Risk Assessments

48. Use of Manbasket with Crane

48. Use of Manbasket with Crane

The crane basket, a crane supported man basket, also referred to as a suspended personnel platform, crane cage and construction basket, is designed, manufactured and tested to meet all regulations related to overhead lifting. 

Hazard Category Hazards Controls
Injury and Damage 1. Lack of awaremess activities

2. Not complying of permit 

1. Safe work permits and other pertinent documents shall be secured before any works commence

2. Pre-start meeting shall be discussed during TBM before work commence 

3. Equipment and tool inspection must be carried out 

4. Concerned supervisor/ foreman to prepare required safe work plan and perimt one day in advance 

5. Supervisor and foreman to supervise and monitor the activity respectively 

Physical injuries and Property Damage 1. Failure of using equipment or tools operation such as crane, man basket, man lift, and lifting devices etc.

2. Can cause by pinch, cruch, caught in between, machine hitting other equipment and person 

1. Current 3rd party inspection sticker (crane, man basket & man lift)

2. Current Goverment License (crane operator) 

3. Appropriate documents to be sent along with the equipment

 
4. Chane load chart available 

5. Periodically equipment inspection & color coding 

6. Only authorized/ competent personnel shall be involved in the operation 

7. Maximum two persons are allowed inside the man basket only 

8. Use tagline to control the basket 

9. 100% tie off is mandatory, observe proper anchorage of lanyard and as much as possible above shoulder to minimized the height of fall 

10. Lifting equipment i.e. slings, shackles must have current monthly & color coding inspection 

11. Tools in good condition/ free of damage/ defects No improvised or hamemade tools allowed 

12. Perper securing of tools like using tool bucket and tie-off string to prevent from falling 

Falls of Personnel 1. Can occur that workers do not comply with safety procedures
2. Failure of Supervision and Management for work during working at height
1. The safe Working Load (SWL) of the man basket si not to be exceeded under any circumstances

2. Man basket is only to be lifted by persons competent in the operation of the lifting equipment to be used. 

3. Prior to use of a man basket the conditions is to be completed and approval obtained from the supervisor. 

4. An adequately maintained and checked fall arrest safety harness complete with lanyard shall be attached to an approved fixed point within the person cage. 

5. The harness is to be worn at all times by persons who are working in the man basket 

Serious Bodily Injury 1. Can occur inappropriate functions of crane
2. Cause by crane unsuitable for use with man basket
1. A man basket is to be fitted with a safety hook

2. A craneis to be equipped with controls that return to the neutral position when released and this action causes the motion to stop 

3. A crane is to be equipped with power lowering 

4. A crane is to be equipped with a positive  free-fall lockout contral so that inadvertent  disengagement of the lockout is not possible 

5. A crane is to fitted with an up-limit switch, if the cage is to be lowered below the crane supporting surface 

6. A rope design factor not less than 8 applied to the load comprising the personnel and the lifting cage 

7. The crane has a minimum rated capacity of 1000kg and such that the load chart is equal to or greater than the total load of the cage adn its contents 

8. Man basket is only to be lifted by persons competent in the operation of the lifting equipment to be used.  

9. If operator can not hear or see hand signal he must stop all operation until he receive any signal 

Fatal injury or harm by Wrong hoising 1. Lack of communication & signal 1. Hoisting of the manbasket shall be performed in a slow, controlled, cautious manner with no sudden movements of the crane or the manbasket

2. Suitable knot-free and defect-free tag line(s) shall be attached to the man basket and controlled at all times 

3. Man basket crane lifts shall not be performed in wind speeds exceeding 32 km/h (20 mph) 

4. Man baskets shall not be used for any purpose other than lifting personnel and their work tools 

 

기본적인 배경으로 맨바스켓을 사용하려는 목적 자체가….

사람의 접근이 어려운 위치에서 작업을 하기 위함입니다.

그래서 더 위험하고 사전 점검이 필수적입니다.

현장에서 제작해서 임의로 사용하는 경우가 있지만, 아무리 육안으로 튼튼하게 만들었더라도

사람이 올라서서 작업을 해야하기 때문에…

좀 더 검증되고 확실한 점검이 필요합니다.

전문제작품이 아니라면, 기본적으로 비파괴검사를 실시하여 

안전성을 확보 후에 사용이 필요할 것 입니다.

감사합니다

kassy

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