JOB HAZARD ANALYSIS Laying of 25mm Dia. AGL Duct in Existing Construction
The responsible person is to ensure the control measures below are in place before the activity is carried out
| TASK: Laying of 25mm Diameter AGL Duct in Existing Construction | Date:04 July 2007 | |||||
| No | ACTIVITY | HAZARD | RISK | CONTROL MEASURES TO MINIMISE / ELIMINATE RISK | RESPONSIBLE PERSON | |
| 1 | Service location survey | Manual handling operations (MHO’s) | Work related upper limb disorders. Musculoskeletal injuries. Cuts, abrasions. Foot / toe injuries, eye injuries | Maximum use of equipment to reduce need for MHO’s MHO Training prior to any work being carried out (Toolbox talk attached) ,This training is to be documented Wearing of gloves Wearing of safety shoes Wearing of safety glasses | ||
| Extreme heat | Dehydration, heat exhaustion. Heat stroke | Ready supply of cold water and Oral rehydration products ie Salt & Dextrose tablets. No work to be conducted under the sun between 12:00 & 15:00 (July & August only) | ||||
| 2 | Sawcut Chase | Use of hand tools | Cuts, abrasions, broken bones, eye injuries | Supervisor to inspect hand tools prior to commencement of works to ensure tools are in good condition. Site minimum PPE to be worn at all times | ||
| Manual handling operations (MHO’s) | Work related upper limb disorders. Musculoskeletal injuries. Cuts, abrasions. Foot / toe injuries, eye injuries | Maximum use of equipment to reduce need for MHO’s MHO Training prior to any work being carried out (Toolbox talk attached) This training is to be documented Wearing of gloves Wearing of safety shoes Wearing of safety glasses | ||||
| Dust | Poor visibility, respiratory Injuries Dust explosion | An effective Dust suppression programme will be in place prior to the works commencing, and thereafter as necessary to suppress the dust sufficiently. In the event that the dust suppression programme fails operatives will be issued suitable RPE. In the event the dust causes restricted vision, operatives will be removed from the excavation. | ||||
| Extreme heat | Dehydration, heat exhaustion. Heat stroke | Ready supply of cold water and Oral rehydration products ie Salt & Dextrose tablets. No work to be conducted under the sun between 12:00 & 15:00 (July & August only). In the event that natural airflow is restricted, industrial air movers will be employed. No worker shall work within the excavation for longer than 40 minutes without a ten minute break in a shaded area which will be provided for this purpose. | ||||
| Contact with underground services | Explosion or asphyxia. Loss of airport services | A full and comprehensive services survey will be conducted prior to the works commencing. All (services relevant) information will be obtained from the client prior to works commencing. Work near to known buried services will be conducted by hand. Staff will be briefed on how to recognise the possible buried services that may be encountered. | ||||
| Noise | Deafness, CEMP violation | Noise monitoring will be conducted to measure noise as required by the CEMP. Proactive measures will be taken to reduce noise SFAIRP. Hearing protection will be available on request to all exposed staff should the TWA Noise level reach 80dBa. Hearing protection will be mandatory if the TWA background noise reaches 85dBa. | ||||
| Unplanned vehicle movements | Plant on plant incidents. Pedestrian injuries | A strict Plant / Vehicle and operative / pedestrian separation regime will be enforced. | |||||
| Gas (H2S, Methane etc) | Explosion or asphyxia | Toxic, flammable gas / Oxygen / CO2 tests to be conducted prior to any trench entry using an approved, certified & calibrated gas monitoring device. Monitor to remain in position when excavation is occupied. | |||||
| Lack of oxygen | Asphyxiation | Continuous monitoring, forced Air movement if necessary | |||||
| 3 | Grouting of Pipes | ISOLA N-S Grouting material | COSHH related injuries | COSHH Assessment will be conducted on the filling material prior to its use and the findings will be implemented prior to any such use. | |||
| 4 | Laying of Polythene sheet | Manual Handling | Work related upper limb disorders. Musculoskeletal injuries. Cuts etc | Maximum use of equipment to reduce need for MHO’s MHO Training prior to any work being carried out, this training is to be documented Wearing of gloves Wearing of safety shoes | |||
| 5 | Sealing of Groove | Use of Nitoseal 290 | COSHH related injuries | COSHH Assessment will be conducted on the filling material prior to its use and the findings will be implemented prior to any such use. | |||
| This JHA was prepared by:- | This JHA was authorised by:- | ||||||
| Gamal Elsalawi ESH Manager OAJ-JV Date:- 04 July 2007 | Ravindra Raju Technical Manager OAJ-JV Date:- 04 July 2007 | ||||||
| TASK:__________________________________________________________________ | Date: ___________________ | ||
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All Employees are to sign below in recognition and understanding of this JHA content
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Md Abu Zaed Khan
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