TDA Oil Accountability Contract Drawings - Vol 2c of 4.pdf
PDF 12 MB Posted
- Attached to
- THE DALLES OIL ACCOUNTABILITY MEASURES
- Solicitation number
- W9127N26RA004
About this file
These are engineering design drawings from the U.S. Army Corps of Engineers Portland District for the Dalles Lock and Dam, specifically detailing the oil accountability system for a Fish Unit Turbine Bearing Sump. The drawings (sheet M-305 and M-401) specify the installation of a new magnetostrictive level sensor in an existing stilling well, with precise requirements for sensor placement, including positioning the probe 1/2" - 1" from the bottom of the sump. Key installation notes emphasize maintaining cleanliness during work, avoiding contamination of oil-filled equipment, and coordinating fish unit outages with the Contracting Officer. The drawings include technical specifications for sensor installation, mounting details, and images showing existing sensor and cover plate configurations, with the project dated May 2025.
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Text version
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SEE NOTE 5.
CONTRACTING OFFICER.
READOUT ELEVATION WITH
ON TURBINE PIT WALL CONFIRM
LEVEL READOUT MOUNTED
EL 68.25
WALKWAY
FULL
LOW
CL DISTRIBUTOR
EL 56.0
C L S
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OIL LEVEL INDICATOR
ALL CONDITIONS. SEE NOTE 5.
THE BOTTOM OF THE SUMP. FIELD VERIFY
BOTTOM OF PROBE MUST BE 1/2" - 1" FROM
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GENERAL NOTES:
RESOURCE DRAWINGS:
TITLEDRAWING NUMBER
FOR DATES (USUALLY DECEMBER 10TH TO JANUARY 31ST.)
IN-WATER WORK PERIOD. CONSULT CONTRACTING OFFICER
8. FISH UNIT OUTAGES MUST BE COORDINATED WITH THE
BOTTOM SURFACE OF THE TURBINE GUIDE BEARING SUMP.
7. MAGNETOSTRICTIVE PROBE MUST BE 1/2” – 1” ABOVE THE
CONDITIONS PRIOR TO PURCHASE.
LOCATION WITH CONTRACTING OFFICER. FIELD-VERIFY ALL
SIGHTLINES FOR OPERATIONS PURPOSES. CONFIRM EXACT
HEAD ON TURBINE PIT WALL LOCATED WITH BEST AVAILABLE
MOUNTED HEAD WITH 25 FEET OF CABLE. MOUNT REMOTE
VIBRATION DAMPERS, HEX PLUG AND FLANGE, AND REMOTE-
INSERT WITH TRANSMITTER WITH NPT THREADED FITTING,
6. PROVIDE MAGNETOSTRICTIVE LEVEL SENSOR DIRECT PROBE
INFORMATION (GFI) TO BE PROVIDED IN A SERIAL LETTER.
INCLUDING BUT NOT LIMITED TO GOVERNMENT-FURNISHED
5. SEE ALSO SPECIFICATION SECTIONS 40 95 00 AND 22 00 00,
RECOMMENDATIONS.
EXCEED SENSOR MANUFACTURER INSTALLATION
FERRULE MECHANICAL GRIP FITTINGS, WHICH MEET OR
4. UNLESS OTHERWISE SPECIFIED, FITTINGS MUST BE TWO-
COVER PLATE MUST NOT ALLOW FREE AIR PASSAGE.
TURBINE OIL OR SUMP. AFTER REASSEMBLY, THE MODIFIED
SHAVINGS OR DUST OR DEBRIS OR FILINGS MAY ENTER THE
THE OIL-FILLED EQUIPMENT. NO LIQUIDS OR POWDERS OR
BE CLEANED PRIOR TO INSTALLATION OR ASSEMBLY ONTO
WHILE COVER PLATES IS REMOVED. COMPONENTS MUST
AIR-TIGHT COVERING FOR TURBINE GUIDE BEARING SUMP
OIL-FILLED EQUIPMENT. PROVIDE TEMPORARY CLEAN
TION WORK MUST BE PERFORMED AWAY FROM
OIL, IN ANY WAY. ALL FABRICATION WORK AND MODIFICA-
CONTAMINATES BEARING SUMPS, OR ANY OF THE TURBINE
GOVERNMENT MAY MOVE OIL. ENSURE THAT NO WORK
WILL NEED TO BE DRAINED FOR INSTALLATION. ONLY THE
3. IT IS NOT ANTICIPATED THAT THE TURBINE GUIDE BEARING
ALL CONDITIONS.
LOCATIONS WITH CONTRACTING OFFICER. FIELD-VERIFY
INFORMATION ONLY. CONFIRM EXACT INSTALLATION
2. THIS IS A CONCEPTUAL SKETCH. ALL DIMENSIONS ARE FOR
ANY PHOTOGRAPHS IN AS-BUILT SUBMITTALS.
1. BOLD/RED INDICATES EQUIPMENT TO INSTALL. DO NOT USE
DDP-20650-13
BEARING OF HYDRAULIC TURBINE
ARRANGEMENT OF OIL PIPING FOR MAIN
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IN EXISTING STILLING WELL
SENSOR WITH VIBRATION DAMPER
NEW MAGNETOSTRICTIVE LEVEL
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FISH UNIT TURBINE
NOT TO SCALE
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