JOB HAZARD ANALYSIS Subsurface Delethalization of Infrastructure
The responsible person is to ensure the control measures below are in place before the activity is carried out
| TASK: Sub-Surface Delethalisation of Infrastructure | Date:28 December 2006 | |||||
| No | ACTIVITY | HAZARD | RISK | CONTROL MEASURES TO MINIMISE / ELIMINATE RISK | RESPONSIBLE PERSON | |
| 1 | Marking out area to be laid | 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 | ||
| Marker paint | COSHH related injuries | Paint to be COSHH assessed prior to use and COSHH assessment finding to be implemented prior to use of any such paint. (Toolbox talk attached) | ||||
| Manual Handling | Work related upper limb disorders. Musculoskeletal injuries. Cuts, abrasions, eye injuries | 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 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. | ||||
| Vehicle overturning | Entrapment, Crush injuries | Roll bars will be fitted to vehicles where there is no “designed in” Cab protection. Seat belts will be worn. Areas of extreme un-evenness will be graded as and when necessary. | ||||
| 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 85dB. Hearing protection will be mandatory if the TWA background noise reaches 90dB. | ||||
| Unplanned vehicle movements | Plant on plant incidents. Pedestrian injuries | A strict Plant / Vehicle and operative / pedestrian separation regime will be enforced. Wearing of high visibility vests. | ||||
| Venomous insects. | Potentially lethal bites | Areas to be excavated which may be covered with vegetation will be beaten ala “Turkey Shoot” prior to any works being undertaken. Operatives will be briefed on what constitutes a potentially lethal insect, this will be documented | ||||
| Venomous Snakes | Potentially lethal bites | Areas to be excavated will be beaten ala “Turkey Shoot” as applicable prior to any works being undertaken. Operatives will be briefed on what constitutes a potentially lethal insect. | ||||
| 2 | Loading of Sub-Base, Suitable Fill, and Surface Protection Material | 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. | ||
| Shovel of wheel loader, load dropping inadvertently | Injuries to persons in area | No person will work within the traversing arc of an excavator or wheel loader | ||||
| Material falling from equipment shovel | Injuries to persons in area | No person will work within the traversing arc of an excavator or wheel loader | ||||
| Equipment falling into excavation | Injuries to operatives in the excavation | Stop blocks or other such means will be erected 2 metres from the excavation edge. No vehicles will be allowed closer than 2 metres from the excavation edge. Equipment and stores will not be stockpiled any closer than two metres from the edge of the excavation edge. | ||||
| 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. | ||||
| Contaminated land / soil | COSHH Related injuries | Staff will be briefed on the potential contaminants their nature, the hazards and how to recognise them. A procedure will be implemented that causes operatives who suspect by sight or smell any such contaminants to be present to report any such suspicion to the competent person present. The competent person on being informed of any contaminate will assume the substance to be hazardous and reassign the workers to a place of safety until the suspected substances have been examined by a competent person specialising in Toxic or harmful substances. | ||||
| Unplanned vehicle movements | Plant on plant incidents. Pedestrian injuries | A strict Plant / Vehicle and operative / pedestrian separation regime will be enforced. Wearing of high visibility vests. | ||||
| 3 | Compaction of Sub-Base, Suitable Fill and Surface Protection Material | Operatives caught in moving parts of machines | People / Plant accidents | Carefully controlled people / vehicle-plant separation regime to be in place. All vehicles etc to be fitted with reversing alarms. Those not necessary to the operation to be excluded from the work area. | ||
| 4 | Concrete pouring | Contact with concrete | Entrapment, suffocation, Chemical burns | Constant supervision. During pouring of concrete mixture, workers to be tethered to a rescue line, while wearing a full body harness. Rescue line to be adequately manned to enable an instantaneous removal from the excavation. Butyl rubber boots and gloves to be worn. COSHH Training to be delivered prior to any concrete pour | ||
| 5 | Finishing of concrete | Use of electrical hand tools | Burst discs. Disc fragment impact injuries | Discs only to be fitted by competent staff, disc speeds not to be exceeded. Fill site PPE to be worn. In addition to suitable RPE. PEE to be fitted with a dead-mans handle / switch. | ||
| 6 | 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 | ||
| This JHA was prepared by:- | This JHA was authorised by:- | |
| Gamal Elsalawi ESH Manager OAJ-JV Date:-28 December 2006 | Ravindra Raju Technical Manager OAJ-JV Date:-28 December 2006 |
| 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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