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Crane lift for chillers on a data center roof

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Published by SALUS

Risk Assessment for Crane Lift of Chillers on a Data Center Roof

Potential Hazards
  1. Crane Overload or Failure: Risk of crane tipping or structural failure due to overloading or improper setup.
  2. Falling Objects: Risk of chillers or equipment falling during lift, potentially causing injury or damage.
  3. Wind and Weather Conditions: High winds or adverse weather can affect crane stability and load control.
  4. Proximity to Other Structures: Risk of collision with nearby structures or equipment.
  5. Personnel Safety: Risk of injury to personnel from crane operation or falling objects.
  6. Electrical Hazards: Risk of contact with overhead power lines or electrical equipment.
Risk Assessment
  • Likelihood: Medium to High, depending on weather conditions and site setup.
  • Severity: High, due to potential for serious injury or significant property damage.
Control Measures
  1. Elimination/Substitution: Not applicable as the lift is necessary for installation.
  2. Engineering Controls:
    • Ensure crane is rated for the load and properly maintained. Follow manufacturer guidelines for setup and operation [1].
    • Use wind speed monitoring equipment to ensure operations are within safe limits [1].
  3. Administrative Controls:
    • Conduct a pre-lift meeting to review the lift plan and safety procedures with all personnel involved.
    • Establish a clear communication protocol between crane operators and ground personnel.
    • Schedule lifts during favorable weather conditions to minimize wind-related risks.
    • Ensure only trained and authorized personnel operate the crane [1].
  4. Personal Protective Equipment (PPE):
    • Require all personnel to wear hard hats, high-visibility vests, and other appropriate PPE.
Monitoring and Review
  • Continuously monitor weather conditions and halt operations if conditions become unsafe.
  • Conduct a post-lift review to identify any issues or areas for improvement.
Recommendations
  • Ensure all lifting equipment, including slings and cables, are inspected and rated for the load [2].
  • Maintain a safe distance from power lines and ensure all personnel are aware of electrical hazards.
  • Implement barriers or exclusion zones to keep unauthorized personnel away from the lift area.
  • Regularly review and update the lift plan to incorporate any changes in site conditions or equipment.

By implementing these control measures, the risks associated with crane lifting operations can be significantly reduced, ensuring the safety of personnel and the integrity of the equipment and structures involved.

2 source record(s)

Sources used for this answer

[1] CAT 336 Excavator Operation and Maintenance Manual

Page 353

Open source document

Source excerpt

- 1. Use proper rated cables and slings for lifting. The crane should be positioned so that the machine is lifted parallel to the ground. - 2. To prevent contact with the machine, lifting cables should have sufficient length. - 3. Move the hydraulic lockout control to the LOCKED position. - 4. Thread the cable between the first and second rollers at each end of the track. - 5. Do not use the foot step as a lifting point. <!-- image --> Illustration 603 g06279536 - 6. If the full length roller guard is equipped, there are holes at the ends of the guard for lifting cables. Refer to Illustration 603 . - 7. Apply the proper protector to prevent machine/wire damage and slippage. Make sure that the rollers are not affected by the load. ## Tying Down the Machine Note: Obey all local and regional governmental regulations.

[2] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)

Page 20

Open source document

Source 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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