Attachment 3 - Drawings Welding Repair Sheet.pdf
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- Solicitation number
- W9128F26QA017
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These are technical drawings for the repair of Barge 600's spud well located in Omaha, Nebraska, prepared by the U.S. Army Corps of Engineers, Omaha District, Missouri River Project Office in June 2019. The drawings provide plan views, elevation views, and cross-sectional details illustrating the existing damage and required repair specifications for a leaking spud well structure.
The repair work involves accessing and repairing damaged watertight corners on the spud well through an access panel cut into the interior bulkhead wall. The contractor must install full-length 3/4-inch thick by 6-inch wide angle iron reinforcement along the interior deck bottom to the top, welded on all four outside corners and tied together with centered 3/4-inch by 6-inch flat stock reinforcement in the middle of all four sides. All welds must achieve full penetration using E7018 electrodes with a proper root pass followed by a minimum of three additional passes, meeting structural, quality, and inspection standards for commercial marine repairs with no skip welding permitted. The work must be performed within a permit-required confined space in compliance with EM 385-1-1 and OSHA standards, including atmospheric monitoring and ventilation procedures. Lead-based paint must be removed prior to repairs, the barge must be dry-docked inland at the Missouri River Project Office during the repairs, and the access panel must be reinstalled and fully welded upon completion to restore the bulkhead to its original watertight condition.
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BARGE 600 - PLAN VIEW
BARGE 600 - SIDE ELEVATION VIEW
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WORK TO REPAIR LEAKING SPUDWELL
WORK TO REPAIR LEAKING SPUDWELL
PASSES ON ALL WELDED JOINTS. ALL WELDS SHALL MEET STRUCTURAL, QUALITY, AND INSPECTION STANDARDS FOR COMMERCIAL MARINE REPAIRS.
9. ALL WELDS SHALL BE PERFORMED USING E7018 ELECTRODES, WITH A PROPER ROOT PASS FOLLOWED BY A MINIMUM OF THREE ADDITIONAL
8. ALL REINFORCEMENT SHALL BE FULLY WELDED ON ALL SIDES WITH NO SKIP WELDING PERMITED.
THESE DRAWINGS.
SHALL BE WELDED IN THE MIDDLE OF ALL FOUR SIDES OF THE SPUD WELL TO TIE THE CORNER ANGLE REINFORCEMENT TOGETHER AS SHOWN ON ON ALL FOUR OUTSIDE CORNERS OF THE SPUD WELL AS SHOWN ON THESE DRAWINGS. CENTERED 3/4-ICH x 6-INCH REINFORCEMENT FLAT STOCK INTERIOR DECK AS SHOWN ON THESE DRAWINGS. FULL-LENGTH 3/4 INCH THICK x 6-INCH WIDE ANGLE IRON REINFORCEMENT SHALL BE INSTALLED
7. 3/4-INCH THICK x 6-INCH WIDE ANGLE IRON REINFORCEMENT SHALL BE WELDED TO THE BOTTOM OF THE INTERIOR DECK TO THE TOP OF THE
REINFORCEMENT.
FULL-PENETRATION WELDS SHALL BE APPLIED TO RESTORE STRUCTURAL INTEGRITY AND WATERTIGHT SPUDWELL BEFORE INSTALLING
6. THE DAMAGED AND LEAKING SPUD WELL CORNERS SHALL BE ACCESSED AND REPAIRED AS SHOWN ON THESE DRAWINGS.
TO ITS ORIGINAL WATERTIGHT CONDITION.
OF THE WORK THE REMOVED ACCESS PANEL MUST BE REINSTALLED AND FULLY WELDED BACK INTO PLACE TO RESTORE THE BULKHEAD
5. ACCESS MUST BE CUT INTO THE INTERIOR BULKHEAD WALL AS SHOWN BY THE CUT LINES ON THESE DRAWINGS. AT THE COMPLETION
4. LEAD BASED PAINT MUST BE REMOVED TO COMPLETE THE REPAIRS. SEE THE LEAD PAINT REQUIREMENTS IN THE CONTRACT PWS.
3. BARGE 600 WILL BE DRY-DOCKED INLAND AT THE MISSOURI RIVER PROJECT OFFICE FOR THE DURATION OF THE REPAIRS.
FOLLOWED AT ALL TIMES.
