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KLE/NFELOER (�H e a l t h& Safety Procedure HSP-5-07 Version 10 NOISE AND HEARING Number: Number: PROTECTION Published Revised Date: 5/4/2018 Date: N/A 5-07.7.2.1 Engineering Controls Engineering change, modification, or alternation is used to reduce noise to non- injurious levels for the prevention of hearing loss. Application of known principles of noise control usually can reduce noise to a desired degree; however, economic considerations and/or operational necessities may make the application impractical. Where practical methods of reducing noise to safe levels can be developed, they shall be adopted. Such methods may include alternative equipment design; vibration isolation; or dampening, enclosures, and barriers. 5-07.7.2.2 Administrative Controls Reduction of exposure time can be a practical method of reducing noise hazards. Where the exposure can be limited and interspersed with recovery periods in non- injurious noise areas, Table 1 may be used as a guide. 5-07.7.2.3 Personnel Hearing Protection Where it is not feasible to reduce environmental noise to acceptable levels, hearing protection is provided at no cost to the employee. Common forms are insertable ear plugs and ear muffs. Plugs inserted into the ear canals must form a tight seal in order to obtain the full noise exclusion of which they are capable. 5-07.7.3 Posting of Noise Hazard Area Warning signs shall be appropriately located at entrances and/or the periphery of areas there is sustained environmental noise in excess of the limits prescribed in Table I. Signs, approximately 9"x12" should contain the following or similar message: DANGER; NOISE HAZARD! HEARING PROTECTION REQUIRED BEYOND THIS POINT! 5-07.7.4 Planning Hazard Free Operation Every effort shall be made at the planning stage to minimize noise exposure. At this stage, the HSM shall provide assistance. 5-07.7.4.1 Noise Abatement in Engineering Design The HSM in collaboration with Site Safety Officers, Project Managers and other field staff shall consider potentially hazardous noise exposures on all worksites. They shall incorporate production features, such as the isolation of noisy machines, and utilize all other available means to minimize noise exposures to personnel. Copyright 2019 Kleinfelder, Inc. Page 7 of 9 Important: When modifying this document, update properties with your name, date, and nature of changes made.