C-100507A_AM_9_17y01m23_Full_Size.pdf

W

1'-0"

2'-0"

1'-0"

H

2'-0" MIN

RIPRAP

STRUCTURAL FILL

#5 REBAR, 7" (MIN)

O.C. EACH WAY

DISCHARGE PIPE

FINISH

GRADE

INVERT

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R e g g i e

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Reference number:

HGFEDCBA

US Army Corps of

Engineers ®

Alaska District

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OUTFALL STRUCTURE AND RIPRAP DETAILS

SCALE: N.T.S.

3/16

TYP

1/4

TYP

1'1'

1 1/2"

4" 6"

EQEQ

EQEQ

3'

OUTFALL STRUCTURE CONFIGURATIONS

SCALE: N.T.S.

C

B

B

SECTION B-B

FLAT BAR,

2" WIDE,

1/4" THICK

1'-6"

1'-0"

6" TO IE

9" MAX

9" MAX

CWD & FWD RETENTION

BASIN OUTFALL

SEE DTL1, C-100409A

OUTFALL STRUCTURE

DIMENSIONS

RIPRAP APRON MIN. DIMENSIONS

LOCATION H W

UPPER

WIDTH

LOWER

WIDTH

LENGTH THICKNESS CLASS

CWD & FWD RETENTION

BASIN OUTFALL

6'-6" 9'-6" 13'-6" 27'-6" 20'-0" 2'-0" I

PRIMARY CWD

OUTFALL

6'-0" 4'-6" 8'-6" 19'-6" 16'-0" 2'-0" I

LAKE SANSING

OUTFALL

7'-6" 10'-0" 14'-0" 32'-0" 26'-0" 3'-0" II

RETENTION BASIN

CULVERT

N/A N/A 9'-0" 23'-0" 20'-0" 2'-0" I

T H

I C

K N

E S

S

ROOF DRAIN 18" CPP

WITH SECURITY GRATE

COMBINED AUXILIARY CWD

AND FWD 36" HDPE WITH

SECURITY GRATE

PRIMARY CWD 30" HDPE

WITH SECURITY GRATE

C

LAKE SANSING

DITCH LINE AND OUTFALL

0 20' 40' 120'

SCALE: 1" = 40'

80'

SHEET NOTES:

1. COOLING WATER DISCHARGE FROM BUILDING 800 SHALL NOT BE

INTERRUPTED. DEMOLITION OF THE EXISTING COOLING WATER

OUTFALL SHALL PROCEED FOLLOWING THE GOVERNMENT APPROVED

DEMOLITION PLAN.

2. OMIT SECURITY GRATE AT LAKE SANSING OUTFALL STRUCTURE

3. FOR CIVIL NOTES, LEGEND, AND ABBREVIATIONS, SEE SHEET G-100004A.

4. RIPRAP AT OUTFALL AT LAKE SANSING SHALL EXTEND TO WATERS

EDGE.

PRIMARY CWD OUTFALL

SEE DTL1, C-100408A

EQEQ

3'

LAKE SANSING OUTFALL

SEE DTL2, C-100507A

SSPARS CWD

10" HDPE

48" CMP

EXISTING SSPARS

COOLING WATER OUTFALL

CONNECT TO EXISTING 10" HDPE

APPROXIMATE IE = 568.88'

APPROXIMATE COVER = 5.3'

10" 45° BEND

INLET STRUCTURE

IE 571.0'

C-100508A

LAKE SANSING OUTFALL DITCH

48"x141' CMP

L A

K E

S

N

S I N

G

MATCH EXISTING DITCH,

STA 12+58

EXISTING

DITCH

C-100407A

DOCK

3"±

PROTRUDE PIPE 1" BEYOND

FACE OF CONCRETE

4" CLEAR

6" (MIN) CLEAR

RECREATION SHELTER

OUTFALL

SECURITY

GRATE

PIPE

BEDDING

BEDDING 3" MIN

BEDDING 3" MIN

SECTION C-C OUTFALL PROFILE

LAKE SANSING OUTFALL

STRUCTURE, IE 567.5'

C-100507A

PLAN NORTH

RIPRAPFINISH GRADE

SEPARATION

GEOTEXTILE

UPPER

WIDTH

LOWER

WIDTH

A P

R O

N

L E

N G

T H

C

C

RIPRAP

SEPARATION

GEOTEXTILE

OUTFALL STRUCTURE PLAN

RIPRAP PLAN

3"±

SURFACE

3/4" VERTICAL SMOOTH RODS, 2"

WIDE, 1/4" THICK HORIZONTAL

MEMBERS SPACED 9" OCEW MAX

A A

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2' MIN

SECTION A-A

C-100503A

REROUTE SSPARS CWD

APPROX 150' 10" HDPE

SDR11 4' MIN BURIAL

MUD SLAB

CAST OUTFALL

CONCRETE AGAINST

MUD SLAB.

WING WALL

(BEYOND)

4" CLEAR

12" MIN

TYPICAL CULVERT

SECTION SEE

C-100407A

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