Plans W911WN20B8008- Amendment 0002.pdf
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- Solicitation number
- W911WN20B8008
About this file
This document package includes contract drawings and specifications for a federal construction contract opportunity with the U.S. Army Corps of Engineers Pittsburgh District. The scope of work involves repair and stabilization of cracks in two concrete river wall monoliths at Pike Island Locks and Dam on the Ohio River in West Virginia. Services required include installation of hollow core high strength steel bar anchors, pressure grouting of cracks, demolition and replacement of concrete sections, replacement of recess frames and covers, drilling and placement of reinforcement dowels, and other related construction activities. The contract will be firm-fixed-price with a period of performance of 365 days from notice to proceed. The estimated value is between $500,000 and $1,000,000. The solicitation number is W911WN20B8008 and bids are due on or around July 31, 2020 through the SAM website. The NAICS code is 237990 and the small business size standard is $39.5 million. Work will take place while the lock remains partially operational.
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US Army Corps of Engineers ®
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CONTRACT DRAWINGS
SHEET ID DRAWING TITLE
GENERAL
G-001 COVERSHEET
G-002 CONTRACT AND REFERENCE DRAWING INDEX
G-003 GENERAL ABBREVIATIONS
GENERAL
V-101 PROJECT DATA HORIZONTAL AND VERTICAL CONTROL
B-101 INSTRUMENTATION AND MONITORING - PLAN
C-101 CONTRACTORS WORK LIMITS
SURVEY AND RECREATION - HYDROGRAPHIC SURVEYS
V-601 UPPER POOL STAGE HYDROGRAPHS 2011 - 2015 INCLUSIVE
V-602 UPPER POOL STAGE HYDROGRAPHS 2016 - 2019 INCLUSIVE
V-603 LOWER POOL STAGE HYDROGRAPHS 2011 - 2015 INCLUSIVE
V-604 LOWER POOL STAGE HYDROGRAPHS 2016 - 2019 INCLUSIVE
V-605 STAGE DURATION CURVES
LOCK - LOCK MASONRY
SD101 MONOLITHS R-33 & R-34 - REMOVAL PLAN
S-101 MONOLITHS R-33 & R-34 - RECONSTRUCTION PLAN & SECTION
S-102 MONOLITH R-33 - REINFORCEMENT PLAN & SECTION
S-103 MONOLITH R-34 - REINFORCEMENT PLAN & SECTION
S-201 MONOLITH R-33 - PROPOSED ANCHOR LOCATIONS - ELEVATION AND SECTION
S-202 MONOLITH R-34 - RIVER SIDE - PROPOSED ANCHOR LOCATIONS - ELEVATION AND SECTION
S-203 MONOLITH R-34 - CHAMBER SIDE - PROPOSED ANCHOR LOCATIONS - ELEVATION AND SECTION
S-204 COLD JOINT ANCHORS - SECTIONS AND DETAILS
S-205 NEW BULHEAD GRATING AND FRAMING
S-206 CRACK REPAIR EXTENTS AND SECTIONAL PLAN
S-207 UTILITY TRENCH COVER DETAILS
LOCK - ELECTRICAL SYSTEMS
E-101 POWER RECEPTACLE RECESS REPLACEMENT - PLAN AND SECTIONS
REFERENCE DRAWINGS
DWG_
CODE
SHEET ID DRAWING TITLE
LOCK - LOCK MASONRY
420 O-LPI-20/2.6 LOCK WALLS - PLAN - UPPER END
420 O-LPI-20/4.5 LOCK WALLS - ELEVATIONS - UPPER END
420 O-LPI-20/6.4 LOCK WALLS - SECTIONS - UPPER END
FLOW
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EXISTING UTILITY TRENCH
A1 S-101
G13 S-201
S-203
G1
R33 MONOLITH
R34 MONOLITH
J13 S-203
H1 S-205
K15 S-102
NEW ELECTRICAL RECESS
NEW 36" PUMP WELL FRAME AND COVER
NEW EXPANSION JOINT MATERIAL AND JOINT SEALANT
NEW EXPANSION JOINT MATERIAL AND JOINT SEALANT
NEW CONCRETE CAP MONOLITH R33
NEW CONCRETE CAP MONOLITH R34
NEW BULHEAD RECESS FRAMING AND GRATING
GROUTED CRACK
NEW UTILITY TRENCH COVER
TO BE LOCATED WHERE ANY
EXISITING TRENCH COVER IS
TO BE REPLACED
G13 S-202
A1 S-203
S-205
H10
S-205
D1
35'-3" +/-2" 25'-0" +/-2"
5'-2" +/-2"
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G2
T/WALL
EL 655.58'
EXISTING UTILITY
TRENCH
EXISTING MONOLITH CRACK TO HAVE ANCHORS
TENSIONED AND THEN CRACK INJECTION
GROUTED BEFORE PLACEMENT OF NEW
CONCRETE
RIVER FACE OF WALL
CHAMBER
FACE OF
WALL
SURFACE SLOPING PROFILE FOR
DRAINAGE MUST MATCH EXISITNG SLOPE
NEW CONCRETE CAP
3'-10" 5'-10"
36'-0"
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SCALE: 1/4" = 1'-0"
FINISHED LOCK WALL PLAN
D1
SCALE: 3/16" = 1'-0"S-101
D1 FINISHED LOCK WALL SECTION
A1
8'0 4' 16'
SCALE: 3/16"=1'
1. CONTRACTOR TO VERIFY EXISTING CONDITIONS AND NOTIFY CONTRACTING OFFICER OF ANY DISCREPENCIES PRIOR TO START OF
CONSTRUCTION.
