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  • DIRECTIVE NO. 540-PG-8715.1.2A APPROVED BY Signature: Original signed by EFFECTIVE DATE: 02/23/2005 NAME: Ken Hinkle EXPIRATION DATE: 02/23/2010 TITLE: Chief, Mechanical Systems Division

    CHECK THE GSFC DIRECTIVES MANAGEMENT SYSTEM AT http://gdms.gsfc.nasa.gov TO VERIFY THAT THIS IS THE CORRECT VERSION PRIOR TO USE.

    GSFC 3-18 (12/04)

    Procedures and Guidelines

    COMPLIANCE IS MANDATORY

    Responsible Office: 540.0/MSD Safety Lead Title: Mechanical Systems Division Safety Manual – Volume II PREFACE P.1 PURPOSE The Mechanical Systems Division (MSD) Safety Manual Volume II is intended to establish the policies, procedures, and requirements for each of the facilities within the MSD, and to provide GSFC personnel contacts. It summarizes the required safety information needed to conduct activities in the MSD facilities. This Manual lists the pertinent NASA, GSFC, and Occupational Safety and Health Act (OSHA) requirements documents. It is not intended to replace any of the above documents. For more detailed information, the reference documents listed in each section must be consulted. P.2 APPLICABILITY This Manual applies to all GSFC organizational elements, contractors, commercial projects, and personnel from other Government agencies while in MSD facilities. The Manual sets the minimum requirements needed to conduct safe operations. P.3 AUTHORITY NPR 8715.3, NASA Safety Manual OSHA 29 CFR 1910, Occupational Safety and Health Standards P.4 REFERENCES Each section list the unique reference documents applicable for that section. Each listing of information found in Volume I may be found in 540-PG-8715.1.1, Mechanical Systems Division Safety Manual – Volume I. P.5 CANCELLATION 5405-048-98, Mechanical Systems Center Safety Manual, Volume II

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  • DIRECTIVE NO. 540-PG-8715.1.2A Page 2 of 99 EFFECTIVE DATE: 02/23/2005 EXPIRATION DATE: 02/23/2010

    CHECK THE GSFC DIRECTIVES MANAGEMENT SYSTEM AT http://gdms.gsfc.nasa.gov TO VERIFY THAT THIS IS THE CORRECT VERSION PRIOR TO USE.

    GSFC 3-18 (12/04)

    P.6 SAFETY This Volume describes safety issues associated with specific facilities or process areas within MSD. Detailed safety requirements are addressed in Volume 1 of this Manual and will only be referenced in this Volume. The Project Support Leads (PSL) are responsible for overseeing the safety aspects of items being processed in the MSD facilities. The person responsible may be different depending on the facility in which the work is taking place. PSL could be the Section Head or Lead Engineer or another designated person. P.7 TRAINING Any required training is listed in the applicable section. P.8 RECORDS Volume I of this manual list all required records. P.9 METRICS None

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  • DIRECTIVE NO. 540-PG-8715.1.2A Page 3 of 99 EFFECTIVE DATE: 02/23/2005 EXPIRATION DATE: 02/23/2010

    CHECK THE GSFC DIRECTIVES MANAGEMENT SYSTEM AT http://gdms.gsfc.nasa.gov TO VERIFY THAT THIS IS THE CORRECT VERSION PRIOR TO USE.

    GSFC 3-18 (12/04)

    P.10 DEFINITIONS Ω ohm µ micro ac or AC alternating-current ACGIH American Conference of

    Governmental Industrial Hygienists

    AGMA American Gear Manufacturer’s Association

    amu atomic mass units ANSI American National Standards

    Institute APT automatically programmed tool ASME American Society of Mechanical

    Engineers ASTM American Society for Testing

    Materials AWS American Welding Society °C degrees Celsius CFM cubic feet per minute CG or cg center of gravity c centi CMAA Crane Manufacturer’s

    Association of America, Inc. CPR cardiopulmonary resuscitation CTD cumulative trauma disorder CTS carpal tunnel syndrome dB decibel dc or DC direct-current DOT Department of Transportation EDM electrical discharge machine EED electro-explosive device EMC electromagnetic compatibility EMI electromagnetic interference ESD electrostatic discharge ETU engineering test unit °F degrees Fahrenheit FMD Facilities Management Division FMEA failure modes and effects

    analysis FOM Facility Operations Manager ft feet g gram

    g unit of acceleration (9.81 m/sec2) GERT Goddard Emergency Response

    Team GFCI ground fault circuit interrupter GHB Goddard Handbook GHz gigahertz GMI Goddard Management

