Drawings - MRRP Fawn Island W9128F21B0015.pdf
PDF 5 MB Posted
- Solicitation number
- W9128F21B0015
About this file
This document summarizes an invitation for bid from the U.S. Army Corps of Engineers Omaha District for the Missouri River Recovery Program Fawn Island Bank Stabilization project. The solicitation number is W9128F21B0015 and will close on 2 September 2021. This project is restricted to small businesses and involves stabilization of approximately 1,100 linear feet of riverbank below the ordinary high water mark through extension of three existing dikes, construction of four new dikes, and installation of approximately 16,400 tons of new quarried rock riprap in various locations. Access and construction must take place entirely from the river using river-based equipment. The estimated value is between $1,000,000 and $5,000,000 and the construction duration is 730 calendar days after notice to proceed. The U.S. Army Corps of Engineers Omaha District will post all solicitation documents to SAM.gov.
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US Army Corps of Engineers
Omaha District
HARRISON COUNTY, IA
MISSOURI RIVER MILE 674
SOLICITATION NO. W9128F21B0015
FAWN ISLAND BANK STABILIZATION
MISSOURI RIVER RECOVERY PROGRAM
ADVERTISEMENT SET
AUGUST 2021
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A U
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LOCATION MAP
MINNESOTA
SOUTH DAKOTA
NEBRASKA
MISSOURI
IOWATHURSTON
CUMING
BURT
IDA
MONONA
CRAWFORD
SHELBYHARRISON
DODGE WASH-
INGTON
PROJECT LOCATION
VICINITY MAP
WOODBURY
COUNTY
HARRISON
COUNTY
BURT
COUNTY
MONONA
TEKAMAH
DECATUR
ONAWA
LITTLE SIOUX
MISSOURI VALLEY
PROJECT LOCATION
INDEX
FILENAME SHEET NO. DESCRIPTION
MRR9B001.dgn - COVER
MRR9C001.dgn C0.01 SHEET INDEX AND LOCATION/VICINITY MAPS
MRR9C101.dgn C1.01 GENERAL PLAN
MRR9C102.dgn C1.02 EXISTING CONDITIONS
MRR9C201.dgn C2.01 DIKE PROFILES AND TYPICALS
MRR9C301.dgn C3.01 RIVER FLOW AND ELEVATION DATA
MRR9C301.dgn C2.02 REVETMENT PROFILES AND TYPICALS
C0.01
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5 1005
51005
10051005
10101
10101010
726.93
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2+50
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5+00
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7+50
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10+00
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12+50
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15+00
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30+51
CRP WSE
MAY 2021 SURVEY
2019 SURVEY
4.
7'
.5
.7
.3
6.
4'
8.
9'
.2
7.
1'
.6
.0
.1
6.
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9.
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1+56
C1.02HORIZONTAL SCALE: 1" = 100'-0"
0 100'100' 50'
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3) SEE SHEET C202 FOR REVETMENT PROFILES AND TYPICALS.
AS WELL AS AN ESTIMATE OF CRP ELEVATION AT THE PROJECT.
2) SECTIONS BELOW SHOW 2019 AND MAY 2021 CONTOURS
1) PLAN VIEW SHOWS FALL 2019 1 FOOT CONTOURS.
NOTES:
726.60
ESTIMATED DEPTHS BASED ON MAY 2019 SURVEY
ESTIMATED DEPTHS BASED ON MAY 2019 SURVEY
04 MAY 2021 DEPTH ESTIMATES
EXISTING BSNP REVETMENT/DIKE
2019 EXISTING 1' MINOR CONTOUR
2019 EXISTING 5' MAJOR CONTOUR
LEGEND:
7.
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10251025
10251025
0+00 0+50 1+00 1+50
10251025
10251025
0+00 0+50 1+00 1+50
10251025
10251025
0+00 0+50 1+00 1+50
10251025
10251025
0+00 0+50 1+00 1+50 2+00
10251025
10251025
0+00 0+50 1+00 1+50 2+00
10251025
10251025
0+00 0+50 1+00 1+50 2+00
10251025
10251025
0+00 0+50 1+00 1+50 2+00
CENTERLINE PROFILE OF DIKE 1 CENTERLINE PROFILE OF DIKE 2 CENTERLINE PROFILE OF DIKE 3 CENTERLINE PROFILE OF DIKE 4
CENTERLINE PROFILE OF DIKE 5
CENTERLINE PROFILE OF DIKE 6
CENTERLINE PROFILE OF DIKE 7
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TYPICAL CROSS-SECTION
ELEV 1016'
ELEV 1016'
ELEV 1016' ELEV 1016'
ELEV 1016'ELEV 1016'ELEV 1016'
1.5
1.5
1.5
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1.5
1.5
5FT
1016'
ELEV
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HORIZONTAL SCALE: 1" = 50'-0"
0 50'50' 25'
VERTICAL SCALE: 1" = 5'-0"
0 5'5'
(MAY 2019)
EXISTING GROUND:
PROPOSED DIKE:
LEGEND:
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REVT 1
3+00
REVT 2
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REVT 3
10+00
REVT 4
11+50
REVT 5
13+00
REVT 6
14+75
5'
ANGLE OF REPOSE
MIN 8' (VARIES)
2.5'
MINIMUM 2.5 FT
ELEV 1018'
SHALL NOT IMPACT PRIVATE PROPERTY (DOCKS, STAIRS, ETC).
