Drawing_Updates_(Amendment_5).pdf
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- W9128F-16-T-0053
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REMAIN IN SERVICE.
BEHIND THE UNIT BREAKER. THE EXISTING CTS WILL
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1.INSTALL THREE NEW TWO - CIRCUIT CURRENT
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BEHIND THE UNIT BREAKER. THE EXISTING CTS WILL
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1.INSTALL THREE NEW TWO- CIRCUIT CURRENT
KEYED NOTES
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BEHIND THE UNIT BREAKER. THE EXISTING CTS WILL
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1.INSTALL THREE NEW TWO- CIRCUIT CURRENT
KEYED NOTES
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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
GENERATOR PTS
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ON THE BUS IN THIS
CTS TO BE INSTALLED
NEW GENERATOR
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Overspeed Switch
Underspeed Switch
Directional Distance Relay
Temperature Relay
Field Reducer Contactor
Field Flashing Contact
Autotransformer Thermal Relay
Transformer Relay
Breaker Failure-Aux. Bus
Breaker Failure-Main Bus
Overcurrent Relay
Overcurrent Ground Relay
Overvoltage Relay
Backup Timer
Backup Timer-Aux. Bus
Backup Timer-Main Bus
Governor Shutdown Solenoid
Governor Speed No Load Solenoid
Reclosing Delay Relay
Underfrequency Relay
Auxiliary Bus Differential Relay
Autotransformer Differential Relay
Generator Differential Relay
Generator Differential Residual Relay
Main Bus Differential Relay
Transformer Differential Relay
Tripping Relay
Field Ground Detector
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Dead Line Check Undervoltage Relay
Overcurrent Relay
Directional Ground Relay
Bus Differential Relay
Tripping Relay
Auxiliary Relays
Emergency Shutdown
Hand Reset
Ammeter
Frequency Indicator
Fly Ball Motor
Lamp - Synchronizing
Motor Operator
Oscillograph Jack
Permanent Magnet Generator
Synchroscope
Recorder Var Transducer
Voltmeter
VARmeter
Wattmeter
Watthour Meter
F
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Volt. Adj. Xfmr.
Voltmeter Switch
Voltage Regualtor
Transfer Switch
Transmitter-Carrier
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Rectifier Pack
Receiver-Carrier
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Cross Current Compensation
Ammeter Switch
Thermostat
Temperature Relay Bulb
Resistance Temperature Detector
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SS
M
OSC
127 127 125
L B
52B
V
VS
3 O
3-600/5
RE
S14
51X
ANN
STA. SERV. 4STA. SERV. 3
51X
ANN
51X
ANN
13 8KV
ANN
PA
T1
2-14,400
/120
3-150/53-300/5
3-150/5
REG 13 8KV
F
V
F
V
S
L L
RUNNING
INCOMMING
115V KV MAIN BUS
51X
W
WHAS
A
ANN
3-3000/5Y
3-800/5Y
49X
REACTOR
3-10-45KVA
300A-.5O
1.8%
3-1200/5TANN
TB
DIFFPS
A AS
VAR
W
VAR
TD
W
TD
VAT
SV2
3C1 PC1
V VS
PA
T2
14400/120
PS
A AS
VAR
W
VAR
TD
W
TD
AT3
AT2
ATI
49X
ANN
87AT87
ATX
3-600/5
AUTO-TRANSFORMER E
3-10 35.6 MVA 6.2 MVA
35.6 MVA
66.4/115KV
ATFX ATF
ANN
AT
T
ANN
ATX
3-600/5
AUTO-TRANSFORMER F
1-30 107 MVA 107 MVA
OA 132.8/230KV 66.4/115KV
3-600/5
TB
TB
TB
V-REG
300KVA
R
I
HR
ANN
T
TYPE OA/FA
VS V
MB-1
M
BO
ANN
OCB1862
OCB1866
OA/FA 132.8/230KV 13.8K
3-600,300/5
3-300/5
3-600/5
RWT
RVT
X
46Q
59X
2SD33X4X
3-600/5
3-600/5 3-600/5
3-600/5
5C2
5C1
OCB962
OCB1666
TA TB
PC0
P__
RE
Potential input to PPCS
PPCS sync input
SEL 311
SEL 421
SEL 734
Secondary Line Relaying
Primary Line Relaying
Revenue Meter
SEL
30303O
69V
69/115V
69KV
(ALL BUS PTs)
LINE
O'NEILL
JCT. LINE
YANKTON
B0
B0
ATE
ATFX
5C
59X
3-2500/5Y
69/115V
69KV
VY15A
69/115V
69KV
VY16A
69/115V
69KV
VY17A
69/115V
69KV
VY18A
BO
115V
BO
115V
BO
115V
BO
69V69V 69V
PPCS
EXC.K200
1/14PCB122
PCB124
EXC.
