CAZ). The CAZ is the area within six feet of the edge of the fall hazard.
Who is responsible for safe site layout?
Site Layout In order for the steel erector to perform necessary operations in a safe manner, the controlling contractor must provide and maintain [29 CFR 1926.752(c)]: Access roads into and through the site that are adequate for safe delivery and movement of [29 CFR 1926.752(c)(1)]:
When do you need a controlled decking zone?
(1) When used to control access to areas where leading edge and initial securement of metal deck and other operations connected with leading edge work are taking place, the controlled decking zone (CDZ) is defined by a control line or by any other means that restricts access.
Which is the best definition of metal decking?
Metal decking means a commercially manufactured, structural grade, cold rolled metal panel formed into a series of parallel ribs; for this subpart, this includes metal floor and roof decks, standing seam metal roofs, other metal roof systems and other products such as bar gratings, checker plate, expanded metal panels, and similar products.
Where are the control lines on a CdZ?
A control line for a CDZ is erected not less than 6 feet (1.8 m) nor more than 90 feet (27.4 m) from the leading edge. Control lines extend along the entire length of the unprotected or leading edge and are approximately parallel to the unprotected or leading edge.
What does controlling contractor mean in construction category?
Controlling contractor means a prime contractor, general contractor, construction manager or any other legal entity which has the overall responsibility for the construction of the project — its planning, quality and completion.