Drawings__4_Powerhouse_West_Terrace_Drain_Rehab _ph2 _Garrison.pdf

.0 f t in

G

E D

G R J

C p w

C O

E

N W

O P

W O

M A .n w o .d s .u s a c e .a r m y .m il :C

E N

W O m a h a

D is t r ic t

D o c u m e n t s

C iv il W o r k s

U n it e d

S t a t e s o f

A m e r ic a

M is s o u r i R iv e r

B a s in

M is s o u r i R iv e r

M in

S t e m

G a r r is o n

C o n s t r u c t io n

E

D

G R

P o w e r h o u s

W

T r r a c in

R h a b

A b u t m e n t

S a d

X X X

R

O S

S S

E C

T

IO

N S

SECTION

SCALE

0 15'15' 7.5'

SECTION

SCALE

0 15'15' 7.5'

STATION 2+00

NEW NORTH SLOPE DRAIN

STATION 2+36

NEW NORTH SLOPE DRAIN

S H

E E

T O

F

B3.02

EXCAVATIONS.

2. HISTORIC BORINGS 21 AND 614 WERE DRILLED PRIOR TO POWERHOUSE

DESIGN ASSUMPTIONS PRIOR TO EXCAVATION.

RESPONSIBLE FOR VERIFYING THESE ASSUMED CONDITIONS AND/OR CRITICAL

CONDITIONS ARE SUBJECT TO SEASONAL VARIATIONS. THE CONTRACTOR IS

INTERPOLATED FROM THE BEST AVAILABLE DATA PROVIDED ON SHEET B1.02.

1. GROUNDWATER SURFACE ELEVATIONS AS SHOWN HAVE BEEN

NOTES:

Shale

Limestone

(CL)s - Lean Clay with

Sand

(CL-ML)s - Silty Clay with

Sand

CH - Fat Clay

CL - Lean Clay

CL-ML - Silty Clay

CL/CH - Lean to Fat Clay g(CL)s - Gravelly Lean

Clay with Sand s(CL) - Sandy Lean Clay s(CL-ML) - Sandy Silty

Lean Clay

SC - Clayey Sand

ML - Silt

ML/CL - Clayey Silt s(ML) - Sandy Silt

SC-SM - Silty, Clayey

Sand

SM - Silty Sand

SP-SC - Poorly Graded

Sand with Clay

(SP)g - Poorly Graded

Sand with Gravel

(SP-SM)g - Poorly

SP - Poorly Graded Sand

SP-SM - Poorly Graded

Sand with Silt

No Sample

Sandstone

GRAPHICS

LITHOLOGY

Graded Sand with Silt and Gravel

Coal (Lignite)

.0 f t in

G

E D

G R J

C p w

C O

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N W

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W O

M A .n w o .d s .u s a c e .a r m y .m il :C

E N

W a t r ic t

D o c u m e n t s

C iv il W o r k s

U n it e d

S t a t e s o f

A m e r ic a

M is s o u r i R iv e r

B a s in

M is s o u r i R iv in

S t e m

G a r r is o n n s t r u c t

D

G R

P o w e r h o u r r a h a b u t m e n t

S a

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X

O M

A H

A

N E

B R

A S

K A

OMAHA DISTRICT

G A

R R

IS

O N D

A M A

N D R

E S

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V O

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R J

C

R J

C D

F S

R J

C

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IV

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D A

L E

N D

G R

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J

N

W E

S T A

B U

T M

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T S

A N

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R A

IN

R

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A B

S O

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IC

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A T

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F

IL

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A M

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D W

N B

Y

C K

D B

Y

D E

S

IG

N E

D B

Y

D E

S C

R

IP

T

IO

N

D

2 3

C

4 5

A

B

M A

R K

A P

P R

NUMBER

IDENTIFICATION

SHEET

OF ENGINEERS

US ARMY CORPS

D A

T E

F

IL

E N

U M

B E

R

S

IZ

E

S U

B M

IT

T E

D B

Y

P L

O T S

C A

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P L

O T D

A T

E

D A

T E

C O

R P

S O

F E

N G

IN

E E

R S

U S

A R

M Y E

N G

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E E

R D

IS

T R

IC

T

M A

R K

D E

S C

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IP

T

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N A

P P

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D A

T E

C O

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R A

C T N

O

W

F

R

FORT UNION

2A LIGNITE BED

ALL DISTURBED AREAS

6" TOPSOIL AND SEEDING

0+00 0+10 0+20 0+30 0+40 0+50 0+60 0+70 0+80 0+90 1+00 1+10 1+20 1+30 1+40 1+50 1+60 1+70 1+80 1+90 2+00 2+10 2+20 2+30 2+40 2+50

