|
MAIN GROUND SYSTEM DETAIL
<br />WHERE APPLICABLE: GROUNDING ELECTRODE
<br />TO METAL UNDERGROUND WATER PIPE WITHIN
<br />5' FROM THE MAIN ENTRANCE INTO BLDG PER
<br />ART. 250-58-(A)(1)
<br />WHERE APPLICABLE: TO EFFECTIVELY
<br />GROUND METAL FRAME OF THE BLDG. PER
<br />ART. 250-52-(A)(2)
<br />WHERE APPLICABLE: TO GAS PIPING
<br />PER ART. 250-104(B)
<br />WHERE APPLICABLE: TO SPRINKLER PIPING
<br />PER ART. 250-104(B)
<br />20 FEET OF OF #4 BARE COPPER TO CONCRETE
<br />ENCASED GROUNDING ELECTRODE. 250-52-(A)(3)
<br />3/0 CU TO EACH SERVICE ENTRANCE SECTION
<br />WITHIN THE BUILDING
<br />1 #* CU TO GROUNDED CONDUCTOR PER ART.250-28
<br />PROVIDE PERMANENT TAG TO IDENTIFY EACH
<br />GROUND
<br />FULL WIDTH x 1
<br />2" DEPTH x 2" HIGH BARE COPPER BUS
<br />PLATE ATTACHED TO WALL OF ELECTRICAL ROOM
<br />WITH 1
<br />2" SPACERS
<br />1
<br />2" PORCELAN INSULATORS 6" O.C.
<br />BETWEEN WALL AND COPPER
<br />GROUND BAR
<br />1 #6 CU TO MAIN TELEPHONE
<br />BACKBOARD
<br />FINISHED FLOOR
<br />WHERE APPLICABLE: GROUNDING ELECTRODE
<br />CONDUCTOR TO TRANSFORMER(S) SEE
<br />ONE-LINE DIAGRAM FOR APPROPRIATE SIZE.
<br />WHERE APPLICABLE: BONDING CONDUCTOR TO
<br />BUILDING STEEL. NOTE: ISOLATED BUILDING
<br />STEEL SECTIONS MUST BE BONDED TOGETHER
<br />AS A SYSTEM.
<br />1. THE BONDING OF WATER AND SPRINKLER PIPING APPLIES TO METALIC PIPING ONLY. NON-METALLIC WATER AND FIRE
<br />SPRINKLER PIPING IS NOT REQUIRED.
<br />2. METAL PIPING WITHIN ANY APARTMENT OR TENANT SPACE SHALL BE BONDED TO THE GROUNDING ELECTRODE SYSTEM.
<br />ALL CONDUCTORS, THIS DETAIL, SHALL BE
<br />ROUTED WITHIN SCHEDULE 80 PVC OR,
<br />WHERE INSTALLED IN METALLIC RACEWAYS
<br />OR CONDUIT, SHALL BE BONDED TO EACH
<br />END OF THE RACEWAY AND CONDUIT USING
<br />FITTINGS LISTED FOR THE PURPOSE.
<br />GROUNDING ELECTRODE CONDUCTOR SIZE:
<br />SERVICE SIZE
<br />0 - 200A:
<br />201 - 400A:
<br />401 - 600A:
<br />601 - 1000A:
<br />1,200A AND LARGER:
<br />G.E.C. SIZE (CU)
<br />#4
<br />#2
<br />#1/0
<br />#2/0
<br />#3/0
<br />** GROUNDING ELECTRODE CONDUCTOR
<br />SHALL BE SIZED AS FOLLOWS:
<br />SERVICE SIZE
<br />0-200A
<br />201-400A
<br />OVER 401A
<br />G.E.C. SIZE (CU)
<br />#4
<br />#1/0
<br />#3/0
<br />SCALE
<br />NONE 1
<br />MAIN BONDING JUMPER SIZE:
<br />THE MAIN BONDING JUMPER SUPPLIED WITH
<br />EQUIPMENT IS TO BE USED TO PRESERVE THE LISTING
<br />OF THE EQUIPMENT. IF THE MBJ IS MISSING, CONTACT
<br />THE MANUFACTURER TO SUPPLY THE MAIN BONDING
<br />JUMPER. AS THE EQUIPMENT IS LISTED, ANY
<br />DEVIATION FROM THIS WILL VIOLATE NEC 110.3(B).
