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Galvanic corrosion .........................................................4-36 example of ..............................................................4-56 gates grounding ...............................................................4-68 general bonding requirements .......................................5-31 General Conversions and Formulas ................................ E-1 generator fuel supply ..............................................................6-38 grounding ...............................................................6-42 installation ..............................................................6-42 installation plan ......................................................6-40 placement ...............................................................6-37 standby ...................................................................6-35 startup .....................................................................6-43 generator safety .............................................................6-43 generators grounding ...............................................................4-59 geotechnical considerations .............................................2-6 global positioning system receiver TVSS protection .......................................7-44 glossary of terms ............................................................1-11 ground bus conductor sizes ........................................................................5-26 ground bus conductor routing illustrations .............................................................5-23 ground bus extension conductors ..................................5-24 ground conductor separation .........................................5-22 ground plates ....................................................... 4-19, 4-93 ground ring building and tower ..................................................4-22 ground rods angled .....................................................................4-13 concrete-encased electrodes ...................................4-20 effect of length on resistance ..................................4-15 electrolytic ..............................................................4-16 illustration ...............................................................4-11 installation ..............................................................4-12 parallel ....................................................................4-15 plates .......................................................................4-19 specifications ..........................................................4-11 splicing ...................................................................4-14 typical single rod installation .................................4-13 ground system testing safety precautions ....................................................D-1 ground test wells ............................................................4-27 ground zone, isolated ............................................. 3-18, 6-9 G Index-4 68P81089E50-B 9/1/05 INDEX grounding arctic regions .......................................................... 4-99 bending radius ........................................................ 5-19 bonding SSGB ....................................................... 5-18 buildings ................................................................. 5-54 cable bridge/ice bridge ........................................... 4-71 dedicated communications buildings ..................... 4-59 dispatch centers ...................................................... 5-62 dispatch centers co-located with tower .................. 4-81 down conductors .................................................... 4-75 equipment rooms located in same building ........... 5-63 fences and gates ..................................................... 4-68 generators ......................................................4-59, 6-42 guyed tower guy anchor points .............................. 4-54 guyed towers .......................................................... 4-53 interior binding conductors .................................... 5-20 items to be bonded to internal grounding system .. 5-61 metallic building siding ......................................... 4-74 metallic objects requiring bonding ........................ 4-67 mountaintops .......................................................... 4-92 network operator positions ............................5-62, 5-64 outdoor cabinets ..................................................... 4-61 PANI system .......................................................... 5-37 racks and cabinets .................................................. 5-44 raised flooring systems .......................................... 5-68 RF transmission lines and preamplifiers ................ 4-62 roof-mounted antenna masts .................................. 4-74 rooftop and integrated communication sites .......... 4-89 rooftop-mounted tower structures .......................... 4-79 sand, coral and limestone environments ................ 4-96 self-supporting towers ............................................ 4-51 separately derived AC systems .............................. 5-42 shallow topsoil areas .............................................. 4-97 side-mounted antenna ............................................ 4-77 signal carrying cables ............................................. 5-53 sites with limited space .......................................... 4-90 soilless areas .......................................................... 4-96 SSGB location ........................................................ 5-18 SSGB specifications .............................................. 5-17 stand-alone equipment shelter ............................... 5-55 stand-alone equipment shelters .............................. 5-54 towers with limited space ...................................... 4-92 two or more structures or facilities located in same area ............................................. 4-83 wireless access points and routers ......................... 4-84 wooden poles ......................................................... 4-58 grounding (earthing) metal shipping containers ...................................... 4-87 minimum requirements .......................................... 4-44 grounding (earthing) electrode spacing for maximum effectivity ........................... 4-10