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

STATION (FEET)

LIGNITE 3A

ELECTRICAL CONDUIT

COMM

ML/CL

s(ML)

ML/CL

s(ML)

SM

NO

SAMPLE

CL

CL-ML

LIMESTONE

CL-ML

s(ML)

NO

SAMPLE

CL-ML

SM

CL

COAL

SM

s(ML)

COAL

CL

COAL

CL-ML

CH

s(ML)

ML/CL

s(ML)

ML/CL

s(ML)

ML/CL

CL-ML

(UPPER 33.5' NOT SHOWN)

ELEV. 1845.4

DATE: 6/30/1946

614 (25' Left of CL)

(SEE DETAIL E)

BENCH

REGRADE UPPER

LC

LC

BETWEEN 2A AND 3A LIGNITE BEDS

EXISTING 1'-0" FILTER SAND ACCORDANCE WITH SPECS

BEDDING TO BE PREPARED IN

1V ON 2H TO 2.5H

THIS CONTRACT

NEW M.H. 154.7/5

RIM ELEV 1743.78

M.H. 155.6/4

(SEE SPECIFICATION 33 46 16)

PIPE-12" DIA THIS CONTRACT

INSTALL NEW SLOTTED DRAIN

VARIES FROM 1V ON 2H TO 2.5H

RE-ESTABLISH DESIGN SLOPE

EXISTING BANK RUN GRAVEL

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

WEST ABUTMENT SAND

CL ROAD

FORT UNION

LIGNITE 3A

LIGNITE 3A

(SEE SPECIFICATION 33 46 16)

PIPE-12" DIA THIS CONTRACT

INSTALL NEW SLOTTED DRAIN

ALL DISTURBED AREAS

6" TOPSOIL AND SEEDING

UPPER BENCH

EXISTING GROUND

FIBER OPTIC

RURAL WATER

CL

CL-ML

Fort Union

CL

COAL

ML

COAL

CL-ML

CL

COMM

STATION (FEET)

ELECTRICAL CONDUIT

ELEV. 1790.0

BORING 21 (25' RIGHT OF CL)

RUN GRAVEL

EXISTING BANK

RE-ESTABLISH DESIGN SLOPE

0 10 20 30 40 50 60 70 80 90 100-10-20-30-40-50-60-70-80-90-100-110-120-130-140-150-160-170-180-190-200-210-220-230-240-250

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

H5.

OT H2

NO V

MORF

SEI

RAV

WEST ABUTMENT SAND

f t in

G

E D

G R J

C p w

C O

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M A .n w o .d s .u s a c e .a r m y .m il :C

E N

W a t r ic t

D o c u m e n t s

C iv il W o r k s

U n it e d

S t a t e s o f

A m e r ic a

M is s o u r i R iv e r

B a s in

M is s o u r i R iv in

S t e m

G a r r is o n n s t r u c t

D

G R

P o w e r h o u r r a h a b u t m e n t

S a

SECTION

SCALE

0 15'15' 7.5'

SECTION

SCALE

0 15'15' 7.5'

STATION 3+00

NEW NORTH SLOPE DRAIN

STATION 4+00

NEW NORTH SLOPE DRAIN

C R

O S

S S

E C

T

IO

N S

S H

E E

T O

F

B3.032. HISTORIC BORING 614 WAS DRILLED PRIOR TO POWERHOUSE EXCAVATIONS.

DESIGN ASSUMPTIONS PRIOR TO EXCAVATION.

RESPONSIBLE FOR VERIFYING THESE ASSUMED CONDITIONS AND/OR CRITICAL

CONDITIONS ARE SUBJECT TO SEASONAL VARIATIONS. THE CONTRACTOR IS

INTERPOLATED FROM THE BEST AVAILABLE DATA PROVIDED ON SHEET B1.02.

