Replace_Powerhouse_Potential_and_Current_Transformer_Dwgs.pdf
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FOG
FOS
FOF
FOR
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FOV
VAC
S O
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A T
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A M
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N B
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C K
D B
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D E
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D B
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D E
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2 3
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4 5
A
B
M A
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A P
P R
D A
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F
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B M
IT
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D B
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P L
O T S
C A
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P L
O T D
A T
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D A
T E
M A
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D E
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C O
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R A
C T N
O
IDENTIFICATION
SHEET
D A
T E
A P
P R
®of Engineers
US Army Corps of Engineers
US Army Corps
DHW
DCW
VENT
ACID WASTE
SANITARY
ACID VENT
ACID
SAN
WF
WH
ACID
RDHW
WALL FAUCET
WALL HYDRANT
RECIRCULATING DOMESTIC HOT WATER
DOMESTIC HOT WATER
DOMESTIC COLD WATER
A-7A-5 A-6 A-7 A-8
A
C D
A
A-
B
A
A-
CLEAN OUT
FLOOR DRAIN
CO
D
CO
ST
ST
RL
RD
RS
CWS
CWR
CR
CHWS
CHWR
GCWS
THERMOSTATT
GCWR
C
FOR ADDITIONAL LEGEND
WALL CLEAN OUT
STORM DRAIN BELOW FLOOR
CONDENSER WATER SUPPLY
CONDENSER WATER RETURN
REFRIGERANT STRAINER
CHILLED WATER RETURN
CHILLED WATER SUPPLY
REFRIGERANT SUCTION
REFRIGERANT DISCHARGE (HOT GAS)
REFRIGERANT LIQUID
CHILLED-HOT WATER RETURN
GLYCOL CHILLED WATER RETURN
GLYCOL CHILLED WATER SUPPLY
CHILLED-HOT WATER SUPPLY
THERMOSTATIC EXPANSION VALVE
STORM DRAIN ABOVE FLOOR
SEE TEMPERATURE CONTROL DRAWINGS
SECTION NUMBER
SHEET NUMBER OF DWG.
OF ELEV. ON PLAN
DIRECTION OF SIGHT
ELEV. IS SHOWN
OF ELEV. ON PLAN
DIRECTION OF SIGHT
WHERE ELEV. IS SHOWN *
NOTE: LOCATION OF DWG. WHERE
WHERE SECTION IS SHOWN *
SHEET NUMBER OF DRAWING
WHERE SECTION IS CUT *
SHEET NUMBER OF DRAWING
DRAWING WHERE SECTION IS SHOWN
SECTION IS CUT WILL BE LISTED ONLY ON
ANY ADDITIONAL DRAWINGS WHERE
CUT AND DETAILED ON SAME DRAWING.
* SHEET NUMBERS OMITTED IF SECTION IS
S
N
OA
E
H
P
PB
HUMIDITY SENSOR
PRESSURE SENSOR
EMCS SENSOR
MANUAL OVER-RIDE SWITCH
NIGHT THERMOSTAT
TEMPERATURE SENSOR
AND HATCHED THUSLY.
3. EXISTING FACILITIES TO BE REMOVED ARE INDICATED BY USE OF THESE SYMBOLS
ON THIS SHEET.
SET OF DRAWINGS TO INDICATE SPECIFIC CONDITIONS IN LIEU OF SYMBOLS SHOWN
2. ADDITIONAL LEGENDS AND/OR ANOTHER LEGEND SHEET MAY APPEAR IN THIS
THE CONDITIONS ON THIS SET OF DRAWINGS TO THE EXTENT APPLICABLE.
1. THESE LEGENDS ARE COMPOSED OF STANDARD SYMBOLS AND ARE PERTINENT TO
20 x 12 RG
20 x 12 SG
700 CFM
20 x 12 GR
20 x 12 SR
700 CFM
700 CFM
20 O/
700 CFM
700 CFM
HPS
LPC
FW
PC
FEED WATER
PUMPED CONDENSATE
LPS
MPS
MPC
HTWS
HPC
LOW PRESSURE CONDENSATE
MEDIUM PRESSURE CONDENSATE
HIGH PRESSURE CONDENSATE
LOW PRESSURE STEAM
MEDIUM PRESSURE STEAM
HIGH PRESSURE STEAM
HIGH TEMPERATURE WATER SUPPLY
DOOR GRILLE
12 x 12
700 CFM
DG
12 x 6
20 x 12
R
BBD BOILER BLOW-DOWN
FUEL OIL GAGE LINE
GAS
FUEL OIL FILL
F & T TRAP
FUEL OIL RETURN
FUEL OIL SUPPLY
THERMODYNAMIC TRAP
FUEL OIL TANK VENT
HTWR
HWS
HWR
GHWS
GHWR
F FLOAT TRAP
THERMOSTATIC TRAP
BUCKET TRAP
A
F
FC
F
VACUUM
FIRE LINE
COMPRESSED AIR
FOAM CONCENTRATE
HIGH TEMPERATURE WATER RETURN
HOT WATER HEATING RETURN
HOT WATER HEATING SUPPLY
UNDERSLAB FIRE LINE
FOR AFFF SYSTEMS
GLYCOL HOT WATER HEATING RETURN
GLYCOL HOT WATER HEATING SUPPLY
ROADS
WALKS
CULVERT
77.2
77.2
SD
W
FW
S
FW
WD
OR OR
FM
SD
W
S
FW
FM
FW
WD
PIV
MW-2
MT
MW-1
MT
DH-2 DH-2
PIV
BUILDINGS
CURB & GUTTER
RAILROAD
CONTOURS
STORM DRAIN
DIRECTION OF DRAINAGE
SPOT GRADE ELEVATIONS
SUBDRAIN
FIRE WATER LINE
FORCE MAIN
SANITARY SEWER
WATER LINE
SUBDRAIN OUTLET LINE
OBSERVATION RISER
UTILITY LINE
WASTE DRAIN
SUBDRAIN FLUSHING &
AREA INLET
FIRE HYDRANT
POST INDICATOR VALVE
MONITORING WELL
CONTROL POINT
DRILL HOLE
CURB INLET
DEPENDING ON TYPE OF
OR SERVICE STOP & BOX
PROPERTY LINE MONUMENT
FIRE PROTECTION WATER LINE
MANHOLE SELF EXPLANATORY
GATE VALVE & VALVE BOX
MODSEC.
VD
OR
FD
AD
SD
AD
AD
AS INDICATED
WOOD
XX
X
EARTH
CONCRETE
XX
X
AS INDICATED
GRAVEL
BRICK
METAL
PLYWOOD
WOOD (FINISH)
WOOD (ROUGH)
AS INDICATED
CRUSHED ROCK
PLASTER
GLASS (ELEVATION)
BLANKET INSULATION
RIGID INSULATION
GYPSUM WALLBOARD
WOOD STUD PARTITION
CONCRETE MASONRY UNITS (PLAN)
CONCRETE MASONRY UNITS (SECTION)
GLASS (LARGE SCALE SECTION)
METAL STUD PARTITION
WOVEN WIRE
BARBED WIRE
CHAIN LINK SECURITY
SUPPLY GRILLE (SG)
FLOW DIRECTION
FLOW DIRECTION
DIRECTION OF FLOW
SPLITTER DAMPER
ACCESS PANEL (AP)
ACCESS DOOR (AD)
FLEXIBLE DUCT
TURNING VANES
SMOKE DAMPER
(TYPE AS SPECIFIED) INDICATE
SUPPLY OUTLET, CEILING, RECTANGULAR
(TYPE AS SPECIFIED) INDICATE
SUPPLY OUTLET, CEILING ROUND
CEILING (INDICATE TYPE)
EXHAUST OR RETURN AIR INLET
+ INTEGRAL VOL. CONTROL)
SUPPLY REGISTER (SR) (A GRILLE
GRILLE (NOTE AT FLR. OR CLG.)
RETURN (RG) OR EXHAUST (EG)
VENTILATOR-SUPPLY (SRV)
POWER OR GRAVITY ROOF
UNIT HEATER (VERTICAL)
POINT OF CHANGE IN DUCT CONSTRUCTION
VENTILATOR-EXHAUST (ERV)
POWER OR GRAVITY ROOF
UNIT HEATER (HORIZONTAL)
PARALLEL BLADE DAMPERS
FOR NET FREE AREA
2ND FIGURE, SIDE NOT SHOWN)
DUCT (1ST FIGURE, SIDE SHOWN
FLAT ON TOP OR F.O.B. FLAT
TRANSITIONS: GIVE SIZES. NOTE F.O.T.
