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Method Statement For Erection and Dismantling Of Slab Formwork For Water Tanks

The aim of this Method Statement is to provide and maintain effective quality control procedures and to execute the construction work in compliance to standard and good practice at all stages and activities for the Erection & Dismantling of the Slab Formwork for Water Tanks. Following equipment’s and tools will be used as required during the formwork erection.

METHOD / PROCEDURE:

General:

Formwork shall be so constructed that it will support the loads imposed on it by fresh concrete together with additional stresses imposed by vibrating equipment and by construction traffic.

For the construction of structural floor slabs formwork shall be used as per shop drawings and manufacturer’s recommendations. The cup-lock system will be erected on a load bearing horizontal base.

CUP LOCK FORMWORK SYSTEM:

The statutory regulations and codes of practices detail common sense requirements and scaffolds shall be constructed in accordance with BS EN 12810-1:2003 & BS EN 12811-2:2003 codes of practice.

Erection of scaffolding:

The erection procedure will be such that at no time is any unstable or unsafe scaffold left standing. All scaffolders will be working to SG4 standard ( Minimum 3 Boards, Single Guardrail & harness clipped to scaffold when working in an exposed area)

Tagging:

Fixing of Girders & Sheets:

After vertical erection of shoring tower to its required location, the primary girders and secondary girders will be provided on the cross head spindles. Above the secondary girders 18 mm thick plywood sheets will be provided and fixed on top.

Access:

Suitable access shall be provided to and between the formwork. Access shall be provided by portable ladders / hook on ladders / attachable ladders or stair way type ladders. Scaffolding erection team can then access the platform. They will fix the outside guardrails before fully boarding the remainder of the platform. All ladders shall be secured against displacement.

Assigning Personnel:

Competent person shall be assigned for the formwork selection, erection, use, movement, alteration, dismantling, maintenance and inspection. Only assigned and trained personnel shall be deployed to work. It will be ensured that the user is aware of the fall protection methods, belts and full harness, life lines, rope etc.

Training:

Assigned employees shall receive instruction on the particular type of formwork that they are going to use. In the training it will be ensured that focus is given for proper erection, handling, use, inspection, removal and care. Training shall also include the installation of fall protection.

Site management personnel should also be familiarized with correct formwork / scaffolding procedures so they can better determine needs and identify deficiencies.

Dismantling of Scaffolding:

Removal:

Striking:

Lowering:

Edge in fills:

Panels & Girders:

Maintenance and cleaning:

In order to maintain the value and operational readiness of the slab formwork over a long time, it shall be ensured that the formwork is carefully handled at all times.

Waste removal & Housekeeping:

General guide lines for proper erection and use

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