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.. .. <br /> 3.4.4 Slip, Trip, and Fall Hazards <br /> All work areas should be cleared of unneeded equipment and debris to minimize slip,trip, and <br /> fall hazards. Materials being excavated from the landfill need to be managed so not to create a <br /> hazard. In addition to creating a trip hazard, the waste may create cut hazards. The work should <br /> be done in a manner that avoids or minimizes worker direct contact with the waste. If handling <br /> is required,workers should wear gloves with good puncture resistance, coveralls, and boot <br /> covers. <br /> During the pressure washing of the tanks—the hoses shall not be laid over ladders, steps, <br /> walkways or in other fashions that creates a trip hazard. <br /> 3.4.5 Noise <br /> The general environment and the use of heavy construction equipment may cause ambient noise <br /> levels to be 85 dBA or more. It is anticipated that the worker using the pressure washing <br /> equipment will be exposed to high noise levels and should begin work using hearing protection. <br /> A rule of thumb will be used as an indicator of potentially dangerous noise levels: if workers <br /> need to raise their voices to be heard while in close proximity(e.g., I to 4 feet away) the noise <br /> level is likely to be 85 dBA or more. At this point the SSO may initiate noise monitoring or take <br /> corrective actions, such as using hearing protection and reducing the source(s) of the noise, if <br /> feasible. <br /> 3.4.6 Overhead Hazards <br /> There may be underground and aboveground utility lines. Prior to initiating work, the site will <br /> be surveyed for overhead lines and obstructions that may interfere with operations. If an <br /> overhead line is found, the electrical company or other wire owner should be contact to <br /> determine the appropriate height separation for the power of the line. <br /> 3.4.7 Asphyxiation/Confined Space <br /> The inerting of the tanks using dry ice will create an oxygen-poor environment. Workers <br /> conducting the visual inspection will not lower their heads into the tank where the oxygen level <br /> is less than 19.5%oxygen. No entry into the tanks will be allowed since this is a permit-required <br /> confined space. <br /> 3.4.8 Moving Equipment <br /> The work must be arranged to minimize the potential for workers to be run-over or hit by <br /> moving equipment. Workers will wear hard hats and high visibility traffic vests. Hand signs, <br /> CNCD:IWARSIM02-0068.dx 3-5 <br />