IN DIRECTION OF AIR FLOW
INCLINED RISE (R) OR DROP (D) ARROW
DUCT SECTION (EXHAUST OR RETURN)
DUCT SECTION (SUPPLY)
ACOUSTICAL LINING DUCT DIMENSIONS
(BY STATIC PRESSURE CLASS)
OPPOSED BLADE DAMPERS
AUTOMATIC DAMPERS MOTOR OPERATED
VOLUME DAMPER MANUAL OPERATION
& RETURN (NO SPLITTER)
STANDARD BRANCH FOR SUPPLY
FLEXIBLE CONNECTION
ON BOTTOM IF APPLICABLE
PLUMBING
REFRIGERATION
TEMPERATURE CONTROLS
STANDARD NORTH ARROWS
SECTION IDENTIFICATION
ELEVATION IDENTIFICATION
ARCHITECTURAL SYMBOLS
GENERAL NOTES:
DUCTWORK
MECHANICAL LEGEND
HEATING
MISCELLANEOUS PIPING
NEWEXISTING
CIVIL LEGEND
NEWEXISTING
ARCHITECTURAL LEGEND
FENCES
T
GLOBE VALVE
W/TAMPER SWITCH
NEEDLE VALVE
STRAINER
HOSE GATE VALVE
GATE VALVE
M
S
SOLENOID VALVE
RELIEF VALVE
PA
FLOAT VALVE
BALL VALVE
BUTTERFLY VALVE
ANCHOR
WAFER CHECK VALVE
O, S, & Y GATE VALVE
PRESSURE REDUCING VALVE
MOTOR OPERATED VALVE
AUTOMATIC BALANCING VALVE AS INDICATED
CALIBRATED BRONZE BALANCING VALVE OR
PLUG VALVE OR BALANCING COCK
TEMPERATURE REGULATING VALVE
CAP
ELBOW UP
TEE UP
TEE DOWN
ELBOW DOWN
UNION
BLIND FLANGE
FLANGE
EXPANSION JOINT, BELLOWS
EXPANSION JOINT, SLIDING
PIPE INCREASER OR DECREASER
VALVES & FITTINGS
COND CONDENSATE DRAIN LINE
OR SENSOR (AS INDICATED)
OUTDOOR AIR THERMOSTAT
V
FCO FLOOR CLEAN OUT
FIRE DAMPER:
SHOW VERTICAL POS.
SHOW HORIZ. POS.
101 ROOM NUMBER
DOOR NUMBERS
COLUMN LINES NUMBER-LETTER (OPPOSITE DIR.)
MATCH LINE
WINDOW TYPES
CENTER LINE
X DIRECTION OF SIGHT OF PHOTOGRAPH
WALL AND PARTITION TYPES
A
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L .B .C
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C K
D B
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2 3
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4 5
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C T N
O
IDENTIFICATION
SHEET
D A
T E
A P
P R
®of Engineers
US Army Corps
POLE, NO., LENGTH, AND CLASS AS INDICATED
CLASS 7 SOIL) "MT" INDICATES TWIN EYE ANCHOR ROD
(ANCHOR STRENGTH IS BASED ON HOLDING POWER IN
DOWN GUY AND ANCHOR. STRENGTH IN LBS. INDICATED
OVERHEAD COMMUNICATIONS LINE
EXTERIOR ELECTRICAL LEGEND
EXIST NEW
LUMINAIRES AND APPROX. HORIZ. AIMING
INSTALLATION. ARROWS INDICATE NO. OF
POLE MOUNTED FLOODLIGHTING
CONDUCTOR AND LINE VOLTAGE AS INDICATED.
SERVICE DROP NO., SIZE AND TYPE OF
OVERHEAD POWERLINE-SECONDARY OR
VOLTAGE AS INDICATED
NO., SIZE, AND TYPE OF CONDUCTORS AND LINE
OVERHEAD POWERLINE-PRIMARY DISTRIBUTION.
SIZE AND TYPE OF WIRE AS INDICATED.
LIGHTING CIRCUIT RESPECTIVELY. NO.,
SERIES STREET LIGHT AND AIRFIELD
OR PER CROSS SECTION DETAIL
LINE). NO., SIZE AND VOLTAGE OF CABLE AS INDICATED
ELECTRICAL POWER LINE, "C" A COMMUNICATIONS TYPE
MIN. IF NOT IDENTIFIED). LETTER "P" INDICATES
SPECS). NUMERAL INDICATES QUANTITY OF DUCTS (4"
UNDERGROUND DUCT LINE, CONCRETE ENCASED (SEE
ANSI (C84.1) VOLTAGE CONFIGURATION AS INDICATED.
CONCRETE PAD MOUNTED TRANSFORMER INSTALLATION
NUMBER, SIZE, AND TYPE OF CABLE AS INDICATED
VOLTAGE), "C" A COMMUNICATIONS TYPE LINE.
CABLES ARE USED), "S" SECONDARY POWER (LOW
PRIMARY POWER (#8 MIN. IF SINGLE-CONDUCTOR
DIRECT BURIED LINE. THE LETTER "P" DESIGNATES
AND RACEWAY AS DESCRIBED ( * ) OR DETAILED
CONFIGURATIONS. NO. AND SIZE OF CONDUCTORS
UNDERGROUND DISTRIBUTION-MISC.
NO., AND TYPE AS INDICATED
PULLBOX, HANDHOLE OR MANHOLE.
VAULT (POWER OR CONTROLS)
UNDERGROUND ELECTRICAL EQUIPMENT
CABINET OR EQUIPMENT ASSEMBLY
ELECTRICAL EQUIPMENT IN PAD MOUNTED
NUMERAL IF PRESENT DESIGNATES KVA RATING
CONFIGURATION AS INDICATED, SINGLE
FENCED APPLICATONS. ANSI VOLTAGE
INDIVIDUAL TRANSFORMER FOR OVERHEAD OR
PHOTOELECTRIC CONTROL RELAY
AERIAL AUTOMATIC RECLOSER.
AERIAL AUTO SECTIONALIZER
(COUNTERPOISE) (BARE COPPER) SIZE AS INDICATED
GROUNDING SYSTEM. ELECTRODE AND CONDUCTOR
LIMITS OF CONDUIT CASING OR SLEEVE
CAPPED CONDUIT
DRAWOUT FUSE ASSEMBLY
RESPECTIVELY, SIZE AS INDICATED
FUSE-POWER AND CONTROL APPLICATIONS
BUS NUMBER FOR ANALYSIS AND REFERENCE ONLY
VOLTAGE RATING AND SIZE AS INDICATED
FUSED CUTOUT OR FUSED SWITCH ASSEMBLY.
FRAME SIZE WITH ADJUSTABLE TRIP SETTINGS.
MOLDED CASE CIRCUIT BREAKER OF A GIVEN
THREE POLE UNLESS DESIGNATED '1P' OR '2P'.
MOLDED CASE CIRCUIT BREAKER, FIXED TRIP.
MOLDED CASE CB TYPE). SIZE AS INDICATED.
INDICATES INSULATED CASE, "MC" INDICATES
("LVP" INDICATES LOW VOLTAGE POWER CB, "IC"
DRAWOUT TYPE CIRCUIT BREAKER ASSEMBLY
RATING AND CLASS AS INDICATED
SURGE ARRESTOR - VOLTAGE
- NUMBER DENOTES KVAR RATING
POWER FACTOR CORRECTION CAPACITOR
STEEL (#6 MIN. CONDUCTOR IF NOT SHOWN)
TYPE ELECTRODE, TO NEAREST STRUCTURAL
GROUND CONNECTION - TO STANDARD ROD
BETWEEN BREAKERS, RELAY/CONTACTOR, ETC.)
BETWEEN 2 OR MORE DEVICES (KEY INTERLOCK
CONTROL INTERFACE OR OPERATING RELATIONSHIP
IDENTIFIED). AMPACITY AS INDICATED
ASSEMBLIES (HIGH OR MEDIUM VOLTAGE). (CU BUS IF NOT
FEEDER TYPE BUS DUCT (FB) OR METAL-ENCLOSED BUS
LOADBREAK AND NON-LOADBREAK STYLES RESPECTIVELY
(ELBOW TERMINATOR AND BUSHING COMBINATION)-
SEPARABLE CONNECTOR IN PRIMARY DISTRIBUTION LINE
KILOWATT-HOUR METER (WH IS WATT-HOUR METER)
PARENTHESIS INDICATES QUANTITY OF CT'S
OF METERING/ACCESSORY CIRCUIT. NUMERAL IN
TRANSFORMATION RATIO IDENTIFIES NOMINAL CURRENT
CURRENT TRANSFORMER (CT). SECOND NUMERAL OF
INDICATED
AND NON-DRAWOUT. QUANTITY AND VOLTAGE RATING AS
VOLTAGE (POTENTIAL) TRANSFORMER (VT/PT), DRAWOUT
INDICATED.
VOLTAGE, CONNECTIONS, COOLING CLASS AND TYPE AS
POWER & DISTRIBUTION TRANSFORMER, RATED kVA, USED BY A TRANSFORMER SYMBOL.
TRANSFORMER DELTA CONNECTION DESIGNATION WHEN
IT IS AN UNGROUNDED OR FLOATING WYE CONNECTION.