BRAKE
3-3000/5
EXCITER
W/VRIB
UCB
40 46Q
IB
RWT
RVT
W/T
PU1
W/V Watt/VAR Recorder
Voltage Recorder
Temperature Recorder
Frequency Recorder
RWT Recorder Watt Tranducer
Speed IndicatorSI
RVT
115KV
SEL
SEL
W/V
XDCR
PGY
PC1
W
VAR
W/V
XDCR
SEL
SEL
V
VS
41 Exciter Field Breaker
Neagatice Sequence
49 AT
46Q
Loss of Excitation
Gov. - Low Oil Press. Sw.
Reclosing
HR
ES
-x, -y, -z
167 G
127 L
127 B
SEL
SEL
VS
A
W
VAR
W
VAR
W/V
XDCR
ANN
6363X
Removeable
408V
PPT
698 KVA
3-3000/5
TO EXCITER
62BF
not used
1-5000/5 not used
1-5000/5
14,400/120
2-
Maint. Facility
O N
E L
IN
E D
IA
G R
A M
F O
R T R
A N
D A
L L
S H
E E
T
3-2500/5
METERING PTs
REMOVE AND REPLACE
EXCITER PTs
REMOVE AND REPLACE
METERING PTs
REMOVE AND REPLACE
METERING PTs
REMOVE AND REPLACE
EXCITER PTs
REMOVE AND REPLACE
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
/2
/2
W F -1
-T -0
3-150/5A
CTs SHALL BE
INSTALL NEW CTs.
D
E C
C
H A
N G
E S T
O E
X C
IT
E R P
T A
N D C
T S
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
FR101
S H
E E
T
O N
E L
IN
E D
IA
G R
A M
F O
R T R
A N
D A
L L
3-14, 400/120
Y Y
3-14, 400/120
Y Y
3-2500/5Y
3-2500/5
3-2500/5Y
3-1250/5Y
1-2500/5
UNIT
3-14, 400/120
YY
3-14, 400/120
YY
3-2500/5Y
3-2500/5
3-2500/5Y
3-1250/5Y
1-2500/5
UNIT
3-14, 400/120
Y Y
3-14, 400/120
Y Y
3-2500/5Y
3-2500/5
3-2500/5Y
3-1250/5Y
1-2500/5
UNIT
3-14, 400/120
YY
3-14, 400/120
YY
3-2500/5Y
3-2500/5
3-2500/5Y
3-1250/5Y
1-2500/5
UNIT
3-14, 400/120
Y Y
3-14, 400/120
Y Y
3-2500/5Y
3-2500/5
3-2500/5Y
3-1250/5Y
1-2500/5
UNIT
3-14, 400/120
YY
3-14, 400/120
YY
3-2500/5Y
3-2500/5
3-2500/5Y
3-1250/5Y
1-2500/5
UNIT
PTB
V
SS
I R I R
SS SS SS
PTB
V
SS
I R I R
SS SS SS
LDC LDC
PTD
V
SS
I R I R
SS SS SS
3-2500/5Y
3-50/5
13.8KV-480V
1000 KVA
TRANSF. NO.2
STA. SERV.
13.8KV
0.25MF
L.A.
