ACTIVITY HAZARD ANALYSIS Laying of 25mm Dia. AGL Duct in Existing Construction
HAZARD / WORK: Laying of 25mm Dia. AGL Duct in Existing
Construction
LOCATION:______________________________________________
H=High M=Medium L=Low
| Significant Risks | H | M | L | Who May Be Harmed | |||
| 1 | Work related upper limb disorders, musculoskeletal injuries, cuts, abrasions, and foot / toe injuries | X | |||||
| 2 | Dehydration, heat exhaustion, heat stroke | X | Employees…………………… | X | |||
| 3 | Cuts, abrasions, broken bones, eye injuries | X | Subcontractors……………… | ||||
| 4 | COSHH related injuries | X | Official Visitors……………… | ||||
| 5 | Engulfment, entrapment, asphyxia, death | X | General Public………………. | ||||
| 6 | Dust, poor visibility, respiratory Injuries | X | |||||
| 7 | Injuries to persons in area from plant / vehicles | X | |||||
| 8 | Injuries to operatives in the excavation | X | |||||
| 9 | Blood born pathogen related injuries | X | |||||
| 10 | Deafness, CEMP violation | X | |||||
| 11 | Plant on plant incidents, pedestrian injuries | X | |||||
| 12 | Explosion or asphyxia | X | |||||
| 13 | Drowning | X | |||||
| 14 | Potentially lethal bites | X |
| Control Measures | |
| 1 | Planning: Sufficient numbers of trained operatives and competent supervision must be available before work starts. Sufficient and suitable plant must be available before work starts. Suitable monitoring equipment and personnel trained in its use will be required where known exposure to toxic substances or lack of oxygen may occur. Location of existing services must be complete before work starts, also information obtained on ground conditions from site surveys. |
| 2 | Physical: Sides of excavations likely to collapse must be supported. Where flooding risk exists, cofferdams/caissons will be installed with pumps of suitable capacity. Substantial barriers will be erected around excavations greater than 2m deep. Where poor ventilation is identified the atmosphere will be continually monitored. Stop barriers will be used to prevent vehicle entry. Spoil and materials will be stacked back at minimum of 1M from the edges of any excavations. Ladders will be provided for safe access/egress. Cable location devices (C.A.T.) and client / Local Authority drawings will be used to trace buried services prior to commencement of work. Suitable signs and barriers will be provided to warn of the work. |
| 3 | Managerial/Supervisory: Ensure safe system of work provided, taking account of prevailing conditions including weather, traffic and existing structures. Provide suitable PPE as required and ensure its correct use. Inspect supported excavations before each shift, and record details, also following any destabilising event or fall of material. Ensure personnel selected are capable, fit and experienced unless under direct supervision. COSHH assessments are to be made of substances likely to be found or produced during the work. |
| 4 | Training: Supervisors must have received training in COSHH appreciation (if applicable), general site safety, theory and practice of backfill work. Operatives must have received training in excavation support procedures and use of cable location devices. This applied to sub contractors as well as direct employees. Toolbox talks on covering MHO’s and COSHH will be given at regular intervals. |
| INFORMATION, INSTRUCTION AND TRAINING | |||||||
| Safety Helmet | X | Ear Defenders | |||||
| Safety Boots | X | Respiratory Protection | X | ||||
| Safety Glasses | X | HI Viz (Fluorescent) Jacket | X | ||||
| Overalls | X | Dust Mask | X | ||||
| Gloves | X | Goggles / Visor | X |
Md Abu Zaed Khan
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