The effect of safety measure in construction: a case study column reinforcement
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The purpose of this research is to study the effect of a safety system provided for column reinforcement activity on productivity by studying a construction of buildings in Bangkok. The safety system composed of (1) stable scaffolding system, (2) providing clean and not slip walkways on the scaffold, (3) installation of handrails not less than 0.90 meters in height, (4) installing stairs, and (5) providing personal protective equipment for workers. Cost of the safety system is 40,030 baht for a column reinforcement area of 40 numbers. Productivity rates for prior and after the used of safety system are 11.06 and 8.80 kg./person/hr., respectively. The productivity declines for approximately 20.43 %, the working time for column reinforcement could take longer for 13.18 % and labor cost could increase for 13.32 %.
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