Amendment 0005 Plans Changes.pdf
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- Solicitation number
- W912ES22B0010
About this file
This solicitation is for a firm fixed-price construction contract to complete repairs and construct a new end cell at Lock and Dam No. 4 on the Mississippi River in Alma, Wisconsin. The scope of work includes demolishing the existing gage house, concrete, and scour apron; conducting concrete repairs on the downstream wingwall; and constructing a new 33-foot-diameter sheet pile cell with tremie-filled concrete. The cell will act as a stay-in-place form for concrete placement and protect the guide wall from further deterioration. If construction occurs during navigation season, the contractor must provide a helper boat. The pre-bid estimate is between $5 million to $10 million. The solicitation is a total small business set-aside issued by the US Army Corps of Engineers St. Paul District. The NAICS code is 237990 and size standard is $45 million. The resulting contract will be firm fixed-price. Interested vendors must register in the System for Award Management to view the interested vendors list and be eligible for award. The response due date is listed on Contract Opportunities.
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A S
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6 3/4 " CLR
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1'-2"
L A
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SECTION - CORNER
SCALE: 1/2" = 1'
J7 J13
SCALE: 3" = 1'
DETAIL
SECTION - END CELL
SCALE: N.T.S.
A1
SECTION - PRECAST DOWELS
SCALE: 1" = 1'
A7
SECTION - PRECAST BEARING SHIMS
SCALE: 1" = 1'
A13
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4" CLR
EXIST. GUIDEWALL.
AND MATCH GRADE AT
FROM CENTER 0.01%
SURFACE DOWN
SLOPE CONCRETE
CORNER ARMOR (TYP.)
EL. 672.00
TOP OF END CELL
#9 @ 12" TYP.
EL. 667.00 TOP OF
4TH CONC. LIFT
#9 @ 12" - MATCH DOWELS
CONSTR. JOINT
FOR EXTENT OF WALL ARMOR
WALL ARMOR (TYP). SEE SHT. S-103
EL. 665.00 PILE CUT-OFF
EL. 662.00
TOP OF SHEET PILE
TOP OF 3RD CONC. LIFT
JOINT
CONSTR.
ARMOR PLATE
HORIZ. SPA. FROM VERT #9 BARS)
CELL PROJECT 5'-10". (6" MAX.
AROUND FACE OF ENTIRE END
#9x10'-4" LG. DOWEL @ 12"
HP16x121
EL. 652.00 TOP OF
1ST CONC. LIFT
EL. 657.50 TOP OF
2ND CONC. LIFT
EL. 659.59 NORMAL
LOWER POOL
HP16x121
EL. 628.00
TOE OF SHEET PILE
PS31 SHEET PILE
EXISTING RIVER BOTTOM VARIES
EL. 647 (±)
EXCAVATE TO EL. 647.00 WITHIN
LIMITS OF SHEET PILE CELL.
EL. 585.00 TIP, SEE SPECIFICATIONS
STEEL HP16x121
EL. 658.00 BOT. OF
ARMOR
PRECAST 5'-2" MIN.
PROJECT ABOVE
#8 DOWEL TYP.
CONSTR. JT.
AFTER PRECAST IS SET.
GROUT ANNULAR SPACE
W/ SHEET PILE FLUTES.
W/ #8 DOWEL COORDINATE
PRECAST TO ALIGN
PROVIDE SLEEVE IN
FINISH
RAKE
AT 5'-0" O.C
WITH HORIZ. SPA.
#6 - WALL ANCHOR
EL. 657.50
TOP OF LIFT
EL. 658.00
PROTECTION
CORNER
WALL UNIT
PRECAST
#7 @ 12" TYP.
#5 STIRRUPS @ 12"
(TYP)
ARMOR
WALL
EL. 662.00
TOP OF PRECAST
#9 @ 12" TYP.
(BELOW)
SHEET PILE
WALL UNIT (TYP)
ABOVE PRECAST
C #8 DOWELS PROJECTL
UNIT (BELOW)
PRECAST WALL
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WALL UNIT
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#9 CORNER BAR TO
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LEG FOR MC13'S.
CELL RADIUS. NOTCH
BEND TO MATCH END
/2" CONTINUOUS1L4"x4"x
(WHERE INDICATED)
/2"1MC13x50x6'-7
(WHERE INDICATED)
/4" COVER PLATE3
(WHERE INDICATED)
1" ARMOR PLATE
END CELL RADIUS
12" O.C CONT. BEND TO MATCH
WELDED HEADED STUD SPA. AT
5 W/ 1/2"1/2" x L6" x 3
EL. 662.00
17'-6" RAD.
