TDA Oil Accountability Contract Drawings - Vol 1c of 4.pdf
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- Attached to
- THE DALLES OIL ACCOUNTABILITY MEASURES
- Solicitation number
- W9127N26RA004
About this file
These technical drawings are for the U.S. Army Corps of Engineers' Oil Accountability project at The Dalles Lock and Dam on the Columbia River. The documents detail sensor and equipment modifications for turbine bearing oil level monitoring across multiple units.
Key technical details include installing remote I/O racks to collect 4-20mA signals from sensors, placing equipment at specific elevations (such as 142.5' Cable Spreading Room and 111.5' Generator Floor), connecting to existing fiber network, and removing/replacing existing oil level float switches and fittings. The drawings provide precise schematics for Station Service Unit 01 and Fish Unit 01 turbine bearings, showing specific elevation markers, oil reservoir details, and compressed air supply configurations. The project appears focused on upgrading oil monitoring and accountability systems across the hydroelectric facility's powerhouse.
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INTAKE DECK EL. 185.0
NORMAL POOL EL. 160.0
GALLERY
PIPE
EL. 174.5
CONTROL ROOM
EL. 157.5
ROOM
CABLE SPREADING
EL. 142.5
SLUICEWAY
ICE & TRASH
EL. 129.5
STAIRS
MACHINE SHOP
BATTERY ROOM
(FRONT TO BACK)
EL. 111.5
ROOM
STORAGE
ROOM
VALVE
EL. 108.0
S.S. BAY
GENERATOR ROOM
EL. 79.2
STAIRS
SS XFMR VAULT
DC SWITCHGEAR ROOM
(FRONT TO BACK)
EL. 90.0
STAIRS
COMPRESSOR ROOM
STORAGE
(FRONT TO BACK)
ROOM
SS SWGR
EL. 76.5
PENSTOCK ROOM
EL. 56.0
ROOM
STORAGE
OIL
EL. 30.0
GENERATOR
EL. 90.0
EL. 72
EL. 36.0
EL. 111.50 TAIL RACE DECK
EL. 94.0
CHANNEL
TRANSPORTATION
FISH
CHANNEL
COLLECTION
FISH
EL. 63.5
CONDUIT
AUXILIARY WATER
EL. 29.25
EL. 40.25
EL. 15.75
UNWATERING SUMPS
EL. -20.0
EL. 59.0
LUNCH ROOM
OPTECH LAB, TELEPHONE ROOM
(FRONT TO BACK)
SEE NOTE 7
SEE NOTE 4
SEE NOTE 6
SEE NOTE 3
SEE NOTE 9
SEE NOTE 3
SEE NOTE 2
SEE NOTE 5
SEE NOTE 8
EL. 112.25
MIN. T.W. EL. 69.50
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GENERATOR FLOOR EL. 111.5'
KEY PLAN
SCALE: NONE
A N
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DDP-0-6-0/10 TRANSVERSE SECTION
GENERAL NOTES:
RESOURCE DRAWINGS:
10. THIS IS A CONCEPTUAL DRAWING.
NETWORK.
9. CONNECT REMOTE I/O RACKS AND HMI'S TO EXISTING FIBER
8. INSTALL NETWORK DROP EL. 174.5 9TH FLOOR OFFICE.
7. CONTROL ROOM WILL UTILIZE EXISTING SCADA I HMI FOR OMS.
SPREADING ROOM.
6. OMSPLC WILL BE LOCATED at EL. 142.5 CABLE
OMSVEW AT THIS LOCATION.
FLOW METERS ON THE EAST AND WEST BRANCH HEADERS.
5. OMSRSS WILL COLLECT 4-20mA SIGNALS FROM
THIS LOCATION WILL ALSO INCLUDE AN HMI CABINET.
SENSORS ON EACH TANK AS WELL AS OIL HEADERS.
4. REMOTE I/O RACK WILL COLLECT 4-20mA SIGNALS FROM
ARE LOCATED AT EL. 90.0.
1-14 ARE LOCATED ON EL. 111.5, UNITS 15-22
3. THE GOVERNOR ACCUMULATOR TANKS FOR UNITS
SENSORS AROUND THE UNIT.
2. REMOTE I/O RACKS WILL COLLECT 4-20mA SIGNALS FROM
1. INSTALL EQUIPMENT SHOWN BOLD/RED.
DRAWING NMBER TITLE
F L
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CABLE
LEGEND:
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NORMAL OIL LEVEL ELEV 70.08
ELEV 70.167
LC
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BEARING
IN FIELD
TO PIT LINER
TACK WELDED
CLAMPS TO BE
LEVEL SWITCH
PADS FOR OIL
IN FIELD DURING OPERATION
SWITCHES TO BE ESTABLISHED
EXACT SETTING OF FLOAT
REMOVE EXISTING FITTING
TURBINE WALKWAY ELEV 68.88
HIGH OIL LEVEL
CUT OFF POINT
LOW OIL LEVEL
CUT OFF POINT
REMOVE EXISTING FITTING
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RESOURCE DRAWINGS
TITLEDRAWING NMBER
2. VERIFY ALL DIMENSIONS AND FIELD CHECK ALL CONDITIONS.
1. BOLD/GREEN INDICATES EQUIPMENT TO BE REMOVED.
35358-06-02
SWITCHES & PIPING
BEARING OIL LEVEL FLOAT
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STATION SERVICE TURBINE BEARING DETAIL
NOT TO SCALE
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STATION SERVICE TURBINE BEARING
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LOW EL 56.00
CL DISTRIBUTOR
C L S
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LUBE OIL SP G=
OIL RESERVOIR
3/8" TUBE
EL 68.25
FURNISHED BY CUSTOMER
SUPPLY. MAX PRESS = 125PSI
3/8" TUBING FOR COMPRESSED AIR
AIR VENT
PURGE UNIT
CONOFLOW ROTAMETER
LINE TO PURGE UNIT
VALVE IN AIR SUPPLY
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2. VERIFY ALL DIMENSIONS AND FIELD CHECK ALL CONDITIONS.
1. ITEMS IN BOLD/GREEN IS EQUIPMENT TO BE REMOVED.
GENERAL NOTES:
RESOURCE DRAWINGS:
DDP-20650-13
HYDRAULIC TURBINE
BEARING LUBRICATION OF
ARRANGEMENT OF OIL PIPING FOR MAIN
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