<br />2P
<br />100A
<br />1-
<br />1
<br />/
<br />4
<br />"
<br />C
<br />,
<br />
<br />2
<br />#
<br />1
<br />,
<br />
<br />#
<br />1
<br />N
<br />,
<br />
<br />#
<br />8
<br />G
<br />3P
<br />100A
<br />1-
<br />1
<br />/
<br />2
<br />"
<br />C
<br />,
<br />
<br />3
<br />#
<br />1
<br />,
<br />
<br />#
<br />1
<br />N
<br />,
<br />
<br />#
<br />8
<br />G
<br />2"
<br />C
<br />,
<br />
<br />3
<br />#
<br />3
<br />/
<br />0
<br />,
<br />
<br />#
<br />3
<br />/
<br />0
<br />N
<br />,
<br />
<br />#
<br />4
<br />G
<br />3P
<br />100A
<br />1-
<br />1
<br />/
<br />2
<br />"
<br />C
<br />,
<br />
<br />3
<br />#
<br />1
<br />/
<br />0
<br />,
<br />
<br />#
<br />6
<br />G
<br />PANEL HB
<br />200A
<br />MCB
<br />3P
<br />200A
<br />2"
<br />C
<br />,
<br />
<br />3
<br />#
<br />3
<br />/
<br />0
<br />,
<br />
<br />#
<br />3
<br />/
<br />0
<br />N
<br />,
<br />
<br />#
<br />4
<br />G
<br />MAIN LV SWITCHBOARD: MSA
<br />480Y/277V 3P 4W
<br />2000A BUS
<br />FRONT ACCESS, TYPE 1 FREE STANDING
<br />ALUMINUM BUS 100% SIZED NEUTRAL
<br />NEMA TYPE 3 ENCLOSURE
<br />EATON TYPE OR EQUAL
<br />RATED FOR SEISMIC ZONE 4
<br />75ºC (MIN) RATED TERMINATIONS
<br />65,000AIC
<br />2000A
<br />3P
<br />MCB
<br />LSIG
<br />MMS
<br />3P
<br />100A
<br />1-
<br />1
<br />/
<br />4
<br />"
<br />C
<br />,
<br />
<br />3
<br />#
<br />2
<br />,
<br />
<br />#
<br />8
<br />G
<br />3P
<br />200A
<br />2"
<br />C
<br />,
<br />
<br />3
<br />#
<br />3
<br />/
<br />0
<br />,
<br />
<br />#
<br />3
<br />/
<br />0
<br />N
<br />,
<br />
<br />#
<br />6
<br />G
<br />3P
<br />700A
<br />(2
<br />)
<br />4
<br />"
<br />C
<br />,
<br />
<br />3
<br />#
<br />5
<br />0
<br />0
<br />k
<br />c
<br />m
<br />i
<br />l
<br />,
<br />
<br />#
<br />5
<br />0
<br />0
<br />k
<br />c
<br />m
<br />i
<br />l
<br />
<br />N
<br />,
<br />
<br />#
<br />1
<br />/
<br />0
<br />G
<br />3P
<br />700A
<br />(2
<br />)
<br />3
<br />"
<br />C
<br />,
<br />
<br />3
<br />#
<br />4
<br />0
<br />0
<br />k
<br />c
<br />m
<br />i
<br />l
<br />,
<br />
<br />#
<br />4
<br />0
<br />0
<br />k
<br />c
<br />m
<br />i
<br />l
<br />
<br />N
<br />,
<br />
<br />#
<br />1
<br />/
<br />0
<br />G
<br />T3
<br />75KVA
<br />480V 3P 3W
<br />208Y/120V 3P 4W
<br />N
<br />GND
<br />3/0 AWG, CU
<br />MAIN SECTION DISTRIBUTION SECTIONPULL & METER SECTION
<br />M
<br />UTILITY: SCE
<br />2000A, 480Y/277V, 3Ø, 4W
<br />SERVICE.
<br />UNDERGROUND
<br />SERVICE
<br />CONDUCTORS
<br />UNDERGROUND
<br />SERVICE
<br />CONDUCTORS
<br />(E)
<br />SPARE SPARE
<br />(E)
<br />SPARE
<br />T1
<br />75KVA
<br />480V 3P 3W
<br />208Y/120V 3P 4W
<br />PANEL HA
<br />200A
<br />MLO
<br />PANEL LA
<br />200A3P
<br />200A
<br />PANEL LAA
<br />100A
<br />MLO
<br />PANEL LAA1
<br />100A
<br />MLO
<br />(E)
<br />(E)
<br />(E)
<br />(E)
<br />SPARESPARE
<br />PANEL H2
<br />700A
<br />MLO
<br />PANEL H1
<br />700A
<br />MLO
<br />(N) (N)
<br />(E)
<br />4
<br />2 3
<br />-
<br />1. GROUNDING ELECTRODE SYSTEM. SEE DETAIL THIS SHEET FOR ADDITIONAL
<br />INFORMATION.