JOINT
CONSTR.
INTERLOCK
SHEET PILE
AT EACH
PILE CELL
PS31 SHEET
CONSTR. JT.
3" CLR.
TYP. U.N.O.
FINISH
RAKE
AT 5'-0" O.C
WITH HORIZ. SPA.
#6 - WALL ANCHOR
EL. 657.50
TOP OF LIFT
SHIMS (TYP)
STEEL BEARIMG
EL. 658.00
WALL UNIT
PRECAST
EL. 662.00
TOP OF PRECAST
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US Army Corps
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0 1' 2'6" 0 1' 2'6"
S-305
J9 J13
S-501
J9
S-502
J1
S-502
J1
S-503
J1
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6"
13'-0"
3 SPA. @ 2'-6" = 7'-6"4'-0"2"
1'-7 1/4 "
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7 7/8 "7 7/8 "
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5'-0"
1'-6"
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J9
SCALE: 1 1/2" = 1'
DETAIL - SEC. OF ANCHORAGE STEEL PILE TO CONC. CAP
J15
SCALE: 1 1/2" = 1'
SECTION - DET. OF TOP STEEL PILE ANCH. TO CONC. CAP
A1
SCALE: 1" = 1'
SECTION - THROUGH REPLACEMENT CONCRETE APRON
A13
SCALE: 1/4" = 1'
SECTION
J1
SCALE: 3/16" = 1'
SECTION - CUT THROUGH NEW APRON CONCRETE SLAB
A7
SCALE: 1/2" = 1'
SECTION - Z-SHEET PILING CONNECT TO EXIST. WINGWALL
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#5 @ 12" O.C.
#5 @ 12" O.C.
SLOPE PER PLAN
EL. 652.00
EL. 651.00
APRON
EL. 650.00
PILING
Z-SHEET
EL. 637.00
EL. 660.50
EL. 656.00
EL. 650.00
EL. 665.00
WALL MONOLITH
EXISTING END
EL 656.00 TO EL 662.00
DREDGE MATERIAL
COMPACTED
FILL VOID WITH
Z-SHEET PILING
CONSTR. JT.
AROUND END CELL PERIMETER)
O.C. PROJECT 5'-10" (TYP.
#9 x 10'-4" LONG DOWELS @ 12"
CONSTR. JT.
CONSTR. JT.
COMPRESSION
SEAL
(TYP.)
#9 @ 12" O.C.
MATCH DOWELS
#9 @ 12" O.C. TYP.,
DOWN TO EL 662.00
EXPANSION BOARD
2" PREFORMED
ARMOR
CORNER
#9 @ 12" O.C. (TYP.)
CONSTR. JT.
EL. 672.00
TOP OF END CELL
EL. 667.00 TOP OF
4TH CONC. LIFT
EL. 662.00 TOP OF
3RD CONC. LIFT
TOP OF SHEET PILE
EL. 657.50 TOP OF
2ND CONC. LIFT
EL. 652.00 TOP OF
1ST CONC. LIFT
FOOTING
ALONG EXISTING
DRIVE SHEET PILE
FOOTING TO REMAIN,
HP 16x121
EL. 662.00
STUD (TYP.)
HEADED
LONG WELDED
EL. 665.00
1/4
(TYP.)
(14 TOTAL)
STUD (TYP.)
WELDED HEADED
HP 16x121
CONCRETE MIXTURE
LOW SLUMP MASS
EL. 672.00
EL. 665.00
EL. 660.00
EL. 652.00
EL. 657.00
EL. 668.25
SLAB
APRON CONCRETE
2'-0" THICK NEW
PILING
Z-SHEET
EL. 651.00
JOINT
EXPANSION
(TYP.)
WOOD PILING
EL. 637.00
EL. 656.00
SEE SEC. A1
REINFORCEMENT,
SLAB AND
APRON CONCRETE
EMBEDMENT INTO
FOR Z-SHEET PILING
RIPRAPFOOTING
EL. 655.00
EXISTING CONCRETE
GROUT 8" MIN. INTO
DRILL AND EPOXY
#6 BARS 3'-0" LONG @ 12" O.C.
SECTIONSECTIONSECTION
5/16
ANCHOR (TYP.)
