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04.48 Noise at Work-new

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Noise at work procedure
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  PVD Doc Ref: P1.04.48 Orig. Issue Date: 31 Jan 07 Rev. No: 02 Rev. Date: 01 Aug 10 CONTROL OF NOISE AT WORK No of Pages: 1/4   1 1. Purpose  The purpose of this document is to define the responsibilities and actions to be taken to protect the hearing of personnel working at PV Drilling (PVD) facilities and to meet legislative requirements. 2. Scope This procedure applies to all PV Drilling’s facilities. The procedure covers the responsibilities and actions required ensuring compliance with the Noise at Work regulations of Vietnam and the host country if working outside Vietnam. 3. Procedures    Assess the risks of noise   Protect employees    Consultation and training.   Maintain and use equipments   Health surveillance. 3.1 .Assess the risks from noise. - Every job shall be analyzed the risks which included risk from noise. - Likely exposure to noise shall be estimated - Control measures required to eliminate or reduce the risk, to protect employees shall be identified. - An action plan will be documented if required. 3.2 Protect employees   a. Eliminate the risk or control noise risk. Eliminate or reduce noise risk by using good practices or management solutions, for the high risk cases, technical and organizational noise control measures shall be recommended. Legal limits on noise (see appendix 1 below) are made sure not exceeded. The risk control can be: - Engineering control : avoid metal-on-metal impacts, add materials to reduce vibration, isolate vibrating machinery or components from their surroundings, fit silencers to air exhausts or blowing nozzles. - Modify the path by which noise travels through the air to the people exposed. - Design and lay out the workplace for low noise emission. - Low noise purchasing for machinery and equipment. - Rotate the employees working at high noise areas, make sure not exceeded the  PVD Doc Ref: P1.04.48 Orig. Issue Date: 31 Jan 07 Rev. No: 02 Rev. Date: 01 Aug 10 CONTROL OF NOISE AT WORK No of Pages: 2/4   2 time limit as appendix 2 below b. Provide hearing protection.   Hearing protection devices shall be always available for employees to use when working at high noise areas.   In some high risk areas, hearing protection is mandatory with instruction and supervision. 3.3 Consultation and training   The worker shall be consulted the noise risk associated their work and let participation in noise control. The safety representative of each department in HSE Committee will play his role with consultation in hearing protection.   The worker shall be given information, instruction and training about the risks, control measures, hearing protection and safe work practices. 3.4 Maintain and use the equipments.   Any noise control equipments and hearing protection shall be properly used and maintained.   Employees shall use the controls provided and report any defects. 3.5 Health surveillance .    All employees who are likely to be regularly exposed above the upper exposure action values, or are at risk for any reason shall be provided health surveillance (hearing check) with 06 month interval.   Employees shall cooperate and attend for medical checking as requested.   Actions shall be taken upon recommendation made by medical service provider about employee’s continued exposure to noise.   Records of health surveillance (except confidential medical records) shall be kept and made available for checking at any time. The medical checking results can be used to review, and if necessary, to revise risk assessment (or JSA) and plans to control risks from noise at work.  PVD Doc Ref: P1.04.48 Orig. Issue Date: 31 Jan 07 Rev. No: 02 Rev. Date: 01 Aug 10 CONTROL OF NOISE AT WORK No of Pages: 3/4   3 4. Responsibility Rig Operation Manager: - Ensure condition of facilities adequate to comply with legal requirements on noise control. - Ensure implementation of any hearing protection program Drilling Division HSE Manager: - Assisting Drilling Division Director in maintaining and monitoring compliance with regulations on noise control at work - Auditing compliance with the legislation and this procedure on an annual basis Drilling Division Administration Manager: - In coordination with HSE manager and rig personnel to arrange medical checking for employees working onboard to make sure compliance with the legislation and this procedure. Offshore Installation Manager (OIM): - With assisting from onshore management, to ensure this procedure to be implemented onboard. See attached appendix below  PVD Doc Ref: P1.04.48 Orig. Issue Date: 31 Jan 07 Rev. No: 02 Rev. Date: 01 Aug 10 CONTROL OF NOISE AT WORK No of Pages: 4/4   4  Appendix 1: ALLOWABLE NOISE LEVEL AT WORKPLACES (Regulated by TCVN3985:1999) Type of workplace Maximum limit (dbl) Remarks 1 At site workplace (direct exposed) 85 2 Control room without telephone; Labs; Experiment room associated noise 80 3 Control room with telephone; Percussive installation room. 70 4 Administrative office 65 5 Rooms for research and study, design, statistics, data processing 55  Appendix 2: ALLOWABLE NOISE EXPOSURES (Regulated by TCVN3985:1999) Cumulative time of work per day Maximum limit (dbl) Peak level 1 08 hours 85 115 2 04 hours 90 115 3 02 hours 95 115 4 01 hour 100 115 5 30 minutes 105 115 6 15 minutes 110 115 Note : The above limits designed for 08 hour shift, in case of more than 08 hour shift, the allowable exposure shall not exceed 80 dbl  for all remaining time at work. 5. References TCVN 3985:1999 Acoustics – Allowable Noise Level at workplace Circular 13/BYT-TT dated 24/10/1996 Vietnam Ministry of Health.

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