<br />2. EXISTING MINIMUM #4 GROUNDING ELECTRODE CONDUCTOR TO BUILDING
<br />GROUNDING ELECTRODE SYSTEM.
<br />3. EXISTING MINIMUM #4 SYSTEM BONDING JUMPER.
<br />4. ALL TERMINATIONS OR CONNECTORS TO BE RATED 75 DEGREE CENTIGRADE
<br />MINIMUM.
<br />5. COORDINATE EXACT LOCATIONS OF UTILITY SOURCES WITH CIVIL SITE UTILITIES
<br />PLAN DRAWINGS.
<br />6. EXISTING PANEL 'HA', 200A, 480/277V, 3P, 4W. E.C. IS TO INTERCEPT THE EXISTING
<br />FEEDERS AND PROVIDE A JUNCTION BOX (SIZE TO MEET MINIMUM CEC
<br />REQUIREMENTS) TO TRANSITION AND EXTEND FEEDERS TO RECONNECT TO NEW
<br />SWITCHBOARD 'MSA'.
<br />7. EXISTING DRY TRANSFORMER 'T3', 75 KVA, E.C. IS TO INTERCEPT THE EXISTING
<br />FEEDERS AND PROVIDE A JUNCTION BOX (SIZE TO MEET MINIMUM CEC
<br />REQUIREMENTS) TO TRANSITION AND EXTEND FEEDERS TO RECONNECT TO NEW
<br />SWITCHBOARD 'MSA'.
<br />8. MAXIMUM PERMISSIBLE LOAD IS LIMITED TO 670A.
<br />KEYNOTES
<br />PANEL ANNOTATION
<br />A
<br />100A
<br />MCCB
<br />PANEL REFERENCE
<br />BREAKER RATING OR MINIMUM BUS
<br />BREAKER (MCCB) OR MAIN LUGS ONLY (MLO)
<br />1. DO NOT USE THE CONDUCTOR LENGTHS FOR BIDDING PURPOSES, THESE ARE TO
<br />BE USED TO CALCULATE THE AVAILABLE FAULT CURRENT AND VOLTAGE DROP OF
<br />CONDUCTORS ONLY. WHERE CONDUCTORS ARE INCREASED IN LENGTH, THE
<br />ELECTRICAL CONTRACTOR SHALL VERIFY THE INSTALLATION WILL COMPLY WITH
<br />THE CEC AND ENERGY CODE VOLTAGE DROP REQUIRMENTS.
<br />2. ALL CONDUCTORS TO BE RATED FOR 600 VOLTS. CONDUCTOR INSULATION SHALL
<br />BE THHN/THWN-2 OR XHHW-2.
<br />3. WHERE CONDUCTORS ARE INCREASED IN SIZE, FOR ANY REASON, THE
<br />ELECTRICAL CONTRACTOR SHALL ENSURE THE OVERCURRENT DEVICES AND
<br />TERMINATIONS WILL ACCEPT THE LARGER CONDUCTOR. WHERE THE
<br />OVERCURRENT DEVICES OR TERMINATIONS WILL NOT ACCEPT THE LARGER
<br />CONDUCTOR, THE ELECTRICAL CONTRACTOR SHALL PROVIDE THE NECESSARY
<br />SPLICES AND ACCOMODATIONS TO REDUCE CONDUCTORS TO A SIZE THE DEVICE
<br />OR EQUIPMENT MAY ACCEPT.
