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M
<br />'M''1'
<br />PROPOSED NEW "MS-502"
<br />4000 AMP MAIN SERVICE
<br />480Y277V, 3PH, 4-WIRE
<br />NEMA-3R, RAINTIGHT
<br />100,000 AIC
<br />MCC
<br />T
<br />NEW "MS1"
<br />600 AMP DISTRIBUTION PANEL
<br />480Y277V, 3PH, 4-WIRE
<br />NEMA-1 INDOOR
<br />42,000 AIC MINIMUM
<br />T
<br />600A BUS
<br />4000 AMP BUS
<br />400A
<br />3P
<br />200A
<br />3P
<br />400A
<br />3P
<br />200A
<br />3P
<br />600A
<br />3P
<br />200A
<br />3P
<br />200A
<br />3P
<br />200A
<br />3P
<br />600A
<br />3P
<br />1 2 3 4 5 6 7 8 9 10 12
<br />10 2 1 4 7 2 6
<br />4000A
<br />UGPS
<br />W/LUGS
<br />4000A
<br />3P
<br />100K
<br />ISC
<br />GFP
<br />3/4" - 1#3/0 CU TO C.W.
<br />PIPE AND TO GROUND
<br />RODS
<br />CABLE TRENCH
<br />PROPOSED
<br />10'X12'
<br />CUSTOMER
<br />SLAB BOX
<br />ONE 5"
<br />PROPOSED
<br />5'X11'
<br />SWITCH PAD
<br />ONE 5" PVC SCH. 40
<br />TO SCE SERVICE POINT
<br />PRESS
<br />#9 A
<br />PRESS
<br />#9 B
<br />200A
<br />480Y 277V
<br />3PH, 4W
<br />MAINT. BUILDING PRESS 7
<br />800A
<br />480V
<br />3PH, 3W
<br />A
<br />PRESS
<br />#6B
<br />PRESS
<br />#6A
<br />PRESS
<br />#5B
<br />SEE
<br />MS1
<br />357.1A 456.2A 96.0A 226.0A 90.1A 522.2A 100.3A 124.0A 116.3A
<br />318.52A
<br />UTILITY COMPANY CONTRIBUTION TO
<br />THE AVAILABLE FAULT CURRENT
<br />WILL NOT EXCEED 54,400 AMPS
<br />1735.8 KW
<br /> X 1.25
<br />2,169.75 KVA
<br />(PEAK DEMAND BRANCH # 1 - #11)
<br />CEC 220.87
<br />2,169.75 KVA
<br />480 3V =2613 AMPS
<br /> 397.7 AMPS (BRANCH #12)
<br /> 3,010.7 AMPS
<br />NEW 16"X16"X4"
<br />(MINIMUM)
<br />PULL BOX
<br />SEE ABOVE
<br />3/4" -1#3/0 CU TO C.W.
<br />PIPE AND TO GROUND
<br />RODS (AT 516 BUILDING )
<br />NEW 600/3P SERVICE
<br />RATED DISCONNECT
<br />WITH (3) 600 AF.