EXCESS OF 1019' (WHICHEVER IS LESS). DISPLACED MATERIAL
THE WATER LINE AT THE TIME OF WORK OR AN ELEVATION IN
AT NO TIME SHALL EXCAVATED MATERIAL BE PLACED ABOVE
THE SPECIFIED MINIMUM HEIGHT OF THE REVETMENT.
EXCAVATE THE TOE OF THE SLOPE TO ACCOMODATE
BASED OFF EXISTING GROUND, THE CONTRACTOR SHALL
HEIGHT OF THE REVETMENT CANNOT BE CONSTRUCTED
2) IF SEDIMENTATION HAS OCCURED SO THAT THE MIN 8'
THE RIP RAP SECTION.
UNIFORM GRADE LINE AT THE BANK LINE AT THE TOP OF
CONTRACTOR SHALL, AS MUCH AS PRACTICAL, PROVIDE A
THAT IS CONDUCIVE TO RIP RAP PLACEMENT. THE
THE AREA TO RECEIVE RIP RAP TO A FIRM, STABLE SLOPE
IS REQUIRED, HOWEVER, THE CONTRACTOR SHALL RESHAPE
LOOSE AND WET SOIL MATERIALS. NO NEW SOIL MATERIAL
CLEAR AND GRUB THE SLOPE AND SHALL EXCAVATE ALL
1) PRIOR TO RIP RAP PLACEMENT, THE CONTRACTOR SHALL
NOTE:
NOT TO SCALE
TYPICAL SECTION
STONE TOE REVETMENT
C2.02
HORIZONTAL SCALE: 1" = 50'-0"
0 50'50' 25'
VERTICAL SCALE: 1" = 5'-0"
0 5'5'
R E
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(MAY 2019)
EXISTING GROUND:
REVETMENT:
PROPOSED
LEGEND:
CRP WSE
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(Elevations based on monthly average flows.)
MISSOURI RIVER RECENT DAILY FLOW (CFS)
OPERATING PLAN, PLATE 3. (http://www.nwd-mr.usace.army.mil/rcc/aop.html).
BASED ON THE MARCH 15 SYSTEM STORAGE CHECK AS OUTLINED IN THE ANNUAL
FLOW SUPPORTS, EITHER FULL OR MINIMUM OR SOMEWHERE IN BETWEEN, WILL BE
THE FOLLOWING SPRING IN LATE MARCH. THE DETERMINATION OF NAVIGATION SEASON
9,000 CFS FOR AN EXTENDED PERIOD. NAVIGATION SUPPORT NORMALLY BEGINS AGAIN
ENDS, FLOWS WILL DROP OFF SIGNIFICANTLY AND GAVINS RELEASES MAY BE AS LOW AS
THE SITUATION RETURNS TO A MORE NORMAL CONDITION. ONCE THE NAVIGATION SEASON
DAM. FLOWS CAN REMAIN AT THESE ALTERED LEVELS FOR A SIGNIFICANT PERIOD UNTIL
OBJECTIVES SHOULD TRIBUTARY FLOWS INCREASE SIGNIFICANTLY BELOW GAVINS POINT
TO MEET SYSTEM FLOOD POOL EVACUATION NEEDS OR DOWNSTREAM FLOOD CONTROL
THIS REACH OF THE RIVER FLOWS CAN AT ANY TIME BE SIGNIFICANTLY ALTERED
PERIOD APRIL THROUGH OCTOBER. IT IS ALSO IMPORTANT TO UNDERSTAND THAT IN
THAN 25,000 CFS FOR PROLONGED DURATIONS OVER THE LAST FEW YEARS IN THE
APPARENT THAT THE RIVER BETWEEN SIOUX CITY AND OMAHA HAS FLOWED AT LESS
NORMAL RESERVOIR OPERATIONS AND DROUGHT CONSERVATION MEASURES. IT IS
DISCRETIONARY WHEN COMMERCIAL BARGE TRAFFIC IS NOT PRESENT AS PART OF
4. NAVIGATION SUPPORT FLOW RELEASES FROM GAVINS POINT DAM HAVE BECOME
TARGET LOCATION FOR NAVIGATION SUPPORT FLOWS BUT IS ASSUMED THE SAME.
