LD7LGR_REFDWGS_FULL(13Apr2023).pdf

PDF 21 MB Posted Aug 15, 2023

Attached to: Lock & Dam 3 and Lock & Dam 7 Guide Wall Crib Repair
Solicitation number: W912ES23B0011
Issued by: Department of the Army Corps of Engineers Engineering District St Paul

About this file

Written by GovTribe AI · Dec 21, 2023

This document provides details on a federal solicitation for guide wall crib repair work on two locks and dams. The solicitation number is W912ES23B0011 and was issued by the Department of the Army Corps of Engineers Engineering District St Paul. The solicitation seeks bids for repair of the guide wall cribs at Lock and Dam 3 and Lock and Dam 7. Interested parties should review the 21MB PDF file for full details on the required repair work, response deadline, evaluation criteria, and terms of the award. Specific repair requirements, pricing terms, and an anticipated notice of award date are included in the solicitation document.

View the file

Other files

File	Type	Posted
W912ES23B0011 Bid Open Attendance.pdf	PDF	Sep 1, 2023
W912ES23B0011 List of Bids Received 31Aug23.pdf	PDF	Sep 1, 2023
B01 23B0011 Bid Abstract.pdf	PDF	Sep 1, 2023
BID OPENING INFORMATION W912ES23B0011.pdf	PDF	Aug 29, 2023
LD3ULG_REFDWGS_FULL(Apr172023).pdf	PDF	Aug 15, 2023
W912ES23B0011-0001 Amendment 1.pdf	PDF	Aug 15, 2023
W912ES23B0011_LD7_Plans.pdf	PDF	Jul 31, 2023
W912ES23B0011_LD3_Plans.pdf	PDF	Jul 31, 2023
W912ES23B0011 LD3 LD7 GUIDEWALL CRIB REPAIR.pdf	PDF	Jul 31, 2023

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WAR DEPARTMENT

Lower

Pool

DATE

A li

I I

910" r

El. 624.0

El. 637.0

EJ. 6340

El.631.0

FINISHED STRUCTURE AS OF APRIL 1935

CHARACTER

REVISIONS

See plan of pilaster

Pipe sleeve w rought ir Grout betwee

- 3 galv on n M pes

*49<J (k. Guide wall crib

Fibre Gondu, P

*-intake pio

r. wrought i

il. P

Rock fill

PLAN

SECTION A-A

e -25 galv ron

Ladder rungs-, bars-galvanize

El.634.5

1 dia.

El. 629.0

I---1 »

PLAN OF PILASTER

-0

Rock fill

LOWER GUIDE WALL

SCALE: 1'

_.CURRENT

EL 634 -5-J

Top of guide

4z 4

I.1 r--7

L _3 wall-EL 647.0

T--t

1 1

SECTION B-B

Pipe s w roug betwe leeve - 321 galv ht iron-Grout en pipes -

Intake pipe-25 galv. wrought ;ron

El.634.5

D f

PLAN

Rock fill

SECTION C-C

D r

Id-0

4'-6 -9. /9#2

El. 641.0

El. 6390

El. 6380

El. 624.0

Fibre conduit

Pine 2 x4, mitred at corners -

. K Guide wall crib

SECTION E-E

SCALE: 1 '= 1'-O"

Dowel bars-dia. extending

2-0' above well-spaced equally -

Top_of guide wall-E\. 647.0

Upper poo\

Fi bre conduit -8 r--7

1-b

1--1--

UPPER GUIDE WALL

L JI P

L_E/_-«,ff·9_

El. 634.5

-0

-1

- IC'

SECTION D-D

6 2'42«x

CORPS OF ENGINEERS, U.S.ARMY

3__ Anchor bolt--dia.x6 3 per angle

SECTION F-F

SCALE: 1=1-0

.- Ladder rungs -*dia.

17-.-Ts ba rs

Anchor bars -dia-26'

C. to C. alternating with vertical dowels.

El. 630.0

Genero I notes.- 0, Well to be Class A concrete.

