A22 - PLAN_SET_AMND-2022-02-28-VOL108_MCLD_LWR_LEVEE.pdf
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- Attached to
- Cedar Rapids Flood Risk Management Project, Reach 1 McLoud Run Lower Reach Channel, Culverts and Levee
- Solicitation number
- W912EK22B0003
About this file
This document package includes plans and specifications for a federal construction contract opportunity with the U.S. Army Corps of Engineers. The project is the Cedar Rapids Flood Risk Management Project, Reach 1 McLoud Run Lower Reach Channel, Culverts and Levee in Cedar Rapids, Iowa. The project has three components that can be bid individually or together: the BASE includes demolition and construction of a new channel for McLoud Run; OPTION A includes access road improvements and installation of 96-inch culverts; and OPTION B includes construction of a new levee. The plans provide construction details such as site plans, sections, and notes. Bids for the work are due by December 2022 under solicitation number W912EK22B0003 issued by the USACE Rock Island District. The specifications require services such as clearing, excavation, concrete work, culvert installation, erosion control, and restoration.
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SITE ACCESS AND STAGING PLAN
SCALE: 1" = 100'
M .K
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(NOT IN THIS CONTRACT)
CEDAR LAKE PUMP STATION
VOLUME 111
WORK LIMITS
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SHAVER ROAD RECONSTRUCTION
VOL105
PROTECTION ALIGNMENT
REACH 1 FLOOD
CLOSED TO PUBLIC
CEDAR LAKE TRAIL
UNION PACIFIC RAILROAD
ALLIANT
ENERGY
SHAVER ROAD ACCESS
(NOT IN THIS CONTRACT)
MCLOUD RUN CHANNEL PROJECT
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UNION PACIFIC RAILROAD
100' 200'0
NORTH
PLAN
TRUE N
SHEET KEYNOTES
BERM.
METHOD WITH CONTRACTING OFFICER PRIOR TO REMOVING EXISTING
UNTIL FLOODWALL CONSTRUCTION IS COMPLETE. REVIEW PROPOSED
EMBANKMENT FILL, HESCO BARRIERS OR OTHER EQUIVALENT METHOD
PROTECTION TO THE EXISTING TOP OF BERM ELEVATION USING LEVEE
REMOVAL OF A BERM SEGMENT IS REQUIRED, PROVIDE TEMPORARY FLOOD
RUN: MINIMIZE REMOVAL OF EXISTING BERMS TO THE DEGREE POSSIBLE. IF
TEMPORARY FLOOD PROTECTION ALONG THE LOWER REACH OF MCLOUD 4.
PERSONNEL AT ALL TIMES DURING CONTRUCTION.
WAYS AND LOADING DOCKS FOR ALLIANT ENERGY VEHICLES AND
MAINTAIN CONTINUOUS ACCESS TO PARKING AREAS, ENTRANCES, ACCESS 3.
LIMITS BY OTHERS PRIOR TO CONSTRUCTION.
ALL ALLIANT MATERIALS AND EQUIPMENT WILL BE REMOVED WITHIN WORK 2.
CONSTRUCT IMPROVEMENTS FROM SOUTH SIDE OF CHANNEL.1.
TRAFFIC CONTROL FOR THIS CONTRACT.
REFER TO VOLUME 103 PLANS FOR WORK LIMIT LOCATIONS AND FOR OVERALL 7.
FENCE.
FENCING ALONG WORK LIMITS TO BE INSTALLED PRIOR TO REMOVING EXISTING
REMOVED, PROVIDE EQUIVALENT TEMPORARY FENCING ALONG WORK LIMITS.
MAINTAIN FENCING ALONG PRIVATE PROPERTY BOUNDARIES. IF FENCING IS 6.
ROUTES.
RESTORE PAVEMENT AND VEGETATION TO PRE-PROJECT CONDITION ALONG ACCESS 5.
METHODS, AND SUBCONTRACTOR COMMUNICATION PLAN.
TYPE, SPEED, AND CLEARANCE RESTRICTIONS, UTILITY POLE PROTECTION
OFFICER AND UTILITY OWNER'S REPRESENTATIVE; PLAN WILL INCLUDE VEHICLE
OVERHEAD UTILITY LINE PROTECTION PLAN FOR APPROVAL BY THE CONTRACTING
FOR ACCESS ROUTES WITHIN 40 FEET OF OVERHEAD UTILITY LINES SUBMIT AN 4.