FOOTING
WINGWALL
WINGWALL
Z-SHEET PILING
x 12" LONG
L6x6x3/8
EL. 652.00
EL. 650.00
EL. 651.00
®of Engineers
US Army Corps
U .S
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0 4' 8'2'0 1' 2'6"
8'0 4' 16' 1' 2'0 6"
0 2' 4'1'
J15
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(TYP.)
5"
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(TYP.)
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1'-6"
/1
3" 3 /8
(TYP.)
(TYP.)
3/8"x2 1/2"
PIPE HANDLE
NOTES 1 THRU 3
LADDER, SEE
PIPE
PRECAST CONCRETE
SUPPORT (TYP.)
3/8"x3" LADDER
BOLT (TYP.)
(TYP.)L 4"x4"x1/2"
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SCALE: 3/8"" = 1'
SECTION
A11
SCALE: 3/4" = 1'
DETAIL - LADDER WITH RETRACTABLE
H16
SCALE: 1" = 1'
SECTION - LADDER ATTACHMENT
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EL. 672.00
S-306 AND S-307
GAGE WELL, SEE S-104,
PIPE
PRECAST CONCRETE
42" DIA. CLASS III
END CELL
EL. 662.00
NORMAL
LOWER POOL EL. 659.59
EL. 659.00
EL. 658.00
OUTLET PIPES
EL. 657.00
EL. 647.00
DETAIL A11
LADDER, SEE
PIPE HANDLE
EL. 652.00 TOP OF
1ST CONC. LIFT
EL. 657.50 TOP OF
2ND CONC. LIFT
EL 672.00
EL 656.50
EL 656.75
EL 657.00
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US Army Corps
U .S
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4'0 2' 8'
2'0 1' 4'
0 1' 2'6"
MAKE (1) LADDER PER DETAILS A11 AND H16 THIS SHEET.3.
LADDER SHOWN PENDING APPROVAL OF CONTRACTING.
CONTRACTOR MAY SUBSTITUTE MANUFACTURERS STANDARD ITEM FOR 2.
GALVANIZE AFTER FABRICATION.1.
STRUCTURAL NOTES
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(A P
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(A P
P R
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6'-0"
31'-0"
4"
31'-0"4'-0"
15'-6"15'-6"
3'-0" 2'-0"
1'-6"
/8
3@2'-6" = 7'-6"4'-0"
18"
9'-4 7/16 "
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A1
SCALE: 3/16" = 1'
PLAN VIEW - EXISTING RETAINING WALL
SCALE: 3/16" = 1'
SCALE: N.T.S.
GAGE WELL
REMOVE EXIST.
COMPLETELY
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EL. 672.00
GUIDEWALL
TOP OF EXIT.
2 AND 3
MONOLITH, SEE NOTES
EXIST. TIE-BACK WALL
COMPLETELY REMOVE
CONCRETE APRON
2'-0" THICK
REMOVE EXIST.
25.8 SQ. FT. PER NOTES 4, 5 AND 6
PARTIAL DEPTH CONCRETE REPAIR
MONOLITH JOINT
NOTES 2 AND 3
GAGE WELL, SEE
REMOVE EXIST.
COMPLETELY
18" FOOTING
BOT. EL. 652.00
TOP EL. 681.58
EXISTING GAGE WELL,
18" FOOTING
EL. 655.00
FOOTING TO
REMOVE 18" WIDE
6'-0"
EL. 665.00
EL. 656.00
EL. 650.00
EL. 672.00
130.3 SQ. FT. PER NOTES 4, 5 AND 6
PARTIAL DEPTH CONCRETE REPAIR
EL. 650.00
EL. 656.00
EL. 660.50
EL. 665.00
EL. 668.00
EL. 672.00
AS-BUILT CONDITION
MATCH ORIGINAL
NEW CONCRETE TO
REPLACE WITH
CONCRETE AND
REMOVE EXISTING
EL. 652.00
EL. 681.58
®of Engineers
US Army Corps
U .S
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PARTIAL DEPTH CONCRETE REPAIR SHALL NOT EXCEED 561 SQ. FT.
CONCRETE CONDITION SURVEY PER NOTE #4 MAXIMUM QUANTITY OF
BE BASED ON A QUANTITY OF 267.6 SQ. FT. DEPENDING ON OUTCOME OF
7. CONTRACTOR’S BASE BID FOR PARTIAL DEPTH CONCRETE REPAIR SHALL
DAMAGE TO THE EXISTING STRUCTURE.