Use dia. bars for reinforcing and dowels

All concrete below water surface may be tremied.

Reference:

Guide walls and cribs detailed on sheet-20/10.

MISSISSIPPI RIVER

LOCK & DAM NO. 7

LOCK

WATER STAGE RECORDER WELLS

12" 6" 1' ' ¥ 4' S

SCALE: 3/8 INCH=I FOOT

U.S. ENGINEER OFFICE, ST. PAUL, MINN.

APPROVED:

PRINCIPAL ENGINi32' CA-PT-,-

DRAWN BY: C. W. L.

TRACED BY; C.W. L.

CHECKED BY: J.W.V.

THIS SHEET SHOWS WORK AS ACTUALLY CONSTRUCTED

OCTOBER 1939

RPS OF ENGINEERS

M-L7 - 20/ 11 -FS

-F

1,1, IE

fil

627.0 321.-7" 35 33.8 29 11

417092 1 " 84 0 6.41 339 ' 0 30. , 82* 11 It

41 3.42 8 12" /04 Oa 630. 34 4 33.0 -r•• 326 4 "

-D 2" 72 n u '9 2 22 24' 70 " 4

C- • 1 „ 4 11 .O 30' 0.45 .9 " 24" 11

94175.92 14" 90' u ,< 32'-6* 3 353 * 5" 4

-/176.92 12" 71 4 u 30. 3510• 6 67 32 2424 4 "

4 to' 5 33.8 2 ' 11 It

C-• 1 9'2 6270 32- " 9 43.6 /5 ' 1 1, -#7932 12" 84 . 630.0 3418 ' 46 4(6.61 3#" • 11

/3 L * 30 30. 4 /9" n e

C- 11 Wr u 627.0 35r ' /* '"

D-# 05 ty 84 h , 33 1.10. 60 50.0 5" ir u u

41 342 Ry 79 11 630.0 36'-9. 30 30.0 18" u U

13" ' u 49.1 9 2' 4'2 • "

C- U / 21' 6270 '-8 47 42

105.928 M·" 1/" Ge 32 L /14. 66 53.4 1'7' u n

-118692 8 ' 4 1, 630.0 716" 55 47.2 1. #4 0 4

0 11 13 " to* Oak G 35L/ 4. 37 35.3.39 864. 11 4 -1/89.92 13" 10" a c, 30-0' 7 3 .3 4 7" 11 It

D-, ly 8" 00 33'-2¥' 71 55.8 ' 36" h u

4176.92 1 1 " 9 * 04 tled out be ore c crete was lace 5 A re oced.

-480.928 /12" 7 M n 0 11 u er of b ows 5 own o r as ukon mm r o.

5000 am

36" troke

15000 ft. 1 .8 er r b/ow

STEEL SHEET PIUNG

FROM TO

- REMARKS

STATION STATION

NO. ELEV. BEL1SHEETS

UEEEIiIEIZIiIKEIZIZEad:Ihli*:Ii-!*Eglimi2iai:1**i*1*E*&tilbEEEIiinEXIZIEEIKIE[KIZE?

19 1 2 )18 D (8 6 [4 0 0 nfilt) 9 6 1 8.5 4 3 2 2 1434-1 51 __. CURRENT

NOTE:-

Wood pWing location EB.9+58.

u record E 8.7-pp.4/,42. CAI] W u PA MONOU™ COVERED BY THIS REPORT

2 MONOUTHS COVERED BY PREVIOUS REPORTS

RI ACTUAL LOCATION OF MUNG

i LOCK 7 pq n,EORETICAL LOCATION OF FILING

MONO411,1-_LAYOUT

/EEZ:t,Fillitigiage/2 co I L.1.1-__LE-LL_-_El.1 -

N a M A. 0 TopofR

4 21 41 R N 12 k k %5

2 2 2 2 n n 4 01 0

4t0" 3 5 aces @ 5'-011510* 615.0.

