Required Training for the Job :
Hand and Power Tools, Manual Lifting and Rigging, Testing / pre-commissioning, Working at Heights.
JOB SAFETY ANALYSIS JSA FOR BOLT TORQUING AND TENSIONING
Job Steps |
Hazard |
Initial Controls To Reduce Risk |
| Activity: Bolt tightening and Tensioning
1.Preparation and hauling of tools and equipment prior to start of work. |
1.1 Sharp edges of tools and equipment that are not easily spotted. 1.2 Extreme hot temperature.1.3 Severe Weather Condition (Sandstorm, High Winds,etc.) 1.4 Poor manual handling techniques. 1.5 Poor practices on maneuvering heavy equipment. |
• Provide guards to sharp edges of all equipment. • Secure appropriate work permit prior to start of work. • Install barricade tapes provide warning signs on sharp materials to make it visible for all employees present in the work site. • Provide proper personal protective equipment i.e., hard hat, safety shoes, safety glass and working gloves. • Improve staggered working hours. lnclude substitution of workforce to allow sufficient rest in between employees. • Provision of cool drinking water and shaded rest place. • Supervisor shall monitor their work force by looking for signs of dehydration.• Secure all loose objects and materials (i.e Ladders, pallets, portable toilets, trash drums, etc.) • Set brakes and secure all mobile equipment / vehicles. • De-energize all unnecessary electrical power. • Appropriate material should be available and stored on the object to facilitate the securing of project property, materials and equipment i.e nylon rope, wire, tarpaulins, boards I plywood, etc. • Maintain proper back posture and body position during manual lifting of materials. Position body where less effort is excerted and less strain. • Use crane, forklift or manual lifters for heavy loads. • Divide load weight between co-workers. • Assign additional person at the trailer bed to assist for loading / arranging small bore pipe spool. • Assign sufficient numbers of personnel who could sustain the load when doing manual handling. • Observed proper communication between co-workers during execution of specific task. • Heavy equipment operators/drives must undergo competency training and certification before operating / driving heavy equipments. • Equipment should have blinker light sound. • Provide PWAS to equipment. • Assign banksman or signal man to direct control of heavy equipments. • Install barricade tape and provide warning signs to inform all employees Present in the worksite. |
| 2. Bolt Torquing and Tensioning. | 2.1 Air hoses and pneumatic tools / equipment failure. 2.2 High-intensity sounds. 2.4 Contact with Equipment 2.6.Unsafe practices during the job execution / personnel injury fall from heights |
• Secure appropriate work permit prior to start of work. • Ensure pneumatic tools are inspected and color coded. • Ensure grounding of the equipments is installed. • Air hoses and fittings in good operating condition and whiplash arrestor shall be provided. • Use appropriate personnel (PPE’s) at all time. • Workers shall be provided with the required proper PPE (i.e. ear plug, ear muff, etc.). • Barricade must be installed on the working radius provided with signage “Danger High Noise Area Hearing Protection Required”. • Install whiplash arrestor on hoses which are possible to disconnect or where high air pressure is present. • Do not exceed the allowable rated capacity or pressure of hoses or equipment in tightening. • Install barricade and warning signs at the working area. • All the assigned personnel for this activity shall wear the required hearing protection. • Compressor must be provided with relief valve. • Air hoses must be rated for the pressure to be applied on. • Air manifold shall be provided and certified. • Provide fully physical barricade and corresponding warning signs on the equipment to avoid unauthorized entry. • Ensure shall be use bolt bags secured with structure or scaffolding platform to avoid falling bolts and nuts. • Provide caution tape , hard barricade around the working area for to control unauthorized persons. • Full body Harness shall be strictly required when working at height and 100+ tie off. • Tools shall be secured with retaining strings, Secure equipment on a permanent. |
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