1. GROUNDWATER SURFACE ELEVATIONS AS SHOWN HAVE BEEN

NOTES:

Shale

Limestone

(CL)s - Lean Clay with

Sand

(CL-ML)s - Silty Clay with

Sand

CH - Fat Clay

CL - Lean Clay

CL-ML - Silty Clay

CL/CH - Lean to Fat Clay g(CL)s - Gravelly Lean

Clay with Sand s(CL) - Sandy Lean Clay s(CL-ML) - Sandy Silty

Lean Clay

SC - Clayey Sand

ML - Silt

ML/CL - Clayey Silt s(ML) - Sandy Silt

SC-SM - Silty, Clayey

Sand

SM - Silty Sand

SP-SC - Poorly Graded

Sand with Clay

(SP)g - Poorly Graded

Sand with Gravel

(SP-SM)g - Poorly

SP - Poorly Graded Sand

SP-SM - Poorly Graded

Sand with Silt

No Sample

Sandstone

GRAPHICS

LITHOLOGY

Graded Sand with Silt and Gravel

Coal (Lignite)

.0 f t in

G

E D

G R J

C p w

C O

E

N W

O P

W O

M A .n w o .d s .u s a c e .a r m y .m il :C

E N

W a t r ic t

D o c u m e n t s

C iv il W o r k s

U n it e d

S t a t e s o f

A m e r ic a

M is s o u r i R iv e r

B a s in

M is s o u r i R iv in

S t e m

G a r r is o n n s t r u c t

D

G R

P o w e r h o u r r a h a b u t m e n t

S a

.1

X

O M

A H

A

N E

B R

A S

K A

OMAHA DISTRICT

G A

R R

IS

O N D

A M A

N D R

E S

E R

V O

IR

R J

C

R J

C D

F S

R J

C

R

IV

E R

D A

L E

N D

G R

D

J

W E

S T A

B U

T M

E N

T S

A N

D D

R A

IN

R

E H

A B

S O

L

IC

IT

A T

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N N

O

F

IL

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A M

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D W

N B

Y

C K

D B

Y

D E

S

IG

N E

D B

Y

D E

S C

R

IP

T

IO

N

D

2 3

C

4 5

A

B

M A

R K

A P

P R

NUMBER

IDENTIFICATION

SHEET

OF ENGINEERS

US ARMY CORPS

D A

T E

F

IL

E N

U M

B E

R

S

IZ

E

S U

B M

IT

T E

D B

Y

P L

O T S

C A

L E

P L

O T D

A T

E

D A

T E

C O

R P

S O

F E

N G

IN

E E

R S

U S

A R

M Y E

N G

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E E

R D

IS

T R

IC

T

M A

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D E

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IP

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N A

P P

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D A

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C O

N T

R A

C T N

O

W

F

R

1 ON 2H

CL ROAD

FORT UNION

LIGNITE 3A

LIGNITE 3A

(SEE SPECIFICATION 33 46 16)

PIPE-12" DIA THIS CONTRACT

INSTALL NEW SLOTTED DRAIN

ALL DISTURBED AREAS

6" TOPSOIL AND SEEDING

FIBER OPTIC

ML/CL

ML/CL

SM

CL

CL-ML

CL-ML

CL-ML

SM

CL

SM

COAL

CL

COAL

CL-MLCH

DATE: 6/30/1946

TOPSOIL

SP

(CL-ML)s

SP

SM

SP-SM

SC

SP-SC

SM

SP

SM

SHALE

SHALE

COAL

CL

DATE: 9/30/2013

ELEV. 1811.0

LIGNITE 3A COAL LIGNITE 3A

RURAL WATER

COMM

EXISTING GROUND

(UPPER 33.5' NOT SHOWN)

ELEV. 1845.4

STATION (FEET)

ELECTRICAL CONDUIT

BORING 614 (22' RIGHT OF CL)

CL

ML

SM

CL

SM

ELEV. 1818.0

DATE: 3/21/1981

P-80-5 (35' LEFT OF CL)

PIEZOMETER AND BORING P-13-8 (30' LEFT OF CL)

1788.4

SM

RUN GRAVEL

EXISTING BANK

(SEE DETAIL E)

BENCH

REGRADE UPPER

s(CL)

(CL)s

LIMESTONE

s(ML) s(ML) s(ML)

NO SAMPLE

s(ML) s(ML)

LIMESTONE

NO SAMPLE

RE-ESTABLISH DESIGN SLOPE

0 10 20 30 40 50 60 70 80 90 100-10-20-30-40-50-60-70-80-90-100-110-120-130-140-150-160-170-180-190-200-210-220-230-240-250