<br />GENERAL NOTES – ONE LINES
<br />COMMENCEMENT OF WORK NOTE
<br />UPON COMMENCEMENT OF WORK, THE ELECTRICAL CONTRACTOR SHALL IMMEDIATELY
<br />VERIFY ALL EXISTING CONDITIONS, AS THEY RELATE TO THE ONE-LINE DIAGRAM(S) AND
<br />REPORT ANY AND ALL DISCREPANCIES TO 120 DEGREEZ ENGINEERING. THIS INCLUDES
<br />OVERCURRENT PROTECTIVE DEVICE SIZE, TYPE, AND AIC RATINGS; WIRE SIZE, TYPE,
<br />INSULATION, AND LENGTH; PANEL AND DISTRIBUTION EQUIPMENT SHORT CIRCUIT
<br />CURRENT RATINGS; PANEL AND DISTRIBUTION EQUIPMENT SIZE IN AMPERES; PANEL
<br />AND DISTRIBUTION EQUIPMENT PHASE AND VOLTAGE RATINGS; TRANSFORMER SIZE IN
<br />KVA AND IMPEDANCE RATINGS; AND TO VERIFY LOCATION OF THE EXISTING
<br />EQUIPMENT AND SYSTEMS.
<br />THE ELECTRICAL CONTRACTOR IS ADVISED TO COORDINATE
<br />WITH THE ENGINEER IN ADVANCE FOR ANY CHANGES FROM
<br />THE DESIGN SHOWN HEREIN. ANY EVALUATION OF FIELD
<br />CHANGES OR REWORK OF THE DRAWINGS DUE TO FIELD
<br />CHANGES BY THE CONTRACTOR WILL BE SUBJECT TO
<br />ADDITIONAL SERVICES FEES. APPROVAL BY THE ENGINEER
<br />OF FIELD CHANGES MADE WITHOUT PRIOR COORDINATION
<br />WILL BE AT THE SOLE DISCRETION OF THE ENGINEER.
<br />1. REFER TO ELECTRICAL SHEET E0.00 FOR ADDITIONAL ELECTRICAL NOTES AND
<br />ABBREVIATIONS.
<br />2. ALL ITEMS SHOWN SHALL BE NEW.
<br />3. ALL FEEDER LENGTHS SHOWN ARE FOR VOLTAGE DROP & SHORT CIRCUIT
<br />CALCULATIONS ONLY.
<br />4. MAIN SWITCHBOARD "MSA" BUS BRACING AND AIC RATING OF ALL DEVICES SHALL
<br />BE 65kA.
<br />5. DISTRIBUTION SYSTEM SHALL BE FULLY RATED. SERIES RATING IS NOT
<br />PERMITTED.
<br />6. REFER TO PANEL SCHEDULES FOR AIC RATINGS.
<br />7. ALL GROUNDING CONNECTION TO THE COLD WATER PIPE SHALL BE MADE WITHIN
<br />THE FIRST FIVE FEET OF THE WATER PIPE ENTRANCE TO THE BUILDING PER N.E.C.
<br />ARTICLE 250-50.
<br />8. ALL EQUIPMENT MOUNTED ON THE ROOF AND/OR EXTERNALLY TO BE NEMA 3R.
<br />9. FURNISH A MINIMUM OF 25% SPARE BREAKERS AND A FURTHER 25% SPACE
<br />UNLESS OTHERWISE NOTED ON THE PANEL SCHEDULES.
<br />10. FURNISH AN ISOLATED GROUND OF EQUAL SIZE TO GROUND CONDUCTOR WHERE
<br />APPLICABLE.
<br />11. THIS DRAWING TAKES PRECEDENCE OVER PANEL SCHEDULES FOR PANEL AND
<br />TRANSFORMER FEEDER SIZES.
<br />12. PROVIDE SURGE PROTECTION IN COMPLIANCE WITH NFPA 780 AND C.E.C.
