Excavation and backfilling of soil is a very important part of construction process, and care must be taken while excavation in safety perspective. Different soil layers may be encountered while excavation, dewatering may be needed sometimes. These points must be kept in mind to take necessary action during excavation and backfilling.
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주유원이 굴삭기에 주유를 하고 주유호스를 정리하고 있었습니다. 굴삭기 운전원이 소변을 보고 돌아와서 주유가 끝났다고 단순히 생각하고 스윙을 하였습니다. 스윙하는 버킷에 주유원이 부딪쳐 사망한 사고가 있었습니다.
자주 근로자 분들에게 말씀드립니다. “굴삭기 운전원을 믿으면 안됩니다”.
‘내가 여기 있는 것을 운전원은 알겠지‘라는 생각은 버려야 합니다.
나의 안전을 누구에게 의지해서는 안됩니다. 나의 안전은 내가 지켜야죠!!
굴삭기를 보면 그 버킷의 사이즈를 통해 능력(Capacity)를 흔히 10, 08, 06, 04, 02 라고 이야기 합니다. 10은 1m3을 의미하죠. 10 굴삭기를 가까이 보면 굉장한 힘이 몸소 느껴집니다.
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| Hazard Category | Hazards | Controls |
| Collapse | 1. Lack of soil investigation
2. Who don’t comply with procedures | 1. Conduct a soil test to identify what type of soil to be excavated used sloping, benching, shoring, to avoid cave in. 2. Excavated area shall be provide physical barricaded & signages. 3. Excavated soil/sand is to be maintained 1 meter away from the edges of the excavation. including any type of equipment. |
| Electrocution or existing equipment or materials damage | 1. Failure to perform a survey for any presence of under ground | 1. Identify and marked all under ground cables and plumbing line prior to start the trenching. 2. Survey the area if any presence of under ground utilities power cable, pipelines |
| Slip, Trip, and Fall | 1. Lack of arrangement or storage materials in neat orderly manner | 1. All materials, tools & equipment shall be stored in tidy manner & the site/work shop should be cleaned as the work progress 2. Remove dunnage, banding, crate material, nails etc. and dispose property |
| Collision | 1. Can occur that an excavator and personnel is involved in a collision | 1 Excavated area shall be provide physical barricaded to guard from falling hazard. 2. Supervisor and flag man shall be control the equipment operation for excavation and back filling works 3. Proper signs shall be placed near excavation to alert the surrounding employees 4. Provide ramp in proper angle for access/egress to the excavation |
| Fatal or Injury | 1. Improper equipment movements | 1. Only certified and experienced operator shall be operate the equipments 2. All heavy equipment shall be provided with seat belt and use while operating 3. Back-up alarm shall be provided to alert the employees while reversing the equipment 4. After finish the removal of fence the excavation will be backfilled as soon as possible |
| Aware of Inadequate activity | 1. Lack of communication between worker parties | 1. Secure and apply all PTW support documents prior to start the job 2. Conduct safety TBM and discuss the JSA & procedure to start of work 3. All personnel must wear the appropriate PPE for their specific task 4. Work force has good understanding of task and working to the approve JSA and permit requirement |
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