RESPECTIVELY. IF THE GROUND SYMBOL IS MISSING, THEN
DIRECT GROUNDED AND RESISTOR GROUNDED
DESIGNATION WHEN USED BY A TRANSFORMER SYMBOL,
TRANSFORMER GROUNDED-WYE CONNECTION
AMMETER AND VOLTMETER WITH PHASE SELECTOR SWITCH
INTERLOCKING CONTROL AS INDICATED
WITH TRIP SETTING AT DESIGNATED TIME DELAY
GROUND FAULT INTERRUPTING EQUIPMENT (SEE SPECS)
FUNCTION PER ANSI/IEEE C37.2
ELECTROMECHANICAL); NUMERAL IDENTIFIES TYPE OR
SENSOR, DEVICE OR APPARATUS (ELECTRICAL OR
EXISTING AND NEW, RESPECTIVELY
CORRESPONDING SWITCH
THEN 2' X 2' IN SIZE - LETTER IDENTIFIES
INCANDESCENT OR H.I.D. LUMINAIRE LESS
OMITTED IN CONTINUOUS ROW CONFIGURATIONS)
SIZE (THE OUTLET SYMBOL WILL NORMALLY BE
FLUORESCENT OR HID LUMINAIRE 2' x 2' OR LARGER IN
OF EGRESS
CEILING EXIT LIGHT. ARROWS IDENTIFY DIRECTION
VOLTAGE RATINGS AS INDICATED
LIGHTING CONTACTOR - NO. OF POLES, CURRENT AND
RATINGS AND PHYSICAL SIZE AS INDICATED
BATTERY INVERTER SET (OR FORWARD TRANSFER UPS),
EMERGENCY POWER SYSTEM FOR EGRESS LIGHTING -
LUMINAIRE HEADS AS INDICATED
BATTERY OPERATED EMERGENCY LIGHT SET, NO. OF
WITH THE 'E' ANNOTATION
2-LAMP FIXTURE WILL BE SHOWN SHADED OR UNSHADED
SUPPLIED FROM EMERGENCY POWER. A 1-LAMP OR
INDICATES 2 LAMPS OF A 3 OR 4 LAMP FIXTURE ARE
THE SHADED PORTION OF THE FLUORESCENT SYMBOL
FIXTURE, RESP. SUPPLIED FROM AN EMERGENCY CIRCUIT.
FEEDER, DEVICE OR FIXTURE, AND FLUORESCENT TYPE
CEILING AND WALL MOUNT TYPES INDICATED.
JUNCTION BOX, 4" SQUARE UNLESS NOTED OTHERWISE.
DIMMING CONTROL FOR LIGHTING
OVERLOADS (MOTOR RATED SWITCH)
MANUAL STARTER WITH THERMAL
DOUBLE POLE SINGLE THROW SWITCH
SINGLE POLE SWITCH
THREE WAY SWITCH
FOUR WAY SWITCH
SINGLE POLE SWITCH WITH PILOT LIGHT
TIMER OPERATED SWITCH
KEY OPERATED SWITCH
MOMENTARY CONTACT SWITCH
8.
OUTLETS, NEMA 5-XX SERIES. DEFAULT SIZE IS 15A. SEE NOTE
CLOCKOUTLET, FO= FAN OUTLET, IG= ISOLATED GROUND TYPE
DUPLEX & SIMPLEX "SW" INDICATES SPLIT WIRED, CO=
2P,3W GROUNDING TYPE RECEPTACLE - 125V, CONVENTIONAL
FIXTURES
SWITCHED
IDENTIFY
WHERE USED,
C, ETC.
LETTERS A, B,
4'-0" UP
APPLICATIONS) UNLESS NOTED OTHERWISE
PLANS) IN SURFACE MOUNTED RACEWAY. WALL MOUNTED AT
RECEPTACLES SPACED AT INTERVAL INDICATED (SEE FLOOR
RECEPTACLE STRIP ASSEMBLY - DUPLEX NEMA 5-15
OTHERWISE.
BOTTOM OF THE OUTLET BOX, UNLESS INDICATED
BE MOUNTED 15 - INCHES A.F.F. AS MEASURED TO THE
8. ALL RECEPTACLE AND COMMUNICATION OUTLETS SHALL
ABBREVIATIONS SHEET FOR DEFINITIONS.
INDICATE SPECIAL CONSTRUCTION IS REQUIRED. SEE
7. LETTERS SUCH AS "WP", "EP" ADJACENT TO ANY SYMBOL
CONDUCTORS UNLESS INDICATED OTHERWISE.
6. SIZES OF WIRE AND CABLE ARE BASED ON COPPER
FIXTURE PER FIXTURE SCHEDULE.
ADJACENT TO SYMBOL INDICATES FIXTURE TYPE FOR EACH
(B) CAPITAL LETTER OR FIXTURE DESIGNATION INSIDE OR
WHEN ADJACENT TO THE FIXTURE SYMBOL.
NAME OR NUMBER DESIGNATION OR FOR SINGLE FIXTURE
FOR ENTIRE ROOM OR AREA WHEN ADJACENT TO THE ROOM
(A) INDICATES FIXTURE TYPE, PER FIXTURE SCHEDULE,
BOTH OF THE FOLLOWING METHODS:
5. ELECTRIC LIGHT FIXTURES ARE IDENTIFIED BY EITHER OR
(FILLED-IN) SYMBOL.
OPEN SYMBOL; NEW ITEMS WITH A THICK LINE OR CLOSED
4. EXISTING ITEMS ARE DESIGNATED BY A THIN LINE OR AN
3. NOT USED.
SHEET.
SPECIFIC CONDITIONS IN LIEU OF SYMBOLS SHOWN ON THIS
ITEMS NOT COVERED BY THIS SHEET OR TO INDICATE
THIS SET OF DRAWINGS TO ESTABLISH SYMBOLS FOR
2. SUPPLEMENTAL ELECTRICAL LEGENDS MAY APPEAR IN
PREFERRED FORM IS SHOWN FIRST.
1. WHERE MORE THAN ONE SYMBOL FORMAT IS SHOWN, THE
K
234B1
NOTED
ELECTRIC WATER COOLER (DRINKING WATER DISPENSER) SIZE AS
RECESSED (FLUSH MOUNTED) TYPE, SEE SPECS
MOUNTED TYPE (ABOVE FLOOR SERVICE FITTING), 'R' DENOTES
INDIVIDUAL FLOOR OUTLET ASSEMBLY.'SM' DENOTES SURFACE
TO EXTEND ABOVE SUSPENDED CEILING. SEE NOTE 8.
RELOCATIBLE SERVICE POST ASSEMBLY - LENGTH AS REQUIRED
TELEPHONE, P= PUBLIC TELEPHONE, SEE NOTE 8.
THE DEVICE INDICATE IT IS FLOOR MOUNTED. HL=HOTLINE
WITHOUT LEG(S) REQUIRES DUPLEX JACKS. A SQUARE AROUND
CONFIGURATIONS (8 PIN JACKS). SEE SPECS. SYMBOL SYMBOL
TELEPHONE OUTLET, SINGLE AND DUPLEX JACK
DIMENSIONS AS INDICATED (W X D)
CABLE TRAY FOR COMMUNICATIONS AND DATA PROCESSING,
TELEPHONE TERMINAL CABINET, SIZE AS INDICATED
TELEPHONE TERMINAL BOARD (PLYWOOD BACKBOARD);
FEEDER DUCT (NO INSERTS).
IDENTIFY NOMINAL WIDTH; UFD IDENTIFIES A SECTION OF
DENOTES COMMUNICATIONS DUCT W/BUSHED FITTING; FIGURES
POWER DUCT WITH DUPLEX RECEPTACLES (NEMA 5-15), 'C'
SOLID DENOTES A DEVICE INSTALLATION; 'P' INDICATES A
(SEE SPECS.). OPEN CIRCLE DENOTES BLANK INSERT LOCATION,
MULTIOUTLET CONFIGURATION IN UNDERFLOOR DUCT SYSTEM
- PART WINDING TYPE.
REDUCED VOLTAGE TYPE, 'AT' - AUTO TRANSFORMER TYPE, 'PW"
FULL VOLTAGE TYPE (DEFAULT IF NOT INDICATED), 'RV' -
INDICATES: 'R' - REVERSING TYPE, '2S' - TWO SPEED TYPE, 'FV'-
NUMERAL DESIGNATES NEMA SIZE; LOWER LETTER, IF USED,
MOTOR CONTROLLER - MAGNETIC OR AS INDICATED, UPPER
MOTOR - USE AND SIZE AS INDICATED
COMBINATION STARTER W/EXTERNALLY OPERATED DISCONNECT
240V, 30A MIN)
DISCONNECT SWITCH, SIZE AND TYPE AS INDICATED (OR 3P,
EMERGENCY POWER OFF.
PUSHBUTTON CONTROL STATION - 1, 2, OR 3 BUTTONS "EPO" =
'MAN-OFF-AUTO' (OR 'H.O.A.)