E

L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

WEST ABUTMENT SAND

WEST ABUTMENT SAND

CL ROAD

FORT UNION

LIGNITE 3A

LIGNITE 3A

Station 4+00

ALL DISTURBED AREAS

6" TOPSOIL AND SEEDING

(SEE SPECIFICATION 33 46 16)

PIPE-12" DIA THIS CONTRACT

INSTALL NEW SLOTTED DRAIN

1V ON 2H

0 10 20 30 40 50 60 70 80 90 100-10-20-30-40-50-60-70-80-90-100-110-120-130-140-150-160-170-180-190-200-210-220-230-240-250

COMM LINE

STATION (FEET)

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

CONDUIT

ELECTRICAL

RURAL WATER

RUN GRAVEL

EXISTING BANK

(SEE DETAIL E)

REGRADE UPPER BENCH

RE-ESTABLISH DESIGN SLOPE

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L f t in

G

E D

G R J

C p w

C O

E

N W

O P

W O

M A .n w o .d s .u s a c e .a r m y .m il :C

E N

W a t r ic t

D o c u m e n t s

C iv il W o r k s

U n it e d

S t a t e s o f

A m e r ic a

M is s o u r i R iv e r

B a s in

M is s o u r i R iv in

S t e m

G a r r is o n n s t r u c t

D

G R

P o w e r h o u r r a h a b u t m e n t

S a

SCALE

0 15'15' 7.5'

SECTION

SCALE

0 15'15' 7.5'

STATION 4+20

NEW NORTH SLOPE DRAIN

STATION 5+00

NEW NORTH SLOPE DRAIN

C R

O S

S S

E C

T

IO

N S

S H

E E

T O

F

B3.04POWERHOUSE EXCAVATIONS.

WERE DRILLED PRIOR TO

4. HISTORIC BORINGS 55 AND 709

OUTFALL REPLACEMENT.

ACCORDINGLY TO PERMIT

AND SHALL BE DEWATERED

FROM THE 2A AND/OR 3A LIGNITE

BEDDING MAY BE SATURATED

3. OUTFALL BACKFILL AND

INSTALLATION.

REMOVAL FOR PIPE

CONTRACT AND WILL REQUIRE

SHUT DURING PREVIOUS

AT ELEV 1728.0 WAS GROUTED

2. PREFORMED MH 155.7/3 HOLE

PRIOR TO EXCAVATION.

CRITICAL DESIGN ASSUMPTIONS

ASSUMED CONDITIONS AND/OR

FOR VERIFYING THESE

CONTRACTOR IS RESPONSIBLE

SEASONAL VARIATIONS. THE

CONDITIONS ARE SUBJECT TO

PROVIDED ON SHEET B1.02.

THE BEST AVAILABLE DATA

BEEN INTERPOLATED FROM

ELEVATIONS AS SHOWN HAVE

1. GROUNDWATER SURFACE

NOTES:

Shale

Limestone

(CL)s - Lean Clay with

Sand

(CL-ML)s - Silty Clay with

Sand

CH - Fat Clay

CL - Lean Clay

CL-ML - Silty Clay

CL/CH - Lean to Fat Clay g(CL)s - Gravelly Lean

Clay with Sand s(CL) - Sandy Lean Clay s(CL-ML) - Sandy Silty

Lean Clay

SC - Clayey Sand

ML - Silt

ML/CL - Clayey Silt s(ML) - Sandy Silt

SC-SM - Silty, Clayey

Sand

SM - Silty Sand

SP-SC - Poorly Graded

Sand with Clay

(SP)g - Poorly Graded

Sand with Gravel

(SP-SM)g - Poorly

SP - Poorly Graded Sand

SP-SM - Poorly Graded

Sand with Silt

No Sample

Sandstone

GRAPHICS

LITHOLOGY

Graded Sand with Silt and Gravel

Coal (Lignite)