CONTROL REQUIREMENTS.
SEE OVERALL DETOUR AND TRAFFIC CONTROL PLAN (GC106) FOR TRAFFIC 3.
AREAS.
NO PARKING OF VEHICLES ALONG PUBLIC ROADWAYS OR WITHIN PUBLIC PARKING 2.
LIMITS AND HAUL ROUTES.
CONSTRUCTION VEHICLES AND PERSONNEL SHALL STAY WITHIN DESIGNATED WORK 1.
GENERAL SHEET NOTES
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CLEAR AND GRUB / REMOVE TOP SOIL / WORK LIMITS
APPLY 6" TOPSOIL AND SEED TO LIMITS OF DISTURBANCEFISHING TRAIL RAMP
MCLOUD RUN
TOPSOIL AND SEED
APPLY 6"
APPLY 6" TOPSOIL AND SEED TO LIMITS OF DISTURBANCESTATION ACCESS ROAD
CEDAR LAKE PUMP
CEDAR LAKE PUMP STATION SERVICE YARD, SEE SHEET CLPS CG101
CLEAR AND GRUB / REMOVE TOP SOIL
APPLY 6" TOP SOIL AND SEED
CF305
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TYPICAL LEVEE SECTION - CEDAR LAKE PUMP STATION (STA 124+08.33 TO STA 126+50)
SCALE: HORIZONTAL 1" = 10', VERTICAL 1" = 10'
E1
TYPICAL LEVEE SECTION - CEDAR LAKE PUMP STATION (STA 121+00 TO STA 124+08.33)
GRADED DITCH.
UP THE SIDE SLOPES OF THE
THE BOTTOM AND EXTENDING 18"
PRODUCT TYPE 2.C OR 2.D ALONG
PROVIDE IADOT ROLLED CONTROL
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0 10 20 30 40 50 60 70 80 90 100 110-10-20-30-40-50-60-70-80-90-100-110
PROJECTED LEVEE PRISM (SEE NOTE 4).
CONSTRUCTION OF GAS LINE OUTSIDE OF
OVERBUILD LEVEE BY 4 FEET TO ALLOW
LEVEE EMBANKMENT FILL
TOP OF SHEETPILE 4 FEET INTO
NOTE 4
PRISM (BEYOND) SEE
PROJECTED LEVEE
FLOOD SIDEPROTECTED SIDE
3.2
3.2
WALL SEE NOTE 5
SHEET PILE CUTOFF SEE NOTE 7
BOTTOM OF EXCAVATION 718.0'
LIMITS OF PROJECTED LEVEE PRISM
REMOVE UNSATISFACTORY SOILS TO
GAS
GAS
GAS
GAS GAS
GAS
INSTALLED BY OTHERS
OPTIC LINE TO BE
10" GAS MAIN AND FIBER
NOTE 8
SEE
GRADE
DESIGN
PROJECTED LEVEE PRISM
SOILS TO LIMITS OF
REMOVE UNSATISFACTORY
EMBANKMENT
CONSTRUCT LEVEE
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170-10-20-30-40-50-60-70-80-90-100-110
FLOOD MITIGATION
ALIGNMENT CONTROL LINE
3.2
STATION SHORING (SEE NOTE 3)
POTENTIAL CEDAR LAKE PUMP
STATION SHORING (SEE NOTE 3)
POTENTIAL CEDAR LAKE PUMP
FLOOD SIDEPROTECTED SIDE
CEDAR LAKE PUMP STATION
(SEE NOTE 1)
EXCAVATE UNSATISFACTORY SOILS
STATION EXCAVATION SEE NOTE 2
POTENTIAL CEDAR LAKE PUMP
SEE NOTE 5 ON THIS SHEET
ON SHEET ST301 FOR LOCATION AND
SHEETPILE CUTOFF WALL SEE DETAIL
DESIGN GRADE SEE NOTE 8
SEE NOTE 7
BOTTOM OF EXCAVATION 714.0'
STATIONEXCAVATION SEE NOTE 3
POTENTIAL CEDAR LAKE PUMP
OF PROJECTED LEVEE PRISM
REMOVE UNSATISFACTORY SOILS TO LIMITS
FOR ILLUSTRATION PURPOSES (SEE NOTE 2)
EXCAVATION SLOPE WILL VARY - SHOWN AT 2H:1V
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10' 20'0
GENERAL SHEET NOTES
CONSTRUCTION STAGING WITH MIDAMERICAN GAS AND ALLIANT.
