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w <br />r <br />m <br />n_ <br />a <br />o <br />w <br />a <br />(N <br />r <br />z <br />W <br />m <br />U <br />O <br />0 <br />z <br />0 <br />U <br />2 <br />0 <br />0 <br />LL <br />O <br />F <br />W <br />N <br />V) <br />z <br />0 <br />W <br />z <br />z <br />z <br />0 <br />0 <br />z <br />0 <br />a <br />0 <br />z <br />W <br />GROUNDING NOTES <br />GROUNDING NOTES <br />1. <br />GROUNDING SHALL COMPLY WITH NEC ART. 250. ADDITIONALLY, GROUNDING, BONDING AND LIGHTING PROTECTION SHALL BE <br />ADVERSE FINDINGS TO THE CONTRACTOR FOR RESOLUTION. <br />DONE IN ACCORDANCE WITH METRO MOD CELL SITE GROUNDING STANDARDS. <br />12. <br />ALL GROUND ELECTRODE SYSTEMS (INCLUDING TELECOMMUNICATION, RADIO, LIGHTNING PROTECTION, AND AC POWER GES'S) <br />2. <br />GROUND CABLE SHIELDS MINIMUM AT BOTH ENDS USING MANUFACTURERS CABLE GROUNDING KITS SUPPLIED BY PROJECT <br />SHALL BE BONDED TOGETHER, AT OR BELOW GRADE, BY TWO OR MORE COPPER BONDING CONDUCTORS IN ACCORDANCE <br />OWNER. <br />WITH THE NEC. <br />3. <br />USE #6 COPPER STRANDED WIRE WITH GREEN COLOR INSULATION FOR ABOVE GRADE GROUNDING (UNLESS OTHERWISE <br />13. <br />THE SUBCONTRACTOR SHALL PERFORM IEEE FALL —OF —POTENTIAL RESISTANCE TO EARTH TESTING (PER IEEE 1100 AND 81) <br />SPECIFIED) AND #2 SOLID TINNED BARE COPPER WIRE FOR BELOW GRADE GROUNDING AS INDICATED ON THE DRAWING. <br />FOR NEW GROUND ELECTRODE SYSTEMS. THE SUBCONTRACTOR SHALL FURNISH AND INSTALL SUPPLEMENTAL GROUND <br />ELECTRODES AS NEEDED TO ACHIEVE A TEST RESULT OF 5 OHMS OR LESS. <br />4. <br />ALL POWER AND GROUND CONNECTIONS TO BE CRIMP —STYLE, COMPRESSION WIRE LUGS AND WIRE NUTS BY HARGER (OR <br />APPROVED EQUAL) RATED FOR OPERATION AT NO LESS THAN 75-C OR CADWELD EXOTHERMIC WELD. DO NOT ALLOW BARE <br />14. <br />METAL RACEWAY SHALL NOT BE USED AS THE NEC REQUIRED EQUIPMENT GROUND CONDUCTOR. STRANDED COPPER <br />COPPER WIRE TO BE IN CONTACT WITH GALVANIZED STEEL.. <br />CONDUCTORS WITH GREEN INSULATION, SIZED IN ACCORDANCE WITH THE NEC, SHALL BE FURNISHED AND INSTALLED WITH <br />THE POWER CIRCUITS TO BTS EQUIPMENT. <br />5. <br />ROUTE GROUNDING CONDUCTORS ALONG THE SHORTEST AND STRAIGHTEST PATH POSSIBLE, EXCEPT AS OTHERWISE INDICATED. <br />GROUNDING LEADS SHOULD NEVER BE BENT AT RIGHT ANGLE. ALWAYS MAKE AT LEAST 12' RADIUS BENDS. #6 WIRE CAN <br />15. <br />EACH BTS CABINET FRAME SHALL BE DIRECTLY CONNECTED TO THE MASTER GROUND BAR WITH GREEN INSULATED <br />BE BENT AT 6' RADIUS WHEN NECESSARY. BOND ANY METAL OBJECTS WITHIN 6 FEET OF PROJECT OWNER EQUIPMENT OR <br />SUPPLEMENTAL EQUIPMENT GROUND WIRES, 6 AWG STRANDED COPPER OR LARGER FOR INDOOR BTS; 2 AWG SOLID COPPER <br />CABINET TO MASTER GROUND BAR OR GROUNDING RING. <br />FOR OUTDOOR BTS. <br />6. <br />CONNECTIONS TO GROUND BARS SHALL BE MADE WITH TWO HOLE COMPRESSION TYPE COPPER LUGS. APPLY OXIDE <br />16. <br />EXOTHERMIC WELDS SHALL BE USED FOR ALL GROUNDING CONNECTIONS BELOW GRADE. <br />INHIBITING COMPOUND TO ALL LOCATIONS. <br />17. <br />APPROVED ANTIOXIDANT COATINGS (I.E., CONDUCTIVE GEL OR PASTE) SHALL BE USED ON ALL COMPRESSION AND BOLTED <br />7. <br />APPLY OXIDE INHIBITING COMPOUND TO ALL MECHANICAL GROUND CONNECTIONS. <br />GROUND CONNECTIONS. <br />18. <br />ICE BRIDGE BONDING CONDUCTORS SHALL BE EXOTHERMICALLY BONDED OR BOLTED WITH STAINLESS STEEL