SUPPORT FLOW IS 25,000 CFS AT BOTH OMAHA AND SIOUX CITY. DECATUR IS NOT A
NAVIGATION FLOWS ELIMINATED IF NECESSARY. THE MINIMUM SERVICE NAVIGATION
AT THE MOUTH ALTHOUGH NAVIGATION SEASON LENGTH MAY BE SHORTENED OR
SEASON. FLOW SUPPORT FOR THE TYPICAL NAVIGATION SEASON ENDS ON 1 DECEMBER
ABOVE 25,000 CFS FROM LATE MARCH TO LATE NOVEMBER DURING THE NAVIGATION
(35,000 CFS). MISSOURI RIVER DISCHARGES IN THE PROJECT VICINITY TYPICALLY ARE
SIOUX CITY AND OMAHA (25,000 CFS), NEBRASKA CITY (31,000 CFS) AND KANSAS CITY
3. NAVIGATION TARGET LOCATIONS AND MINIMUM NAVIGATION SUPPORT FLOWS ARE:
GAVINS POINT DAM, AND/OR HIGH TRIBUTARY INFLOW.
EXTREME HIGH OR LOW RIVER LEVELS DUE TO FLOODING, DROUGHT, OPERATION OF
CONTRACTOR OPERATIONS DURING THE CONSTRUCTION PERIOD MAY BE IMPACTED BY
RIVER CLOSURES OR OPERATION RESTRICTIONS DUE TO RIVER CONDITIONS.
THE CONTRACTOR SHALL ALSO CONSULT WITH THE COAST GUARD REGARDING POSSIBLE
INFORMATION ON http://www.nwd-mr.usace.army.mil/rcc OR CALL 402-996-3870.
2. THE CONTRACTOR SHALL CONSULT THE CURRENT RIVER FLOW AND STAGE
WILL SIGNIFICANTLY AFFECT SITE FLOW CONDITIONS IN ADDITION TO RESERVOIR RELEASES.
http://www.nwd-mr.usace.army.mil/rcc/. TRIBUTARY INFLOWS AND OTHER FACTORS
RELEASES ARE UPDATED ON A MONTHLY BASIS AND ARE AVAILABLE ON OUR WEBSITE ON
DURING THE PROJECT CONSTRUCTION PERIOD. FLOW FORECAST FOR RESERVOIR
CONSISTENTLY EXPERIENCES WIDE FLOW LEVEL VARIATIONS THAT SHOULD BE EXPECTED
1. ALL MISSOURI RIVER DATA IS PROVIDED FOR INFORMATION ONLY. THE MISSOURI RIVER
MISSOURI RIVER SEASONAL FLOW LEVEL NOTES:
THE PREVIOUS 17 YEAR PERIOD.
ERROR. INTERPOLATED OBSERVED DATA FROM NEAREST AVAILABLE LOCATION AT VARIOUS TIMES OVER
BY ONE OR TWO FEET OR MORE DUE TO NORMAL MISSOURI RIVER FLUCTUATIONS AND COMPUTATION
2. APPROXIMATE STAGE-FLOW RATING FOR INFORMATIONAL PURPOSES ONLY. ACTUAL VALUES WILL VARY
MISSOURI RIVER WATER SURFACE ELEVATION AT MIDDLE LITTLE SIOUX BEND (FAWN ISLAND)
RCC phone number: (402) 996-3870 http://www.nwd-mr.usace.army.mil/rcc (DCP IDS: DENE, OMA) http://waterdata.usgs.gov/nwis/rt
06601200 (DECATUR) AND 06610000 (OMAHA). THE WEBSITES ARE:
CORPS' RESERVOIR CONTROL CENTER (RCC). THE GAGE NUMBERS ARE
OBTAINED FROM THE US GEOLOGICAL SURVEY AS WELL AS FROM THE
1. INFORMATION FOR THE MISSOURI RIVER AT DECATUR AND OMAHA CAN BE
GENERAL NOTES:
N A
V D
RM 674.2 - 673.3
THIS DRAWING INCLUDED FOR INFORMATION ONLY
MONTHLYAVG MISSOURIR. FLOWS (cfs) ATPROJECT SITE MINIMUM DAILY FLOWS (cfs) AT
PROJECT SITE
DEC
NOV
OCT
SEP
AUG
JUL
JUN
MAY
APR
MAR
FEB
JAN
25% EXCEED EXCEED EXCEED50% 75%
DEC
NOV
OCT
SEP
AUG
JUL
JUN
MAY
APR
MAR
FEB
JAN
AREA CONTRIBUTING ABOVE THIS LOCATION.
OMAHA GAGES. APPROXIMATING FLOW BETWEEN THOSE GAGES WAS BASED ON THE AMOUNT OF DRAINAGE
FLOW VALUES FOR THIS RIVER BEND WERE DERIVED FROM DATA PUBLISHED FOR THE DECATUR AND
THE TWO TABLES ABOVE ARE "INFORMATION ONLY" FOR FLOWS AT THE ABOVE RIVER BEND.
C3.01
R
IV
E R F
L O
W A
N D E
L E
V A
T
IO
N D
A T
A
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File details come from the government source that posted it. Updated .