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  • TECHNICAL SPECIFICATION Nº

    I-ET-3010.1M-1200-300-P4X-002 CLIENT:

    SRGE SHEET:

    1 of 20 JOB:

    REFERENCE BASIC DESIGN 1001056398 0010

    AREA: BÚZIOS

    DP&T-SRGE TITLE:

    NOISE CONTROL REQUIREMENTS FOR ACCOMMODATION/SHIPSIDE

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    ESUP MICROSOFT WORD / V. 2016 / I-ET-3010.1M-1200-300-P4X-002_0.DOCX

    I N D E X O F R E V I S I O N S

    R E V . D E S C R I P T I O N A N D / O R R E V I S E D S H E E T S

    0

    ORIGINAL ISSUE

    REV. 0 REV. A REV. B REV. C REV. D REV. E REV. F REV. G REV. H

    DATE MAY/21/19

    DESIGN ESUP

    EXECUTION ERNANI

    CHECK MATTANA

    APPROVAL TMCAMPOS

    INFORMATION IN THIS DOCUMENT IS PROPERTY OF PETROBRAS, BEING PROHIBITED OUTSIDE OF THEIR PURPOSE.

    FORM OWNED TO PETROBRAS N-0381 REV. L.

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    SUMMARY

    1 INTRODUCTION .......................................................................................................... 3

    2 REGULATION CODES AND STANDARDS ................................................................ 3

    3 GENERAL REQUIREMENTS ...................................................................................... 4

    4 SPECIFIC RECOMMENDATIONS ............................................................................. 10

    5 NOISE CONTROL IN DETAILED DESIGN ................................................................ 12

    6 PRESENTATION OF EQUIPMENT NOISE DATA..................................................... 13

    7 WORKING ENVIRONMENT AREA DATA SHEET AND FORM I/II........................... 17

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    1 INTRODUCTION

    This specification establishes the minimum requirements for noise control and vibration human exposure on topside facilities during Detailed Design of Reference Basic Design, and describes the basic procedures for the measurement and reporting of airborne sound levels of equipment.

    2 REGULATION CODES AND STANDARDS

    2.1 International Codes

     IEC 60534-all parts – Industrial-process Control Valves  ISO 717-1/2 – Acoustics - Rating of Sound Insulation in Buildings and of Building

    Elements - 2013  ISO 354 – Acoustics - Measurement of Absorption Coefficient in a Reverberation

    Room - 2003  ISO 15664 – Acoustics - Noise Control Design Procedures for Open Plant - 2001  ISO 2631-1 – Evaluation of Human Exposure to Whole Body Vibration / Part 1 –

    General Requirements (1997) – AND Amendment I of 2010  NORSOK S-002 – Working Environment - 2018  Offshore Technology Report 2001/068 – Noise and Vibration – HSE (Health &

    Safety Executive)

    2.2 Brazilian Government Regulation

     NR-15 – Atividades e Operações Insalubres  NR-37 – Segurança e Saúde em Plataformas de Petróleo

    2.3 Petrobras Specifications

     I-DE-3010.1M-1200-942-P4X-002 - General Arrangement  I-DE-3010.1M-1350-190-P4X-001 - Main Deck Accommodation Layout  I-DE-3010.1M-1350-190-P4X-002 - A Deck Accommodation Layout  I-DE-3010.1M-1350-190-P4X-003 - B Deck Accommodation Layout  I-DE-3010.1M-1350-190-P4X-004 - C Deck Accommodation Layout  I-DE-3010.1M-1350-190-P4X-005 - D Deck Accommodation Layout

     I-DE-3010.1M-1350-190-P4X-006 - E Deck Accommodation Layout  I-DE-3010.1M-1350-190-P4X-007 - F Deck Accommodation Layout  I-DE-3010.1M-1350-190-P4X-008 - Top Roof And Helideck Plan  I-DE-3010.1M-1350-190-P4X-009 - Accommodation Insulation, Doors And