UZZEZZm3EE!%mme!U!!i3mEZEr-----

Line D Al

O SECTION A-A

c b

O ---------1,- N

8 00

SECTION 8- B

TYPI CAL SECTIONS

Line A SCALE 1 = 10'

5-6" 3-0' ·-6„ 11,1,-

- Subgrade elevation 615.0 A 9 m Top of Rock , 625.0 2 09

45 ki 61 % 00 A le

0/ 4 4 -8 4 14 0 4

PLAN,

SCALE P= 6'

MISSISSIPPI RIVER

LOCK NO 7

FOUNDAT1ON RECORD

MONOLITH NO. L G -13

U. S. ENGINEER OFFICE, ST. PAUL.MINN.

SUBMITTED BY-O-'.,291,ma/hba,- AU*S. 1934

ROUND TIMBER PILING

-ErmirT-KINDErfrEEriNSTTEERIDEEFROMPLAN-PILE-irrAINDEmIENGTH-BLOWSINEBEARIDEV.FROU-PLANr-----------

REMARKS REMARKS

UNUMBERIBUTTITIPIOF *ouu, ELEV. |BEL.C.aILASTINTICARACITYI-N.-5. ETWI

4/6.52 8 13, 91 ' Oa 30.0.51 " 30 30.0I /" r No erted

PSA' \2\

PLS.

ROUND TIMBER PILING

PILE I KIND - LENGTH BLOWS IND. BEAR DEV. FROM PLAN PILE St IND.BEAR DEV. FROM PLAN

NUMBER np El-EV. BEL.C. LAST l CAPACITY N. S. E. W. NUMBER BUTT TI P CAPKIT N. S. E. W.

-929.92 4 9. 00 3 to*' 33 323T. ty 92" O e ed

- 11 it 2" 1 7 Oak 1, .- 1 1.1 8.3 21" 9

13" 81 " 627.0' »L 1 " 35 33.8 14'2 6" u u

-93090 8 IN£ to" Ma e '* 33'-G" 374 12"

-333428 12" 9" Oak 630.0 34-It' 30 30.0.64.14 11

' It" u 3 7* .2 5" 12" u

C-• 12" 2 , 6270 3/ 1 43.0 13" 12" 4

-935.92 8 /112" 8" u " 31'-6. 38 36.0 812" 12' s NOTE:- -936328 r 9" Ma e 630.0 344" 45.40.14 6" • • Wbod pi ling

8 - t' 12" 9" Oak 4. 30 30.0 12* h U

C- U 15" If" a e 627.0 3 10" 45 40.9 " 8, b 11

-939.928 12' '2' oa 300 3 r ' 2 6" " „ a

13" 2' R " - " 4.3 tr P 4

0 " /3' 9' 11 70 9'- 4 6.4 7" 11 0

-940.92 130.99 Ma e M 33'-7. 32 31.5 21 " /3" 1, 11

-543428.19 10' Ook 630.0 3418' U 5 33 13' 71 4 U

. 11 &44" 82. 4 3591" 3 33.8 6" 0 11 CO

0 . 12" j' u 67 35.8 u . 0 D-945.528 1 " /0 33'-6 ' 30.0 " 74 0 11

946.92 8 W " 72" . G30.0 30.7 6' •i, 10

- 11 9 9" P " 3594.32 345 0

- u 15" 7 r Ma e €270 34"7 7 ' 6", u 2 949928 13£ 92" Oak 630.0 5'-17 3/ 30.7 92" //# 0

8- u 13" * „ „ 5 -0" 9 29./ 89

0 11 i " U 20 32'- U" 5 " Ir U u

D-950.92 8 / " 8" R „ 30'-9 " 51 30.7 5' U U

-353.42 13' 9" • 630.0 344/" 37 5.3 G" e n n Line D /36' 2° 0 „ 9/" 30 .0 2 9124 4 11

