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ELECTRICAL GROUNDING SPECIFICATIONS <br />1. GROUNDING SHALL COMPLY WITH ARTICLE 250 OF <br />THE NATIONAL ELECTRICAL CODE CURRENTLY IN <br />EFFECT FOR THE AUTHORITY HAVING LAN DLORD SIGNATURE <br />JURISDICTION. <br />2. <br />ALL GROUNDING DEVICES SHALL BE U.L. LISTED <br />FOR THEIR INTENDED USE. <br />3. <br />GROUND WIRES SHALL BE TINNED #2 AWG BARE <br />SOLID COPPER UNLESS OTHERWISE NOTED. <br />4. <br />CONNECTIONS OF ALL GROUND WIRES TO THE <br />GROUND RING SHALL BE EXOTHERMIC <br />(CAD -WELDED), UNLESS OTHERWISE NOTED. AND <br />SHALL BE INSTALLED IN ACCORDANCE WITH <br />MANUFACTURER'S RECOMMENDATIONS AND <br />T-MOBILE WIRELESS BROADBAND STANDARDS. <br />5. <br />GROUNDING CONDUCTORS SHALL BE ROUTED <br />ALONG THE SHORTEST AND STRAIGHTEST PATH <br />POSSIBLE. WHEN REQUIRED, GROUND LEADS <br />SHALL BE BENT TO A MINIMUM OF W RADIUS. <br />6. <br />WHERE GROUND WIRES ARE ROUTED FROM ANY <br />CONNECTION ABOVE GRADE TO THE GROUND RING. <br />INSTALL WIRE IN 3/4" HEAVY WALL LIQUID TIGHT <br />FLEXIBLE CONDUIT FROM CONNECTION POINT TO 5" <br />BELOW GRADE AND SEAL THE TOP WITH SILICONE <br />SEALANT. <br />7. <br />ALL GROUND BARS SHALL BE TINNED, 114" COPPER, <br />SECTOR BARS 2', COLLECTOR AND MGB BARS IV% <br />OF SUFFICIENT LENGTH TO ACCOMMODATE ALL <br />REQUIRED CONNECTIONS WITHOUT DOUBLING <br />LUGS, AND EACH INSTALLED WITH ISOLATORS. <br />WHEN CONNECTING GROUND BARS (WITHIN 10 <br />FEET OF GRADE) DIRECTLY TO THE GROUND RING, <br />2 EA #2 SOLID DOWNLEADS SHALL BE CAD -WELDED <br />TO THE GROUND BAR, 1 AT EACH OPPOSITE <br />BOTTOM CORNER, AND EACH SHALL RUN IN WIT' <br />HEAVY WALL LIQUID TIGHT FLEXIBLE CONDUIT <br />FROM GROUND BAR DOWN TO THE GROUND RING. <br />NMI <br />�4 <br />NEW #6AWG FROM RACKS e <br />TO (E) GROUND BAR (TYP.) G2 <br />EXISTING 06 AWG FROM <br />ROUTER, ASIB, ASIK, 4 <br />ABIL, AND ABIC TO (E) G-2 <br />GROUND BAR (TYP.) <br />(E) GROUND BAR (FIELD 4 <br />VERIFY LOCATION) (TYP) G2 <br />(E) MECHANICAL LUG <br />CONNECTION (TYP.) KG27 <br />NEW #6 AWG FROM <br />WHEN CONNECTING SECTOR GROUND BARS, <br />DAISY -CHAIN THE GROUND BARS AND RUN 1 EA #2 <br />JUNCTION BOXES TO 4 <br />G-2 <br />AWG STRANDED COPPER WIRE WITH THWN <br />(E) GROUND BAR (TYP.) <br />INSULATION FROM THE MIDDLE GROUND BAR TO <br />THE GROUND RING AND CAD -WELD TO THE RING. <br />8. <br />WHEN ATTACHING STRANDED GROUND LEADS TO <br />THE GROUND BARS, 2 HOLE COMPRESSION LUGS <br />SHALL BE USED, PROTECT WITH WEATHERPROOF <br />HEAT SHRINK AND WITH A THIN COAT OF "KOP'R <br />SHIELD" OR EQUIVALENT PROPERLY APPLIED AND <br />N <br />ATTACHED ONLY WITH STAINLESS STEEL <br />HARDWARE. <br />9. <br />WHEN GROUNDING EQUIPMENT ENCLOSURES, <br />PANELS, FRAMES, AND OTHER METAL APPARATUS, <br />A#6AWG STRANDED COPPER WIRE WITH ZINGA 2 <br />INSULATION SHALL BE ATTACHED UTILIZING A2 <br />EQUIPMENT GROUNDING <br />2 <br />NCT.SE <br />HOLE COMPRESSION TYPE LUG, PROTECTED WITH <br />WEATHERPROOF HEAT A CLEAN AND CORROSION <br />FREE METALLIC SURFACE UTILIZING STAINLESS <br />STEEL SELF -TAPPING SCREWS AS NOTED IN NOTE <br />10 BELOW. <br />10. <br />PREPARE ALL BONDING SURFACES FOR GROUND <br />CONNECTIONS BY REMOVING ANY AND ALL PAINT <br />D .D <br />AND CORROSION TO SHINY METAL. FOLLOWING <br />CAD -WELDED CONNECTIONS TO NON -COPPER <br />w <br />SURFACES, APPLY ONE COAT OF ANY <br />N <br />ANTI -OXIDIZING