.0 f t in

G

E D

G R J

C p w

C O

E

N W

O P

W O

M A .n w o .d s .u s a c e .a r m y .m il :C

E N

W a t r ic t

D o c u m e n t s

C iv il W o r k s

U n it e d

S t a t e s o f

A m e r ic a

M is s o u r i R iv e r

B a s in

M is s o u r i R iv in

S t e m

G a r r is o n n s t r u c t

D

G R

P o w e r h o u r r a h a b u t m e n t

S a

.1

X

O M

A H

A

N E

B R

A S

K A

OMAHA DISTRICT

G A

R R

IS

O N D

A M A

N D R

E S

E R

V O

IR

R J

C

R J

C D

F S

R J

C

R

IV

E R

D A

L E

N D

G R

D

J

W E

S T A

B U

T M

E N

T S

A N

D D

R A

IN

R

E H

A B

S O

L

IC

IT

A T

IO

N N

O

F

IL

E N

A M

E

D W

N B

Y

C K

D B

Y

D E

S

IG

N E

D B

Y

D E

S C

R

IP

T

IO

N

D

2 3

C

4 5

A

B

M A

R K

A P

P R

NUMBER

IDENTIFICATION

SHEET

OF ENGINEERS

US ARMY CORPS

D A

T E

F

IL

E N

U M

B E

R

S

IZ

E

S U

B M

IT

T E

D B

Y

P L

O T S

C A

L E

P L

O T D

A T

E

D A

T E

C O

R P

S O

F E

N G

IN

E E

R S

U S

A R

M Y E

N G

IN

E E

R D

IS

T R

IC

T

M A

R K

D E

S C

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IP

T

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N A

P P

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D A

T E

C O

N T

R A

C T N

O

W

F

R

1 ON 2H

1 ON 2.25H

INV. EL. 1726.34

INV. EL. 1765.5

INV. EL. 1694.31

S = +50%

S = +48%

S = 1%

S = 1%

EXISTING ROAD

FIELD FIT

RIM ELEV 1704.23

M.H. "D"

INV. EL. 1694.64

INV. EL. 1734.37

TO BE REMOVED AND GROUTED

EXISTING TEMPORARY CONNECTION

1 ON 2H

(SEE SPECIFICATION 33 46 16)

PIPE-12" DIA THIS CONTRACT

INSTALL NEW SLOTTED DRAIN

3A LIGNITE BED

EXISTING ADJACENT FILTER BLANKET TO BE PROTECTED

FORT UNION

0+00 0+10 0+20 0+30 0+40 0+50 0+60 0+70 0+80 0+90 1+00 1+10 1+20 1+30 1+40 1+50 1+60 1+70 1+80 1+90 2+00 2+10 2+20 2+30 2+40 2+50 2+60 2+70 2+80 2+90 3+00 3+10 3+20 3+30 3+40 3+50

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

E L E

V A

T

IO

N F

E E

T A

B O

V E M .S .L

LC

LC

LC

BACKFILL

UNSELECTED

EXISTING

MIN 15'

EXST. PERVIOUS BACKFILL

THIS CONTRACT

NEW M.H. 154.9/3

2A LIGNITE BED

EXISTING BANK RUN GRAVEL

ACCORDANCE WITH SPECS

BEDDING TO BE PREPARED IN

STATION (FEET)

COMM

g(CL)s s(CL)

SC

SHALE

ELEV. 1803.7

DATE: 8/23/1972

P-72-12 (28' LEFT OF CL)

ELEV. 1783.1

DATE: 7/21/2014

BH-14-4 (2' LEFT OF CL)

1778.5

ELECTRICAL CONDUIT

RIM ELEV 1742.21

M.H. 155.7/3

1777.2

SP-SM

CL/CH

M

IN

F

E E

T

SEE BEDDING DETAIL C

EXISTING SLOTTED DRAIN PIPE-12" DIA

(SEE DETAIL E)

REGRADE UPPER BENCH

INV EL 1728.0 (SEE NOTE 2)

FIELD FIT MANHOLE CONNECTION

EXISTING BANK RUN GRAVEL (SEE NOTE 3)

ALL DISTURBED AREAS

6" TOPSOIL AND SEEDING

PREVIOUSLY REPLACED BY OTHERS

OUTFALL FROM MH 155.7/3 TO MH "D"

(SEE SPECIFICATION 33 46 16)

NEW SOLID PVC DRAIN PIPE-18" DIA (THIS CONTRACT)

RE-ESTABLISH DESIGN SLOPE

WEST ABUTMENT SAND

FORT UNION

CL ROAD

ALL DISTURBED AREAS

6" TOPSOIL AND SEEDING

(SEE SPECIFICATION 33 46 16)

PIPE-12" DIA THIS CONTRACT

INSTALL NEW SLOTTED DRAIN

VARIES FROM 1V ON 2H TO 2.5H

STATION (FEET)