0 • /20 9" , 6 70 219 . 30 30.0 . 5. 0 9

D. 55 09 0 10.41

-95632 14" 4 U 0.0 1 " 60 do e , N It

8- • /2' . 330 12" 12' 9% C 14'1 9 , 627:0 32:·O" 40 37 2" 4

- 59.92 1' .1 4 630.0 3G 345 5* "

8-,1 12'2" 7 2" 4 4" 50 442 1 '

0 1. 14" lo" 70 32- 2" 36 34.5

D-96052 9,1 4 11. 24 30.0 " "„

-%5.428 '2 100 h 630.0 3441" 60 7" }1 1 8

- 4 /4"74 11 11 3 9/4 3 32. 7" 64 u 4

C- 4 13't 9 2 u 7.0 35.-0' 40 7.4 3 ' 7" u n

D-%582 /4" /0" 4 46.6 # 7 • 4

- 928 3" '" u 30. 5 '-P' 40. .11· u , L ine A 4" 9" 4 1, LI" u -74 11 1,

- U /2 . 0, 6270 33'-1" 2.3 " 1, u e obow shown are for 105

V k n Ham er o.

5000 am FROM TO MFR S - LENGTH TOTAL

36" St oke Sl*TION STATION NO. ELEV. BEL.CO SHEETS

REMARKS

/5000 Al . ner e

N 1

STEEL SHEET PILING

,-12.LE-L!7"21252423 <(4 13211098765432

I I Ilili 1 1 1*1 1 1 1 1 1 11 )Re,+RE#ly 19 1 A. AthANA lbAR.6 8241,1, 86,U-1,:Cl ri __. CURRENT f i * R I i /3/ 7311 location F.B.9-pp.57,65 CAI] LgupA MONOU™ COVERED BY THIS REPORT record E 8.7-pp 29,30,4445,46. 2 DAONOUnS CCNERED IM •4£40)514£POWrS.

ACTUAL LOCATION 0F PIll NG

LOCK 7 L.1 - THEORETICAL LOCATION OF MUNG O

MONOUTH LAYOUT

- pof Crib

28 -TopofRoc

Em===3 620 N N N

W g & 63 Of m

2, Aze 0, 01 n

A 1 5 ace @ 5-04 35*-0" gZZE==2=ZE==INIZZE==gIZE=ZE==ZI

SECTION A-A

SECTION 8-8

TYPICAL SECTIONS

--------1'.--N ==-K=11= 2® 9. e 3.00 2@ 3-6* 5200 2@ 5'-6" bt/ 2@5-6"

A 5ubgrode elevation 6/5.0 M 00 9 7* offock 0 6230

Al N 63 m

B Q n m m

& 4 07 n

PLAN

SCALE. 10=6'

MISSISSIPPI RIVER

LOCK NO 7

FOUNDATION RECORD '

MONOLITH NO. LG-7

U. S. ENGINEER OF;ICE,

Sr. PAUL,MINN.

5 EPT.1934

-M - L 7- F D 126

REMARKS

-KIND ICUT-OFFILENGTHI BLOWS

OFWOODI ELEV. IBEL.C.aILAST INT.

REMARKS

L•

PSA' \2\

P't-5-

1 .

ROUND TIMBER PILING

PILE I KIND T- LENGTH BLOWS IND. BEA DEV. FROM PLAN SI IND.BEAR DEV.FROM PLAN

NUMBER TIP ELEV. BEL.C. LAST I CAP*CITY N. S. E. W. BUTT TIP CAP*CIT N. S. E. W

·689928 12" 74" a 630.0 32'-0" 40 -1.47. 7* of ef e

8- n /31' r ·11 11 34' . 6 52

K.1 ,4 11 11C- „ 13" 8" 4 7.0 35-6. 49.1 , D-69092 /3 ' 7" i, 33fc, 0 30 0 11" n

A-693.42 8 12' ' 7 " u 30.0 34'« 55 33.8 U H

1 * 10" ale „ 34-6- 49 43.6 /2. 11 4 c- n " 9" u 6270 34 41, 58 49. C 4 11 It

D-69532 15'2 9'1.04 " 3/16" 28 28.5 5' /" 11 H

NOTE:

