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    APPENDIX D Noise Analysis Rock Crusher CUP 10 11 816

    Ldn Consulting Inc 8/11/11 1082 04 San Marcos Rock Crusher Noise EXECUTIVE SUMMARY This noise study has been completed to determine the noise impacts associated with the anticipated rock crushing and off site material haulage noise levels at the University District Rock Crusher project The project site comprised 102.7 acres located south of

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  • Crushers

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  • Hand arm vibration

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  • Quantifying the effect of rock mass quality on peak

    In prior research the existence of the strong relation between peak particle velocity PPV as a result of blasting and damage to civil structures and mining excavations has been well established In essence the higher the PPV levels the greater has been the observed damage to a structure or excavation The first part of this thesis examines through case studies in four underground mines

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    Noise and Silica Exposures

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    TECHNICAL MEMORANDUM

    standard equation for noise attenuation with distance known as the Inverse Square Law in which for discrete noise sources such as for individual pieces of construction equipment including the rock crusher the sound level decreases at a rate of 6 decibels dB per doubling of distance.

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  • Solution

    Rock crushers and related equipment frequently generate sound levels that are greater than 90 decibels the OSHA Permissible Exposure Limit PEL and hazardous Appropriate hearing protection should be worn when working near a rock crusher unless an industrial hygienist has conducted noise monitoring and verified that hearing protection is

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    Noise Assessment of Stone/Aggregate Mines Six Case

    Noise assessment of stone/aggregate mines six case studies Tntrodustion LR AUER AN 1.1 BAII H number of ways including condnct Exposure tq noise and noisefa ing a cross sectional survey of noise dnced hearing loss NEL contin sources and worker noise exposures URS to be problematic for the U.S in the mining industry.Initially these

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  • PDF

    Noise Manual

    The commercial regulations limit the amount of allowable noise from stationary sources e.g a permanent rock crusher Highway maintenance stations may also be covered under ODEQ regulations Noise generating activities from stationary sources in the highway right of way ROW e.g electrical inverters for solar

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  • PDF

    ERP NOISE MANAGEMENT PLAN

    CG 33 The applicant shall construct and/or maintain rock berms or acoustical walls around the rock crusher screener and other similar types of stationary and semi stationary noise producers Said berms or walls shall be included in the noise comprehensive

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