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Construction Safety > Chapter - 2 > Topic- Types of Construction Activity> Sub topic -Working at Height- Precautions on Tower Cranes

 Precautions on Tower Cranes



Tower crane is mostly used on the construction site. The construction site uses the tower crane at lift steel, concrete, large tools like acetylene torches and generators, and a wide variety of other building materials. 

The Tower cranes are mainly used for transporting and lifting capacity from one place to another place. They have to use for mega construction, bridges, and the largest building construction site.  

Hazards involved in the use of Tower Cranes. 

Electrocution: Tower cranes can come into contact with power lines, which can cause electrocution. Workers should be aware of the location of power lines and should avoid working near them. The crane should also be properly grounded to prevent electrical hazards.

Overloading: Tower cranes have a maximum lifting capacity, and exceeding this limit can cause the crane to collapse. Operators should always check the weight of the load and ensure that it is within the crane's rated capacity. Workers on the ground should also be aware of the maximum weight capacity of the crane and should not overload it.

Falls: Working at great heights can pose a risk of falls. Workers should wear appropriate fall protection equipment, such as harnesses, and should be properly trained in the use of this equipment. The crane's platform should also have adequate guardrails and other safety features.

Structural failure: Tower cranes are made up of many different components, and any failure in one of these components can cause the crane to collapse. Regular inspections and maintenance are essential to identify and repair any potential structural issues.

Collision: Tower cranes can collide with other objects, such as buildings or other cranes. Operators should always be aware of their surroundings and should avoid working in congested areas. A designated signal person should also be used to ensure that the crane operator is aware of any potential hazards . 

Following are the Safety Precautions for Tower Crane-  

  1. Ensure that only qualified and trained operators operate the crane. 
  2. Make sure that the crane is properly maintained and inspected before use.
  3. Always wear the required personal protective equipment (PPE) when working near or on the crane.
  4. Keep a safe distance from the crane, and establish a safety zone around it.
  5. Check the weather conditions before using the crane, and avoid using it during high winds or storms.
  6. Always use the proper lifting equipment, and ensure that the load is properly secured before lifting.
  7. Never exceed the crane's rated capacity, and make sure that the load is within the crane's operating range.
  8. Always follow the manufacturer's instructions and safety guidelines when operating the crane.
  9. Keep communication lines open between the crane operator and workers on the ground.
  10. Ensure that the crane is properly grounded and that electrical hazards are eliminated. 

Maharashtra Building and Other Construction Workers (Regulation of Employment
and Conditions of Service) Rules, 2007 

Employer should ensure the following precautions as per Rule no 107 of Maharashtra , BOCW Rules 2007 


(a) no person other than the operator trained and capable to work at heights are employed to operate tower cranes. 

(b) the ground on which a tower crane stands has adequate bearing capacity

(c) bases for tower cranes and trucks for rail-mounted tower cranes are firm and levelled and such cranes are erected at a reasonably safe distance from excavations and are operated within gradient limits as specified by the manufacturer of such cranes. 

(d) tower cranes are sited where mere is a clear space available for erection, operation and dismantling of such cranes. 

(e) tower cranes are sited in such a way that the loads on such cranes are not handled over any occupied premises, public thoroughfares, railways or near power cables, other than construction works for which such cranes are used. 

(f) where two or more tower cranes are sited and operated, every care is taken to ensure positive and proper communication between operators of such cranes to avoid any danger or dangerous occurrences. 

(g) tower cranes are used for loading magnet or demolition ball service, piling operation or other similar operations which could impose excessive load stresses on the crane structure of such cranes.

(h) the instructions of the manufacturer of a tower crane and standard safe practices regarding such crane are followed while operating or using such crane. 


Reference -

Google.com
BOCW Rules , 2007

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