Posted At: Tuesday, August 24, 2004 11:33 AM Subject: 241508Z AUG 04 (ISE) ADVISORY NO. 019-04 R 241508Z AUG 04 c=US;a=DMS;o=DC1;ou1=YLJF4;ou2=NAVSURFWARCEN SHIPSYSENGSTA(uc);dda:msxcx500=c:US,o:U.S. Government,ou:DoD,ou:NAVY,ou:Organizations(uc),l:Pennsylvania,l:PHILADEL PHIA,ou:NAVSURFWARCEN SHIPSYSENGSTA Importance: Low TO PRESINSURV NORFOLK VA(uc) COMNAVSURFOR SAN DIEGO CA COMNAVAIRFOR SAN DIEGO CA COMNAVSUBFOR NORFOLK VA CC CNO WASHINGTON DC(UC) COMFLTFORCOM NORFOLK VA COMLANTFLT NORFOLK VA COMPACFLT PEARL HARBOR HI COMNAVSURFPAC SAN DIEGO CA COMNAVSURFLANT NORFOLK VA COMNAVAIRPAC SAN DIEGO CA COMNAVAIRLANT NORFOLK VA COMSUBLANT NORFOLK VA COMSUBPAC PEARL HARBOR HI COMNAVSEASYSCOM WASHINGTON DC(UC) COMNAVSAFECEN NORFOLK VA(UC) PEO SHIPS WASHINGTON DC(UC) PEO CARRIERS WASHINGTON DC(UC) NAVSURFWARCENDIV PORT HUENEME CA(UC) FTSCLANT NORFOLK VA SOUTHWEST RMC SAN DIEGO CA NAVSURFWARCEN SHIPSYSENGSTA PHILADELPHIA PA(uc) TO PRESINSURV NORFOLK VA COMNAVSURFOR SAN DIEGO CA//N43// COMNAVAIRFOR SAN DIEGO CA//N43// COMNAVSUBFOR NORFOLK VA//N40// INFO CNO WASHINGTON DC//N09// COMFLTFORCOM NORFOLK VA//00/01/N43// COMLANTFLT NORFOLK VA//N43// COMPACFLT PEARL HARBOR HI//N43// COMNAVSURFPAC SAN DIEGO CA//N43// COMNAVSURFLANT NORFOLK VA//N43// COMNAVAIRPAC SAN DIEGO CA//N43// COMNAVAIRLANT NORFOLK VA//N43// COMSUBLANT NORFOLK VA//N40// COMSUBPAC PEARL HARBOR HI//N40// COMNAVSEASYSCOM WASHINGTON DC//05Z/05Z4/05N/05P4/04RS/ 04RM// COMNAVSAFECEN NORFOLK VA//30/34// PEO SHIPS WASHINGTON DC//400F/FC/FL/FR/FR1/FT// PEO CARRIERS WASHINGTON DC//PMS312/PMS378/TD// NAVSURFWARCENDIV PORT HUENEME CA//5E30// FTSCLANT NORFOLK VA//00// SOUTHWEST RMC SAN DIEGO CA//00// SOUTHEAST RMC MAYPORT FL//JJJ// HAWAII RMC PEARL HARBOR HI//JJJ// MIDLANT RMC NORFOLK VA//JJJ// MSGID/GENADMIN/NSWCCD-SSES 9345// SUBJ/IN SERVICE ENGINEERING (ISE) ADVISORY NO. 019-04, DESIGNATION OF ELECTRICAL-ELECTRONIC WORKBENCHES// REF/A/MSG/PRESINSURV/151816ZJUN2004/-/NOTAL// REF/B/MSG/COMNAVSURFOR/201956ZMAY2004/-/NOTAL// REF/C/DOC/NAVSEA/31JUL2003// REF/D/DOC/NAVSEA/01APR2003// NARR/REF A IS PRESINSURV MSG ON DESIGNATION OF WORKBENCHES. REF B IS COMNAVSURFOR MSG PROVIDING CLARIFICATION REGARDING DESIGNATION OF WORKBENCHES AS ELECTRICALLY SAFE OR AS MECHANICAL WORKBENCHES. REF C IS NSTM S9086-KC-STM-010 CH 300; ELECTRIC PLANT, GENERAL. REF D IS MIP 6652/006 A-1 MRC C4UZ.