-696928 14" 10" u 6 0. -0" 47 423 6" 1" • 4

, 11 36-0. 30 30.0 12' 7 ' 8 . Wood pilint /2 47" 6270 31-G " 30 50.0 2 "34 11 0 11

A-699.52 12'2" 89 " G30.0 34 3/ 30.7 3 •, N n

8- 11 „ " 3416 32 1.5.14 11 M

C- 1, 13" 7" 0 67.0 34' 7 353 'r 2 " 11 U

DloomB 129 1 . 11 3 LG" 30 0.0 11"

-70342 8 13 9 H 630.0 340* 27 27.5 8,2 "uu

8 - n 184.94 U • 34to" 63 1 6„ 11 0

0 • 12 ' 7,2 " 2ZO L64 32.3 5" " 11 11

-705.528 13' 8. U 1% 33'-Gh 28 283 5" 0 11 11

-76'6528 . n 6300

34'-0" 2 eli 46- n /2 0„

34'-06. 35 338 7 ,0

C- P 1264 " 4 6270 396" 33 32.3 -'" 7 11 0

-709928 1 .

1 k €30.0 36-0* 27 27.5 /2' 5 11 0

- g 127' '2" Oak „ 3€t 0. 28 29.3 P „

0 11 12' 8" i, 6270 32£6" 0 30.0•n V'

D-7/0.928 4 9.11 1, U 31'-6' 41 38.1 13" u u

A-713.42 8 14" 10" u G30O 3410. 2 293 /5 2t" 0 It , 8- 11 /4. 4 3.0 • ,. 11 4

a. 4 n G2ZO 3216" 33 32.3 6" 1/" 11 it L ine D

7 " W u t.£," 35 33 ,„ 1 U

116928 122 9" u 630.0 3," 32 3/- " 5" u M

8- u 17" W • 34-6" 52 454 3 . n

12" '· U 6270 33-Cr 32 3/.5 • 11

-719928 13" 8 " Ma h: 6300 5 " 50 44.2 9 220 11

8- B 12" 72' Oak H 34-0. 31 .7 l. 11 11 C

C- 14 /3 " 7' ' D €27.0 33* 34 33.0 5. 11 4

D-720.92 4" 10* a w 24. 7 3. 4 liu o u

-723.42 12. 8. a 63 33 -6• 33 323 /4 . 11 .

/2' 9" « 35-0 38.1 14'2 u u

O 4 /3" 9" 1 6270 33'-6" 32 /.5 3 * u "

-72592 /3" 9" i i, 3/ti" 32 3/.5 6" It M

-726.928 /42 9" 11 6300 5€* 2 38.8 3 " U 11 //4.90 8 3516. 35 2.9 2' 11 It

6270 52LG. 43 33.5 /2" u

Line A

-7, 652 12' 8<

FROM

STATION

36" 5troke 15 000 . . ener ro.

-Nu#*ef--of-El owi-*Rowriare-?NF-13*j.

STATION

Fl#RS=OFILINGTH 1 TOTAL

NO. 1 ELEV. |BEL.C.O,[SHEETS

REMARKS

]E [m*\ * 8 R R * 1 1 8 W'#3 0 8 li * 8 5 8 1 ,rnIZI r

I f g *m,=I li _L CURRENT

Vii, V 0

7 location E B.9-p. 54

CAIUPA MONOU™ COVERED BY THIS REPORT

record L.8.9-pp. 291032 1

MONOUTHS COVERED BY PREVIOUS REPORTS

ACTUAL LOCATION OF MUNG

LOCK 7

r--_-2EEZE©Z-Mt,==2 6290MONOUTH LAYOUT -*185-

4 4303 an

N N R 91 8

RA *09

4 4 22 'im*j,3381*kir£4ppa,losid,*-- 615.0 n A n n' 91 n . 1 -! = 21/ - U - *

7 5 ces@ 5-00=390'

SECTION A-A

1 a

2 0

41 -.