LEGEND PLATE DESIGNATIONS WILL BE 'ON-OFF' AND
3 POSITION AS INDICATED. IF NOT SPECIFIED ELSEWHERE,
SELECTOR SWITCH (SEPARATE FROM STARTER)- 2 POSITION OR
THERMOSTAT - SEE MECH. SPECS, 5'-0" UP
SCHEDULE FOR SIZES, RATINGS, AND LOADS
(MIN) VERTICAL SECTIONS INDICATED. SEE DIAGRAM AND/OR
MOTOR CONTROL CENTER, FREE STANDING W/NO. OF 20" WIDE
SCHEDULE. OPEN SYMBOL INDICATES EXISTING
AND SURFACE MOUNTED TYPES, SEE CORRESPONDING PANEL
LIGHTING AND APPLIANCE TYPE PANELBOARD - FLUSH MOUNTED
DISTRIBUTION TYPE PANEL
DIMENSIONS, CLEARANCES, AND ELECTRICAL RATINGS
SPELLED OUT), SEE FLOOR PLANS AND DIAGRAMS FOR
MAIN SWITCH BOARD OR MAIN SWITCH GEAR (ABBREVIATED OR
DEVICE.
(FIGURES INDICATE RATING OF RECEPT AND OVERCURRENT
RECEPT. SYMBOL IDENTIFIES A BOX WITH RECEPTACLE ATTACHED
CIRCLE A PLUG IN BOX WITH BREAKER OR SWITCH (SEE SPECS),
REPRESENTS A POSITION WITH BLANK COVER ONLY, SOLID
INTERVALS, CURRENT RATING AS INDICATED. OPEN CIRCLE
BUS DUCT ASSEMBLY WITH PLUG-IN POWER BOX CAPABILITY AT 2'
EQUIPMENT GROUND RESPECTIVELY (AS APPLICABLE).
CONDUCTOR, NEUTRAL, EQUIPMENT GROUND, AND ISOLATED
DOT AND DOUBLE DOT HASH MARKS REPRESENT PHASE
BRANCH CIRCUIT AND FEEDER WIRING. LONG, SHORT, SINGLE
THE CIRCUIT IS TWO-WIRE (MIN #12 IN 1/2"C).
SEGMENTS. A CIRCUIT WITHOUT ANY DESIGNATION INDICATES
UNDERSTOOD TO APPLY TO ALL UNMARKED INTERVENING
SEGMENTS, AND END-OF-LINE DEVICES, REQUIRED QUANITY IS
IF HASH MARKS ARE OMITTED BETWEEN HOME-RUNS, TRANSITION
ARROWS AND LETTER/NUMERALS IDENTIFY HOME-RUN CIRCUITS.
CONDUIT ONLY - NO CONDUCTORS, PULL WIRE IF OVER 50'
LIGHT LINE - EXISTING, OR BY OTHER TRADES
COATED R.S. CONDUIT UNLESS INDICATED OTHERWISE
COMM OR POWER FEEDER INSTALLED UNDER FLOOR SLAB IN
HEAVY LINE - NEW ELECTRICAL WORK
MATCH LINES, ETC.)
(TO LIGHTING SHEET FROM POWER OR COMM DWG., ACROSS
FUTURE WORK OR ELECTRICAL ITEM REPEATED FOR CLARITY
(NEW LOCATION)
EXISTING EQUIPMENT; EXISTING EQUIPMENT AS RELOCATED
GENERATOR OR GENERATOR CONNECTION.
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INTERIOR ELECTRICAL LEGEND
FIRE ALARM CONTROL PANEL, (SEE SPECS)
SPECS
W/OR W/O GRAPHIC REPRESENTATION, SEE
FIRE ALARM ANNUNCIATION PROVISIONS,
ANTENNA FOR FM RADIO TYPE), SEE SPECS
FIRE ALARM SIGNAL TRANSMITTING (WITH
MANUAL FIRE ALARM STATION - 4'-0" A.F.F.
"CO"=CARBON DIOXIDE
ABORT STATION. "F"= FIRE; "H"=HALON;
TUBULAR SENSING ELEMENT REQUIRED
RATE ("RATE ANTICIPATION") TYPE WITH
SEE SPECS; 'CR' INDICATES COMPENSATED
COMBINATION F.T. AND RATE OF RISE TYPE,
SYMBOL INDICATES FIXED TEMPERATURE OR
HEAT DETECTOR - UNDIFFERENTIATED
LOCATION IS NOT OTHERWISE INDICATED.
INSTALLED IN THE SUPPLY DUCT IF THE
DUCTS, A SINGLE DETECTOR WOULD BE
LOCATIONS ARE IN SUPPLY AND RETURN
DUCT DETECTORS ARE SHOWN IN PAIRS,
DUCT TYPE SMOKE DETECTOR. WHERE
PHOTOELECTRIC TYPE. 'D' STIPULATES A
PRESENT, STIPULATES IONIZATION OR
SMOKE DETECTOR. THE LETTER 'I' OR 'P', IF
SWITCH, SEE MECH. SPECS
VALVES, WATER FLOW INDICATOR AND FLOW
Y) VALVE, TAMPER SWITCH, ALARM CHECK
FIRE ALARM CONTACTS AT SOLENOID (OS &
24-INCH LIGHTNING AIR TERMINAL.
60-INCH LIGHTNING AIR TERMINAL.
LIGHTNING PROTECTION MAIN CONDUCTOR
NOTES:
ELECTRICAL POWER DIAGRAM LEGEND
#2
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WALL EXIT LIGHT - MOUNTING HEIGHT INDICATED
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INSTALLATION, WATTS AS INDICATED, ROMAN
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- FLASHING LIGHT, CEILING MOUNTED AND
FIRE ALARM WARNING DEVICE, VISIBLE ONLY
HORN AND MASS NOTIFICATION, 6'-8" A.F.F.
FIRE ALARM WARNING DEVICE - BELL, CHIME,
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IDENTIFICATION
SHEET
D A
T E
A P
P R
®of Engineers
US Army Corps
N
B B .d
O
D P
O
S L
O
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A
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L
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L
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A
S P
A C
E
L T
G
H
Y
DAX
AR
AR
AR
TD
TD
DCX
DCXDCX
1 2
DCX
(1PG)
STA. SERV. TRANSFS
1500 KVA,13,800/480V,LRC
(2 PL) LIGHTING BOARD (EL.1363,UNIT BAY 4) (3 PL) LIGHTING BOARD (EL.1363,UNIT BAY 7)
Air circuit breaker, drawout type, with dual magnetic trip
Air circuit breaker, electrically operated
Combination starter
Air circuit breaker with thermal and instantaneous trip non-automatic
Air circuit breaker, circuit interrupter type, interlocked, Starter with 120V. coil and control transformer
Starter with 120 V coil
Pushbutton station
Ammeter
Voltmeter
Wattmeter
Watthourmeter
64x - Aux. relay
Overvoltage ground relay, Alternator
Ammeter switch
Motor or heater controller
Control switch
Transf. cool water low flow alarm
Cooling water valve
Liquid level control
Sequence switch
Pressure switch
Selector switch
Thermostat
Thermal relay
Transfer switch
Voltmeter switch
Humidistat
Time Clock
Flow Switch
A
AS
C
CS
F
G
P
S
T
TS
VS
H
TM
FS
A
V
W
WH
WV
TA
TR
Marine Storage &
Comfort Station
480V MAIN STA. SERV. BD.
64X
TA AS
V
BUS #2
T r a n s f
E T
1C
A
T
R15
R20
25 KVA, 30
480-120
UPS
75 KVA, 30
480-120
INVERTER
15KVA
480/120
AIR HANDLING UNIT
(OMIT FOR UNIT 1)
T R
A N
S F
PUMP BD. - TYP.