15KV
85.7 RPM
0.95 PF
13.8 KV-30
42.1 MVA
REACTOR
.0178
722 622
8 7
T
Y
OSC
1-300/5
TRANSF. "D"
3-600/5
3-600/5Y
TX
ANN
OCB1382
OCB1386
T
Y
OSC
1-300/5
TRANSF. "C"
3-600/5
3-600/5Y
TX
ANN
OCB1282
OCB1286
T
Y
OSC
1-300/5
3-600/5Y
ANN
49T
TX
ANN
OCB1182
OCB1186
SS
SS
SS
SS
RE
S3
RE
S3A
RE
S4
5Y
3-1200
/5Y
3-1200
/5Y
3-1200
/5Y
3-1200
3-1200
3-1200/5
/5Y
3-1200
MB-3
/5Y
3-1200
RE
S7
3-1200/5Y
3-600/5
/5Y
3-1200
/5Y
3-1200
/5
3-600
/5Y
3-1200
3-1200/5Y
3-600/5
MB-1
3-600/5
3-1200/5Y
3-1200/5Y
3-600/5
/5Y
3-1200
/5Y
3-1200
INCOMMING
LINE
SIOUX CITY
LINE
FORT THOMPSON
LINE
LAKE PLATTE
SS
SS
RE
S12
RE
S13
V
TD
VVS
R
I
SS
SS
RE
S11
RE
S10
OCB
PA
B2
BO
PM
B1
PLP
VAR
W
A OSC
BO
SS
SS
RE
S9
81 OSC
M
RE
S7A
W
A
OSC
SS
SS
BO
PA
B4
OSC
PM
B3
RE
S8
3-1200/5Y
3-600/5
W
VAR PFT
VAR
W
A OSC
BO
SS
SS
RE
S5
OSC
M
PS
W
VAR
PSVAR
W
A OSC
BO
SS
SS
RE
S2
OSC
BO
PA
B6
OSC
PS
W
VAR
W
A OSC
SS
SS
RE
S1
PSC
V
VS
OSC
BO
Y
F
V
S
L L
V
F
V
VS
OSC
BO
Y
V
VS
OSC
BO
Y Y
B0
V
VS
OSC
BO
Y
30 30 30
BUS OCB'S
ALL MAIN
MBX
OA/FA
26/32.5MVA
3-10-13.2/230KV
TRANSF. "B"
ABX
CABLES
OIL PIPE
HIGH PRESS.
ANN
SV2
3C1
PC1
BV12
GV12
RUNNING
INCOMMING
ANN ANN
AB-2
POL. CUR.
/5
3-600
M
M
6081 AB-4
POL. CUR.
/5
3-600
PM
B5
POL. CUR.
AB-6
MB-5
RUNNING
VAR
3-600/5
RE
S7A
724 524
/5Y
3-800
/5Y
3-800
/5Y
3-800
/5Y
3-800 3-800
/5Y
3-800 3-800/5Y
/5Y
3-800
/5Y
3-800
/5Y
3-800
SEL
SEL
VAR
W
SEL
PS
O U
T
E
C L
O
C L
O U
T
B
K
F A I
L
O U
T
I
L O
I
L
O
I
L
FUTURE
FUTURE
LINE
UTICA JUNCTION
311311
SEL
O
I
L
O
C L
O U
T
I
PUJ
SEL
O
C L
O U
T
I
L O
I
L
W
VAR
W/V
TDCR
W/V
TDCR
W/V
TDCR
W/V
TDCR
87 87
TBTA
O
C
SEL
O
I
L O
U T
I
L
W
VAR
W/V
TDCR
87 87
TBTA
87 87
TBTA
UNIT 7, 5C
UNIT 8, 5C
UNIT 5, 5C
UNIT 6, 5C
UNIT 3, 5C
UNIT 4, 5C
PC0
87 87
MBA MBB
87 87
ABA ABB
BUS OCB'S
ALL AUX.
69/115V
138KV
69/115V
138KV
69/115V
138KV
69/115V
138KV
69/115V
138KV
PT'S
69/115V
138KV
69/115V
138KV
(ALL AB PTs)
69/115V
138KV
(ALL MB PTs)
115V
69V
SEL
MEADOW GROVE LINE
PMG
3-3000/5 3-3000/53-3000/5 3-3000/5
CC CC
EXCITER EXCITER
LDC LDC
CC CC
EXCITER EXCITER
LDC LDC
CC CC
EXCITER EXCITER
3-3000/5 3-3000/5
ANN
6363X6363X
ANN
49T
ANN
6363X
ANN
49T
ANN
METERING PTs
REMOVE AND REPLACE
METERING PTs
REMOVE AND REPLACE
METERING PTs
REMOVE AND REPLACE
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
/2
/2
W F -1
-T -0
EXCITER PTs
REMOVE AND REPLACE
EXCITER PTs
REMOVE AND REPLACE
3-150/5A
CTs SHALL BE
INSTALL NEW CTs.
