Part 2_Prelim Plans_Porcupine.pdf

PRA-DENA 10(31) D.7AK

N

2750 2752+50 2755 2757+50 2760 2762+50 2765

Profile grade

Existing ground

Line to be staked and constructed

Construction limits

Line to be staked and constructed

EXC.

CUYD

EMB.

CUYD

STATE PROJECT

SHEET

NUMBER

A p r

A

M d e d g .d g n

D a n S te r le y

C h e c k e d b y

K ti e S w e n s o n e s ig n e d b y

22’ 22’-24’24’24’-22’ 22’ 22’-24’ 24’ 24’-20’ 20’ 20’-24’ 24’24’-22’ 22’ 22’-24’ 24’24’-22’ 22’

LEGEND

D

R= 700.00’

T= 99.43’

L= 197.54’

D

R= 320.00’

T= 97.46’

L= 189.22’

D

R= 199.00’

T= 61.53’

L= 119.35’

Intervisible Passing Pullout 2752+40 to 2752+60 (Taper In) 2752+60 to 2753+05 (Belly) 2753+05 to 2753+25 (Taper Out)

Intervisible Passing Pullout 2754+55 to 2754+75 (Taper In) 2754+75 to 2755+20 (Belly) 2755+20 to 2755+60 (Taper Out)

Intervisible Passing Pullout 2757+90 to 2758+30 (Taper In) 2758+30 to 2758+75 (Belly) 2758+75 to 2758+95 (Taper Out)

Intervisible Passing Pullout 2760+75 to 2760+95 (Taper In) 2760+95 to 2761+40 (Belly) 2761+40 to 2761+60 (Taper Out)

Surfacing Section A See Sheet C.3 for details.

Surfacing Section B See Sheet C.3 for details.

Special Ditch Section, 0" RT See Sheet C.5 for details.

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269 emax = 3.0% emax = 4.0% emax = 6.0% existing culvert outlet ditch new culvert outlet ditch

Special Ditch Section, 6" RT See Sheet C.5 for details.

418 248 25

03115

CP

CP

CP

P T

.5

P C

.6

P T

.0

P C

.8

P C

.6

P T

.1

-10.5589%

,1

.5

300’ VC

K = 35

,1

.0

-1.9810%

-7.5112%

125’ VC

K = 23

SSD = 258’

I n s ta ll p ip e c u lv e r t

I n s ta ll c a tc h b a s in

C o n s tr u c t c u lv e r t o u tl e t d it c h

I n s ta ll p ip e c u lv e r t

I n s ta ll e n e r g y d is s ip a to r

R e m o v e o f e x is ti n g c u lv e r t fr o m i n le t, p lu g r e m a in d e r

,1

.1

70’ VC

K = 53

,1

.4

-6.1852%

-8.0000%

90’ VC

K = 50

SSD = 640’

,1

.8

-5.8506%

155’ VC

K = 72

PRELIM

IN

ARY

Not fo r C onstr ucti on

PRA-DENA 10(31) D.8AK

N

2765 2767+50

EXC.

CUYD

EMB.

CUYD

A p r

A

M d e d h .d g n n S te r e c k e d b y ti e S w e n s s ig n e d b y

END PROJECT

AK PRA DENA 10(31)

2768+99.58 N = 3477747.862 E = 1638578.992

EL = 3092.60

Existing ground

Profile grade

Line to be staked and constructed

Construction limits

22’ 22’-23’ 23’

D

R= 2,000.00’

T= 25.44’

L= 50.87’

Surfacing Section A See sheet C.3 for details.

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269 emax = 3.0%

GPS

RAY1

P C

.1

P T

.7

P O

T

.5

I n s ta ll p ip e c u lv e r t

,1

.3

-2.9292%

235’ VC

K = 80

,0

.6

.5

8 PRELIM

IN

ARY

Not fo r C onstr

AK PRA-DENA 10(31) D.9

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269

STANDARD PULLOUT DETAILS

PARKING PULLOFF

INTERVISIBLE PASSING PULLOUT

50’56’50’

24’

Tape r @ 1

:5

Taper @ 1:10

Taper @ 1:5

Taper @ 1:10

Parking pulloff

Intervisible Passing Pulloff

10’

Varies45’Varies

FOOTNOTE:

Length of belly of intervisible passing pullout = 100 feet.