TRANSF. BK.1 OIL
(1PT)
A
A
A
USED STILL IN PLACE
SPARES, EQUIPMENT NOT
USED
NOT
D
IE
S
F
A N
R33R31R30R29R14
A G
R
IN
D
T
E A
T
R M
C O
N T
R
A N
S
A
V
N D
IT
IO
N
IT
A
G R
IN
D
M
W A
E A
T M
E
O M
M
IL
L
C H
IN
E
P O
W
T H
E
C O
M F
R M
T R
A N
S F
U N x
M P
T t e
F
O
E S
E
W A
T
A T
E R
K
W
2. REMOVE AND REPLACE POTENTIAL TRANSFORMERS
1. REMOVE AND REPLACE CURRENT TRANSFORMERS
KEYED NOTES
R E
P L
A C
E P
O W
E R
H O
U S
E P
O T
E N
T
IA
L
A N
D C
U R
R E
N T T
R A
N S
F O
R M
E R
S
M A
IN
S T
E M D
A M
S
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
O M
A H
A
N E
B R
A S
K A
OMAHA DISTRICT
O M
A H
A D
IS
T R
IC
T
3-2000-5 3-2000-5
W F -1
-T -0
L
IC
IT
A T
IO
N N
O
F
IL
E N
A M
E
D W
N B
Y
C K
D B
Y
D E
S
IG
N E
D B
Y
D E
S C
R
IP
T
IO
N
D
2 3
C
4 5
A
B
M A
R K
A P
P R
D A
T E
F
IL
E N
U M
B E
R
S
IZ
E
S U
B M
IT
T E
D B
Y
P L
O T S
C A
L E
P L
O T D
A T
E
D A
T E
M A
R K
D E
S C
R
IP
T
IO
N
C O
N T
R A
C T N
O
IDENTIFICATION
SHEET
D A
T E
A P
P R
®of Engineers
US Army Corps
N
B B .d
O
D P
O
S L
O
T H
R E
E L
IN
E D
IA
G R
A M
BB105
/2
/2
2. REMOVE AND REPLACE POTENTIAL TRANSFORMERS
1. REMOVE AND REPLACE CURRENT TRANSFORMERS
KEYED NOTES
R E
P L
A C
E P
O W
E R
H O
U S
E P
O T
E N
T
IA
L
A N
D C
U R
R E
N T T
R A
N S
F O
R M
E R
S
M A
IN
S T
E M D
A M
S
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
O M
A H
A
N E
B R
A S
K A
OMAHA DISTRICT
O M
A H
A D
IS
T R
IC
T W
F -1
-T -0
B
IG
B
E N
D S
T A
T
IO
N S
E R
V
IC
E
436 536
VCB
750 KVA
Spillway & Maintenance
3000-5A
250 MVA
1200A
A
B
C
75-5A
1SS3
LIGHTNING ARRESTER
250 MVA
1200A
250 MVA
1200A
300-5A
250 MVA
1200A
TL1
TL2
TL3
1TD0
CA
CB
CC
CG
1SC1
1SC2
1SC3
1SC0
CA
CB
CC
CG
75-5A
TO 480V MAIN STATION SERVICE
CA
CB
CC
CG
SC1
SC2
SC3
SC0
2SS3
3TR5
300-5A
250 MVA
1200A
EC1
EC2
EC3
EC0
CA
CB
CC
CG
3SS3
250 MVA
1200A
A
B
C
A
C
B
CA
CB
CC
CG
2SC1
2SC2
2SC3
2SC0
1SS4
1200-5A
B
A
C
C
A
B
14,400-120V
4SS4
E V
O
E V
E V
E V
VA VB VC VG
6A
A
B
C
NORTH END OF
POWER HOUSE "H" FRAME
13.8KV OVERHEAD
FUSE CUTOUTS
200 AMP
13.8KV EMERGENCY FEEDER
FROM FT. THOMPSON WAPA SUB STATION
To: Pnl.4RB,R9
To: Pnl.4RB,L8 To: Pnl.7IB,L8
Cont. On MB-OPN83E391
CA
CB
CC
CG
TL1
TL2
TL3
1TD0
2TR5
To: Pnl.7IB,L8
To: VCB 436 Cub.
300-5A
EC1
EC2
EC3
EC0
CA
CB
CC
CG
4SS3 To: Pnl.7IB,L9
CA
CB
CC
CG
2SC1
2SC2
2SC3
2SC0
2SS4
1200-5A
To: Pnl.10RB, R9
To: Pnl.10RB, L8
To: Pnl.10RB, L9
S.S.TRANSF. #2
13.8KV-480V LTC
1.5 MVA
TO 480V MAIN STATION SERVICE
S.S.TRANSF. #1
13.8KV-480V LTC
1.5 MVA
BREAKER NO. SS1 BREAKER NO. SS2
VCBVCBVCBVCBVCB
Cont. On MB-OPN83E393
OM WATER PLANT, RADIO TOWER
TO SPILLWAY TRANSFORMER, OM BUILDING,
13.8KV-13.8KV
Pnl.4RB,L9
M B
O P
N
E
C o n t
G
M B
O P
N
E
C o n t
G
M B
O P
N
E
A
C o n t
G
M B
O P
N
E
A
C o n t
G
M B
O P
N
E
A
C o n t
G
M B
O P
N
E
A
C o n t
G
M B
O P
N
E
A
C o n t
G
M B
O P
N
E
A
C o n t
GMB-OPN83E396A
Cont.on DWG
A
C
B
A
C
B
A
C
B
A
C
B
MB-OPN83E1403 & 1404
Cont.on DWG
B
A
C
C
A
B
14,400-120V
5SS6
M V
O
M V
M V
M V
VA VB VC VG
6A
To: Pnl.7IB,R8
MB-OPN83E396A
Cont.on DWG
MC1
MC2
MC3
CA
CB
CC
CG
50-5A
A
5SS4
MC0
M B
O P
N
E
C o n t
G
MC1
MC2
MC3
MC0
CA
CB
CC
CG
5SS4
50-5A
To: Pnl.7IB,R9
M B
O P
N
E
C o n t
CONTRACTOR SHALL ADJUST THE SCALES ACCORDINGLY
IF ANY OTHER SIZE DRAWINGS ARE FURNIS OR PLOTTED THE
OF 28" X 40" OR METRIC DRAWING SIZE OF 841mm X 594mm.
ALL SCALES SHOWN ARE BASED ON A STANDARD DRAWING SIZE
FOR INFORMATION ONLY
verified by contractor.
Existing conditions shall be
S O
L
IC
IT
A T
IO
N N
O
F
IL
E N
A M
E
D W
N B
Y
C K
D B
Y
D E
S
IG
N E
D B
Y
D E
S C
R
IP
T
IO
N
D
2 3
C
4 5
A
B
M A
R K
A P
P R
D A
T E
F
IL
E N
U M
B E
R
S
IZ
E
S U
B M
IT
T E
D B
Y
P L
O T S
C A
L E
P L
O T D
A T
E
D A
T E
M A
R K
D E
S C
R
IP
T
IO
N
C O
N T
R A
C T N
O
IDENTIFICATION
SHEET
D A
T E
A P
P R
®of Engineers
US Army Corps
N F
R .d
O
D P
O
S L
O
FR102
F O
R T R
A N
D A
L L
/2
/2
U N
IT
G
E N
E R
A T
O R B
R E
A K
E R
S E
C T
IO
N V
IE
W
49 1/4
2500/5A C.T.
C200/0.3B1.8
A
C
B
22 1/8
C
A
MAIN BUS
TRAVEL
13.8KV 3000A.
1500MVA VAC BKR
A,B,C
1 3/4
BOOTS(TYP.)
110.0
A,B,C
EXISTING
INSULATOR MOUNTING
BRACKET BOLTED TO
INTERMEDIATE SIDE
FRONT
REAR
SECTION VIEW
3000A.
EXISTING
BARRIER
BARRIER
EXISTING
CONCRETE PAD BARRIERS
3000A.BUS(NEW)
EPOXY INSULATED
4BARS -1/4 X 5.0 CU.
A
B,C
STAND OFF
BUSHING
INSULATOR-
EPOXY INSULATED
4BARS -1/4 X 5 CU.
3000A.BUS(NEW)
-EPOXY
SCREEN & FILTER
LOUVRES C/W
10.0
(2/ )
2500/5A C.T.
C200/0.3B1.8
7(a)
7(a)
C O
N
S I T I O
N
TO EXISTING
GRD.BUS
P O
S
T E
S T
D I S
C
55.00
1/4 X 3
GRD.BUS
GLASTIC
BARRIER
METAL
EXISTING BUS
18 1/16
EXISTING
VOLTAGE REGULATORS
WALL
1 3/4
11.0
12 6
T.B.
AT SITE AS PER STD.
TO BE TAPED
GLASTIC
BARRIER
BARRIER
WALL
BUSHING
LINE/LOAD
GLASTIC
BARRIER
GLASTIC
BARRIER(2)
BARRIER(2)
GLASTIC
A,B,C
CABLE CONN. TO
QA INSTRUCTIONS
#I-09.1
18 3/4
1/4"DIA. X 3/4" STUDS
TO BE WELDED TO THE
EXISTING WALL ON SITE.
80.00
EXISTING
WALL
CONCRETE PAD
BREAKER FLOOR
USING PORTABLE LIFTER
TO WITHDRAW BREAKER
70" MIN.FRONT CLEARANCE
SUPPORT
FRONT
106.0"
WALL
EXISTING
o o o o o o o o o o o o
(1/ )
3000/5A (1/ )
3000A BKR & CONNECTIONS
R E
P L
A C
E P
O W
E R
H O
U S
E P
O T
E N
T
IA
L
A N
D C
U R
R E
N T T
R A
N S
F O
R M
E R
S
M A
IN
S T
E M D
A M
S
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
O M
A H
A
N E
B R
A S
K A
OMAHA DISTRICT
O M
A H
A D
IS
T R
IC
T W
F -1
-T -0
CONTRACTOR SHALL ADJUST THE SCALES ACCORDINGLY
IF ANY OTHER SIZE DRAWINGS ARE FURNIS OR PLOTTED THE
OF 28" X 40" OR METRIC DRAWING SIZE OF 841mm X 594mm.
ALL SCALES SHOWN ARE BASED ON A STANDARD DRAWING SIZE
FOR INFORMATION ONLY
verified by contractor.
Existing conditions shall be
S O
L
IC
IT
A T
IO
N N
O
F
IL
E N
A M
E
D W
N B
Y
C K
D B
Y
D E
S
IG
N E
D B
Y
D E
S C
R
IP
T
IO
N
D
2 3
C
4 5
A
B
M A
R K
A P
P R
D A
T E
F
IL
E N
U M
B E
R
S
IZ
E
S U
B M
IT
T E
D B
Y
P L
O T S
C A
L E
P L
O T D
A T
E
D A
T E
M A
R K
D E
S C
R
IP
T
IO
N
C O
N T
R A
C T N
O
IDENTIFICATION
SHEET
D A
T E
A P
P R
®of Engineers
US Army Corps of Engineers
US Army Corps
SM/LS CONTACTS (1-2)(3-4) OPEN WHEN SPRINGS ARE FULLY
SPRING RELEASE COIL OPERATES LATCH WHICH
TRIP LATCH CHECKING SWITCH CLOSED WHEN LATCH
RELEASES CLOSING SPRING TO CLOSE CIRCUIT BREAKER.
