Document NEdowonKMbgjayeYEvG2pZNMg

LOSS PREVENTION AUDIT Page 21 C. Mechanical Integrity Mechanical Integrity is a new term used in the OSHA Process Safety Management Regulation (1910.119, Paragraph J). At Dow, Mechanical Integrity includes the items in this section: Electrical Systems Fire Protection Systems Fired Equipment Critical Instrument Systems Emergency Block Valves Storage Tanks Pressure Vessels/Relief Devices/Glass Devices/Expansion Joints Critical and Rotating Equipment (Including Compressors and Pumps) Management Systems Piping, Compressors and Pumps (Revised 02/18/94; cmk) 3/28/95; LAD:bwb 04706^ DO A LOSS PREVENTION AUDIT Page 22 Mechanical Integrity ELECTRICAL SYSTEMS REFERENCES: Minimum Requirements, National Electric Code, LPP 3. Included as part of the Loss Prevention Audit, is an Electrical 5-point inspection by the Electrical Maintenance Department. Contact your area electrical supervision to verify and coordinate this activity. Following is a list of some Loss Prevention items that will be included in that plant inspection: 1. The Electrical Area Plot Plan drawing should be reviewed and current. Contact Loss Prevention if revisions are required. (L.P.P.) Identify any installations that are in conflict with electrical plot plan. 2. The Safety Electrical One Line Diagram (SEOLD) should be reviewed and current per LAD S&LP S-214. 3. The electrical field audit will include an inspection of existing installations to observe mechanical integrity, maintenance needs, and conformance with L.P.P.-3., the National Electrical Code, and Area Classification practices. 4. The results of this Electrical Department 5-Point inspection audit will be included in the follow-up portions of this audit. B 1. Does your plant have: Yes [X] No D ^Redundant Electrical Power Supply? Yes [X] No 0 *Redundant Feeds? Yes 0 No [X] Diesel Generated Power Backup? Plans: There is a UPS system for critical instrument/electrical control systems backup. *Some plants have redundant feeds but single transformers. B 2. Yes [X] No 0 Is switch over automatic? (LPP 3.4) Last Date Exercised: Power took H-10 down 10/94 - no problems. switchover was successful with no loss of equipment. Plans: None. (Revised 02/18/94; crak) 3/28/95; LAD:bwb 00 a 04706: CONFIDFNT T A! LOSS PREVENTION AUDIT Page 23 A 3. Yes Q No [X] Are there major cable trays routed through flammable liquid areas where pooling resulting from spills can occur? (LPP 3.2.5) Plans: None. B 4. Yes 0 No [X] Do you have fire protection on any of your major cable trays, (i.e., water spray, drainage, routing, fire retardant materials)? (LPP 3.2.7) Explain: Not applicable. B 5. Yes [X] No Considering possible unit fire exposures, are all cable wall penetrations appropriately sealed with approved fire stops? (Urethane is not an approved fire stop.) (LPP 3.2.6) Plans: Dow Coming fire stop material is used. (Revised 02/18/94; cmk) 3/28/95; LADibwb A 047064 oo C.ONF T07^TAl --i 1 vL v 4^ ui c rana ewwc snomAC located at MfftnCAST COMMA OF SUKX 36 1-53 L-P MQTEl tomcscnpnocrftficoncpocr-csp*crrnr omcwnw is located PI ftAOC 30 NCV ^^TSS )-A _______ MCC-A MCC-M0 __________ 1_ r *CC-IM T? J MCC-TA3 >2AAA MCC-MSA CH 1 yTZ. S3-4 * OPERATED 0Y UTILITIES KC-CH fCC*CT-l (T) AAA* FEED TO WCHK WEAAEAS IMH. . w 51-3 FAC MdEFUCOD C I** tU AT A TO& SI-3 AOANNL SOCL _ VO.TMX ON TCTMANSFEM TO SM W1 TAKE place. iroM ie of oouagc m noc-ms. IMMFSt TO SM MU TAAE PUCE. ITW )M OF OOLTAOC m *CC-m. IMMFE* TO SI-S U TAKE PUCE. SET EF-MU. ___ TO WLTACE S 30 OEO.CUT OF FHAS* W T4 AMO ts iaIL 13CAEFCME-63-3 KNOT TO OE CUBED TOTH ETBCA EM ON 01-1 CLOSED. T^N (7) SAUCE FIAIES AAE SEKACO * m ^ pouch astaujed iaca oh vf-oloocceu. foma. V Nr rq^"- 1A--\ /% L LI .O M iiESie M.WOWW HEWED AM) UPDATED AS ACOlNAEO IPONTED i^o*rED L_ 1 ICE u cr mm SL ft. 8M CJO m Ml S/SI ir LiT arjMasa t-- UPDATED ' A M lF 77 ---- omm aaoc wetaw i ---- am- AHL WWLET__________. am. cTSteas____________ _ am- DM RJOOG M SAFETY ELECTRICAL ONE-LINE DIAGRAM 1 -- --- ==d Mc.UrMam--------------------- am- = mr *K ~*m ~ mi mMm BToEiami--------------- am- 1_________________ 1 1 Si I B7-B0-C51-001 r* t r . A I -------- c 1 J L, --4 M.L. 3*75. O'Y . ^ ffOAO 3*es.o-r SYttTCHGEAR RLDG. c*ss rt s\\ /AcXOmO*J& <S*/K*AT&Z \ AMO S<U>*V T+t. \ 7V/*S >C<. t N <ri *sa SI J ~L'4Bi NOTES ,< 1. HATCHtO AREAS INDICATE HAZARDCU5 CLASSiFiCATWNS- 2.AARLLE CMITOHNE-RHAAZRAERADSOUUISlK* HtTHE BULK 3.AU. CflUPMCHT < DEVICES WI7M* Eo-OtA MOUNTED EiTEfUMT 10 BUILD iu US AND HAZARDOUS AREAS SHALL BE COHftDSUW RESISTANT _ _ _ WITH NEWAS C* HEMAA- ENCLOSURES equipment within eunemts TO EE NEMAT DEHERAL. ITJIWSE.. 1 j6l . ! | UPDATEO {/ss^icc a/ jcerz&etjcc. "j rn to it *'* M.L. 5*50.0' Y 1(VltlON DO A 047007 GONFIDFNTTAL Sf ,____________rtMAftirn n.rt4g_vtiflHL yim /*/* siw-**" tHk 4LKM.I miss. 1 "" 1 L |l-l i-tj^-yoo ne mm* ~d COKSTWCT** g| "355ToS3nRP H0I1M JE mvjcct - juM^JhEzsM. TKS DOW CHEMICAL COMPANY aEcnticu wuirastfs wo cussromiM run |*1T g 1 - tt C$!->01 ffOtffTED -