<br />NEMA 3R
<br />8 C
<br />9 10 9 11
<br />1 2 3 4
<br />600 A
<br />3P
<br />MAIN
<br />42K
<br />ISC
<br />50 A
<br />3P
<br />42K
<br />ISC
<br />400 A
<br />3P
<br />42K
<br />ISC
<br />70 A
<br />3P
<br />42K
<br />ISC
<br />200 A
<br />3P
<br />42K
<br />ISC
<br />7
<br />37.5 KVA 15 KVA
<br />HEAT
<br />TREAT
<br />OVEN 4A
<br />OFFICE
<br />47.1A
<br />48.8A
<br />175.0A
<br />211.6 KW
<br /> X 1.25
<br />264.5 KVA
<br />(PEAK DEMAND)
<br />264.5 KVA/480 3 V = 318.52 AMPS
<br />PNL LA2
<br />#4 CU
<br />100AMP
<br />14
<br />3P
<br />200AMP 3P
<br />15
<br />#4 CU
<br />T
<br />25 KVA #4 CU
<br />14
<br />PNL HA1 PNL LA1 PNL LB
<br />PNL HA
<br />T
<br />75 KVA #4 CU
<br />PNL HA2
<br />502B
<br />PNL 502A
<br />HA
<br />600A
<br />3P
<br />PNL 502B
<br />HB
<br />07
<br />150A
<br />3P
<br />PRESS
<br />#5A
<br />12
<br />100A
<br />3P
<br />200 AMP
<br />75A85A
<br />PNL 502A
<br />OVEN
<br />2
<br />200A
<br />3P
<br />L=145'
<br />VD=.35%
<br />L=155'
<br />VD=.5%
<br />L=65'
<br />VD=.21%
<br />L=145'
<br />VD=.40%
<br />L=150'
<br />VD=.36%
<br />L=170'
<br />VD=.44%
<br />L=130'
<br />VD=.46%
<br />L=175'
<br />VD=.50%
<br />L=180'
<br />VD=.64%
<br />L=185'
<br />VD=.62%
<br />L=190'
<br />VD=.62%
<br />L=220'
<br />VD=.62%
<br />11
<br />200AMP
<br />3P
<br />2
<br />PNL B1
<br />100AMP
<br />3P
<br />#4 CU
<br />PNL LB1
<br />200AMP
<br />3P
<br />2"C-4#3/0 THHN CU
<br />(EMT ) 1#4 GRD
<br />(EMT)
<br />LOAD CALCULATION
<br />LOAD CALCULATION
<br />MS-502
<br />MS1
<br />L-15'
<br />28,471 A
<br />26,406 A
<br />4000 AMP SERVICE IS ADEQUATE
<br />MS1 IS ADEQUATE
<br />AIC =44,000
<br />L-10'
<br />37,840 A
<br />23,798 A 42,340 A 17,123 A
<br />17,129 A 23,774 A
<br />B
<br />15,285 A 33,818 A
<br />15,868 A 14,656 A 14,656 A 10,959 A 28,471 A
<br />8
<br />PB
<br />50AMP 3P 70AMP 3P
<br />16 17
<br />(N)(N)(E)
<br />(N)
<br />(N)
<br />(N)
<br />(E)(E)
<br />(E)
<br />(E)
<br />(E)
<br />(E)(E)(E)(E)
<br />(N)
<br />(N)
<br />(E)
<br />(E)
<br />(N)
<br />(N)
<br />(E)
<br />(E)
<br />(E)
<br />(E)
<br />(E)
<br />(E)
<br />(E)
<br />(N)(N)
<br />1"C-3#2 THHN CU.
<br />1#8 CU GRD
<br />T-LB1
<br />75 KVA
<br />480V-120/208V, 3Ø, 4W
<br />150AMP
<br />3P
<br />PNL LB2
<br />125AMP
<br />3P
<br />(E)
<br />1
<br />COPYRIGHT LEWIS ROSS ASSOCIATES
<br />FILE NAME:
<br />SHEET
<br />NUMBER:
<br />DESCRIPTION:
<br />PROJECT NAME:
<br />DRAWN BY:
<br />SCALE:
<br />DATE:
<br />PROJECT NO.:
<br />CLIENT:
<br />PROJECT NO.
<br />PROJECT:
<br />AS SHOWN
<br />OST
<br />ALUMINUM PRECISION PRODUCTS
<br />04-14-2025
<br />24-121
<br />NEC ELECTRIC
<br />INC.
<br />24-121
<br />ALUMINUM
<br />PRECISION
<br />PRODUCT
<br />ADDRESS:
<br />502 E. ALTON AVE.
<br />516 E. ALTON AVE.
<br />SANTA ANA, CA 92707
<br />17015 SO. BROADWAY ST.
<br />GARDENA, CA 90248
<br />REV DESCRIPTION DATE
<br />9401 RESEDA BLVD. SUITE 200
<br />NORTHRIDGE, CA 91324
<br />PHONE: (818) 886-2190 FAX: (818) 886-2131
<br />PLAN CHECK 11-13-2024-
<br />Lewis Ross Dropbox\Projects\2020\20-180 17806
<br />Lassen\LRA Drawings
<br />PLAN CHECK CORRECTIONS 01-16-20251
<br />CORRECTIONS 04-14-20252
<br />E-0.3
<br />SINGLE LINE DIAGRAM
<br />SINGLE LINE DIAGRAM
<br />N.T.S.
