Date |
Text |
2008-07-17 13:29:05 | |
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| THIS REVIEW WAS DONE UNDER THESE CURRENT CODE CYCLES: |
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| THE 2004 FLORIDA BUILDING CODE, 2007 REVISIONS, 2005 |
| NEC, NFPA-72 2002, NFPA-101 2003, 2004 FBC AS AMENDED, |
| CHAPTER 1.AND FOUND NONCOMPLIANT WITH THE FOLLOWING: |
| |
| 1} THE MANUFACTURERS SPECIFICATIONS REQUESTED IN THE |
| PRIOR REVIEW, COMMENT #3, WERE NOT SUBMITTED, THE |
| SCHEMATIC ON SHEET E2 DOES NOT CLEARLY INDICATE |
| COMPLIANCE WITH 230.76 OR 225.31, 32. PLEASE SUBMIT |
| SAME. |
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| 2} SHEET E5 INDICATES A BONDING JUMPER IN THE EXISTING |
| SWITCHGEAR IN VIOLATION OF 250.24(A)(5) "LOAD-SIDE |
| GROUNDING CONNECTIONS A GROUNDING CONNECTION SHALL NOT |
| BE MADE TO ANY GROUNDED CONDUCTOR ON THE LOAD SIDE OF |
| THE SERVICE DISCONNECTING MEANS EXCEPT AS OTHERWISE |
| PERMITTED IN THIS ARTICLE." THE NEUTRALS AND GROUNDS |
| MUST BE SEPARATED IN THE EXISTING SWITCHBOARD AS THE |
| APS IS NOW THE FIRST MEANS OF DISCONNECT. ALSO SEE |
| 250.6 OBJECTIONABLE CURRENT OVER GROUNDING CONDUCTORS |
| AND 250.32(B)(1)----- "ANY INSTALLED GROUNDED CONDUCTOR |
| SHALL NOT BE CONNECTED TO THE EQUIPMENT GROUNDING |
| CONDUCTOR OR TO THE GROUNDING ELECTRODE(S). |
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| 3} THE RESPONSE TO COMMENT #4 FROM THE PEVIOUS REVIEW |
| WAS NOT CLEAR, SEE COMMENT #1. |
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| 4} VERIFY THAT 250 MCM EQUIPMENT GROUND COMPLIES WITH |
| 250.122(F)(1). THIS WOULD DEPEND ON THE AMPERAGE RATING |
| OF THE OCP. SEE COMMENT #1. |
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| 5} THE NOTE "E" SHEET E5, SYSTEM GROUNDING LEGEND AND |
| NOTE "9" SHEET E2 REGARDING ARTICLE 250.32(A)(2) AND |
| USING THE NEUTRAL AS THE GROUND TO THE BUILDING IS NOT |
| ALLOWED. ARTICLE 250.32(B)(2) STATES " GROUNDED |
| CONDUCTOR WHERE (1) AN EQUIPMENT GROUNDING CONDUCTOR IS |
| NOT RUN WITH THE SUPPLY TO THE BUILDING OR STRUCTURE, |
| (2) THERE ARE NO CONTINUOUS METALLIC PATHS BONDED TO |
| THE GROUNDING SYSTEM IN EACH BUILDING OR STRUCTURE |
| INVOLVED". CONDITION #2 CANNOT BE MET . SEE E6"SYSTEM |
| CONTROL WIRING, AND SHEET E4 INDICATING CONTROL WIRING |
| RUNING BETWEEN THE STRUCTURE AND THE BUILDING AN |
| EQUIPMENT GROUND PER 250.122 IS REQUIRED, MAKING |
| COMMENT #2 A REQUIREMENT. |
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| IF THERE ARE ANY QUESTIONS PLEASE CALL. |
| |
| BILL TROBAUGH |
| ELECTRICAL PLANS EXAMINER |
| CITY OF WEST PALM BEACH |
| 561/805-6718 |
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