ANTI PUMP RELAY PREVENTS RECLOSING ON A SUSTAINED
CONTACTS CLOSED WHEN CLOSING SPRINGS ARE FULLY
CHARGED.
CHARGED.
CLOSE COMMAND.
IS RESET.
TRIP COIL
SPRING CHARGE MOTOR
CT - CURRENT TRANSFORMER
52CS - CIRCUIT BREAKER CONTROL SWITCH
ILR - BREAKER "CLOSED" INDICATION LAMP, TYPE LED.
ILG - BREAKER "OPEN" INDICATION LAMP, TYPE LED.
LCS
52/TC -
52/M
52CC
CHG.
52Y
- 52
- CLOSING LATCH MONITORING SWITCH IS CLOSED
WHEN LATCH IS CAPABLE OF BLOCKING FULLY CHARGED
CLOSING SPRING. HELD OPEN BETWEEN TEST & CONNECT.
1. SYSTEM: MAIN BUS 3000A,
3. BREAKER SHOWN IN "OPEN" AND IN "TEST" POSITION,
- LIMIT SWITCH FOR SPRING CHARGING MOTOR,
5. BILL OF MATERIAL
2. PHASE ROTATION:
WITH CLOSING SPRING "DISCHARGED"
CL/MS
LEGEND:
C
DENOTES ITEM No.
B
A
NOTES:
6. DOTTED LINE INDICATES EXTERNAL EQUIPMENT AND
MOC - MECHANISM OPERATED BREAKER AUXILIARY CONTACTS
4. FOR REFERENCE SEE DWG. 2001103-D-11 (SHEETS ------)
43 - SELECTOR SWITCH "LOCAL-REMOTE"
MCB1 - MOLDED CASE C.B. FOR CLOSE CIRCUIT (125V D.C. 20A)
OPERATING COIL
R E
S
INDICATING LIGHT
N.O. CONTACT
N.C. CONTACT
X2
X1
CURRENT
TRANSFORMER
(LED TYPE)
SYMBOLS
WIRE MARKER:
SLEEVE TYPE HEAT SHRINKABLE
CONTROL: 14AWG.
125VDC BUS: 10AWG.
C.T. WIRING: 10AWG.
STRANDED TINNED-COPPER TYPE S.I.S.
CONTROL WIRE:
TERMINAL BLOCK:
TOC - TRUCK OPERATED BREAKER AUXILIARY CONTACTS
:MCB1 & MCB2
EXTERNAL WIRING (BY CUSTOMER)
B
T B
BKR SHOWN
IN "TEST"
52H
(TOC)
CRANK
END
T B
T B b a
3 5 b a b
97 11 a
ON 2
POLE 2
ON 2
POLE 1
ON 1
INPUT
ON 1
INPUT
24202B
ELECTROSWITCH
11 12 15 16
CONTACT DEVELOPMENT
X
X
X
X
LOCK
LOCAL REMOTE
SELECTOR SWITCH
CAT.# 2450D
ELECTROSWITCH
CONTACTS
1 13
L O
C A
L
R E
M O
T E
X
X
X
X
POS.
X
3 31
23 X
BREAKER CONTROL
TRIP
PULL-TO
CLOSE
52CS
POSITIONS
T R
IPCONTACTS
D E
C K
P U
C L
O S
E n a t n a c
X
LCO - LAMP CUT OUT CONTACT OF 52CS SWITCH
C.T. WIRING: 8-POLES : CAT. #IKU8S
C.T. WIRING: 6-POLES : CAT. #IKU6S
CONTROL WIRING: 8-POLES : CAT. #IKU8
CONTROL WIRING: 12-POLES : CAT. #IKU12
(ITI MODEL IKU: 50A 600VAC 18-10 AWG)
ILG
CLOSED
R E
S
R E
S
1TB4/3
52CS
CAT. #2450D
ELECTROSWITCH
11 18
DECK 2
DECK 1
DECK 2
DECK 1
PULL TL/
TRIP
P
M C B
A
V D
C
M C B
A
V D
C
T B
N
M C
B
BUS
1 2 3 4 5 6 a b
11b11a
ILR
CAT. #24202B
ELECTROSWITCH
LOCAL
TOC/4
TOC/2
REMOTE
FRONT OF DOOR
BACK PLATE
LOW VOLTAGE COMP'T.
LOW VOLTAGE COMP'T.
T B
M C
B
M C
B
M C
B
MCB2/2
DECK 3
TRIP-nat-31nac-CLOSE 35
CLOSE
CLOSE
DECKS 1 & 3 ARE
MAKE-BEFORE-BREAK
X
X
X X X
TOC/5
MCB2/1
1 5
TOC/1
TB4/9
TB4/11
TB4/9
TB4/10
TB4/8
TOC/6
TB4/11
TOC/8
MCB1/2
MCB1/1
MCB1/4
MCB2/2
P
IL
G B
E N
52/14
TB4
N
MCB1/3
P
N
5TBB/3
52/10 7 MCB2/4
852/7 43/11
52CS/35
9ILG/1
52/131110TBB/7
ILR/2 43/2111
TB5
TB9/1
TBB-12
TBB-11
8 1
T B
7653 41 2TBA
52-AUX. & 52-MOC
FOR CUSTOMER's CONNECTIONS
AUXILIARY CONTCTS
N 3 1
T B
T B
P 1
T B
T B
T B
T B
T B
TBB 1
1 1
643 5 7 8 9
FOR CUSTOMER's CONNECTIONS
S U
P P
L Y
S T
V
D C
TBB-1
TBB-2
TBB-4
R C
L O
S E
T B
R T
R
IP
TBB-10
IL
R B
O S
E D
INTER-WIRING PROVIDED BY GS&C AT SITE BETWEEN BREAKER T.B.s
EXISTING TERMINAL BLOCKS IN WIRING TROUGH AT TOP OF CUBICLE.
IN INSTRUMENT COMPARTMENT & EXISTING T.B.s AT TOP OF CUBICLE
3 1
98754 61 2
ILG/2
CT2( A)/X1
2X1
CT2( B)/X1
4X1
CT2( C)/X1
6X1
CT2( C)/X2
CT2( B)/X2
CT2( A)/X2
6X2
4X2
2X2
CT1( A)/X2
CT1( C)/X2
CT1( B)/X2
5X2
3X2
CT1( C)/X1
CT1( B)/X1
CT1( A)/X1
1X2
5X1
3X1
1X1
A
C
.8
B .2
O V
E R
C U
R R
E N
T P
R O
T E
C T I
O N
C T
LHS WALL
A ,C
,0 .3
B .8
T R
A N
S F
O R
M E
R D I
F F
E R
E N
T I
A L
P R
O T
E C
T I
O N
C T
TB1
5X2
1X2
3X2
5X1
3X1
1X1
X
T B
T B
T B C
X
T B
T B
T B
T B
X
X
X
3 4
X
6 G
X
X
X
X
X
32 4
X
65 G
GB-5
2X1
6X1
6X2
4X1
4X2
2X2
TBC1-1
TBC1-2
TBC1-3
TBC1-4
TBC1-5
TBC1-6
TBC2-1
TBC2-2
TBC2-3
TBC2-4
TBC2-5
TBC2-6
T B C
T B
T B
T B
T B
T B
T B
T B
1 2 T
B
TB7
TB8 1 2 43 5 76 8 1
9 1
MCB2 - MOLDED CASE C.B. FOR TRIP CIRCUIT (125V D.C. 10A)
EXISTING TERMINAL BLOCKS
TBA, TBB, TBC1 & TBC2 ARE
T B
T B
IN OPEN POS.
BKR SHOWN
(MOC)
52S
T B
T B
T B
2 4
1 3 b
6 8 a b
CRANK
END
T B
T B
T B a
T B
T B
10 12 a b
14 16 a b
2218 20 b
17 19 a b a
T B
T B
5 8 1
CKT
CLOSE
AUX.
CONTACTS 1C
5C
CKT
TRIP
CKT
TRIP
3C2C b a
4C b a
6C
12 16 b
5 6
8C7C
22 18 a b
11 15 19 17 a
T B
T B
T B
T B
T B
T B
T B
T B
7 3
S
M O
C
T B
T B
T B
T B
T B
T B
T B
D E
FOR CUSTOMER's CONNECTIONS
AND THERMAL TRIP
WITH INSTANTANEOUS
POSITION
T B
C
G
BKR BKR
OPEN
3 4 T
B
T B
C L
O
T
A
V D
C
A
V D
C
T
T
TB9/4
52/2
52/21
52/1
52/6
T B
T B
T B
T B
T B
T B
T B
T B
52-AUX. 52-MOC 5
S
M O
C
S
M O
C
S
M O
C
IDENTIFY T.B.s AT SITE BEFORE CONNECTING WIRES.
