Where footwalks are located in no case shall less than 48 inches of headroom be provided.ġ910.179(d)(2) Construction of footwalks.įootwalks shall be of rigid construction and designed to sustain a distributed load of at least 50 pounds per square foot.įootwalks shall have a walking surface of antislip type. If sufficient headroom is available on cab-operated cranes, a footwalk shall be provided on the drive side along the entire length of the bridge of all cranes having the trolley running on the top of the girders. Light in the cab shall be sufficient to enable the operator to see clearly enough to perform his work.
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Carbon tetrachloride extinguishers shall not be used.
CRANE LIFT WIND SPEED LIMITS CODE
Fixed ladders shall be in conformance with the American National Standard Safety Code for Fixed Ladders, ANSI A14.3-1956, which is incorporated by reference as specified in Sec. Access to the cab and/or bridge walkway shall be by a conveniently placed fixed ladder, stairs, or platform requiring no step over any gap exceeding 12 inches. The cab shall be located to afford a minimum of 3 inches clearance from all fixed structures within its area of possible movement.Īccess to crane.
CRANE LIFT WIND SPEED LIMITS FULL
The arrangement shall allow the operator a full view of the load hook in all positions. The general arrangement of the cab and the location of control and protective equipment shall be such that all operating handles are within convenient reach of the operator when facing the area to be served by the load hook, or while facing the direction of travel of the cab. If the runways of two cranes are parallel, and there are no intervening walls or structure, there shall be adequate clearance provided and maintained between the two bridges.ĭesignated personnel – Only designated personnel shall be permitted to operate a crane covered by this section. Where passageways or walkways are provided obstructions shall not be placed so that safety of personnel will be jeopardized by movements of the crane.Ĭlearance between parallel cranes. 1910.6, (formerly the Electric Overhead Crane Institute, Inc). 61, which is incorporated by reference as specified in Sec.
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Minimum clearance of 3 inches overhead and 2 inches laterally shall be provided and maintained between crane and obstructions in conformity with Crane Manufacturers Association of America, Inc, Specification No. The rated load of the crane shall be plainly marked on each side of the crane, and if the crane has more than one hoisting unit, each hoist shall have its rated load marked on it or its load block and this marking shall be clearly legible from the ground or floor.ġ910.179(b)(6) Clearance from obstruction. If the clamps act on the rail heads, any beads or weld flash on the rail heads shall be ground off. A wind-indicating device shall be provided which will give a visible or audible alarm to the bridge operator at a predetermined wind velocity. Outdoor storage bridges shall be provided with automatic rail clamps.
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New rated load shall be displayed in accordance with subparagraph (5) of this paragraph.
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The crane shall be tested in accordance with paragraph (k) (2) of this section. Cranes may be modified and rerated provided such modifications and the supporting structure are checked thoroughly for the new rated load by a qualified engineer or the equipment manufacturer. All new overhead and gantry cranes constructed and installed on or after August 31, 1971, shall meet the design specifications of the American National Standard Safety Code for Overhead and Gantry Cranes, ANSI B30.2.0-1967, which is incorporated by reference as specified in Sec. These cranes are grouped because they all have trolleys and similar travel characteristics. This section applies to overhead and gantry cranes, including semigantry, cantilever gantry, wall cranes, storage bridge cranes, and others having the same fundamental characteristics.