// POC/NSWCCD-SSES CODE 9345/LOC:PHILADELPHIA, PA/TEL:215-897-1199/ TEL:DSN 443-1199// POC/NAVSEA 05Z4/LOC:WASHINGTON NAVY YARD/TEL:202-781-3808/ TEL:DSN 326-3808// RMKS/1. THIS ISE ADVISORY CONTAINS GUIDANCE FOR DOWNGRADING AN ELECTRICAL-ELECTRONIC WORKBENCH TO A MECHANICAL WORKBENCH. 2. REF A TAKES THE POSITION THAT A WORKBENCH DOWNGRADED FROM AN ELECTRICAL-ELECTRONIC WORKBENCH TO A MECHANICAL WORKBENCH IAW REF B PRESENTS A POTENTIAL ELECTRICAL SAFETY HAZARD IF SOURCES OF 400 HZ, 60 HZ, AND DC POWER ASSOCIATED WITH THE ELECTRICAL-ELECTRONIC WORKBENCH ARE NOT ISOLATED. THESE TYPES OF POWER ARE PROVIDED FOR ELECTRICAL-ELECTRONIC WORKBENCHES SINCE THEY ARE USED TO WORK ON ENERGIZED ELECTRICAL AND ELECTRONIC EQUIPMENT. THIS MESSAGE USES THE TERM MECHANICAL WORKBENCH TO REFER TO ANY WORKBENCH NOT INTENDED FOR WORK ON ENERGIZED ELECTRICAL-ELECTRONIC EQUIPMENT. 3. IT IS NAVSEA'S UNDERSTANDING THAT SOME INSTALLED WORKBENCHES ARE NOT INTENDED OR DESIRED TO BE ELECTRICAL-ELECTRONIC WORKBENCHES. NAVSEA AGREES WITH THE CONCEPT OF RECLASSIFICATION OF SELECTED ELECTRICAL-ELECTRONIC WORKBENCHES AS MECHANICAL WORKBENCHES. NSTM CHAPTER 300, REF C, AND APPLICABLE PMS INCLUDING REF D, PROVIDE TECHNICAL REQUIREMENTS FOR THESE WORKBENCHES BUT, CURRENTLY DO NOT PROVIDE A PROCEDURE TO ACCOMPLISH THIS RECLASSIFICATION. ACCORDINGLY, REF C WILL BE REVISED TO INCORPORATE A PROCEDURE TO ENSURE APPROPRIATE STEPS ARE TAKEN TO MAKE A WORKBENCH SAFE FOR USE ONLY AS A MECHANICAL WORKBENCH. POTENTIALLY HAZARDOUS SOURCES OF POWER ON THE ELECTRICAL-ELECTRONIC WORKBENCH WILL BE REMOVED OR DE-ENERGIZED. 4. REF C WILL BE REVISED AS FOLLOWS: 300-H.6 RE-DESIGNATION OF ELECTRICAL WORKBENCH TO MECHANICAL WORKBENCH. 300-H 6.1 ELECTRICAL WORKBENCHES CAN BE CONVERTED AND RE-DESIGNATED, AS A MECHANICAL WORKBENCH BY THE AUTHORITY OF THE SHIP'S ELECTRICAL OFFICER WHEN IT HAS BEEN DETERMINED WORK ON ENERGIZED ELECTRICAL EQUIPMENT WILL NO LONGER BE PERFORMED ON THE WORKBENCH AND BY FOLLOWING THE REQUIREMENTS LISTED BELOW. 300-H 6.1.1 REQUIREMENTS TO CONVERT AND RE-DESIGNATE AN ELECTRICAL WORKBENCH TO A MECHANICAL WORKBENCH: (1) OBTAIN APPROVAL FROM THE SHIP'S ELECTRICAL OFFICER TO CONVERT AND RE-DESIGNATE THE ELECTRICAL WORKBENCH TO A MECHANICAL WORKBENCH. (2) DETERMINE WHETHER THE POWER DISCONNECT SWITCH FOR THE AFFECTED ELECTRICAL WORKBENCH IS CONNECTED AS TYPE 1, TYPE 