how do i operate two cranes that are close together
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Rosie's answer
Published by SALUSWhen operating two or more cranes to lift a single load, it is crucial to have one qualified person in charge of the entire operation 1, 4, 18. This designated person is responsible for analyzing the operation and instructing all personnel on proper positioning, load rigging, and movements 1, 4. Clear communication and adherence to a standard signal code are essential for safe operation 1, 3.
To ensure safety, avoid bumping into runway stops or other cranes [1]. If cranes must engage or push other cranes, do so with extreme caution to protect personnel [1]. Also, maintain adequate clearance between parallel cranes to prevent collisions [2].
Before starting, verify that all crane operators are qualified and trained 1, 7, 13, and that the load does not exceed the crane's rated capacity 12, 15, 20. Inspect all ropes and equipment before use, and address any unsafe conditions before resuming operation 15, 16.
Sources used for this answer
[1] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)
Page 34
Open source documentSource excerpt
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ - (f) Evidence of physical defects, or emotional instability which could render the operator or trainee a hazard to their self or others, or could interfere with their safe performance may be sufficient cause for disqualification. In such cases, you must require specialized clinical or medical judgments or tests (which include annual medical certification for recovered heart attack patients). - (g) Evidence that an operator or trainee is subject to seizures or loss of physical control must be sufficient reason for disqualification. You must require specialized medical tests to substantiate these conditions. - (5) Persons who have recovered from a heart attack must be exempted from the provisions of subsection (3) of this section, as it pertains to their heart condition, provided: - (a) A medical release is obtained from their attending medical doctor. - (b) The release must state that the operation of a crane will not present a hazard to their self or others. - (c) An examination by a medical doctor, and renewal of the work release certification is required annually. - (6) The operator must be fully familiar with all crane rules and with the crane mechanism and its proper care. Needed adjustments or repairs must be reported at once to the proper authority. - (7) The operator must not eat, smoke or read while actually engaged in the operation of the crane, or operate the crane when physically unfit. - (8) The operator or someone especially designated must properly lubricate all working parts of the crane. - (9) You must keep cranes clean. - (10) You must ensure that whenever the operator finds the main or emergency switch open, it is not closed, even when starting on regular duty, until it is determined that no one is on or about the crane. You must not …
[2] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)
Page 20
Open source documentSource excerpt
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ bridge operator at a predetermined wind velocity. If the clamps act on the rail heads, you must ground off any beads or weld flash on the rail heads. - (b) You must base calculations for wind pressure on outside overhead traveling cranes on not less than 30 pounds per square foot of exposed surface. - Rated load marking . You must plainly mark the rated load of the crane on each side of the crane, and if the crane has more than one hoisting unit, each hoist must have its rated load marked on it or its load block. You must ensure that the rated load marking is clearly legible from the ground or floor. ## Clearance from obstruction . - (a) You must provide and maintain minimum clearance of 3 inches overhead and 2 inches laterally between crane and obstructions in conformity with Specification No. 61 Crane Manufactures Association of America, Inc., [redacted street address]., Suite 201, Charlotte, NC [redacted postal code]. - (b) Where passageways or walkways are provided you must not place obstructions so that safety of personnel will be jeopardized by movements of the crane. - Clearance between parallel cranes . If the runways of two cranes are parallel, and there are no intervening walls or structure, you must ensure that there is adequate clearance provided and maintained between the two bridges. - Designated personnel . You must ensure that only designated personnel are permitted to operate a crane covered by this section. [Statutory Authority: RCW 49.17.010, .040, .050, and .060. 18-03-159 (Order 17-24), § 296-24-[redacted postal code], filed 01/23/2018, effective 02/23/2018. Statutory Authority: RCW 49.17.010, .040, .050, and .060. 15-24-100 (Order 15-04), § 296-24-[redacted postal code], filed 12/01/2015, effective 01/05/2016. Statutory A…
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