RFRMUH11_C-503det_22X34.pdf

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Roseau Flood Risk Management, Reach 1A, Roseau, Minnesota
Solicitation number
W912ES-13-B-0008
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Revised Drawing C-503 22X34

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Bc

/2 B c

P

IP

E E

M B

E D

M E

N T Z

O N

E Bc

P

IP

E E

M B

E D

M E

N T Z

O N

E

MAX = Bc + 45"

MIN = Bc + 30"

MAX = Bc + 45"

MIN = Bc + 30"

" CRUSHED ROCK4

ROCK BEDDING

PIPE

PIPE

GRANULAR BEDDING

GRANULAR BEDDING

OR SEW SEAMS

OVERLAP SEAMS A MINIMUM OF 24 INCHES

WRAP ROCK BEDDING IN TYPE III GEOTEXTILE

3' MIN.

HDPE PERFORATED PIPE

12" CORRUGATED

" 9

MNDOT 3149.2H

COARSE FILTER AGGREGATE

4" TOPSOIL & SEED

15'6'

(3"-12" SIZE)

12" RIPRAP

9" BEDDING B1

4" TOPSOIL AND SEED

SAND

VENTED PVC CAP

TOP OF CASING WITH

2" SCH 40 PVC RISER PIPE

AND SLURRY PUMP

INSTALLED WITH TREMIE PIPE

HYDRATED BENTONITE SLURRY

HYRATED BENTONITE GRANULES

#45 / 55 FINE SAND

SAND PACK

#30 FLINT SAND

FILTER PACK

0.010" CONTINUOUS SLOT

2" SCH 40 PVC WELL SCREEN

.5

8"

V A

R

IE

S

ELEV. VARIES

EXISTING GROUND

SLOPE AS NEEDED

BENEATH BEDDING B1

NON-WOVEN GEOTEXTILE

NON-WOVEN GEOTEXTILE (SEE NOTES).

WRAP COARSE FILTER AGGREGATE WITH

NOTE:

1.5

1.5

BENEATH ALL LEVEES UNLESS OTHERWISE SHOWN ON PLAN AND PROFILE.

1. PIPE BEDDING AND TRENCH BACKFILL SHALL CONSIST OF EXISTING CLAY SOILS

TOPSOIL

INV. 1035.0

CENTERLINE

DIVERSION CHANNEL

1.00%

CHANNEL SLOPE TOE PROTECTION

DETAIL

SCALE: NONE

C-301

SCALE:

DETAIL

NONE

PIPE BEDDING IN WET CONDITIONS

C-506

SCALE:

DETAIL

NONE

PIPE BEDDING IN DRY CONDITIONS

C-506

20 DETAIL

DEWATERING TRENCH

SCALE: NONE

LP-101

C-101 C-301

DIVERSION CHANNEL

NOTES:

2. SCREENED INTERVAL EL. 1035-1040 FOR P-3 & P-4

1. SCREENED INTERVAL EL. 1026-1033 FOR P-1 & P-2

C-102 C-101

DETAIL

SCALE: NONE

PIEZOMETER

NOTES:

IS PLACED.

THE COARSE FILTER AGGREGATE UNTIL TOPSOIL

TO PREVENT SEDIMENT OR SOIL FROM ENTERING

OVERLAPS USED AT THE TOP OF THE TRENCH

TEMPORARILY ANCHOR SANDBAG ANY

1. SEW SEAMS OR OVERLAP A MINIMUM OF 18"

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IDENTIFICATION

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®of Engineers

US Army Corps of Engineers

US Army Corps a u t o t im e

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