OPTIC IN THIS AREA UNTIL RELOCATED. COORDINATE LEVEE
SPECIFICATIONS. CONTRACTOR SHALL PROTECT EXISTING GAS AND FIBER
NO STEEPER THAN 4H:1V AND MATERIAL SHALL BE BENCHED PER THE
FIBER OPTIC RELOCATION. TRANSITIONS TO LEVEE FULL HEIGHT SHALL BE
TO ALLOW FOR MIDAMERICAN GAS MAIN RELOCATION AND FOR ALLIANT
LEVEE CONSTRUCTION FROM STA 120+50 TO STA 124+50 SHALL BE STAGED 9.
SEQUENCE AND OVERBUILD TO ACCOMMODATE SETTLEMENT.
SEE SHEET CF501 FOR INFORMATION RELATED TO CONSTRUCTION 8.
VERIFIED.
AND ACROSS THE WIDTH OF THE CROSS SECTION, AND MUST BE FIELD
BOTTOM OF EXCAVATION ELEVATION WILL VARY ALONG THE ALIGNMENT 7.
CF105 FOR ADDITIONAL INFORMATION.
TOP OF LEVEE ELEVATION VARIES BETWEEN 123+40 AND 126+46. SEE SHEET 6.
SEE SHEET CS602 FOR SHEET PILE CUTOFF ELEVATION CONTROL TABLE.5.
PRISM.
BEDDING TO BE INSTALLED BY OTHERS OUTSIDE OF PROJECTED LEVEE
AMERICA ON GAS LINE INSTALLATION. ALL PIPES, JOINTS, AND PIPE
SECTIONS BEFORE 122+25 AND AFTER 126+50. COORDINATE WITH MID
THE PROJECT LEVEE PRISM SHOWN IN DETAIL E1 REPRESENTS CROSS 4.
AND ALL UNSATISFACTORY SOILS ARE REMOVED.
MONITOR EXCAVATIONS IN THIS AREA TO CONFIRM EXCAVATIONS OVERLAP
CONSTRUCTION OF THE PUMP STATION. CONTRACTING OFFICER TO
MAY OVERLAP WITH UNSATISFACTORY SOIL REMOVAL COMPLETED FOR
UNSATISFACTORY SOIL EXCAVATION COMPLETED TO CONSTRUCT LEVEE
EXCAVATION OR SHORING TO BE DETERMINED BY CONTRACTOR.
DETAIL A1 ARE FOR ILLUSTRATION PURPOSES ONLY. METHODS USED FOR
CEDAR LAKE PUMP STATION EXCAVATION AND SHORING LIMITS SHOWN ON 3.
ADJUSTED FOR EXCAVATION STABILITY PURPOSES.
EXCAVATION AND LOCATION ALONG THE ALIGNMENT AND WILL NEED TO BE
DEWATERING. THIS SLOPE WILL LIKELY VARY DEPENDING ON DEPTH OF
SLOPE OF EXCAVATION WILL VARY DEPENDING ON SOIL CONDITIONS AFTER 2.
MATERIALS INTO EXCAVATIONS.
OFFICER APPROVAL IS REQUIRED PRIOR TO PLACEMENT OF FILL
OBSERVATION OF SOILS ENCOUNTERED IN THE FIELD. CONTRACTING
REMOVAL DEPTHS WILL BE ADJUSTED IN THE FIELD BASED ON
LIMITS THAT ARE SHOWN ON THIS PLAN SHEET ARE APPROXIMATE. SOIL
REMOVE UNSATISFACTORY SOILS. THE UNSATISFACTORY SOIL EXCAVATION 1.
1.5%
VOL118A
PAVING BY OTHERS
E3
CF505
BELOW UNSATISFACTORY SOIL REMOVAL SURACE)
(EXCAVATE THROUGH CLAY BLANKET AND 1 FOOT
CONSTRUCT LANDSIDE TOE DRAIN
BELOW UNSATISFACTORY SOIL REMOVAL SURFACE)
(EXCAVATE THROUGH CLAY BLANKET AND 1 FOOT
CONSTRUCT LANDSIDE TOE DRAIN
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