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Analyze 2POTENTIAL HAZARDS 2. Core through concrete 2a. CONTACT: 2a. Keep hands away from roto-hammer drill bit and only using Roto-Hammer. Contact with the drill bit and operate from handle. Drill can spin around and make spinning roto-hammer. contact with personnel. 2a. Wear cut-resistant gloves. 2b. FALL: 2b. Place cones or delineators around power cord to Potential tripping hazards demarcate potential tripping hazards. associated with electrical power cord. 2c. Wear leather or cut-resistant gloves to avoid putting direct 2c. ERGONOMICS: stress on hands. Physical strain of coring through 2c. Use body positioning and bending techniques that concrete. minimize muscle strain; keep back straight, bend at the knees. 2d. EXPOSURE: 2d. Make sure to wear N95 respirator and safety glasses to Particulate matter generated by prevent concrete dust from being inhaled or entering the coring concrete. Potential of eyes. Have ShopVac on and running during drilling to exposure due to contact with reduce the potential of airborne concrete dust. subsurface utilities. Loud noises 2d. Ensure that subsurface utility clearance protocol is from drilling through slabs. followed (i.e. digalert, utility review documentation). 2d. Wear proper hearing protection when operating the roto- hammer. 2e. ENERGY SOURCE: 2e. Always use roto-hammer with appropriate extension cords Avoid electrical shock when and plug into grounded wall outlet. operating the roto-hammer. 2e. Avoid puddles or wet areas to prevent accidental electrocution. 3. Install sub-slab pin fitted 3a. CAUGHT/CRUSHED: 3a. Wear leather or cut-resistant gloves to mitigate contusions with silicone sleeve. Avoid getting hand caught if contact is made and avoid placing hands close to pinch between top of pin and flush points. mounted cap. Potential to get 3a. Keep eye on hammering surface at all times to avoid hand caught underneath soil pin striking nearby objects unintentionally. mallet. 3b. ERGONOMICS: 3b. See 1c. Physical strain related to 3b. Use knee pads or kneeling pad when kneeling on working close to the ground. hard/rough surfaces. 3c. EXPOSURE: 3c. Use hearing protection (i.e. earplugs)when necessary. Loud sounds associated with hammering metal objects together. 3d. CONTACT: 3d. Use ShopVac to sweep area and clear concrete pieces. Potential contact with broken Keep safety glasses on during installation. concrete fragments ' Each Job or Operation consists of a set of tasks/steps. Be sure to list all the steps needed to perform job. z A hazard is a potential danger. Break hazards into six types: Contact-victim is struck by or strikes an object; Caught-victim is caught on,caught in or caught between objects;Fall-victim falls to ground or lower level(includes slips and trips);Exertion-excessive strain or stress/ergonomics/lifting techniques;Exposure-inhalation/skin hazards;Energy Source—Electricity,pressure,tension/compression,torque. ' Using the first two columns as a guide,decide what actions or procedures are necessary to eliminate or minimize the risk. List the recommended safe operating procedures. Say exactly what needs to be done-such as"use two persons to lift". Avoid general statements such as,"be careful'. ROUX ASSOCIATES, INC.