Introduction:
This method statement is for the safe erection, operation, and dismantling of slip-form shuttering. The slip-form shutter is a vertical formwork system that is used for the construction of tall concrete structures such as chimneys, silos, and bridges. The process involves casting concrete continuously, and the formwork moves up continuously until the structure is complete. The following are the steps to be followed for the safe erection, operation, and dismantling of slip form shuttering.
Preparatory Work:
Before starting the erection of the slip form shuttering, the site engineer must ensure that the site is clear and free from any obstructions. A competent person must inspect the equipment before erection to ensure that it is in good condition. The engineer must also ensure that the foundations are strong enough to withstand the weight of the formwork and the concrete to be poured.
Erection of the Slip Form Shuttering:
The following are the steps to be followed for the safe erection of slip-form shuttering:
a. The slip-form shuttering must be erected by competent personnel who are familiar with the equipment and its use.
b. The slip form shuttering must be erected on a level base to ensure stability.
c. The formwork panels must be secured with bolts and nuts to prevent any movement during concrete casting.
d. The steel reinforcement must be fixed in position before concrete pouring.
e. The slip form shuttering must be erected in sections, and each section must be secured before moving to the next section.
f. The slip-form shuttering must be erected in a way that allows for easy access and safe working conditions for the workers.
Operation of the Slip Form Shuttering:
The following are the steps to be followed for the safe operation of slip form shuttering:
a. The operation of the slip form shuttering must be carried out by competent personnel who are familiar with the equipment and its use.
b. The concrete must be poured continuously, and the formwork must move up continuously.
c. The speed of the movement of the formwork must be controlled to ensure that the concrete is properly consolidated.
d. The concrete must be vibrated to ensure that it is properly compacted.
e. The workers must be properly trained in the use of the equipment and must wear appropriate personal protective equipment.
f. Regular inspections must be carried out to ensure that the equipment is in good condition and that there are no defects or damage.
Dismantling of the Slip Form Shuttering:
The following are the steps to be followed for the safe dismantling of slip form shuttering:
a. The dismantling of the slip form shuttering must be carried out by competent personnel who are familiar with the equipment and its use.
b. The dismantling must be carried out in a way that does not cause any damage to the equipment.
c. The dismantling must be carried out in a way that does not cause any damage to the concrete structure.
d. The workers must wear appropriate personal protective equipment.
e. The dismantling must be carried out in sections, and each section must be properly secured before moving to the next section.
f. The equipment must be cleaned, inspected, and stored properly after dismantling.
Conclusion:
The safe erection, operation, and dismantling of slip-form shuttering are important to ensure the safety of the workers and the quality of the concrete structure. The steps outlined in this method statement must be followed to ensure that the equipment is used properly and that the concrete structure is built safely and to a high standard.
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