STANDARDS AND GUIDELINES FOR COMMUNICATION SITES grounding (earthing) electrode system component and installation requirements ................ 4-7 grounding (earthing) electrodes ...................................... 4-9 grounding conductor specifications .............................. 5-59 grounding conductors bending ................................................................... 4-29 counterpoise ........................................................... 4-24 general specifications ............................................. 4-28 protecting and securing .......................................... 4-30 radial ...................................................................... 4-24 grounding dry type isolation transformer ...................... 5-43 grounding electrode encasement material ............................................... 4-27 sphere of influence ................................................... 4-9 hantavirus precautions ................................................... 3-13 hardwiring of receptacles .............................................. 6-10 heating heat pumps ............................................................. 3-16 thermostats ............................................................. 3-16 heating, ventilation, and air conditioning ...................... 3-13 horizontal ground rods .................................................. 4-92 horizontal lightning rods ............................................... 2-21 ice bridge grounding ............................................................... 4-71 isolation from building ........................................... 2-21 support requirements .............................................. 2-26 incoming power lines and telecommunication cables grounding ............................................................... 5-63 installation angled ground rods ................................................. 4-13 fire extinguishers .................................................... 3-25 transmission lines ................................................... 2-25 typical single ground rod ....................................... 4-13 installation requirements grounding system ..................................................... 4-7 installation specifications of the MGB .......................... 5-12 installing batteries ......................................................... 6-34 installing generators .............................................6-40, 6-42 integrated cable entry port ............................................. 4-31 integrated communications site grounding system ....... 5-68 interconnection wiring between the generator, transfer switch, and site AC mains .......... 6-40 interference received protection ................................................... 8-3 H I grounding electrode system resistance ......................... 4-46 grounding electrode system testing ................................D-1 grounding equalizer conductor ..................................... 5-39 grounding equipment and ancillary support apparatus . 5-34 grounding in .................................................................. 4-97 grounding method for metallic pipe or conduit ............ 5-48 grounding multiple network operator position clusters 5-66 grounding system defined ..................................................................... 5-3 special situations .................................................... 4-45 supplementing ....................................................... 4-48 tower ...................................................................... 4-50 grounding the MGB ...................................................... 5-14 guy anchor points grounding ............................................................... 4-54 guyed towers comparison ............................................................ 2-18 grounding ............................................................... 4-53 HVAC alarms .................................................................... 3-16 heat pumps ............................................................. 3-16 preventive maintenance program .......................... 3-16 thermostats ............................................................. 3-16 wall-mounted units ................................................ 3-15 HVAC systems ............................................................. 3-13 interior grounding (earthing) and bonding conductors . 5-20 internal ground system items to be bonded ................................................. 5-61 internal grounding system components .............................................................. 5-7 internal perimeter ground (earth) bus location .................................................................. 5-28 internal perimeter ground (earth) bus (IPGB) .............. 5-28 internal perimeter ground (earth) bus conductor specifications ......................................................... 5-29 irreversible high-compression fittings .......................... 4-43 isolated ground zone .............................................. 3-18, 6-9 isolation transformer dry type, grounding ............................................... 5-43 68P81089E50-B 9/1/05 Index-5
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© 2005 MOTOROLA, INC. ALL RIGHTS R
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TABLE OF CONTENTS Chapter 1. Introd
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STANDARDS AND GUIDELINES FOR COMMUN
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CHAPTER 1 INTRODUCTION 1 This manua
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CHAPTER 2 SITE DESIGN AND DEVELOPME
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CHAPTER 3 COMMUNICATION SITE BUILDI
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CHAPTER 4 EXTERNAL GROUNDING (EARTH
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CHAPTER 5 INTERNAL GROUNDING (EARTH
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CHAPTER 6 POWER SOURCES 6 6.1 LOCKO
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CHAPTER 7 SURGE PROTECTIVE DEVICES
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CHAPTER 8 MINIMIZING SITE INTERFERE
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CHAPTER 9 EQUIPMENT INSTALLATION 9
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APPENDIX A ELECTROMAGNETIC ENERGY I
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APPENDIX B SOIL RESISTIVITY MEASURE
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Page 461 and 462: STANDARDS AND GUIDELINES FOR COMMUN
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