Taper length out of intervisible passing pullout decreased to avoid wetland ahead. Taper out at 1:5.

Taper length out of intervisible passing pullout increased to match existing road curvature. Taper out at 1:30.

Varies, 2’ to 4’

24’ DENALI PARK ROAD

DENALI PARK ROAD

Edge of road

Edge of road

2683+30 to 2684+86 LT 2707+25 to 2708+81 RT

2692+16 to 2693+56 LT 2714+15 to 2715+00 LT 2718+90 to 2719+75 LT 2721+15 to 2722+00 LT 2725+50 to 2726+35 LT 2728+95 to 2729+80 LT 2731+40 to 2732+25 LT 2734+25 to 2735+20 LT 2736+50 to 2738+15 LT 2748+40 to 2749+25 LT 2752+40 to 2753+25 LT 2754+55 to 2755+60 LT 2757+90 to 2758+95 LT 2760+75 to 2761+60 RT

A p r

A

M d e d i.

d g n n S te r e c k e d b y ti e S w e n s s ig n e d b y

PRELIM

IN

ARY

Not fo r C onstr

TEMPORARY

DIVERSION CHANNELS

157-5

2’2’2’2’ Do not construct with longitudinal joints if using a plastic liner. Bury the upstream edge of the liner a minimum of 6" deep and secure with riprap or sandbags.

AK PRA-DENA 10(31)

STANDARD NO SCALE

U.S. CUSTOMARY STANDARD

SHEET

NUMBER

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

FEDERAL LANDS HIGHWAY

STATE

E.7

PROJECT

d e e g .d g n

A p r

A

M

STANDARD APPROVED FOR USE 6/2005

REVISED: 6/2007

Bury plastic liner 6" deep and secure with sandbags (typ.)

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269

A

A

B B

Flow

SECTION A-A SECTION B-B

SECTION A-A

SECTION B-B

W

SS

SS

B

D

Flow

Flow

Flow

Roadway embankment

Roadway embankment

NOTE:

W

SS

SS

B

D

PLASTIC LINED DIVERSION CHANNEL

RIPRAP LINED DIVERSION CHANNEL

W

B

DSS SS

Flow

SSSS D

B

W

T

Riprap lining

Geotextile, type IV-E

Sandbags

SECTION B-B

TEMPORARY CULVERT

PLAN

DIVERSION CHANNEL

Silt fence (typ.

when scheduled)

Plastic linerSandbagsPlastic liner

Use sandbags to construct temporary barrier

Permanent culvert

Roadway centerline

Silt fence (typ.

when scheduled)

Permanent natural channel

Use sandbags to prevent backflow into natural channel

Earthwork limits

Subgrade

Temporary culvert backfill

Bedding

Natural ground

Geotextile, type IV-E Riprap lining

Temporary diversion channel with plastic liner or riprap

Silt fence (typ.

when scheduled)

T

See Note 5

Ø

See Erosion Control Section for temporary culvert diameter, riprap class, channel dimensions and quantities.

Use plastic liner or riprap along the entire length and width of the temporary diversion channel.

Construct channel at a minimum grade of

0.5 percent.

When specified replace the portion of the diversion channel through the roadway embankment with temporary culvert.

Compact temporary culvert backfill using one of the methods listed in Subsection

204.11(a).

1.

2.

3.

4.

5.

PRELIM

IN

ARY

Not fo r C onstr

910910

OPERATION PLAN

TOKLAT PIT

To kl at R iv er trailer area

Contractor housing/office barrier

Existing jersey

NOTE:

Staging Area

Equipment

QUANTITIES

ITEM DESCRIPTION QUANTITY

of existing sheet pile wall.

Approximate location material stockpile.

of government furnished

Approximate location stockpile site

Pitrun stockpile site

Aggregate surfacing st oc kp ile s it e

S el ec t bo rr ow sit esto ck pil eRe jec t

Scale in feet

50 100 150 200050

N

2.

1.

throughout construction.

Large stockpiles for mixing fines will be available will be determined by the CO.

The final location of all stockpiles and equipment staging

REMARK

F.1

STATE PROJECT

AK PRA-DENA 10(31)

d e fa .d g n

U

S I n t2

D

R J o h n s e c k e d b

W

M c

Q u is to s ig n e d b y

See Sheet E.6 for details.

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269 by others.