2. SEE DRAWING S-206 FOR DETAILS OF CRACK GROUTING.
3. THE EXISTING MONOLITH CRACK SHALL HAVE ANCHORS TENSIONED AND THEN THE CRACK INJECTION GROUTED BEFORE
PLACEMENT OF NEW CONCRETE CAP.
4. NEW UTILITY TRENCH COVERS ARE TO BE LOCATED WHERE ANY EXISITING TRENCH COVERS ARE DAMAGED AND TO BE REPLACED.
5. THE DECISION OF IF A TRENCH COVER IS BROKEN AND TO BE REPLACED SHALL BE MADE BY THE CONTRACTING OFFICER
REPRESENTATIVE.
6. THE SURFACE SLOPE PROFILE OF THE NEW CONCRETE MUST MATCH THE EXISTNG SLOPE OF THE TOP OF WALL FOR DRAINAGE.THE CURRENT TOP OF WALL IS SLOPED AT 1/4" PER FOOT FROM THE CHAMBER TO THE RIVERSIDE EDGE. NEW CONCRETE CAP SHOULD BE FINISHED TO MATCH THIS SLOPE ALONG WITH SLOPING AWAY FROM RECESS GRATING AND COVERS. NO STANDING WATER ON THE NEW CONCRETE CAP SHALL BE ALLOWED. ALL WATER SHALL DRAIN TOWARD THE RIVER SIDE OF THE WALL.
7. THE REFERENCE DRAWINGS ARE BASED ON LEGACY VERTICAL DATUM, AND THE CONTRACT DRAWINGS ARE BASED ON NAVD88 VERTICAL DATUM WHICH IS APPROXIMATELY 0.42 FEET LESS THAN THAT SHOWN ON THE REFERENCE DRAWINGS.
NOTE:
EXISTING MAINTENANCE RECESS
EXISTING LIGHT POST
EXISITNG DRAINS IN UTILITY TRENCH
EXISITNG
MECHANICAL
RECESS
0 4' 8'2'
SCALE: 1/4"=1'
OPEN SPAN CLEARANCE BEWTEEN ALUMINUM ANGLES OF FRAME
18'-3 1/2"
TYP. 1'-0"
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TYP. 1'-0"
4'-3 1/2" OPEN SPAN CLEARANCE BETWEEN ANGLES
T/WALL
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L 2" X 2" X 1/4"
6061 ALUMINUM
ANGLE
TYP. GAP
1/4"
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120°
FRAME TO BE FLUSH WITH
SURFACE OF CONCRETE
BANDING BAR
ALUMINUM GRATING
2 9/32"
BENT 6061 ALUMINUM ANCHOR
BEARING BAR SPAN
4'-3"
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L2" X 2" X 1/4" ALUMINUM
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1/8
TYP.
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SPAN CLEAR DISTANCE HOLE ID
3'-0"
PUMP WELL ALUMINUM GRATING
SHALL WEIGH LESS THAN 100LBS
PLACE PUMP WELL FRAMING AND GRATING
LEVEL WITH TOP OF LOCK WALL CONCRETE
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SCALE: 1/2" = 1'-0"
BULKHEAD GRATING AND FRAME 3D VIEW
B10
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BULKHEAD GRATING AND FRAME PLAN VIEW
L1
SCALE: 1 1/2" = 1'-0"
BULKHEAD GRATING AND FRAMING ELEVATION VIEW
A1
1. COAT ALL SURFACES OF ALUMINUM IN CONTACT WITH CONCRETE
WITH ASPHALT BASE EMULSION.