END
CRANK
E
D
S
T B
D
Y
Y
E
P
C
T C
P
P
C
P
P
C
P
P
C
P
P
C
P
P
C
P
P
C
22 23 24
1C
3C
5C
7C
8C 6C
8 6
2C4C
4 2
AUX.SW.
P
C R
A
D
1-L21
1-lCS-2
1C-X2
4C-TC2
2C-L9
5C-L12
5-L11
3-L13
3C-L20
3C-L14
6-L15
6C-L16
7-L19
7C-L22
8C-L18
8-L17
4 3
T D
SM/LS
CHG
T
3-L5
3-L2
4-Y1
1-S2
2-TB1
3-E1
1-E3
2-E4
2-Y3
1-L1
E
3-X1
4-L8
4-E2
CL/MS
S
2-D1
1-L3
CC
2-P1C
1-E3
X1
MOTOR
1-TB1
2-TB2
M
C
S
52/8
52/4
ILR/1
C S
A U
X
A U
X
A U
X
A U
X
A U
X
A U
X
S
M O
C
A U
X
A U
X
S
M O
C
S
M O
C
S
M O
C
T B
A
T B
A
T B
A
T B
A
T B
A
T B
A
T B
A
T B
A
T B
A
T B
A
T B
A
T B
A
S
M O
C
S
M O
C
S
M O
C
S
M O
C
T B
A
T B
A
T B
A
T B
A
SHORT-
CIRCUITING
CIRCUITING
SHORT-
TB2
CUSTOMER'S USE
CONTACTS FOR
SPARE AUXILIARY
52/352/5
52/9
T B
R C
L O
S E
R T
R
IP
IL
R B
O S
E D
T B
T R
A N
S F
B K
R
S T
N
S E
R V
IC
E
V
IL
E D
T B
D C
B
B A
D C
B
B A
T B
D C
B
B A
D C
B
B A
C S
T B
C S
T B
T B
T B
M
TB
1 M1
M2L4
D2
TB
4 2
5-RA2
8-lC1
7-L7
6-E2
6-L6
1-RA1
1-D4
Y 52Y
TRIP
2-P4C
1-L1052
TC
TC
METAL JUMPER
FURNISHED, CONNECT
WITH BUTT TERM. 2
RES
2-Y5
1-Y1
RA
WHEN RES IS NOT
LCS
LCS
1-LCS3
2-LCS4
2-P1
3-LCS1
4-LCS2
1-Y8
GE VBB-13.8kV BREAKER ML-17 MECHANISM
T
B
T B
T
B
2 2
T B
T B
T B
T B
AT TOP OF CUBICLE.
15kV, 1200A, 3 , 3W, 60Hz, 95kV BIL, 1500MVA
DCB1-BA - DC BREAKER BELL ALARM
DCB2-BA - DC BREAKER BELL ALARM
GROUND
GB
52/20
52/23
TB6
T E
R M
IN
A L
S P
A R
E
B L
O C
K S
S P
A R
E
CONTACT DEVELOPMENT
OF BREAKER COUPLER
LOCATIONS-WIRE SIDE
DISCONNECT PIN
19 20
6 7
2 3 4
52H-TOC/9
52H-TOC/10
52H-TOC/11
52H-TOC/12
52H-TOC
SPARE AUXILIARY
CONTACTS FOR
CUSTOMER's USE
(2-1/4X4 CU)
1200A BUS CONNECTIONS
BREAKER #104 & #204
TRANSFORMER No.1 OR No.2
OF STATION SERVICE
EXISTING BUSHING & BUSDUCT
AC 3 LINE DIAGRAM
A B C
H10.3B1.8
2500:5A C200
X1
H1
CT1
7A
X2
X1
H1
X1
#10
#10
#10
X2 X2
#10
#10
#10
P R
O T E C T
IO
N
T R
A N
SF
O R
M E R
D
IF
F E R E N
T
IA
L
1X1
3X1
5X1
3X2
5X2
1X2
(2-1/4X4 CU)
1200A BUS CONNECTIONS
GE CAT.#
VBB13.8-1500
1500MVA
95kV BIL
13.8kV,1200A TRANSFORMER
STATION SERVICE
(104 & 204)
BREAKERS
P O
W
O W
H1
50:5A
4.8B0.2
C10
CT2
7B
X2
X1 H1
X2X2
X1 X1
H1
#10
#10
#10
#10
#10
#10
15kV 3000A 3 3W 60Hz 95kV BIL 1500MVA
EXISTING MAIN BUS (4-1 4X5 CU)
B
A
C
O V E R C
U R R E N
T 2X2
4X2
6X2
4X1
6X1
P R
O T E C T
IO
N
2X1
TB1-3
TB1-1
TB1-5
TB1-6
TB1-4
TB1-2
TB2-2
TB2-4
TB2-6
TB2-5
TB2-3
TB2-1
T .B
S P
A R
E
U S
E
S
M O
C
S P
A
X
C O
N T
A C
S T
T B
B
T B
B
H
T O
C
H
T O
C
8 1
T B
T B
T B
T B
T B
T B
G B
5 6
432TB9 1
T B
T B
1 2 3
B L
U
B L
K
R E
D
R E
D
B L
K
B L
U 1 2 3
DCB1-BA DCB2-BA
R.H.S. WALL
D E
C K
NOTE: LAYOUT OF T.B.s TBC1, TBC2, TBA & TBB (EXISTING) ARE NOT EXACTLY
AS SHOWN.
STATION SERVICE TRANSFORMER
No.1 & No.2
N F
R .d
O
D P
O
S L
O
FR108
F O
R T R
A N
D A
L L
/2
/2
R E
P L
A C
E P
O W
E R
H O
U S
E P
O T
E N
T
IA
L
A N
D C
U R
R E
N T T
R A
N S
F O
R M
E R
S
M A
IN
S T
E M D
A M
S
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
O M
A H
A
N E
B R
A S
K A
OMAHA DISTRICT
O M
A H
A D
IS
T R
IC
T W
F -1
-T -0
A T
IO
N S
E R
V
IC
E W
IR
IN
G D
IA
G R
L
IC
IT
A T
IO
N N
O
F
IL
E N
A M
E
D W
N B
Y
C K
D B
Y
D E
S
IG
N E
D B
Y
D E
S C
R
IP
T
IO
N
D
2 3
C
4 5
A
B
M A
R K
A P
P R
D A
T E
F
IL
E N
U M
B E
R
S
IZ
E
S U
B M
IT
T E
D B
Y
P L
O T S
C A
L E
P L
O T D
A T
E
D A
T E
M A
R K
D E
S C
R
IP
T
IO
N
C O
N T
R A
C T N
O
IDENTIFICATION
SHEET
D A
T E
A P
P R
®of Engineers
US Army Corps
N
G P .d
V
IN
S P
O
IN
T
D P
O
D P
O
S L
O
T H
R E
E L
IN
E D
IA
G R
A M
GP100
GSB
S P
A R
E
VGR
41E
TRANSFORMER
POTENTIAL
POWER
378,1300ADC MAX
250VDC,793ADC NORMAL
B R
A K
E
G E
G H
T
C R
E E
P
31F
BATTERY
STATION
125VDC
13.8KV/320V
600KVA
A
300G
B
300G
B
A A
B
A
B
A
B
A
B transfer PCB current transformers are connected to differential bus PCB must be in open position before disconnects can be
5. Line grounding switches, line PCB isolating disconnects and
24 Volts per Hertz Relay
27 Undrevoltage Relay
41E
Time Overcurrent Relay
Instantaneous Overcurrent Relay50
51V
Voltage Supervised Time Overcurrent Relay
78 Out of Step Relay
81 Frequency Relay
W/V Watt / Var Transducer
HARTINGTON
GCB 362
Transformer Protective Relay
ES
GCB Generator Circuit Breaker
RTD-Resistance Temperature Detector
RES Remote Synch
13 Synchronous Speed Switch
Gen. Air Brake Intermittent Timer
33-7
VCB322
WIL WIL WIL WIL
PCB 462
VCB224
PCB262
VCB226
PCB462
ALL VCB'S
VCB224
VCB222
33-7
PCB462
T3
TLM
DIGITAL
TLM TELEMETERING
40.365 MVA
V
TDTD
R E
S
ANN
SS-2
TRIP
3-800A POLES
IN PARALLEL
13.8KV, 250
MVA I.C.
1-2000/5
5/6
800/5
75 RPM
0.95 PF
13.8 KV-30
ISOLATING
LINKS
13.8KV/480V
1000KVA
STA. SERV.STA. SERV.
TRANSF.TRANSF.
NO.1NO.2
ANN
1-2000/5
2-2000/5
3-2000/5/5
3-100/5
SS
R I
2000A, 13.8
KV, 500MVA
I.C.