Berm to be constructed

Sediment wattle

Sediment wattle sit e sto ck pil e

Rip ra p

3500 cuyd

11753 cuyd

4235 cuyd

300 lnft

31102-0000

31102-0000

31102-0000

15705-1500

Stockpiled Aggregate (Riprap, class5)

Stockpiled Aggregate (Select Borrow)

Stockpiled Aggregate (Aggregate Surfacing)

Soil Erosion Control, Sediment Wattle

PRELIM

IN

ARY

Not fo r C onstr

10.4 x 16 20301 20411 20701 20701 25101 25101 60203 60501 -1900 -0000 -0300 -1400 -2000 -4000 -0400 -0800 -0900 -1000 -1600 -0200 -0000

Skew (degrees)

DIAMETER or SPAN x RISE (inch) 12" 24" 30" 36" 72"

2687+06 4 3 3 13 32 P 2688+06 3 2 3 13 31 P 2688+86 3 2 3 11 28 P

Placed Riprap, Class 2

(CUYD)

REMARKS / FOOTNOTES

See below for numbered footnotes

Pipe Culvert

(LNFT)

60201 Allow.

Pipe

Material

(See key below)

Standard Underdrain

(LNFT)

6-inch Slotted

Drain Pipe

(LNFT)

Placed Riprap, Class 4

(CUYD)

Catch Basin

(EACH)

PAY ITEM NUMBER

STATION

EST

MAX

COVER

(FT)

STR EXC

(CUYD)

Earthwork Geotextile, Type IV-C

(SQYD)

Earthwork Geotextile, Type I-C

(SQYD)

Select Borrow

(TON)

Select Borrow

(foundation preparation)

(TON)

Removal of Pipe Culvert

(EACH)

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.1

D an

S te rl ey

/2

NUMBER

SHEET

PRA DENA 10(31)AK

2688+86 3 2 3 11 28 P

2688+86 3 32 X 32 5 2 37 X GS

2689+60 3 1 3 11 27 P 2690+35 3 1 3 11 27 P 2691+21 3 1 3 11 27 P

2691+21 5 43 X 35 5 2 40 X GS

2692+00 to 2704+66 3 1272 1266 P Install underdrain system right.

2692+06 3 2 3 12 30 P 2692+91 to 2693+77 3 39 86 P Install blanket drain collector pipe left.

2692+91 3 1 2 10 24 P 2693+77 3 1 2 9 22 P 2693+77 3 3 10 11 P Blanket drain outlet pipe.

2693+77 6 16 16 37 P Underdrain outlet pipe.

2693+77 4 46 X 33 38 X GS Clean culvert outlet ditch and grade to drain. 5 2694+93 3 2 3 13 33 P +34 2694+93 6 19 18 42 P +34 Underdrain outlet pipe.

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.1

M at t H a a p a la

/2

D an

S te rl ey

/2

C h ec ke d b y:

NUMBER

SHEET

PRA DENA 10(31)AK

2694+93 3 35 37 42 X GS +34 Clean culvert outlet ditch and grade to drain. 5 2695+80 to 2697+60 3 81 180 P Install blanket drain collector pipe left.

2695+80 3 1 2 11 26 P +34 2696+70 3 1 2 11 26 P +34 2697+60 3 2 3 12 29 P +34 2697+60 3 3 6 14 P +34 Blanket drain outlet pipe.

2697+60 6 23 20 47 P +34 Underdrain outlet pipe.

2697+60 4 48 X 42 48 X GS +34 Clean culvert outlet ditch and grade to drain. 5 2698+33 to 2699+37 3 47 104 P Install blanket drain collector pipe left.

2698+33 3 2 3 12 29 P +34 2699+37 3 2 3 12 29 P +34 2699+37 3 4 6 14 P +34 Blanket drain outlet pipe.

CUMULATIVE TOTAL 1735 0 41 255 172 10 4 0 535 205 0 0 0 420 1266

NOTES: Allowable pipe culvert material 1 Steel pipe culvert minimum wall thickness is the larger of 0 064" or the thickness required A Aluminum

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.1

-A p r-

:0

M at t H a a p a la

/2

D an

S te rl ey

/2

D es ig n ed b y:

C h ec ke d b y:

NUMBER

SHEET

PRA DENA 10(31)AK

1. Steel pipe culvert minimum wall thickness is the larger of 0.064" or the thickness required A Aluminum by the Std. 602-1 fill height table. AS Aluminized steel

2. Aluminized steel pipe culvert minimum wall thickness is the larger of 0.064" or the GS Galvanized steel thickness required by the Std. 602-1 fill height table (steel). P Plastic

3. Aluminum pipe culvert minimum wall thickness is the larger of 0.060" or the thickness required by the Std. 602-1 fill height table.

