Amd 2 LQPGRP_C-105---.pdf
PDF 463 KB Posted
- Attached to
- Sluice Gate Installation at Lac qui Parle Dam
- Solicitation number
- W912ES20B0012
About this file
This drawing package and related solicitation provide details for a sluice gate installation project at the Lac Qui Parle Dam. The project involves constructing a dewatering box for pier extensions with slots and replacing the nine existing sluice gates and actuators with government furnished slide gates and actuators. Work will also include installing the pier extensions and bulkhead slots to serve as a new dewatering system, and storing the replacement gates and actuators approximately four miles from the dam. The solicitation is identified as number W912ES20B0012 and is issued by the Department of the Army Corps of Engineers Engineering District St Paul. The drawings specify requirements for the upstream cofferdam design and phased construction, including sheet pile sizes and connections, structural member sizes, and general notes.
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5' MIN
FOR LENGTH
SEE SHEET C-501
10' MAX SPACING
THICK STRUT (TYP)
14" O.D. AND 1/2"
(SM = 62 CU IN MIN)
SHEET PILE (TYP)
A1
C-501
A2
C-501
C4
C-502 C-501
C-501
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C-502
C3
A3 C4
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TYPICAL UPSTREAM COFFERDAM (PHASE 4)
PLAN
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BAY 2 BAY 1 EAST ABUTMENTBAY 3
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STRUTS SHALL BE INSTALLED AFTER SHEET PILES ARE INSTALLED.2.
IN COFFERDAM PHASE 4.
ALL SHEET PILES SHOWN ON THIS SHEET SHALL BE INSTALLED1.
NOTES:
AND CONCRETE CONSTRUCTION
PHASE 4 COFFERDAM STRUT INSTALLATION
COFFERDAM. INSTALL PRIOR TO
SHEET PILE CUTOFF FOR PHASE 5
~50'
(SM = 55 CU IN MIN)
W16x36 WALE (FCM, TYP)
(SM = 245 CU IN MIN)
SUPPORTING BEAM (FCM)
W30x90 STRUT
PRIOR TO SHEETPILE INSTALLATION.
AT BOTTOM. SUBMIT FOR REVIEW AND APPROVAL
CONCRETE OR OTHER MEANS TO ANCHOR AND SEAL
CONCRETE AND SEAL THE BOTTOM WITH TREMIE
CONCRETE, INSTALL THE SHEETPILE ON TOP OF
WHERE THE SHEETPILES ARE AT TOP OF EXISTING14.
FOR CONNECTING TO EXTENDED PIERS.
CONNECTION SIMILAR TO C4/C-502 SHOULD BE USED
ABOVE THE SLAB SHOULD NOT BE EMBEDDED, AND
EXTENSION SLAB WILL REMAIN. THE SHEETS
THE EMBEDDED SHEETPILE PORTION UNDER THE13.
IS COMPLETE. SEE C4/S-503 FOR TYPICAL DETAIL.
RESTORE BRIDGE DECK WHEN CONSTRUCTION
DEMOLITION OF BRIDGE DECK MAY BE REQUIRED.
EXISTING STRUCTURE (PIERS/ABUTMENT), LOCAL
FOR SHEETPILE INSTALLATION ADJACENT TO12.
CAN BE UP TO 4 FEET.
BELOW EL 936. DIFFERENTIAL WATER HEAD
INSTALLATION OF THE STRUTS UNLESS POOL IS
NOT BE LOWERED BELOW EL 932 BEFORE
THE INTERIOR COFFERDAM WATER ELEVATION SHALL11.
CORNER CONNECTION.
REFER TO DETAIL B4/C-502 FOR A TYPICAL SHEET PILE10.
THE SECTION PROPERTIES SHOWN ON THE DRAWING.
FINAL SIZING FOR STEEL MEMBERS SHALL NOT GO BELOW
SHALL FOLLOW APPLICABLE USACE DESIGN GUIDELINES.
ALL COFFERDAM DESIGN AND CONNECTION DETAILING9.
WALE SPLICES MAY BE WELDED AS REQUIRED.8.
HEADWATER ELEVATION IS ABOVE EL 936.
NO WORKERS SHALL ENTER THE COFFERDAM AREA IF
ELEVATION IS AT OR BELOW EL 936. UPON COMPLETION
INSTALLATION SHALL OCCUR ONLY IF THE HEADWATER
CONDITIONS (HEADWATER EL 936). COFFERDAM
BE CONSTRUCTED UNDER NORMAL HEADWATER
THE DESIGN OF THE COFFERDAM ASSUMES THAT IT WILL7.
ON SHEETS C-501 AND C-502.
COFFERDAM SECTIONS AND DETAILS MAY BE FOUND6.
FOR UPSTREAM COFFERDAM.
SEE SPECIFICATION SECTION 05 59 13 FOR REQUIREMENTS5.
FOR SHEET PILE AND STEEL SECTIONS SELECTED.
CONTRACTOR SHALL ADJUST DIMENSIONS AS REQUIRED
ON C-501, AND A3, A4 ON C-502.
SUPPORTING BEAM TO CONCRETE - A3, C3, A5, B5F.
THRUST NO LESS THAN 130 KIPS ALLOWABLE LOAD.
STRUT TO SUPPORTING BEAM - CONNECTION FORE.
LESS THAN 130 KIPS ALLOWABLE LOAD.
STRUT TO WALE - CONNECTION FOR THRUST NOD.
SHEET TO WALE WITH (2) 1" DIA A325 BOLTS.
SHEET PILE TO WALE - CONNECT EVERY OTHERC.
SHEET PILE TO CONCRETE - C4/C-502.B.
SHEET PILE TO SHEET PILE (CORNERS) - B4/C-502.A.
ARE AS FOLLOWS:
REQUIREMENTSSECTION 05 59 13. CONNECTION
FIELD-VERIFIED DIMENSIONS. SEE SPECIFICATION
AND STRUCTURAL STEEL SECTIONS SELECTED AND
LAYOUT FOR EACH PHASE 4-6 BASED ON SHEET PILE
CONTRACTOR SHALL DETERMINE THE SHEET PILE4.
SHEET SHALL BE FAILURE CRITICAL MEMBERS (FLCM).
SHAPES, PIPES, SHEET PILES, AND PLATES SHOWN ON THIS
CRITICAL (FCM), ALL STRUCTURAL STEEL INCLUDING
EXCEPT FOR MEMBERS IDENTIFIED AS FRACTURE 3.
FOR SHEET PILE LOADING NO LESS THAN 3 kip/ft.
WALES, STRUTS, AND BEAMS SHALL BE DESIGNED2.
ALL STEEL SHALL BE GRADE 50 OR HIGHER.1.
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GENERAL SHEET NOTES:
| LQPGRP_C-105--- |
| References |
| Border, PW_WORKDIR:d0665721 |
| LQPGRP_Border_G-BSDxxx.dgn |
Plan, LQPGRP_C-105---.dgn, Default
File details come from the government source that posted it. Updated .