<br />FEEDER SCHEDULE
<br />TAG FEEDER
<br />1 3 1/2" EMT WITH 3#500 MCM AND 1#3 THHN CU
<br />2 2 1/2" EMT WITH 3#3/0 AND 1#6 THHN CU
<br />3 THREE 3 1/2" EMT WITH 3#400 MCM AND 1#2/0 THHN CU EACH (TRIPLE
<br />PARALLEL RUN)
<br />4 3" PVC SCH. 40 WITH 4#3/0 AND 1#6 THWN CU
<br />5 THREE 3" EMT WITH 3#300 MCM AND 1#1/0 THHN CU EACH(TRIPLE PARALLEL
<br />RUN)
<br />6 TWO 4" PVC SCH. 40 WITH 4#350 MCM AND 1#1 THWN CU EACH (PARALLEL
<br />RUN)
<br />7 TWO 3" EMT WITH 3#350 MCM AND 1#1 THHN CU EACH (PARALLEL RUN)
<br />8 TWO 3" EMT WITH 4#350 MCM THWN CU EACH AND 1#1 THHN CU
<br />9 1 1/2" EMT WITH 3#4 AND 1#8 THHN CU
<br />10 4" EMT WITH 3#600 MCM AND 1#2/0 THHN CU
<br />11 2" EMT WITH 3#3/0 AND 1#6 THHN CU
<br />12 2"-3#1/0, 1#6 THHN CU
<br />13 2"-4#3/0, 1#6 THHN CU
<br />14 1 1/4"C EMT 4#2 THHN CU, 1#8 GRD CU
<br />15 2" EMT 4#3/0 THHN CU, 1#1 THHN CU
<br />16 1"C 4#8 THHN CU EMT, 1#8 THHN CU
<br />17 1 1/4"C 4#4 THHN CU EMT, 1#8 THHN CU
<br />TABLE OF APPROXIMATE
<br />AVAILABLE FAULT CURRENTS
<br />NODE LOCATION AAFC
<br />A PANEL "M"15,285A
<br />B MCC-1 33,818A
<br />C MS1 28,471A
<br />PANEL "M" TO BE BRACED/RATED FOR
<br />22,000 AIC MINIMUM.
<br />MCC-1 TO BE BRACED/RATED FOR
<br />35,000 AIC MINIMUM.
<br />MS1 TO BE BRACED/RATED FOR
<br />42,000 AIC MINIMUM.
<br />REFERENCE NOTES
<br />CHANGE EXISTING 800AMP BREAKER TO A 3 POLE, 600AMP, 100 KAIC BREAKER.ITEMS MARKED (N) OR SHOWN
<br />DARK ARE NEW. ITEMS SHOWN
<br />LIGHTS OR MARKED (E) ARE
<br />EXISTING.
<br />FAULT CURRENT IS 54,400 AIC.
<br />2
<br />CHANGING THE TRIP PLUG TO 600AMP.
<br />2
<br />ALL LOADS ARE EXISTING AND IN OPERATION. FED FROM THE EXISTING 1600A
<br />OVERHEAD SERVICE.
<br />BUILDING GROUND TO BE BONDED TO THE ECG OF THE THE FEEDER ONLY.
<br />THE GROUND FAULT PROTECTION SYSTEM SHALL BE PERFORMANCE TESTED WHEN
<br />FIRST INSTALLED ON SITE. THIS TESTING SHALL BE CONDUCTED BY A QUALIFIED
<br />PERSON(S) USING A TEST PROCESS OF PRIMARY CURRENT INJECTION, IN
<br />ACCORDANCE WITH INSTRUCTIONS THAT SHALL BE PROVIDED WITH THE EQUIPMENT. A
<br />WRITTEN RECORD OF THIS TESTING SHALL BE MADE AND SHALL BE AVAILABLE TO THE
<br />AUTHORITY HAVING JURISDICTION. CEC 230.95(C)
<br />2
<br />2
<br />2
<br />2
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