SECTION 8- 5

: TYPICAL SECTIONS

SCALE I = IO

0 -----JN

2®3-6 J-V 2@3!-60 3Lo" 2@ 30- 6" 50" 2@ 3'-6"

MISSISSIPPI RIVER

4 5ubgrode elevation 6/5.0 LOCK NO 7

R Tbp ar Rock n 625.0.

A 5 9 & FOUNDATION RECORD14! k 40

4 2 4 MONOUTH NO. LG-14. 91 4. 01 NEER OFFICE, ST. PAUL,MINN.

PLAN

SUBMITTED BYLZif*sMA=:L SEPT.,1934

SCALE 66'

- tr J

-- -- -I--P

REMARKS

PILE

NUMBER

KINi®0*OfENG¥HBLONS

OFWOOD] ELEV. ]BEL.C.aILAST INT4

REMARKS

5pliht,noved.

STEEL SHEET PIUNG

2018 2019 2020 2021 2022 2023

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

W I

N C

2013 2014 2015 2016 2017 2018

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

W I

N C

LOCK AND DAM NO. 7 UPPER AND LOWER GUIDE

WALL CRIB REPAIR

MISSISSIPPI RIVER

DAILY FLOW HYDROGRAPHS

JANUARY 01 - DECEMBER 31

2013 - 2022

SHEET NUMBER: 1 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

2018 2019 2020 2021 2022 2023

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

2013 2014 2015 2016 2017 2018

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

Notes:

1. The daily flow hydrographs are based on data collected by the U.S. Army Corps of Engineers at Lock and Dam 7. There are 64 years of record (1959-2022). The highest recorded flow occurred on April 21, 1965 (266,000 cfs).

2. These daily flow hydrographs are based on the best information available. These daily flow hydrographs represent the period shown, and do not necessarily represent all possible future conditions. Questions may be addressed to the office of the Corps of Engineers St. Paul, Minnesota.

LOCK AND DAM NO. 7 UPPER AND LOWER

GUIDE WALL CRIB REPAIR

MISSISSIPPI RIVER

FLOW DURATION CURVES

JANUARY - JUNE

1959 - 2022

SHEET NUMBER: 2 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

MARCH

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JUNE

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JANUARY

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

APRIL

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

FEBRUARY

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

MAY

Notes:

1. The monthly flow duration curves were derived using the U.S. Army Corps of Engineers Lock and Dam 7 daily flow data for the period January 1959 through September 2022. The 1965 event (266,000 cfs peak) is the flood of record.

2. These flow duration curves are based on the best information available. These flow duration curves represent the period shown, and do not necessarily represent all possible future conditions. Questions may be addressed to the office of the Corps of Engineers St. Paul, Minnesota.

MISSISSIPPI RIVER

FLOW DURATION CURVES

JULY - DECEMBER

1959 - 2022

SHEET NUMBER: 3 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

SEPTEMBER

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

DECEMBER

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JULY

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

OCTOBER

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

AUGUST

20,000 40,000 60,000 80,000

100,000 120,000 140,000 160,000 180,000 200,000 220,000 240,000 260,000

0 10 20 30 40 50 60 70 80 90 100

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

NOVEMBER

Notes:

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

W I

N C

2013 2014 2015 2016 2017 2018

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

W I

N C

LOCK AND DAM NO. 7 UPPER AND LOWER GUIDE

WALL CRIB REPAIR

MISSISSIPPI RIVER

DAILY POOL ELEVATION HYDROGRAPHS

JANUARY 01 - DECEMBER 31

2013 - 2022

SHEET NUMBER: 4 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

2018 2019 2020 2021 2022 2023

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

N I

N F

2013 2014 2015 2016 2017 2018

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

N I

N F

Notes:

1. The daily pool elevation hydrographs are based on data collected by the U.S. Army Corps of Engineers at Lock and Dam 7.

There are 74 years of record (1949-2022). The highest recorded pool elevation occurred on April 21, 1965 (647.65 feet).