4. Structural excavation quantities are provided for information only.

Historically 30% of culvert structure excavation is unsuitable material. See sheet G.9 for structural excavation detail.

5. Where insufficient existing ground topographic information is available the invert elevation, outlet elevation, and culvert length for pipe culverts is approximate.

6. The symbol "X" denotes for information only locations.

FOOTNOTES:

1 For information only.

2 Install Energy Dissipator.

3 Construct Riprap headwall.

4 Install Blanket Drain.

5 Locations of culvert outlet ditches shown in plan sheets are approximate.

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.1 ro j\

W

FL

H D

\3 Po rc u p in eF or es \3

-D es ig n E le m en ts \0

-A p r-t H a a p a la

/2

D an

S te rl ey

/2

D es ig n ed b y:

C h ec ke d b y:

NUMBER

SHEET

PRA DENA 10(31)AK

5 Locations of culvert outlet ditches shown in plan sheets are approximate.

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.1 m in er

\p ro j\ W

FL

H

D \3

Po rc u p in eF or es \3

-D es ig n E le m en ts \0

-A p r-t H a a p a la

/2

D an

S te rl ey

/2

D es ig n ed b y:

C h ec ke d b y:

NUMBER

SHEET

PRA DENA 10(31)AK

PRELIM

IN

ARY

Not fo r C onstr

10.4 x 16 20301 20411 20701 20701 25101 25101 60203 60501 -1900 -0000 -0300 -1400 -2000 -4000 -0400 -0800 -0900 -1000 -1600 -0200 -0000

Skew (degrees)

DIAMETER or SPAN x RISE (inch) 12" 24" 30" 36" 72" 1735 0 41 255 172 10 4 0 535 205 0 0 0 420 1266

2699+37 6 26 21 48 P +34 Underdrain outlet pipe.

2699+37 4 57 42 48 X GS +34 Clean culvert outlet ditch and grade to drain. 5 2701+25 7 68 21 49 P +34 Underdrain outlet pipe

REMARKS / FOOTNOTES

See below for numbered footnotes

STATION

EST

MAX

COVER

(FT)

STR EXC

(CUYD)

PAY ITEM NUMBER

Standard Underdrain

(LNFT)

60201

Select Borrow

(TON)

Placed Riprap, Class 4

(CUYD)

PREVIOUS SHEET TOTAL

Pipe Culvert

(LNFT)

6-inch Slotted

Drain Pipe

(LNFT)

Allow.

Pipe

Material

(See key below)

Catch Basin

(EACH)

Earthwork Geotextile, Type IV-C

(SQYD)

Earthwork Geotextile, Type I-C

(SQYD)

Select Borrow

(foundation preparation)

(TON)

Removal of Pipe Culvert

(EACH)

Placed Riprap, Class 2

(CUYD)

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.2

D an

S te rl ey

/2

NUMBER

SHEET

PRA DENA 10(31)AK

2701+25 7 68 21 49 P +34 Underdrain outlet pipe.

2701+25 5 59 43 49 GS +34 Construct culvert outlet ditch and grade to drain.

2703+77 7 65 18 42 P Underdrain outlet pipe.

2703+77 5 58 X 37 42 GS

2704+66 5 57 16 36 P Underdrain outlet pipe.

2708+07 6 728 X 170 202 165 65 A/AS +5 See sheet G.3 for details. 2 3

2713+10 3 27 30 35 GS Construct culvert outlet ditch and grade to drain.

2716+57 4 63 X 34 39 X GS

2718+74 4 55 33 38 X GS

2721+21 3 66 40 37 GS

2722+82 5 100 X 40 46 X GS

2725+19 4 98 1 Remove existing culvert with installation at 2725+29.