EXCITER PTs
REMOVE AND REPLACE
A
N G
E S T
O E
X C
IT
E R P
T A
N D C
T S
D
E C
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
G
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
N
IG
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
IN
S T
R
B D
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
IN
C
O M
IN
G
R U
N N
IN
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
IN
E
DFR
F
S
H ,2
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
TRIP
PCB
BFIBFI
TRIP
PCB
TRIP
PCB
BFI BFI
TRIP
PCB
BFI FROM BKRS
462,562,662,762,862
25L
25L
M25L87L
CURRENTS
OTHER
END
25L
487B
21-7B 21-7A 87L-6B 21-6A 21-5B 21-5A 21-4B
A
21-8B 21-8A
TO
87B115-1/2
TO
87B115-1/2
TO
87B115-1/2
TO
87B115-1/2
TO
87B115-1/2
BFI T0
87B115
BFI T0
87B115
BFI T0
87B115
Q Y
D
Y
A
Q Y
C
Y
A
Q Y
A
Y
A
Q Y
D
Y
A
Q Y
C
Y
A
Q Y
A
Y
A
Q Y
D
Y
A
Q Y
C
Y
A
Q Y
A
Y
A
Q Y
D
Y
A
Q Y
C
Y
A
Q Y
A
Y
A
Q Y
C
Y
A
Q Y
D
Y
A
Q Y
B
Y
QY4A
3Y-1200
400:5A
Q Y
A
Y
A
Q Y
A
Y
A
Q Y
A
Y
A
V Y
A
Y
,0
V
V Y
A
Y
,0
V
V Y
A
Y
,0
V
V Y
A
Y
,0
V
V P
B
A
,0
V
V P
B
A
,0
V
MIRRORED
BITS
RELAYS
OTHER
END
POTTBFDTT
21-4A
W
VAR
A
W
VAR
A
W
VAR
A
V V V V
W/V
TD
VAR
W
BFDTTBFDTTBFDTTBFDTT
1 1 1
/2
/2
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
R E
P L
A C
E M
E N
T D
R A
W E
R S F
O R P
T S A
D D
E D
N U
B M
E R C
T S B
E
IN
G R
E P
L A
C E
D C
H A
N G
E D
D
E C
D
E C
BE REMOVED AND NOT REPLACED.
THIS IS A TOTAL OF 6 CTS. THE 2.5:5 CTS WILL
WITH 3-100:5 CTS AT BOTH IDENTIFED LOCATIONS.
3. REMOVE AND REPLACE CURRENT TRANSFORMERS
8 DRAWERS AND 16 POTENTIAL TRANSFORMERS.
AND ASSOCIATED DRAWERS. THERE ARE A TOTAL OF
2. REMOVE AND REPLACE POTENTIAL TRANSFORMERS
THE EXCITER EQUIPMENT.
TO THE METERS WHILE 'B' PHASE PASSES TROUGH
REPLACED. 'A' AND 'C' PHASES FEED STRAIGHT
THE RE ARE 3 CTS ON EACH UNIT THAT ARE BEING
1. REMOVE AND REPLACE CURRENT TRANSFORMERS.
KEYED NOTES
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
GP101
/2
/2
7B 7A 6B 6A 5 4 3 2 1
SWGR. 23 (EL.1161)
1. All Station Service 480 volt branch circuits breakers are 600 amp. frames, 25,000 A.I.C.
individual settings as marked
NOTES
Station Serv.
Swgr.4,Fdr 210
125VDC Shunt trip protective devices
150100225150350225600350300
ANN 64
L
VS V
VSEL
ANN
ACB TRIP
S
SS-2
50,000
AIC
2-22-32-42-52-62-72-82-92-102-11
3-400/5
600V
2A
6A
250V
M
EXC
500MCM
A V
F
VS
VR
GEN.
DIESEL GENERATOR
Sta. Serv. Transf. No.2
1000 KVA
13.8KV 480V
A i r o m p r e s s o r s
ANN
ACB TRIP
13.8KV-480V
1000 KVA
Sta. Serv. Transf. No 1 Transf. No. 1
Unit No. 1
SS-1
50,000
AIC
V SEL
1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10 1-11 1-12 1-13 1-14 1-15 1-16 1-17
BUS NO. 1
Y
L
64 ANN
VSV
All CB's are
600 A, 25,000 AIC
except as noted
150 150 150 225 150 350 225 600 225 300 300300 225 400 300 225
D a m p i l l w a y
I n t a k e
P o w e r h o u s e a n e
M i s c w e r
A C w b d
A m p r e s s o r s
O l o m
W a t a n t
2-17 2-16 2-15 2-14 2-13 2-12
300 300225400300225
A
D i l l w a y
U n d u m p
I n t a k e
S p a r e
M i s w e r
A C b d
S p a r e
S p a r e
C o n t r w e r
V t a t i r v
S w g d r
50 50 50 50 225
Indicating Instruments: A= Amps.
