METHODS OF JOB HAZARD ANALYSIS AND WHAT-IF/CHECKLIST FOR HAZARD IDENTIFICATION AND RISK ANALYSIS ON CONSTRUCTION OF INSTITUT TEKNOLOGI BANDUNG DORMITORY BUILDING C AND D

• Main Author: FADHAL BAMAHRY (NIM: 25314301), CRETACEOUS
• Format: Theses
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/21539
• Institution: Institut Teknologi Bandung

Construction sector has the highest occupational accident rate compared to other industries. Therefore, hazard identification and risk analysis are very crucial to be implemented. There are various hazard identification and risk analysis methods, which have their own advantages and disadvantages. Thus, decision making method is required. This study aims to identify hazards, analyse risk, determine the best hazard identification method and method that is sensitive in determining risk scores, determine work that has the highest hazard risk scores, and recommend control actions on PT X’s construction activities. Methods used in identifying hazards are Job Hazard Analysis (JHA) and What-If/Checklist. For the selection of the best hazard identification method, Analytical Hierarchy Process (AHP) is used. The calculation of risk score is calculated using Fine method. The calculation of AHP is done using the geometric mean. The results of this study are hazards obtained using JHA method are chemical hazard, fire/heat, welding ray/light, noise, motion, friction/contact with tools, electric, kinetic, vibration, and struck by/falling. Hazards obtained using What-If/Checklist method are gravity, motion, mechanical/kinetic, electrical, pressure, temperature, chemical, radiation, sound, physical contact with tools, and unsafe condition. The highest risk on JHA method is noise exposure to workers and workers may fall from the roof floor. While the What-If/Checklist method is pile of lightweight bricks fall on workers and pile of ceramics fall on workers (hauled by crane). From the results of AHP, it is found that What-If/Checklist is the best hazard identification method for PT X. From the total risk score, What-If/Checklist method is the most sensitive method in determining risk score. The work with the highest overall risk score on the What-If/Checklist and JHA methods is the floor structure work. Risk control is performed on chemical hazards, radiation, sound, gravity, motion, mechanical/kinetic, and environmental conditions that fall into very high, priority 1, and substantial categories