OTHER METHODS WILL NOT RESULT IN MICRO CRACKING OR OTHER
OTHER CONCRETE REMOVAL METHODS MAY BE USED PROVIDED THE
METHODS, SUCH AS SAW CUTTING AND HAMMERING (MAX 30 LBS.),
CONTRACTOR SHOULD USE CONVENTIONAL CONCRETE REMOVAL
IF FOR ANY REASON HYDRO-DEMOLITION CANNOT BE UTILIZED, THE
DAMAGING THE SOUND CONCRETE BEHIND THE DELAMINATED LAYER.
CONTROLLED WATER PRESSURE TO REMOVE CONCRETE WITHOUT
HYDRO DEMOLITION. HYDRO DEMOLITION USES EXTREMELY HIGH BUT
6. THE RECOMMENDED CONCRETE REMOVAL METHOD TO BE USED IS
BE SOUND AND ROUGHEN TO ¼ INCH AMPLITUDE.
PRIOR TO PROCEEDING. THE PREPARED CONCRETE SURFACES SHALL
INCHES THE CONTRACTOR SHALL INFORM THE CONTRACTING OFFICER
AND DETERIORATED CONCRETE REMAINS BELOW THE DEPTH OF FOUR
BE REMOVED TO A MINIMUM DEPTH OF FOUR INCHES. WHERE UNSOUND
INCHES. ALL UNSOUND AND DELAMINATED VERTICAL SURFACES SHALL
WITH STRAIGHT AND SQUARE CUT LINES TO A MINIMUM DEPTH OF FOUR
SURVEY. THE REMOVAL BOUNDARIES WILL BE INTO SOUND CONCRETE,
IDENTIFIED BY THE CONTRACTOR’S APPROVED CONCRETE CONDITION
UNSOUND CONCRETE ALONG THE VERTICAL SURFACES TO THE LIMITS
5. THE CONTRACTOR WILL REMOVE ALL CRACKED, DELAMINATED, AND
SUBMIT THE SURVEY FOR APPROVAL BY USACE.
NEEDS TO BE REMOVED, AND THE CONTRACTOR WILL BE REQUIRED TO
SURVEY WILL CONFIRM THE EXACT LOCATIONS WHERE CONCRETE
HAS OCCURRED SINCE THE LAST INSPECTION BY THE USACE. THIS
LOCATED PREVIOUSLY BY USACE AND ANY ADDITIONAL DAMAGE THAT
CONDITION SURVEY THAT WILL ACCOUNT FOR ALL CONCRETE DAMAGE
PRIOR TO REMOVAL, THE CONTRACTOR WILL PERFORM A CONCRETE 4.
COMMENCE UNTIL ALL UNSOUND CONCRETE HAS BEEN REMOVED.
ADDRESSED BY CONTRACT MODIFICATION. RECONSTRUCTION SHALL NOT
DETERMINED NOT TO BE THE RESULT OF DEMOLITION EFFORTS SHALL BE
REMOVAL OF ADDITIONAL CONCRETE WHICH WAS RENDERED UNSOUND AND
CONTRACTING OFFICER, SHALL BE REMOVED AT NO COST TO THE GOVERNMENT.
UNSOUND CONCRETE THAT RESULTS FROM DEMOLITION, AS DETERMINED BY THE
SUBMITTED FOR RECORD TO THE CONTRACTING OFFICER. ANY REMAINING
WHEN THE CONTRACTOR WILL TEST THE CONCRETE. FINDINGS SHALL BE
AREAS WITH A HOLLOW SOUND. THE CONTRACTING OFFICER SHALL BE NOTIFIED
INSPECTION SHALL BE SOUNDING WITH A GEOLOGIST’S HAMMER AND NOTING
CONCRETE SURFACES THAT REMAIN AFTER DEMOLITION. THE METHOD OF
INSPECT, IN THE PRESENCE OF THE CONTRACTING OFFICER, ANY AND ALL
UNSOUND CONCRETE WITHIN THE REMOVAL LIMITS. THE CONTRACTOR SHALL
DRAWINGS. THE SURFACES SHALL BE CLEANED AND FREE OF ANY LOOSE OR
3. THE CONTRACTOR SHALL REMOVE ALL CONCRETE TO THE LIMITS SHOWN ON THE
2. VERIFY ALL DIMENSIONS PRIOR TO CONCRETE REMOVAL.
1. FOR GENERAL STRUCTURAL NOTES, SEE SHEET S-001.
STRUCTURAL NOTES
8'0 4' 16' 8'0 4' 16'
S-309
A14
S-309
A1
S-309
A7
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File details come from the government source that posted it. Updated .