V= Volts, F= Frequency
Instrument & Control Sw's.: CS=
Control, VS= Voltmeter, AS=
Ammeter, Sel= Selector
Indicating Light
Voltage Regulator
Indicating Lamp
Protective Relays
Ground Detector, Temperature, Motor Controller
Contactor
Test Push Button (Momentary
Contact)
Push Button Station
Push Button Station with Ind.
Lamp
Power Receptacle - 440V. 3O
L
R
C
S Electrically operated Air
Circuit Breaker
Motor (Numeral indicates Horse
Power)
Mechanically interlocked Circuit
Breakers
A=Alternator, AR=Aux. Relay
F=Float Switch, P=Pressure Switch
S=Sol. Oper Valve for Water, Oil or Air, T=Thermostat, TD=Time
Delay Relay, TS=Hand-Off-Auto.
Switch, U=Unloader, PE=Pnuematic, electric
SYMBOLS:
VR
c
TS
ccc
UU
152346789101112131415161718
225225 2030202020 20 50 15 70 40
DC
2P2P2P2P2P
UNIT 1 AUXILIARY SWGR. 11 (EL. 1179.5)
F CS CS
H
KW
r b i n e
S u m p r b i n e
O m p
S p a r e
A u t a r t
S t o p n t r o l
S u m p
T u r b i n e
O m p
G e o l i n g
W a t m p
G e n e r a t a t e r s
T u r b i e a s e
P u m p
H y d r a u l i c
J a c k
P u h r u a r i e s s
O m p
G o v e r n t a t i r v g r
G o v e r n l
S t a t i r v
S w g r
T u r b i a r i n g c
120 3KVA
INTAKE SWGR. 15 (EL. 1215)
15B 15A 14 13 12 10 9 7 6 5 4
225 100 225 225100 100 100 100225
15 100 225 40 150 70 150 70 150 20 20
CC
TSTS
PP
480-
240/
T T
25 25 1 1
3 2 1B 1A 11 8A 8B
100 100 100 100
20 40 4090 50
SEWAGE TREAT.SWGR.21(EL.1161) TRANSF.YD& SWYD.SWGR.22 PNL
5 4 3 2 1
100 100 100
500 500
480/ 480/
120 120
F T
2 H
6 5 4 3 2 1
100 100 100 100
100 100 100 100
3-1O
25KVA
480- 208/
(EL. 1161)
AC-DC SWITCHBOARD-PNL. 7 & 8 (EL. 1195
225 225 100 100 100 100 100 100 100
175 175 40 100 100 100 40 100
16 15 14 13 12 11 10 9 8 7 6 5
100 100 100 100 100
100 100 100 100 100 40
2P2P2P2P2P2P2P2P2P
4 3 2 1
2P2P2P
480- 480- 480- 480- 480- 480- 480-
208/ 208/ 208/ 208/ 208/ 208/ 208/
120 120 120 120 120 120 120
37.5 37.5 37.5 37.5 37.5 37.5 37.5
KVA KVA KVA KVA KVA KVA KVA
480-
208/ 208/
480-
120 120
37.5
KVA
KV
A
S t a t i r v
S w g r
F d r
S w g r
F d r
S t a t i r v
P o w p p l y s e n t i a l
L t l
I
T C
D E
S p a r e
S p a r e
L t
C D
E
L t
B C
L t
D E
L t l
T F
F e e d e r
S w g
L t l
T B
W e a t h a t i o n
S p a r r k i n g l t l e t
T r a n s f x n s
S w g r
T r a n s w e r
O u t l e t s
S w y w e r
O u t l e t s
S w g r r
S t a t i r v
S t a t i r v
S w g r
S w g r
A
A l a p p l y
H y d
I n t a k e
S e e p a m p
U p p r k i n g
L t l e t s
S w g r
F d r
S t a t i r v
S w g r
F d r
S t a t i r v
G a p a i r
C r a n e
E l e v a t o r
P o w e r h o u s e
G a p a t
I n t a k n
P h a u n
G a p a i r
G a p a t
D u a t
P h a u n
G a p a i r
S w g
C o m p
D e i c i n g
S w g
S w g
D e i c i n g
