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Task Hazard Assessment AECOM Imagineed <br /> Sub-Slab Vapor Implant Install EIIIJWX0 1 0 01-01-22-02 <br /> job/taskREMINDER: Use 4-Sight at the start of, and continuously throughout the <br /> Job Steps Potential Hazards Risk Critical Actions To Mitigate Hazards Risk <br /> List all steps required to perform How could you be hurt? (initial List control measures required to eliminate, control or protect against the potential hazards (final) <br /> a task in the sequence they What would the injury be? ) associated with each job step to minimize the risk of <br /> are performed injury or environmental impact. Identify any`Stop Work'triggers. <br /> 4. Hammering Concrete 4a.Flying debris, caught by/struck 8 4a. Eye protection. Utilize Shop-Vac as described in 3a. Clear away anything that has a 4 <br /> by injuries chance of interfering with the operation. Remove debris that could cause you to slip or <br /> lose your balance or accidentally contact the drill bit. Keep hands away from the rotating <br /> drill bit. <br /> 4b.Wedged drill bit, wrist/back 6 4b. If bit gets stuck in borehole, bend at the knees and apply gentle upwards pressure 4 <br /> strain while turning and moving the drill back and forth gently, keep finger from trigger or <br /> unplug. Upon removal, re-drill hole if required <br /> 4c.Noise related hearing loss 6 4c. Minimize duration of exposure by taking breaks or alternating operators. Wear 4 <br /> hearing protection. <br /> 4d.Slips, trips,falls 6 4d. Practice good housekeeping, have a clear path to supplies and equipment. Stow <br /> away equipment not in use. <br /> On- <br /> Site <br /> Edits: <br /> 5. Sub-Slab Vapor Implant 5a.Noise related hearing loss 6 5a. Shop-Vac use while vacuuming out any cuttings from hole. Minimize duration of 4 <br /> Install exposure by taking breaks or alternating operators. Wear hearing protection. <br /> 5b.Pinch points from hand tool use 6 5b. Inspect hand tools prior to assembling sub-slab vapor implant fittings. Think the 2 <br /> process through in order to assemble fittings without pinching hand/fingers. <br /> 6 5c. Small amount of cement required for cementing implant in place. Minimize dust while <br /> 5c.Dust from mixing cement 2 <br /> handling and mixing cement. Don nitrile gloves when mixing and handling cement. <br /> 5d.Back strain from implant install <br /> 6 5d. Stretch before working. Inspect ground before kneeling. Use knee pads if necessary. 2 <br /> Do not use awkward positioning.Take regular stretch breaks if multiple implants to <br /> install. <br /> DCSA Task Hazard Assessment Form <br /> Version 1—October 22,2018 3 of 5 <br />