    Windows Arrangement  I-DE-3010.1M-1350-190-P4X-010 - Gymnasium Layout  I-DE-3010.1M-1350-190-P4X-011 - Galley And Messroom Layout  I-DE-3010.1M-1350-190-P4X-012 - Hospital Layout  I-DE-3010.1M-1350-190-P4X-013 - Laundry Layout  I-DE-3010.1M-1350-190-P4X-014 - Accommodation Sections  I-DE-3010.1M-1350-190-P4X-015 - Accommodation Elevations  I-DE-3010.1M-1350-190-P4X-016 - Workshops Layout

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     I-DE-3010.1M-1350-190-P4X-017 - Engine Room Insulation And Doors Arrangement

     I-DE-3010.1M-1350-942-P4X-001 - Equipment Layout Plan-Engine Room-Lower Floor

     I-DE-3010.1M-1350-942-P4X-002 - Equipment Layout Plan-Engine Room - 1st Deck

     I-DE-3010.1M-1350-942-P4X-003 - Equipment Layout Plan-Engine Room-2nd Deck

     I-DE-3010.1M-1350-942-P4X-004 - Equipment Layout Plan-Engine Room-3rd Deck

     I-DE-3010.1M-1350-942-P4X-005 - Equipment Layout Plan-Engine Room-Tank Top

     I-ET-3000.00-1200-98A-P4X-001 - Noise and Vibration Analysis  I-ET-3010.1M-1400-190-P4X-001 - Architecture Materials and Equipment

    Specification

    3 GENERAL REQUIREMENTS

    3.1 General

    Noise and vibration control analysis are mandatory items to be carried-out at the Detailed Design and equipment installation. It shall consider both airborne and structure-borne noise and whole-body vibration.

    During the design phase, the noise study can show the need for modifications to machines and equipment layout.

    The acoustical criteria as well as the main design guidelines are discussed in this document.

    The employee exposure to noise and vibration is dangerous for health and safety and is established by Brazilian federal regulation. The noise and vibration criteria are described here and shall be strictly observed. The criteria cannot be altered unless previously authorized by Petrobras.

    The noise criteria described in this document cannot be exceeded by more than 2 dB(A) in any situation.

    The vibration criteria described in this document cannot be exceeded by more than 3 dB (ref. 1g).

    Any criteria deviation must be submitted for Petrobras approval.

    3.2 Goal - Noise Criteria

    The noise criteria were divided in two groups:

     Criteria for exposure in operational areas;  Criteria for acoustic classified rooms, which resumes to Accommodation and

    Engine Rooms ambients.

    The noise criteria are presented in Table 1 and Table 2 below.

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    Table 1 – Noise Criteria for Operational Areas1, 2, 3

    EXPOSURE TIME (HOURS) MAXIMUM NOISE LEVEL dB(A)

    UNLIMITED < 82

    12 82

    10 83

    9 84

    8 85

    6 87

    4 90

    3 92

    2 95

    1.5 97

    1 100

    0.5 105

    0.25 110

    1 As the typical employee exposition is between 8 and 12 hours, the noise levels in the operational areas shall be between 82 dB(A) to 85 dB(A). Operational areas are defined as those where production plant equipment or utilities machinery are installed and that are not acoustically classified as specified in Table 2 or that don’t have a similar functional occupation. 2 Values in the range of 86 to 100 dB(A) are acceptable in the operational areas in special cases, in some areas normally not manned, and must be submitted for Petrobras approval. 3 Noise levels exceeding 100 dB(A) will be not acceptable in the operational areas, unless in the acoustic hood interiors. In case where more than one machine is installed inside rooms, these rooms cannot be considered as hood.

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    Table 2 – Criteria for Acoustic Classified Areas – Noise Limits1,2

    ROOM DESCRIPTION Level of

    manning 3 Noise total

    dB(A) Noise HVAC

    dB(A) 4

    GENERAL OUTDOORS AREAS

    Mustering areas U 75 5

    External walkways and access ways 80 6

    GENERAL INDOORS AREAS

    Break rooms outside living quarters I 60 50

    Corridor in work areas (between areas with low noise levels)

    U 60 7 -

    Switchboard and transformers rooms I 85 70

    Battery Rooms U 85 70

    Workshops, Paint shop M 65 8 50

    Local Control Room M 60 50

    Electrical, Instrument and Telecom rooms U 75 60

    Stairs, walkways and access ways in enclosed work areas

    I 80