C o m p a n t y a n e
P u t o t a t e s
D i s n e l
I n t a t e s c
TS
ccc
UU
152346789101112131415161718
225225
225 100100
20302020
100100100100100100100100100
202020 20 50 50 15 70 40
DC
2P2P2P2P2P
UNIT 2 AUXILIARY SWGR. 12 (EL. 1179.5)
F CS CS
H
KW
r b i n e
S u m p r b i n e
O m p
S p a r e
A u a r t
S t o p n t r o l
T h e r m o s t a t
F a t e r s
S u m p
T u r b i n e
O m p
G e o l i n g
W a t m p
G e n e r a t a t e r s
H y d r a u l i c
J a c k
P u h r u a r i e s s
O m p
G o v e r n t a t i r g r
G o v e r n l
S t a t i r v
S w g r
T u r b i a r i n g c
TS
ccc
UU
152346789101112131415161718
225225
225 100100
20302020
100100100100100100100100100
202020 20 50 50 15 70 40
DC
2P2P2P2P2P
UNIT 3 AUXILIARY SWGR. 13 (EL. 1179.5)
F CS CS
H
KW
r b i n e
S u m p r b i n e
O m p
S p a r e
A u a r t
S t o p n t r o l
T h e r m o s t a t
F a t e r s
S u m p
T u r b i n e
O m p
G e o l i n g
W a t m p
G e n e r a t a t e r s
T u r b i e a s e
P u m p
H y d r a u l i c
J a c k
P u
T h r u a r i e s s
O m p
G o v e r n
S t a t i r g r r
G o v e r n l
S t a t i r v
S w g r r
T u r b i a r i n g
S p a r e c c c c
UNWATERING & SUMP PUMPS SWGR. 16 (EL. 1179.5) OIL ROOM SWGR. 18(EL. 1161)
9 8 7 6 5 4 32 1
100 100 100 225 225
2252254040
480/
480/
TS
TS TS TS
S S S S SF
F
A
15 15 15 H
100 100 100 100 100 100
5 3 H 5 10
6 5 4A 4B 3 2 1
TT
PE PE PE PE
H H H H 25 25 25 25
KW KW KW KW
100 100
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
100 100 100
H H H H H
5KW 5KW 5KW 5KW 5KW
5A 5 3 2 4 1
100 100 100
C
S t a t i r v
S w g r
F d r
S w g r
F d r
S t a t i r v
S w g r
H e m p g
E r e c t i y
D o i s t
M
O k r
P a n e l
P r e h e a t
S y s t
1{ y s t
R e h e a t
S y s t
2{
S y s t
P r e h e a t e r
H e
S w g r r
S t a t i r v
T r a n s f m p
I n s u l a t i l
T r a n s f m p
L u b l
P o w t l e t s
H e a t e r
K W
C e n t r i f u m p
O r i f i e r
C i r c u l a t i n g
P u m p
E x h a u n
O v e n
K W
F e l t e s s
S w g r
F d r
S t a t i r v
S w g r
F d r
S t a t i r v
P u
U n w a t e r i n g
P u
U n w a t e r i n g
S u m p
S u m p
N o
N o
S u m p
N o
V p p l y
F h t a r m
100100100100 100 100 100 100100100100100100
16 15 14 13 12 11 10 9 8 7 6 5 4
100 100 100
480/
100 100 100 100 100
10 10 10 10 10
MACHINE SHOP SWGR. 17 PNL. (EL. 1195)
C C C C C C C C
2 7
3 3
5 10 1 10
480- 240/
20 20 20 350 30 20 350
TS TS
12 11 10 9 8 7 6A 6 5
350 350100 100
1A 1 13 14 15
350 100
234 16 17 18 1920 21 22 23
7 7 1 1
2 2
9 8 7 6 5 4 3 2 1
1 1 1 1 1 1 1 1 1 1
3 3 3 3 3 3 3 3 3 3
V e i t s
S w g r
F d r
F
F
F
S p a r e
S w g r r
A n d
C o n t r n e l
S p a r e
S p a r e
S p a r e
S w g r r
S t a t i r v
S p a r e
P n l
A
E l e c t r o c h i o p
E l e c t r o p