PAINT, "COLD GALV' OR <br />m <br />EQUIVALENT. <br />�\ <br />0� <br />i 11. <br />GROUND RODS SHALL BE COPPER -CLAD STEEL <br />D\ <br />H <br />O <br />5/B'k10', SPACED NO LESS THAN 10' ON CENTER. <br />a <br />12 <br />ALL GROUND SYSTEM CONDUCTORS ANDcc <br />W <br />CONDUITS SHALL BE SECURED UTILIZING ONLY <br />, <br />\ <br />NONMETALLIC, NON-CONDUCTIVE, UV RATED <br />NEW #6 AWG FROM ANTENNA <br />3 <br />o <br />CLAMPS, BRACKET, AND OR SUPPORTS. <br />. <br />TO (E) SECTOR GROUND BAR (TYP.) <br />G2 <br />m 13. <br />WHEN REQUIRED, THE CONTRACTOR SHALL <br />u <br />_,B-B�_.0 <br />' �9 <br />3 <br />O <br />ENGAGE THE SERVICES OF AN INDEPENDENT <br />TESTING FIRM TO VERIFY, UTILIZING A MEGGER <br />I <br />F ' ��-� <br />I <br />NEW #6 AWG FROM AHFIG <br />TO (E) SECTOR GROUND BAR (TYP.) <br />G2 <br />W <br />TEST, THAT THE RESISTANCE TO EARTH OF THE <br />/ <br />NEW GROUND SYSTEM IS EQUAL TO OR LESS THAN <br />g <br />O� <br />L' <br />u <br />p <br />5 (OHMS). A COPY OF THE COMPLETE TESTING <br />c <br />REPORT SHALL BE PROVIDED TO THE T-MOBILE <br />REPRESENTATIVE. <br />C\ <br />q a$AH <br />V <br />1 <br />Q <br />f 14. <br />ALL MATERIALS AND HARDWARE SHALL BR <br />r'`G <br />z <br />y <br />INSTALLED IN A WORKMAN -LIKE MANNER IN <br />ACCORDANCE WITH MANUFACTURER'S <br />a" o <br />�' <br />S <br />u <br />O <br />RECOMMENDATIONS, AND DEFINED IN NFPA-70 AND <br />G <br />/ <br />Qp <br />APPROVED BY AHA <br />< <br />oo D• '0 <br />C <br />o ie G <br />W <br />J <br />Q <br />V <br />uJ <br />LEGEND <br />I I I / <br />X <br />a <br />■ <br />EXOTHERMIC CONNECTION <br />b <br />(E) SECTOR GROUND BAR <br />3N-NEIW FROM PENDANT 3 <br />(FIELD VERIFY LOCATION) G <br />G-2 TYP) TO (E)) SECTOR GROUND BAR (TYP.) G-2 <br />• <br />MECHANICAL CONNECTION <br />EQUIPMENT GROUND BAR <br />e <br />m <br />g <br />_ 4, <br />� <br />ANTENNA GROUND BAR (AS REQUIRED) <br />N <br />r <br />d <br />--'\NEW MECHANICAL <br />G 2 CONNECTION (TYP,) LUG <br />•t(�-- <br />#2 AWG GROUND LEAD (AS REQUIRED) <br />w -- <br />N <br />w NOTE: <br />J <br />2 <br />1. CONTRACTOR TO REPLACE ALL MISSING GROUND BARS N <br />O AND GROUNDING CONNECTIONS AS REQUIRED. <br />0 <br />W <br />zi NOTES & LEGEND SCALE 1 ANTENNA GROUNDING SCALE 3 <br />N.T.S. j IN.T,S. <br />y REV I/v 6 <br />�)E WA <br />� 0 <br />i Z <br />55484 <br />GcjURAL <br />FSS/O NAL F-�� <br />01.14.2021 <br />IT IS A VIOLATION OF LAW FOR ANY PERSON, UNLESS THEY <br />ARE ACTING UNDER THE DIRECTION OF A LICENSED <br />PROFESSIONAL ENGINEER, TO ALTER THIS DOCUMENT. <br />T •mMobile®m <br />19807 NORTH CREEK PARKWAY NORTH <br />BOTHELL, WA 98011 <br />Technology Associates <br />PNW MARKET OFFICE <br />9725 3RD AVENUE NE, STE. 410 <br />SEATTLE, WA 98115 <br />Technology Associates <br />ARCHITECTURE & ENGINEERING <br />2667 CAMINO DEL RIO SOUTH, STE. 205 <br />SAN DIEGO, CA 92108 <br />iQ <br />01/122021 <br />JXCORRECTIONS <br />MGM <br />0 <br />IOIIM02D <br />100%ANCHOR CD <br />MGM <br />A <br />D9M7/1020 <br />ISSUEDFOR90%CDREVIEW <br />EL <br />REV <br />DATE <br />I DESCRIPTION <br />BY <br />SE01845A <br />CASCADE HIGH <br />SCHOOL N. <br />WATERTANK <br />7410 OLYMPIC DRIVE <br />EVERETT, WA 98203 <br />WATERTANK <br />JURISDICTION APPROVAL STAMP <br />DEPARTMENT FOR LAND USE <br />DEPARTMENT FOR BUILDING & CONSTRUCTION <br />SHEET TITLE <br />GROUNDING <br />PLANS <br />SHEET NUMBER <br />Gml <br />i <br />