2 OR TYPE 3 AS DESCRIBED IN SECTION 300-H.4.1 AS EACH TYPE PROVIDES A DIFFERENT MEANS OF CONNECTING THE ELECTRICAL WORKBENCH(ES) AND ELECTRICAL TEST PANEL(S), WHEN PROVIDED. IN ALL CASES, IT WILL BE REQUIRED TO PROPERLY IDENTIFY THE CONNECTED POWER SOURCES INCLUDING 450V, 110V, DC AND 400HZ SOURCES AND TRACE THEIR CIRCUITS TO THE DESIGNATED WORKBENCH AND ELECTRICAL TEST PANEL IN ORDER TO ELECTRICALLY ISOLATE THEM WITH THE EXCEPTION OF RETAINING POWER FOR THE 110V CONVENIENCE OUTLET. (3) IDENTIFY APPLICABLE POWER SOURCES PROVIDING 450V, 110V DC AND 400HZ POWER TO THE ELECTRICAL WORKBENCH AND ELECTRICAL TEST PANEL, WHEN INSTALLED. (4) TAG-OUT ALL SOURCES OF POWER, IN ACCORDANCE WITH SECTION 300-2.4.1, TO THE ELECTRICAL WORKBENCH AND ELECTRICAL TEST PANEL, WHEN INSTALLED. (5) IN THE CASE FOR AN ISOLATED ELECTRICAL WORKBENCH AND ELECTRICAL TEST PANEL, OPEN EITHER THE POWER PANEL OR TEST PANEL, AS APPROPRIATE, AND DISCONNECT POWER LEADS FROM THEIR TERMINALS FOR ALL CIRCUITS PROVIDING 450V, DC AND 400HZ POWER. POWER SHALL BE RETAINED FOR 110V CONVENIENCE OUTLET CIRCUIT. FOR THE CASE WHERE MULTIPLE ELECTRICAL TEST PANELS SHARE COMMON POWER SOURCES, IT WILL BE REQUIRED TO ISOLATE AFFECTED POWER AT THE TEST PANEL OF THE DESIGNATED WORKBENCH. AFTER PROPERLY IDENTIFYING POWER LEADS LIFT, TAPE AND SECURE THE DISCONNECTED LEADS. (6) CLOSE POWER PANELS OR TEST PANEL AND REMOVE SAFETY TAGS. (7) RE-ENERGIZE POWER SOURCES TO THE ELECTRICAL WORKBENCH AND ELECTRICAL TEST PANEL, WHEN INSTALLED. VERIFY THAT ALL SOURCES OF POWER AVAILABLE TO THE WORKBENCH AND TEST PANEL ARE DE-ENERGIZED WITH THE EXCEPTION OF POWER PROVIDED FOR THE 110V CONVENIENCE OUTLET. (8) REMOVE ORIGINAL PLACARD THAT IDENTIFIED THE WORKBENCH AS AN ELECTRICAL SAFE WORKBENCH AND CHANGE TO PLACARD IDENTIFYING WORKBENCH AS A MECHANICAL WORKBENCH; WORK ON ENERGIZED ELECTRICAL EQUIPMENT IS PROHIBITED ON THIS WORKBENCH AND ALL POWER SOURCES EXCEPT 110V CONVENIENCE POWER HAVE BEEN DISABLED AT THIS WORKBENCH. 5. THIS ADVISORY HAS NO IMPACT ON PMS, EOSS OR SUPPLY SUPPORT. IMPACT TO TECH MANUALS IS STATED IN PARAGRAPH 4; THE NEXT REVISION OF REF C WILL INCORPORATE PARAGRAPH 4 INFORMATION, TMDER CONTROL NUMBER N65540-04-DU01 APPLIES. THIS ADVISORY WILL BE CLOSED WHEN THE NEXT REVISION TO REF C IS ISSUED. 6. FOR LEAD TYCOMS: REQUEST READDRESS THIS MESSAGE TO ALL APPLICABLE UNITS.//