COATING NOTE:
NOTE:
1. CONTRACTOR SHALL FIELD VERIFY EXISTING CONDITIONS PRIOR TO
THE START OF WORK AND NOTIFY THE CONTRACTING OFFICER OF
ANY CONFLICT.
2. THE ALUMINUM GRATING MUST MEET THE ANSI/NAAMM MBG 531-17
LOAD RATINGS FOR TYPE P-19 GRATING WITH A MINIMUM UNIFORM
LOAD RATING OF 300LB/SF AND A CONCENTRATED LOAD RATING OF
1000LB.
3. THE GRATING PANELS SHALL BE 1-3/4" DEEP WITH 1/4" THICK BEARING
BARS AT 1-3/16" C/C AND CROSS BARS AT 3" TO 4" C/C.
4. THE MAXIMUM WEIGHT OF EACH GRATING PANEL SHALL BE LIMITED
TO 100LBS.
5. THE CLEAR DISTANCE THE BULKHEAD SLOT GRATING PANELS MUST
SPAN IS 4'-3".
6. THE WALKING SURFACE OF THE GRATING PANLES SHALL BE SERATED
FOR NON-SLIP TRACTION.
7. ALL GRATING PANEL EDGES ARE TO BE LOAD BANDED.
8. CONTRACTOR MUST SUPPLY A MEANS OF ANCHORING THE GRATING
TO THE FRAMING IN THE FORM OF REMOVABLE STAINLESS STEEL
SADDLE CLIPS PER ANSI/NAAMM MBG 531-17. PROVIDE A MINIMUM OF
4 GRATING ANCHORS PER PANEL.
9. ALL METALS USED IN THE GRATING AND FRAMING ASSEMBLY MUST
CONSIST OF A SIMILAR ALUMINUM TO MINIMIZE GALVANIC CORROSION
BETWEEN DISSIMILAR METALS.
10. THE BENT ALUMINUM ANCHORS CONSTRUCTED AS SHOWN ON THE
VEIWS SHALL BE WELDED TO THE L2" X 2" X 1/4" 6061 ALUMINUM
ANGLE FRAME AND ARE TO ALTERNATE VERTICAL AND HORIZONTAL
DIRECTIONS AS SHOWN IN THE VIEWS.
11. ALL ALUMINUM WELDS SHALL MEET THE REQUIREMENTS OF AWS
D1.2 - D1.2M.
12. GRIND WELDED SURFACE FLUSH ON INSIDE OF GRATING BEARING
FRAME TO ASSURE GRATING SITS FLUSH.
13. THE REFERENCE DRAWINGS ARE BASED ON LEGACY VERTICAL
DATUM, AND THE CONTRACT DRAWINGS ARE BASED ON NAVD88
VERTICAL DATUM WHICH IS APPROXIMATELY 0.42 FEET LESS THAN
THAT SHOWN ON THE REFERENCE DRAWINGS.
COAT ALL SURFACES OF ALUMINUM
IN CONTACT WITH CONCRETE
WITH ASPHALT BASE EMULSION
0 2' 4'1'
SCALE: 1/2"=1'
1' 2'0 6"
SCALE: 1-1/2"=1'
2'0 1' 4'
SCALE: 3/4"=1'
SCALE: 3" = 1'-0"
GRATING AND FRAMING SECTION
H1
SCALE: 1 1/2" = 1'-0"
GRATE PANEL DETAIL
H10
SCALE: 3" = 1'-0"
BULKHEAD GRATE FRAME CORNER DETAIL
D1
6"0 3" 1'
SCALE: 3"=1'
6"0 3" 1'
SCALE: 3"=1'
1' 2'0 6"
SCALE: 1-1/2"=1'
ANCHORS ALTERNATE BETWEEN
HORIZONTAL AND VERTICAL
ATTACHMENT POINTS ON FRAME SCALE: 1" = 1'-0"
PUMP WELL COVER
B17
0 1' 2'6"
SCALE: 1"=1'
SCALE: 1" = 1'-0"
PUMP WELL COVER FRAME
E17
0 1' 2'6"
SCALE: 1"=1'
| Sheets |
| G-002 - CONTRACT AND REFERENCE DRAWING INDEX |
| S-101 - MONOLITHS R-33 & R-34 - RECONSTRUCTION PLAN & SECTION |
| S-205 - NEW BULHEAD GRATING AND FRAMING |
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