B a w
E r e c t i y
C r a e d r a i l
S p a r e
M a c t h e
H a c k s a w
M i l l i c h d i a l
D r i l l d e s t i n d e r i e s s a p e r d e s t a l
G r i n d e r
E l e c l d e r
G a p a i r
S p a r e
16234578
100100100100100100
3070701004040
100100
10 9
10030
18 25 5
P
S w g r r
S t a t i r v
S w g r r
S t a t i r v
C o m p r e s s o r
G o v e r n r
W a t m p s t b y
G e o l i n g
G a n t a n e
G a n t a n e
P o w t l e t s
E l
B a t t e a r g i n g
S
B a t t e a r g i n g
S u v e r n o r
A m p
D i e s m p
A u v e r n o r
I r r i g a t i m p s
E
P o w t l e t s
100 100
9 8 7 65 32 4 1
S t a t i r v
S t a t i r v
S w g r r
S w g r r
S t a t i r
C o m p r e s s
C o m p r e s s
S t a t i r
MISC. POWER SWGR. 14 (EL. 1179.5) AIR COMPRESSORS SWGR. 19 (EL.1161)
100 100 100 100
100 100
100 100
100 100
S w g r r
A n d
S y s t
S y s t
S y s t
S y s t
S y s t
S y s t
S y s t p a r e
S w g r
R e c i r n s
S y s t
S p a r e
S y s t p a r e
S p a r e
S w g r r
S t a t i r v
S t a t i r v
S w g r r
S e w a e a t
S w g
S p a r e
S p a r e
S p a r e
S p a r e
S p a r e
50 50 15
TS TS TS TS TS
480-
120/
TS
T h r e r
S w i t c h
VENTILATING UNITS SWGR. 37 (EL. 1179.5)
AIR CONDITIONING SWGR. 31 (EL. 1179.5
S
1-O 1-O
480-
208/
Y
2040100100404040 202020 303020100100100
RECIRCULATING FANS SWGR. 33 (EL. 1195
Unit No.2
Transt. No.2
P o w t l e a b
V
480-
240/
S p a r e
S p a r e
S p a r e
S p a r e
SPARE
S p a r e
S p a r e
S p a r e
S p a r e
S p a r e
S p a r e
S p a
A
M
M
M
M
M
M
H V
A C
S w w w r
ANN
S w w w r a n
Y y d
U n x
S w n i x
S w n i x
S w w g r t a w m p
P u
ELECTRICAL INTERLOCK
M
M
M
M
M
M
M
T r a n y d
S w w w g r w
V
A C
S w n x
U n i w w w i e s n e r a t o r
ANN
ANN
20 20
S p a r e
S p a r e
S p a r e
S p a r e
S p a r e
S p a r e
S p a r e
S p a r e
S p a r e
H E
L L
A N
R
T E
R
S T
R A I
N E
R
S p a r e
H e
50 50
E
T
H E
T
A
R
T E
R
P U
A
P U
R
T E
R
20 20
S p a r e
S p a r e
S e w a n e l
P u n t r o l
S p a r e w a n k
E
P A
S S
H
P
H
P
H
P
H
P
H
P
H
P
H
P
S y s t
P
H
P
H
P
S x
A i r
G o v e r n l
F i l t m p
T u r b i e a s e
P u m p
G o v e r n l
F i l t m p
G o v e r n l
F i l t m p
S r
CC CCCC
S P
A R
E
S W
G R
E D
E R
S P
A R
E
S P
A R
E
8040404550
S y s t
S y s t
H
P
U
N o
H
P
U
N o
S y s t
H
P
U
H u m i d i f i s t
H u m i d i f i e r
H
P
S y s t
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| MRN4FP100 Amend 5 |
| MRN4FP101 Amend 5 |
| MRN4FP102 Amend 5 |
| MRN4FP104 Amend 5 |
| MRN4OA101 Amend 5 |
| MRN4OA102 Amend 5 |
| MRN4OA103 Amend 5 |
| MRN4OA104 Amend 5 |
| MRN4FR100 Amend 5 |
| MRN4FR101 Amend 5 |
| MRN4GP100 Amend 5 |
| MRN4GP101 Amend 5 |
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