k Hazard Identification, Risk Assessment and Determining Control / Evaluation Contract Number / Name : AL SAILIYA and WEST MUATHER to FUROUSIYA STREET SURFACE WATER – DW081 Description Risk Assessment for Protection of Existing Underground Utilities Risk Assessment compiled by Jaafar S. Saeed Date Risk assessment Compiled: 25 November 2018 S/ N Hazard Process Access and Egress 1 Slip, Trips and Falls Position of the Company Signature: Risk and Identified of person who might be harm Risk Assessment no: Date Risk assessment due a review: Risk Rating S F Rating DW081-ALW-CON-MST-00013 HSE Manager 26 December 2018 Body fracture / Fatality Ensure all operatives involve in the work are attending Toolbox Meeting and able to go through with the briefing Work force working at existing underground Provide clear and defined walkways (access & egress) 3 4 12 Risk Rating Necessary Control Measures Remove trip hazards around site, store materials / plant in designated areas as per the site plan. Maintain a tidy site Access to the existing underground will be through a steel shaft ladder. Intermediate landing shall be placed at max 6m interval. S L Action placed on Rating Site Engineer / foreman /HSE officer 3 1 3 Manual Handling Musculoskeletal disorders Body pain Appropriate PPE to be use by all operatives for their protection Workers associated at manual lifting Do not attempt to lift any load that seems heavy. 3 2 3 9 Use correct manual handling technique Site Engineer / foreman /HSE officer 3 1 3 Share or split load with other operatives General Protection 3 Site hazards to public from plant, equipment, substances, materials and site Use correct gloves to protect from sharp edges Ensure agreed working area is barricaded with concrete blocks and be secured Physical Injuries Pedestrian passing through the work site Site Engineer / foreman /HSE officer Perimeter signing, “Construction site danger keep out” to be displayed on perimeter. Erect Safe arrival & leave company display sign at entrance. 3 4 12 Visitors to report to the site office and sign visitors register Lockable gates, huts/containers secured and locked Remove and secure ladders from existing underground utilities/excavations, shaft etc. Ensure all workers are stable, secure materials stocked piled and tidy site at the end of each shift. 3 1 3 Use of Hand Tools Cuts and abrasions, flying objects All tools to be maintained in good condition General site Workers, 4 Site Engineer / foreman /HSE officer Tools to only be used for the task intended in line with any manufactures instructions 4 3 12 All tools to be inspected by the user prior to use All tools to be appropriately stored to avoid damage 4 1 4 All damaged tools to be removed from use immediately Appropriate PPE to be supplied and worn as identified Hand arm vibration 5 Exposure to occupational injuries to blood vessels, nerves and joints Prevent use of tools by unauthorized persons Tools with built in vibration dampener protection to be used where available Person operating the Hand Tool/Machine and General Workers 5 3 15 Gloves to be worn when using tools that generate vibration or impact Vibration training/toolbox meeting to be completed for all operatives, Any existing conditions or new symptoms to be referred to occupational health advisor Site Engineer / foreman /HSE officer 5 1 5 Noise 6 Exposure to high levels leading to occupational hearing loss Most work is restricted to short duration General workers and visitors Site Engineer / foreman /HSE officer Use self-dampening tools where available 4 4 16 Appropriate PPE to be supplied and worn as identified 4 1 4 Noise monitoring to be carried out for tasks and equipment that fall outside the scope of short duration Lifting using chain block and installation of Ibeam 7 Drop load, Sling failure/broken Hearing protection to be worn for all equipment that exceeds levels of 85db Ensure to inspect the chain block and the sling to be used for the protection of any existing water pipes Physical injury Operatives working at the bottom Site Engineer / foreman /HSE officer Ensure installation plan must be in briefed to all involved before any installation takes place 4 3 12 Lifting equipment (Chain block) to be certified by 3rd party agency and visually checked by the activity supervisor before use. No person is allowed to work under a suspended load (water pipe line) in a long period of time without a watcher. Good communication between the installers and helpers to be in place 4 1 4 S/N 8 Process Working in a confined space Hazard Hazardous atmospheres Oxygen level (Min & Max) H2S Carbon monoxide due to traffic and fumes from plant and engines Fire or explosion Dehydration Risk and Identified of person who might be harm Risk Rating Risk Rating Permit to work in place (Confine Space) Fatality Burns The atmosphere (Air Level and H2S) shall be tested and monitor before the workers enter the manhole pit and tunnel. Workers working on the confine space An emergency rescue plan should be in place before work begins inside the excavation. 4 3 12 All workers entering to the confine space must be trained by 3rd a party No workers shall allow entering the tunnel if there is a hazardous atmosphere detected. Progressive installation of forced air ventilation system installed in the tunnel until it’s safe to work Smoking or use of mobile phone is forbidden in a confine space Drink water before working in the tunnel and keep hydrated during the working activity Follow the Method statement procedure and rest if necessary Action placed on Site Engineer / foreman /HSE officer Ensure all operatives working in a confined space had undergone Special Training in working in a confined space and certified with 3rd Party. Workers working on confine space Loss of consciousness owing to increased body temperature (heat stress) Controls introduced to reduce risk 4 1 4 Do not go to the tunnel if medically unfit. Working with cable / distribution boxes Electrocution Only trained and competent tunnelling electrician is allowed to connect or disconnect the TBM or generator Burns injuries Workers working on the electric cables and connection Any damages found to the power cable/plugs or electrical devices report immediately to the foreman 4 9 Site Engineer / foreman /HSE officer 2 8 Distribution boxes from control cabin must be locked at all time to prevent unauthorized access. 4 1 4 Tunnel invert shall be maintained dry and power cables installed at axis level All protective circuitry to be maintained operational Protection of the Existing Pipe line Water with pressure flushing to eyes Supervisor to ensure proper pre start briefing All workers working for the protection Flooding 10 3 4 12 Ensure good working platform and if working at height above 2.0 M, safety harness must be use Supervisor to ensure the installation of Ibeam is secured Ensure to deploy trained workers for the job 3 2 6 Site Engineer / foreman /HSE officer Supervisor to ensure proper ventilation on the area Ensure operatives working with electrical tools are competent and with experience. Unauthorised access 11 S/N Process Emergency procedure 12 Fall in existing underground, Collapsed of the underground utilities Hazard No available notice boards posted at the sites Lack of responsible person in case of emergency situation. Ensure Site will secured with concrete barriers Body fracture Public / stake holder 4 Risk and Identified of person who might be harm 2 8 Appoint person to monitor all movement at the top of the underground utility Safety poster must be posted on the site boundary to aware the public that work is on progress and no authorised personnel will enter in the work area 4 F Rating Skin allergy, ill health issue 4 Action placed on Risk Rating Risk Rating S 1 Controls introduced to reduce risk S L Rating Site Engineer / foreman /HSE officer All must know whose contact person & response team at the Project Sites. Labour, Pipe fitter, mason 3 4 12 Designated emergency instruction notice boards must be informed & cascaded to all thru TBT / Internal Training. Stand-by emergency vehicle must be prepare & available during the course of works. Site Engineer / foreman /HSE officer 3 1 3 Missing emergency vehicle Unavailability of First Aider Responsible In-Charge must explain the location of access, emergency routes, and locations of fire point’s box. Consider all areas on site are well illuminated/lighted Established Contact for key personnel for Emergency Situation Ensure ALL aware & understood the Emergency Procedure & Plan during excavation works. Ensuring the First Aid kits box is available at all time. Stand-by Certified First Aider (if works commencing at the night shift operation).