V8_23B0002_Plans_Amend001.pdf
PDF 1 MB Posted
- Attached to
- MNA Levee Drainage Pump Upgrade Federal contract opportunity
- Solicitation number
- W912EF23B0002
About this file
This set of engineering drawings and specifications is for upgrading drainage pumps at McNary Lock and Dam on the Columbia River in Oregon and Washington. The solicitation number is W912EF23B0002 and was issued by the U.S. Army Corps of Engineers Walla Walla District. The project involves replacing three existing pumps and associated intake and discharge piping at Pump Station 15C to match the existing mounting configuration and interface with the current electrical and control systems. The drawings provide details on the existing site and pump arrangement, dimensions for verifying clearances, and recommendations for installing the new pumps and coupling them to the existing piping. Notable requirements include using expansion couplings to accommodate misalignment, adding pressure gauges, and mounting the replacement pumps to penetrate and bolt through the concrete slab in the same locations as the existing pumps.
A laminated pump curve chart for the new pumps must also be installed on the wall of the pump station. Bidders should field verify all dimensions and ensure the new pumps can pass through the floor opening. The deadline to provide pricing was August 2023.
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Text version
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SCALE: 3/4" = 1'-0"
PLAN: PUMP STATION 15C
1' 0" 2' 0" 4' 0"0
NORTH
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SCALE: 1" = 1'-0"
DETAIL: PUMP MOUNTING
6" 1' 0" 2' 0"0
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ELEVATIONS ON THE SHEET.
MINIMUM SUBMERGENCE DEPTH, AND PUMP CONTROL SET POINT
WITH AND WITHOUT SIPHON. ALSO INDICATE MOTOR OPERATING AMPERAGE,
POINT, BASED ON THE PROVIDED PRESSURE GAUGE, FOR THE PUMP BOTH
CURVE SHALL BE PRINTED ON AN ANSI D SIZE SHEET. MARK THE OPERATING
PLACE A LAMINATED PUMP CURVE ON THE WALL BEHIND THE PUMPS. THE 7.
SYSTEM.
NEW PUMPS SHALL BE COMPATIBLE WITH THE PROVIDED ELECTRICAL 6.
OPENING.
UNVERIFIED. VERIFY THAT THE NEW PUMP CAN PASS THROUGH THE
THE DIMENSIONS FOR THE EXISTING PUMP FLOOR OPENING ARE 5.
SHOWN DIMENSIONS ARE APPROXIMATE AND SHALL BE FIELD VERIFIED.4.
ARRANGEMENT.
RECOMMENDATIONS AND AS REQUIRED TO MATCH THE EXISTING MOUNTING
PROVIDE MOUNTING HARDWARE IN ACCORDANCE WITH MANUFACTURER'S 3.
INSTALLED CONCRETE ANCHORS ARE NOT ACCEPTABLE.
IN ORDER TO FACILITATE A THROUGH BOLTING ARRANGEMENT. POST
EXISTING MOUNTING HOLES COMPLETELY PENETRATE THE CONCRETE SLAB
NEW PUMPS SHALL MATCH THE EXISTING MOUNTING ARRANGEMENT. THE 2.
AND ANGULAR MISALIGNMENT.
SHALL BE OF THE EXPANSION TYPE AND SHALL PROVIDE FOR LIMITED AXIAL
EXISTING DISCHARGE PIPING. FIELD VERIFY THIS DIMENSION. COUPLING
MAKE UP THE DISTANCE BETWEEN THE NEW PUMP ELBOW AND THE
PROVIDE A PIPE SPOOL ALONG WITH THE PUMP COUPLING AS REQUIRED TO 1.
GENERAL NOTES
EXISTING ITEMS
NEW ITEMS
LINE STYLE LEGEND
EL. 345.261
PUMP NO. 3
PUMP NO. 2
PUMP NO. 1
FLOAT WELL
3 TYPICAL.
TRANSDUCER. SEE SPECIFICATIONS
ADD PRESSURE GAGE & PRESSURE
3 TYPICAL.
PIPE TO EXISTING.
TO ADAPT NEW DISCHARGE
NEW DRESSER COUPLING
RECOMMENDATIONS (TYP)
EXISTING PIPE PER MFGR''S
ADAPT NEW PUMP TO
EXISTING INTAKE STRUCTURE
EXISTING PUMP STATION
REUSE EXISTING DISCHARGE PIPING
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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DIMENSIONS ARE APPROXIMATE, FIELD VERIFY
NOTE: DETAIL SHOWS EMBEDED MOUNTING PLATE AND ANCHOR LOCATIONS
M-302
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M-302
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MECHANICAL PUMP PLAN
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