    Instruction GN2 gaseous nitrogen GND ground GSE ground support equipment GSFC Goddard Space Flight Center HCC High Capacity Centrifuge HOPs Hazardous Operating Procedures HVAC heating, ventilation, and air

    conditioning Hz Hertz (cycles per second) IDLH Immediately Dangerous to Life

    or Health IEEE Institute of Electrical and

    Electronic Engineers IR infrared radiation ISI inservice inspection k kilo K degrees Kelvin kpa kilopascal lb pound lb/ft2 pound/square foot LDE lifting devices and equipment LEV local exhaust ventilation LFL lower flammable limit LN2 liquid nitrogen m milli or meter M mega MAWP maximum allowable working

    pressure MDP maximum design pressure MGSE mechanical ground support

    equipment MIL STD Military Standard MOI moment of inertia MSD Mechanical Systems Division MSDS Material Safety Data Sheet n nano NC numerically controlled

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  • DIRECTIVE NO. 540-PG-8715.1.2A Page 4 of 99 EFFECTIVE DATE: 02/23/2005 EXPIRATION DATE: 02/23/2010

    CHECK THE GSFC DIRECTIVES MANAGEMENT SYSTEM AT http://gdms.gsfc.nasa.gov TO VERIFY THAT THIS IS THE CORRECT VERSION PRIOR TO USE.

    GSFC 3-18 (12/04)

    NDT Nondestructive testing NEC National Electrical Code NFPA National Fire Protection

    Association Ni-Cd nickel-cadmium NIOSH National Institute for

    Occupational Safety and Health NHB NASA Handbook NSS NASA Safety Standard OEM original equipment manufacturer OHA operating hazard analysis OSHA Occupational Safety and Health

    Act pa Pascal PEL permissible exposure limit PETS payload environmental transport

    system psi pounds per square inch psig pounds per square inch gauge PPE personal protective equipment PSL Project Support Lead PSTL Project Support Team Lead PV/S pressure vessels and systems RBO regulator burnout RECERT Recertification Program RF radio frequency RFI radio frequency interference RMSS Remote Manipulator System

    Simulator RPO Radiation Protection Officer

    RWA reaction wheel assembly S&ED Safety and Environmental

    Division SCA Spacecraft Checkout Area SED stored energy device SES Space Environment Simulation SLM sound level meter SMTF Spacecraft Magnetic Test

    Facility SO2 sulfur dioxide SPL sound pressure level SSDIF Spacecraft Systems Development

    and Integration Facility T temperature TCQM Termoelectric Quartz Crystal

    Microbalance T/H temperature humidity T/V thermal vacuum TCU thermal conditioning unit TIG tungsten inert gas TLV threshold limit value TLV-C threshold limit value—ceiling TLV-STEL threshold limit value—short-term

    exposure limit TLV-TWA threshold limit value—time-

    weighted average UL Underwriter’s Laboratories UV ultraviolet VDT video display terminal w watt

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  • DIRECTIVE NO. 540-PG-8715.1.2A Page 5 of 99 EFFECTIVE DATE: 02/23/2005 EXPIRATION DATE: 02/23/2010

    CHECK THE GSFC DIRECTIVES MANAGEMENT SYSTEM AT http://gdms.gsfc.nasa.gov TO VERIFY THAT THIS IS THE CORRECT VERSION PRIOR TO USE.

    GSFC 3-18 (12/04)

    PROCEDURES In this document, a requirement is identified by “shall” or “must,” a good practice by “should,” permission by “may” or “can,” expectation by “will,” and descriptive materials by “is.”

    Table Of Contents—Volume 2 4.0 FACILITIES............................................................................................................11

    4.1 ACOUSTIC CHAMBER .........................................................................................11 4.1.1 Scope................................................................................................................................11 4.1.2 Acronyms/Definitions ....................................................................................................11 4.1.3 General............................................................................................................................11 4.1.4 Specific Facility Requirements .....................................................................................11 4.1.5 GSFC Contacts...............................................................................................................13 4.1.6 Reference Documents Unique to this Section..............................................................13

    4.2 Cleanrooms .................................................................................................................. 14 4.2.1 Scope.......................................................................................................................................14 4.2.2 General...................................................................................................................................14 4.2.3 Specific Facility Requirements ..............................................

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