TDA Oil Accountability Contract Drawings - Vol 2c of 4.pdf

PDF 12 MB Posted

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THE DALLES OIL ACCOUNTABILITY MEASURES
Solicitation number
W9127N26RA004
Issued by

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

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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

File details come from the government source that posted it. Updated .