<br />GENERAL NOTES
<br />4
<br />2 3
<br />(R
<br />E
<br />C
<br />O
<br />N
<br />N
<br />E
<br />C
<br />T
<br />)
<br />(R
<br />E
<br />C
<br />O
<br />N
<br />N
<br />E
<br />C
<br />T
<br />
<br />)
<br />5
<br />1
<br />(E)
<br />(E)
<br />(E
<br />)
<br />(E
<br />)
<br />(E
<br />)
<br />(E
<br />)
<br />(E
<br />)
<br />6
<br />7
<br />FEEDER RACEWAY AND CONDUCTORS
<br />NOTE
<br />VOLTS
<br />FED FROM
<br />MOUNTING
<br />ROOM
<br />CBCIRCUIT DESCRIPTION
<br />LOAD KVA
<br />#
<br />CKT BREAKER
<br />TRIP/POLES A
<br />NEUTRAL
<br />BUS AMPS
<br />AIC
<br />MAIN BKR
<br />LUGS
<br />480Y/277V 3P 4W
<br />FLOOR
<br />MSA
<br />UTILITY STANDARD
<br />2000
<br />65,000
<br />2000
<br />100%
<br />(2)3"C,3#400kcmil,#400kcmil N,#1/0G0700/31 0 0
<br />(2)4"C,3#500kcmil,#500kcmil N,#1/0G0700/32 0 0
<br />-0-/33 0 0
<br />-0-/34 0 0
<br />2"C,3#3/0,#3/0N,#6G0200/35 0 0
<br />-0-/36 0 0
<br />1-1/4"C,3#2,#8G0100/37 0 0
<br />-0-/38 0 0
<br />-0-/39 0 0
<br />TOTAL CONNECTED KVA BY PHASE 000
<br />CONN KVA CALC KVACALC KVA
<br />FUTURE DEMAND 1,650 1,650 TOTAL LOAD 1,650
<br />BALANCED 3-PHASE LOAD 1,980 A
<br />PANEL H1
<br />PANEL H2
<br />SPARE
<br />SPARE
<br />PANEL HA
<br />SPARE
<br />XFMR T3
<br />SPARE
<br />SPARE
<br />MSA 60,000 65,000 277V 60,000 0.004527 0.0009054 (8)#350kcmil 0.005 0.0076 0 0
<br />H1 35,130 50,000 277V 35,130 0.007234 0.003138 MSA 60,000 0.004527 0.0009054 (2)#400kcmil 0.02 0.0165 135' 0.0027 0.0022
<br />H2 25,318 35,000 277V 25,318 0.009911 0.004633 MSA 60,000 0.004527 0.0009054 (2)#500kcmil 0.0195 0.0135 276' 0.0054 0.0037
<br />HA 37,365 50,000 277V 37,365 0.006227 0.004022 MSA 60,000 0.004527 0.0009054 #3/0 0.042 0.077 40' 0.0017 0.0031
<br />T1 10,350 N/A 120V 10,350 0.01118 0.003076 HA 37,365 0.006227 0.004022 #1/0 0.044 0.12 15' 0.0007 0.0018 75 1.75 5 30,607 0.009884 0.001977
<br />LA 9,566 10,000 120V 9,566 0.01181 0.004232 T1 10,350 0.01118 0.003076 #3/0 0.042 0.077 15' 0.0006 0.0012
<br />LAA 8,736 10,000 120V 8,736 0.01235 0.006007 LA 9,566 0.01181 0.004232 #1 0.046 0.15 12' 0.0005 0.0018
<br />LAA1 7,966 10,000 120V 7,966 0.0129 0.007782 LAA 8,736 0.01235 0.006007 #1 0.046 0.15 12' 0.0005 0.0018
<br />T3 9,001 N/A 120V 9,001 0.01173 0.006342 MSA 60,000 0.004527 0.0009054 #2 0.045 0.19 118' 0.0053 0.0224 75 1.75 5 10,971 0.009884 0.001977
<br />HB 8,464 10,000 120V 8,464 0.0122 0.007215 T3 9,001 0.01173 0.006342 #3/0 0.042 0.077 11' 0.0005 0.0009
<br />8
<br />SERVICE ELEVATION DETAIL SCALE 2NONE
<br />FENCE FOR SCREENING TRANSFORMER DETAIL SCALE 3NONE
<br />NE
<br />W
<br />
<br />2
<br />0
<br />0
<br />0
<br />A
<br />
<br />S
<br />E
<br />R
<br />V
<br />I
<br />C
<br />E
<br />10
<br />0
<br />1
<br />
<br />S
<br />.
<br />
<br />G
<br />R
<br />A
<br />N
<br />D
<br />
<br />A
<br />V
<br />E
<br />SA
<br />N
<br />T
<br />A
<br />
<br />A
<br />N
<br />A
<br />,
<br />
<br />C
<br />A
<br />
<br />9
<br />2
<br />7
<br />0
<br />5
<br />ARCHITECT:
<br />CONSULTANTS:
<br />SEAL & SIGNATURE:
<br />ISSUED FOR:
<br />DESCRIPTION:DATE:
<br />KEY PLAN
<br />SHEET NAME:
<br />PROJECT NO.:
<br />DRAWN BY:
<br />CHECKED BY:
<br />SCALE:
<br />SHEET NO.:
<br />Copyright 120DEGREEZ 2019c
<br />NORTH
<br />San Diego | Los Angeles
<br />www.120degreez.com
<br />619.323.1515 | 310.364.5228
<br />Mechanical | Electrical | Plumbing
<br />MEP Project No.: 25−070
|