CONFINED SPACE ENTRY PROCEDURES INCLUDING ATMOSPHERIC MONITORING, VENTILATION, AND USE OF AN ATTENDANT SHALL BE ALL CONFINED SPACE ENTRY ACTIVITIES SHALL COMPLY WITH EM 385-1-1, 29 CFR 1926, 29 CFR 1910, AND OSHA DIRECTIVE CPL 2.100.
2. REPAIR OF THE DAMAGED LEAKING SPUD WELL WILL BE PERFORMED WITHIN A DESIGNATED PERMIT-REQUIRED CONFINED SPACE.
FIELD WITH THE COR IMMEDIATELY. ALL DIFFERENCES OR DISCREPANCIES SHALL BE ADDRESSED BEFORE PERFORMING THE WORK.
FROM THE DRAWINGS. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS ON THE DRAWINGS, ADVISE ALL DIFFERENCES OR CONCERNS IN THE
1. THE CONTRACTOR SHALL BECOME THOROUGHLY FAMILIAR WITH THE DETAILS OF THE WORK. ACTUAL DIMENSIONS IN THE FIELD MAY VARY
DRAWING NOTES:
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BARGE 600 - EXISTING PLAN VIEW
BARGE 600 - EXISTING SECTION 1 ELEVATION VIEW
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18 1/2 in
18 15/16 in
18 1/2 in2 1/4 in
EXISTING BARGE FRAME
DAMAGED WATERTIGHT CORNER TO BE REPAIRED
DAMAGED WATERTIGHT CORNER TO BE REPAIRED
EXISTING BULKHEAD WALL
EXISTING BARGE FRAME
BARGE SIDE WALL
BARGE TOP DECK
BARGE FLOOR DECK
EXISTING SPUD WELL
EXISITNG BARGE FRAME
FULL LENGTH FROM TOP TO BOTTOM
DAMAGED WATERTIGHT CORNER TO BE REPAIRED
18 1/2 in
64in
EXISTING BULKHEAD WALL
2 1/4 in
4in
4in
EXISTING SPUD WELL - SECTION 1
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1. SEE NOTES ON SHEET A01
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WELD CORNERS WATERTIGHT
WELD CORNERS WATERTIGHT
BARGE SIDE WALL
BARGE TOP DECK
BARGE FLOOR DECK
FOR FULL LENGTH OF SPUD WELL
WELD CORNERS WATERTIGHT
EXISTING BULKHEAD WALL
72in
6in
6in
27in
6in
27in
2 1/4 in
18 1/2 in 6in
FLAT STOCK
NEW 6"x3/4" REINFORCMENT
REINFORCEMENT
NEW 6"x6"x3/4" ANGLE
REINFORCEMENT
NEW 6"x6"x3/4" ANGLE
EXISTING BULKHEAD WALL
REINFORCEMENT
NEW 6"x6"x3/4" ANGLEREINFORCEMENT
NEW 6"x6"x3/4" ANGLE
BULKHEAD CUT LINE
BULKHEAD CUT LINE
BULKHEAD WALL CUT LINE
BULKHEAD WALL CUT LINE
SPUD WELL REPAIR - SECTION 1
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IDENTIFICATION
SHEET
OF ENGINEERS
US ARMY CORPS
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NO SCALENO SCALE
EXISTING BULK HEAD WALL - SECTION 3
6in 18 1/2 in 6in 12 15/16 in
6in
27in
6in
27in
6in
72in
REINFORCEMENT
NEW 3/4" X 6" ANGLE
REINFORCEMENT
NEW 3/4" X 6" ANGLE
FLAT STOCK
NEW 3/4" X 6" REINFORCEMENT
SPUD WELL REPAIR - SECTION 2
BULKHEAD WALL CUT LINE
72in64in
5 7/16 in
48in
BARGE SIDE WALL
BARGE FLOOR DECKBARGE FLOOR DECK
BARGE SIDE WALL
BARGE TOP DECK BARGE TOP DECK
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