ELECTRICAL CONDUIT

COMM

RURAL WATER

ML/CL

SM

s(CL-ML)

SC-SM

s(CL-ML)

SC-SM

SM

COAL

SM

NO

SAMPLE

s(ML)

NO SAMPLE

s(ML)

COAL

s(ML)

CL

CH

s(ML)

SC-SM

s(CL-ML)

ML/CL

s(CL-ML)

SM

SC

s(CL-ML)

CH

ML/CL

s(ML)

ML/CL

s(ML)

CL-ML

CL

LIMESTONE

CL

s(ML)

ML/CL

SM

s(ML)

SM

s(ML)

SM

SC-SM

ML/CL

ELEV. 1817.5

DATE: 7/1/1955

P-131 (25' RIGHT OF CL)

ELEV. 1814.6

DATE: 4/21/1947

709 (57' LEFT OF CL)

ELEV. 1820.0

DATE: 5/20/1943

55 (5' LEFT OF CL)

SM

CH

1783.6

RUN GRAVEL

EXISTING BANK

(SEE DETAIL E)

REGRADE UPPER BENCH

RE-ESTABLISH DESIGN SLOPE

0 10 20 30 40 50 60 70 80 90 100-10-20-30-40-50-60-70-80-90-100-110-120-130-140-150-160-170-180-190-200-210-220-230-240-250

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WEST ABUTMENT SAND WEST ABUTMENT SAND

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B3.05

SCALE

0 15'15' 7.5'

STATION 0+00

NEW SEEPAGE AREA DRAIN

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PHOTO 1

EXISTING CONDITIONS

SEEPAGE AREA 1

SEE NOTE 3

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AREA EXTENTS AND LOCATIONS.

SEE SHEET B1.01 FOR PLAN SHOWING APPROXIMATE SEEP 7.

TIMES.

ENSURE PROPER DRAINAGE THROUGH THE GUTTER AT ALL

MANHOLES, AND CATCH BASINS. CONTRACTOR SHALL

CONCRETE VALLEY GUTTER, ROAD WAY SURFACING,

CONTRACTOR SHALL PROTECT FROM DAMAGE THE EXISTING 6.

WITH SPECIFICATION SECTION 02 31 60.

DESIGN SLOPE. BACKFILLING SHALL BE IN ACCORDANCE

AREAS AS APPROVED BY THE COR AND RE-ESTABLISH

REMOVE EXISTING UNSTABLE MATERIAL FROM SEEPAGE 5.

INSTRUCTIONS TO BE FURNISHED BY THE GOVERNMENT.

INSTALLED PER MANUFACTURER'S INSTALLATION

PVC SADDLE. SADDLE AND CONNECTIONS ARE TO BE

THE 6-INCH TEE IS A SPEARS 12-INCH TO 6-INCH CLAMP ON 4.

SUBDRAIN REPLACEMENT.

SEEPAGE SHALL BE EFFECTIVELY DEWATERED TO PERMIT

SEEPAGE RATE IS ESTIMATED AT APPROXIMATELY 2.5 GPM.3.

SEE SHEET B5.01 FOR MANHOLE SCHEDULE AND DETAILS.2.

TOLERANCES.

SEE SPECIFICATION SECTION 33 46 16 FOR CONSTRUCTION 1.

GENERAL NOTES:

TO BE PROTECTED

EXISTING CONCRETE GUTTER

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EL. 1701.15

INVERT

1V ON 2.5H

RANDOM BACKFILL

INV. ELEVATION 1683.45

E: 1737501.96 N: 670826.87 M.H. 160/6

E: 1737554.72 N:670799.17

AND OUTFALL

CATCH BASIN 160+00

TO BE PROTECTED

PVC OUTFALL PIPE

EXISTING 12" SOLID

6.35'

CL

5.00'

EXISTING GROUND SURFACE

INV. EL. 1709.95

0+00 0+200+10 0+30 0+40 0+50 0+60 0+70 0+80 0+90 1+00 1+10

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(SEE NOTE 3)

OF WET AREA

APPROXIMATE EXTENT

TO BE PROTECTED

EXISTING CONCRETE GUTTER

(SEE NOTE 4)

(THIS CONTRACT)

INV. ELEV 1701.15

SLOTTED 6" DRAIN PIPES

TEE JOINT FOR NEW

EXISTING 12" SLOTTED DRAIN PIPES

6" TOPSOIL & SEEDING

22.5°

22.5°