N
WH
N
3-2.5/5
3-2000/5
WH
W
TD
W
51X
ACB226AS
49T 49T
UNITUNIT
ANN
SS-1
TRIP
SD
5C
1-2000/5
0.19
800/5
5/6
A
33-7X
63C
86T1
ES
HR ANN
65SD
5C
63QTL ANN
0.19
SS
R I
3-2000/5/5
2-2000/5
1-2000/5
2 2
13.8KV13.8KV
49T5P
59ST
1-200/5
ANN
1-200/5
TO EXTERIOR
STA. SERV. SWG.
(SH,2)
3-400/5
69-165
SEE
NOTE 3
115KV MAIN BUS
L L
S
V V
F F
SS
MAIN BUS VOLTAGE
115KV TRANSFER BUS
FVF
3-400/5
SS
RES7RES6
(SH,2)(SH,2)
SEE
NOTE 3
69-265
INCOMING
M M
SYN
BUS
49T5P
ANN
HR
5C
ANN
(IF USED)
65SNL
ANN
UNIT
SD
5C
1-2000/5
0.19
800/5
5/6
33-7X
63C
86T1
ES
HR
ANN
65SD
GCB362
5C
63QTL ANN
3-2000/5/5
2-2000/5
1-2000/5
20AI
CO
1-200/5
3-400/5
M
DFR
A0
363 263
49T
5P
ANN
65SNL
ANN
(IF USED)
13.8KV
T
ANN
65SD
HR
EXC.
FBM
SISI
RP
SNL 13
30X
95X
PMG
S N
L
A N
N
A C
T U
A T
O R
O N
I
N S
T
WVAR
TS
TS
3G
W/V
TD
W
TDTD
VAR
WVARPFASA
V
VS
V
TD PS
SS
SSSS
RES4
(SH,2)
VS
W/V
TD
DFR
TS (METERING)
(RELAYING)
69-165 69-265
69-365
27T
DFR
RES5
(SH,2)
NOTE 3
A0
SEE
NOTE
69-365
SCS
25X3
25X1
25X2
M
W
VAR
TS
SS
DIGITAL
TLM
NPPD
RES3
(SH,2)
VS
W/V
TD
DFR
M
W
VAR
TS
SS
RES2
(SH,2)
VS
W/V
TD
DFR
M
W
VAR
TS
LINE
YANKTON
JUNCTION
LINE
SPIRIT
MOUND
LINE
SS
VS
DFR
M
W
VAR
TS
761861
108 KHz
RELAYING
T
R
A0
A0
BLOOMFIELD
LINE
RES1
(SH,2)
WH
3 ELEMENT, 4
WIRE, GRD Y
METRING
DEVICE
20AI
RUNNING
TSTSTS
Complete Shutdown
Partial Shutdown
Exciter Field Ground Relay
Governor Shutdown Solenoid
Bus Differential Relay
Generator Differential Relay
Emergency Shutdown
Temperature Relay Bulb
Thermostat
Ammeter
Frequency Indicator
Fly Ball Motor
Lamp-Synchronizing
Motor Operator
Permanent Magnet Generator
Phase Shifter
Synchroscope
Speed Indicator
Voltmeter
VARmeter
Wattmeter
Watthour Meter
White Indicating Lamp
Watt Transducer
Var Transducer
Volt Transducer
Ammeter Switch
Line Drop Compensation
Receiver-Carrier
Rectifier Pack
Synchronizing Switch
Transmitter-Carrier
Transfer Switch
Voltage Regulator
Voltmeter Switch
Frequency Recorder
Temperature Recorder
Voltage Recorder
VAR Recorder
Watt Recorder
Unit Bearing
Temperature Recorder
5C
5P
PF
W/V
TD
A
F
FBM
L
M
DFR
PMG
PS
S
SI
V
VAR
W
WH
WIL
W
TD
VAR
TD
TD
V
AS
LDC
R
RP
SS
T
TS
VR
VS
F
T
V
VAR
W
UBT
TD
LEGEND:
relays when permissive switch is operated.
permissive switches so that only one disconnect can be closed at permits closing of grounding switches only when the associated
Power Factor Meter
Watt/VAR Transducer
63QG
63QG
14400/120 V
14400/120 V
MAIN BUS
I N
C O
M I
N G
R U
N N I
N G
86T3 5C
ANN
86T1
300G
300G
300G
300G
40 27
300G
Lock-Out Relay
300G
387E
387E
HR HR
387E
86T2
HR
387E
VR
ANN
64F
ANN
FIELD
V
V
A
387E
387E
387E
51V
64F51N
NOTES:
1. Generators No. 1 and 2 are identical to generator No 3.
Connections differ only where indicated
2. REMOVED
3. Transfer switches for transformer differential relaying are combined with permissive switches for MOD operation so that
4. Transfer bus motor operated disconnects are interlocked by a time. Operation of disconnects is interlocked so that transfer closed or opened.
disconnects are open and in turn closing of isolating and motor operated disconnects only when grounding switch is open.
line motor operated disconnects have key type interlock which
Overspeed Switch
Underspeed Switch
20AI
Auto Synchronizer
Wicket Gate Position Switch
Bearing Thermal Relay
Loss of Excitation Relay
Exciter Field Breaker
46Q Negative Sequence/Time O.C. Relay
49T
Transformer Thermal Relay
51N Neutral Overcurrent Relay
59ST Potential Indicator
59 Overvoltage Relay
63C CO Pressure Switch
63QG Governor Low Oil Press. Sw.
63QTL Turb. Guide Brg. Low Oil Press. Sw.
64F
65SD
65SNL Governor Speed No Load Solenoid
Permissive Switch
87B
87G
87T Transformer Differential Relay
WH
Generator Protective Relay
387E
HR Hand Reset
SCS Auto Sync. Cutout Switch
7X
NPPD
HR
7X
Y
31 5/42 MVA
OA/FA
Y
TRANSF 2
31.5/42 MVA
OA/FA
Y
TRANSF. 1
31.5/42 MVA
OA/FA
WH
L E
A S
N E
DFR
F
S
H
TB
59ST
MB
59ST
59ST
2T 1T
59ST
SYNC. VOLT.
CORR. TRANSF.
SYNC. VOLT.
CORR. TRANSF.
Digital Fault Recorder
311L
311C
I A,B,C
V A,B,C,N
V A,N
I A,B,C
BF829CS 311L 311C
I A,B,C
I A,B,C
BF729CS
I A,B,C
I A,B,C
311L 311C
I A,B,C
V A,B,C,N
V A,N
I A,B,C
W/V
TD
21 Distance Element
25L Sync Check
32 Directional/Reverse Power Relay
50BF Breaker Failure
67G Directional Ground Element
86B115 Bus Differnetial Lock-Out Relay
86BF115 Breaker Failure Lock-Out Relay
79 Auto Reclose
DCB Directional Comparison Blocking
311L Line Protective Relay
311C Line Protective Relay
487B Bus Differential/Breaker Failure Relay
29 Breaker Failure Cut-Out Switch
Metering (V,A,W,VAR)
V A,B,C,N
87B115-1/2
TO
87B115-1/2
TO
87B115-1
ALL PCB'S
ANN
ALL PCB'S
ALL 65SNL
ANN
POTT Potential Overreach Transfer Trip
DTT Direct Transfer Trip
V A,B,C,N
V A,N
V A,B,C,N
V A,N 311L 311C
I A,B,C
I A,B,C
BF629CS
V A,B,C,N
V A,N
V A,B,C,N
V A,N
Line Differential Element87L
V A,B,C,N
V
A,B,C,N311L 311CV
A,N V
A,N
BF529CS
V A,B,C,N
V A,N
BF429CS
programmed to work for the Yankton Line
11. POTT/BFDTT scheme in transfer breaker relays only relays 87B115-1 and 87B115-2 individually.
10. Breaker failure tripping function shall be performed by both handles C Phase currents.
87B115-1 handles A Phase and B Phase currents, 87B115-2 9.
additional details.
this drawings. See AC control diagram for
8. All line relay fuses/switches not depicted on this drawing. See schematic for additional details.
7. All line relay inputs/outputs not depicted on be closed at one time.
breaker line relays. Only one permissive switch can transfer potentials from each line to transfer
6. Permissive switches for MOD operation used to
TS
DFR
DFRDFRDFRDFR
I A,B,C
487B
Z
C S
Z
C S
3 3 3 3
TS
M
67G
BFI
M
67G
M
67G
M
67G
M
67G
M
67G
M
67G
M
67G
BFI T0
87B115
7979 7979
21-8A
W
VAR
A
W
VAR
A
V
VS
25L
M
BFI
DCB
TRIP
PCB
DCB
BFI BFI
POTT POTT
BFI T0
87B115
TRIP
PCB
TRIP
PCB
MIRRORED
BITS
RELAYS
OTHER
END
TO
87B115-1/2
87B
86B115
86BF115
50BF
87B
50BF
CURRENTS FROM BKRS
162,262,362,462, 562,662,762,862
87B115-1: A/B PHASE
87B115-2: C PHASE
87B115-2
21-7A 21-6A 21-5A
67G
67G
BFI BFI
POTT POTT
TRIP
PCB
TRIP
PCB
MIRRORED
BITS
RELAYS
OTHER
END
TRIP
PCB
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