MSL 1912 - 0.51 ft = NAVD 88 at Lock and Dam 7.

2. These daily pool elevation hydrographs are based on the best information available. These daily pool elevation hydrographs represent the period shown, and do not necessarily represent all possible future conditions. Questions may be addressed to the office of the Corps of Engineers St. Paul, Minnesota.

MISSISSIPPI RIVER

POOL DURATION CURVES

JANUARY - JUNE

1949 - 2022

SHEET NUMBER: 5 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

MARCH

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JUNE

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JANUARY

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

APRIL

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

FEBRUARY

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

MAY

Notes:

1. These monthly duration curves were derived using the U.S. Army Corps of Engineers Lock and Dam 7 daily pool elevation data for the period January 1949 through September 2022. MSL 1912 - 0.51 ft = NAVD 88 at Lock and Dam 7. Note pool elevation data exists prior to 1949 but was not used to compute duration curves due to a change in operation that occurred in 1948.

2. These elevation duration curves are based on the best information available. These elevation duration curves represent the period 1949-2022, and do not necessarily represent all possible future conditions. Questions may be addressed to the office of the Corps of Engineers St. Paul, Minnesota.

MISSISSIPPI RIVER

POOL DURATION CURVES

JULY - DECEMBER

1949 - 2022

SHEET NUMBER: 6 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

SEPTEMBER

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

DECEMBER

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JULY

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

OCTOBER

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

AUGUST

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

NOVEMBER

Notes:

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

W I

N C

2013 2014 2015 2016 2017 2018

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

W I

N C

LOCK AND DAM NO. 7 UPPER AND LOWER GUIDE

WALL CRIB REPAIR

MISSISSIPPI RIVER

DAILY TAILWATER ELEVATION HYDROGRAPHS

JANUARY 01 - DECEMBER 31

2013 - 2022

SHEET NUMBER: 7 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

2018 2019 2020 2021 2022 2023

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

N I

N F

2013 2014 2015 2016 2017 2018

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J

N I

N F

Notes:

1. The daily tailwater elevation hydrographs are based on data collected by the U.S. Army Corps of Engineers at Lock and Dam 7. There are 85 years of record (1938-2022). The highest recorded tailwater elevation occurred on April 21, 1965 (646.97 feet). MSL 1912 - 0.51 ft = NAVD 88 at Lock and Dam 7.

2. These daily tailwater elevation hydrographs are based on the best information available. These daily tailwater elevation hydrographs represent the period shown, and do not necessarily represent all possible future conditions. Questions may be addressed to the office of the Corps of Engineers St. Paul, Minnesota.

MISSISSIPPI RIVER

TAILWATER DURATION CURVES

JANUARY - JUNE

1938 - 2022

SHEET NUMBER: 8 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

MARCH

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JUNE

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JANUARY

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

APRIL

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

FEBRUARY

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

MAY

Notes:

1. These monthly duration curves were derived using the U.S. Army Corps of Engineers Lock and Dam 7 daily tailwater elevation data for the period January 1938 through September 2022. MSL 1912 - 0.51 ft = NAVD 88 at Lock and Dam 7.

2. These elevation duration curves are based on the best information available. These elevation duration curves represent the period 1938-2022, and do not necessarily represent all possible future conditions. Questions may be addressed to the

MISSISSIPPI RIVER

TAILWATER DURATION CURVES

JULY - DECEMBER

1938 - 2022

SHEET NUMBER: 9 of 9

LOCK AND DAM 7

HYDROLOGIC INFORMATION

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

SEPTEMBER

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

DECEMBER

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

JULY

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

OCTOBER

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

AUGUST

0 10 20 30 40 50 60 70 80 90 100

N I

N F

PERCENTAGE OF TIME EQUALLED OR EXCEEDED

NOVEMBER

Notes:

M-L7-20-1M-1

M-L7-20-10-1

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File details come from the government source that posted it. Updated Aug 15, 2023.