HARDWARE TO <br />8. <br />CONTRACTOR SHALL PROVIDE AND INSTALL OMNI DIRECTIONAL ELECTRONIC MARKER SYSTEM (EMS) BALLS OVER EACH <br />THE BRIDGE AND THE TOWER GROUND BAR. <br />GROUND ROD AND BONDING POINT BETWEEN EXISTING TOWER/ MONOPOLE GROUNDING RING AND EQUIPMENT GROUNDING <br />RING. <br />19. <br />ALUMINUM CONDUCTOR OR COPPER CLAD STEEL CONDUCTOR SHALL NOT BE USED FOR GROUNDING CONNECTIONS. <br />9. <br />CONTRACTOR SHALL TEST COMPLETED GROUND SYSTEM AND RECORD RESULTS FOR PROJECT CLOSE—OUT DOCUMENTATION. 5 <br />20. <br />MISCELLANEOUS ELECTRICAL AND NON —ELECTRICAL METAL BOXES, FRAMES AND SUPPORTS SHALL BE BONDED TO THE <br />OHMNS MINIMUM RESISTANCE REQUIRED. <br />GROUND RING, IN ACCORDANCE WITH THE NEC. <br />10. <br />CONTRACTOR SHALL CONDUCT ANTENNA, CABLE, AND LNA RETURN —LOSS AND DISTANCE —TO —FAULT MEASUREMENTS (SWEEP <br />21. <br />METAL CONDUIT AND TRAY SHALL BE GROUNDED AND MADE ELECTRICALLY CONTINUOUS WITH LISTED BONDING FITTINGS OR <br />BY BONDING ACROSS THE DISCONTINUITY WITH 6 AWG COPPER WIRE UL APPROVED GROUNDING TYPE CONDUIT CLAMPS. <br />TESTS) AND RECORD RESULTS FOR PROJECT CLOSE OUT. <br />22. <br />GROUND CONDUCTORS USED IN THE FACILITY GROUND AND LIGHTNING PROTECTION SYSTEMS SHALL NOT BE ROUTED <br />11. <br />THE SUBCONTRACTOR SHALL REVIEW AND INSPECT THE EXISTING FACILITY GROUNDING SYSTEM AND LIGHTNING PROTECTION <br />THROUGH METALLIC OBJECTS THAT FORM A RING AROUND THE CONDUCTOR, SUCH AS METALLIC CONDUITS, METAL SUPPORT <br />SYSTEM (AS DESIGNED AND INSTALLED) FOR STRICT COMPLIANCE WITH THE NEC (AS ADOPTED BY THE AHJ), THE <br />CUPS OR SLEEVES THROUGH WALLS OR FLOORS. WHEN IT IS REQUIRED TO BE HOUSED IN CONDUIT TO MEET CODE <br />SITE —SPECIFIC (UL, LPI, OR NFPA) LIGHTING PROTECTION CODE, AND GENERAL COMPLIANCE WITH TELCORDIA AND TIA <br />REQUIREMENTS OR LOCAL CONDITIONS, NON—METALLIC MATERIAL SUCH AS PVC PLASTIC CONDUIT SHALL BE USED. WHERE <br />GROUNDING STANDARDS. THE <br />USE OF METAL CONDUIT IS UNAVOIDABLE (E.G., NON—METALLIC CONDUIT PROHIBITED BY LOCAL CODE) THE GROUND <br />SUBCONTRACTOR SHALL REPORT ANY VIOLATIONS OR <br />CONDUCTOR SHALL BE BONDED TO EACH END OF THE METAL CONDUIT. <br />CIT, OF SANTA ANA <br />Planning and Building Agency <br />Approved <br />ono PERMIT iccl in nlr-E <br />M <br />U <br />AT&T <br />1452 EDINGER AVENUE, 3RD FLOOR <br />TUSTIN, CA 92780 <br />amentum <br />2 ASH STREET, ST #3000 <br />CONSHOHOCKEN, PA 19428 <br />Bc <br />r c h i t e c t s <br />e n g i n e e r s <br />5661 COLUMBIA PIKE, SUITE 200 <br />FALLS CHURCH, VA 22041-2868 <br />TEL (703) 671-6000 <br />FAX: (703) 671-6300 <br />REVISIONS <br />REV. <br />DATE <br />DESCRIPTION <br />INMALS <br />A <br />01-23-25 <br />ISSUED FOR REVIEW <br />CG <br />B <br />04-22-25 <br />ISSUED FOR REVIEW <br />SD <br />0 <br />08-14-25 <br />FINAL CD'S <br />SD <br />1 <br />09-05-25 <br />FINAL CD'S <br />SD <br />2 <br />09-23-25 <br />FINAL CD'S <br />SD <br />NOT FOR CONSTRUCTION UNLESS <br />LABELED AS FOR CONSTRUCTION <br />()� N SI C�ql <br />�l <br />Q 'P, rn <br />J X <br />* C 90957 ,k <br />s� 9Z39 �Q <br />9� CIVIC - <br />Or CA��� <br />LICENSE NUMBER: C90957 <br />EXPIRATION DATE: MARCH 31, 2026 <br />SICA001875 <br />10087160 <br />2120 1 /2 SOUTH BRISTOL <br />SANTA ANA, CA 92704 <br />SHEET TITLE <br />GROUNDING NOTES <br />SHEET NUMBER <br />E-1 <br />1 <br />