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BOS 614: 2015


The measurement and assessment of occupational noise for hearing conservation purposes

SKU: BOS 614: 2015 Category: Product ID: 27862

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Technical Committee

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This standard covers the measurement and rating of a working environment for hearing conservation purposes, the physical demarcation of an area where hearing conservation measures have to be applied, and medical surveillance.The rating level determined in terms of this standard is independent of personal exposure. The standard also covers recommendations regarding suitable hearing conservation measures and programmes.
NOTE 1 Because the susceptibility of individuals to noise varies, the limits laid down in clause 4 will not always ensure protection of the hearing of all individuals.
NOTE 2 The information to be supplied in reports is specified in Annex A.
NOTE 3 The mandatory symbolic sign for hearing protection to be displayed at the boundaries of noise zones is given in Annex B.
NOTE 4 Audiometric tests for employees exposed to gunshots or other explosive events are covered in Annex C.
NOTE 5 Personal noise exposure is covered in Annex D.
NOTE 6 A procedure for the calculation of the percentage loss of hearing (PLH), and disablement is given in Annex E.
NOTE 7 The guidelines for hearing assessments in Botswana are given in Annex F.

The Botswana Bureau of Standards (BOBS) understands the importance of impartiality and confidentiality in carrying out its management system certification activities. BOBS management is committed to gaining and maintaining the reputation, credibility and ultimately, confidence of its stakeholders in rendering its certification services. Additionally, BOBS strives to continuously manage foreseen potential conflicts of duty and interest and ensures objectivity of its activities under the management system certification. To achieve the above, BOBS shall identify, analyse, record and manage potential conflict of duty and interest to ensure that certification services are not provided within relationships that have been identified to pose an unacceptable threat to impartiality. An Impartiality Committee shall periodically review activities of the certification function to verify commitment to credibility and fairness. The Committee shall further assist in the development of policies relating to impartiality of providing certification activities. BOBS is committed to maintaining in strict confidence all information accessed while rendering the certification services and shall ensure that such information is not divulged to third parties without the Client’s written consent unless if required by law.
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