2725+29 6 88 38 44 GS +28 Clean culvert outlet ditch and grade to drain. 5

2727+78 6 199 X 55 6 2 51 X GS

2730+69 7 214 X 42 48 GS

2732+75 4 55 34 39 X GS

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.2

M at t H a a p a la

/2

D an

S te rl ey

/2

C h ec ke d b y:

NUMBER

SHEET

PRA DENA 10(31)AK

2735+39 2 31 X 26 30 GS -5

2738+24 4 53 X 34 5 2 39 X GS

2743+11 4 249 X 103 25 12 79 A/AS +31 See sheet G.4 for details.

2744+37 2 179 123 113 GS +70 Grade outlet to drain.

2746+44 2 58 39 36 GS

2749+41 6 246 X 55 5 2 63 GS

2753+76 4 135 78 90 X GS +65 Construct culvert outlet ditch and grade to drain.

2759+94 3 94 X 40 6 2 37 GS Remove/plug existing culvert per CO

2766+10 3 67 31 36 GS

PROJECT TOTAL 4930 1 41 1498 172 259 24 165 710 891 274 79 65 420 1266

NOTES: Allowable pipe culvert material 1 Steel pipe culvert minimum wall thickness is the larger of 0 064" or the thickness required A Aluminum

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.2 -A p r-

:0 P

M M at t

H a a p a la

/2

D an

S te rl ey

/2

D es ig n ed b y:

C h ec ke d b y:

NUMBER

SHEET

PRA DENA 10(31)AK

1. Steel pipe culvert minimum wall thickness is the larger of 0.064" or the thickness required A Aluminum by the Std. 602-1 fill height table. AS Aluminized steel

2. Aluminized steel pipe culvert minimum wall thickness is the larger of 0.064" or the GS Galvanized steel thickness required by the Std. 602-1 fill height table (steel). P Plastic

3. Aluminum pipe culvert minimum wall thickness is the larger of 0.060" or the thickness required by the Std. 602-1 fill height table.

4. Structural excavation quantities are provided for information only.

Historically 30% of culvert structure excavation is unsuitable material. See sheet G.9 for structural excavation detail.

5. Where insufficient existing ground topographic information is available the invert elevation, outlet elevation, and culvert length for pipe culverts is approximate.

6. The symbol "X" denotes for information only locations.

FOOTNOTES:

1 For information only.

2 Install Energy Dissipator.

3 Construct Riprap headwall.

4 Install Blanket Drain.

5 Locations of culvert outlet ditches shown in plan sheets are approximate.

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.2 p ro j\ W

FL

H

D \3

Po rc u p in eF or es \3

-D es ig n E le m en ts \0

-A p r-

:0 P

M M at t

H a a p a la

/2

D an

S te rl ey

/2

D es ig n ed b y:

C h ec ke d b y:

NUMBER

SHEET

PRA DENA 10(31)AK

5 Locations of culvert outlet ditches shown in plan sheets are approximate.

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

G.2 m in er \p ro j\

W

FL

H D

\3 Po rc u p in eF or es \3

-D es ig n E le m en ts \0

-A p r-

:0 P

M M at t

H a a p a la

/2

D an

S te rl ey

/2

D es ig n ed b y:

C h ec ke d b y:

NUMBER

SHEET

PRA DENA 10(31)AK

PRELIM

IN

ARY

Not fo r C onstr

-50 -25 0 25 50

AK PRA DENA 10(31) G.3

STATE PROJECT

A p r

P

M d e g c .d g n n S te r e c k e d b y tt H a a p la s ig n e d b y

STRUCTURE EXCAVATION

STRUCTURE BACKFILL

9.6%

N

2708+07

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269

Culvert invert

Existing road grade Finished grade @ culvert centerline

New channel profile grade

Existing stream grade

Skew 95 degrees

Line to be staked and constructed

Remove existing 48" pipe culvert

20%

New channel flow line

New channel edge

B

B

2708+07

CULLERS CREEK CULVERT

PLAN AND PROFILE

For Information Only

SECTION A-A

A

880 CUYD

655 CUYD

HYDRAULIC INFORMATION

Q2 : 16 cfs OHW: NA

Q50:73 cfs HW50: 3299.45

FISH SPECIES: NA

INSTREAM WORK WINDOW: NA

ACTIVE CHANNEL WIDTH: NA

PIPE

TYPE: CMP PIPE-ROUND SPAN: 72 IN RISE: 72 IN

LENGTH: 65’ WALL THICKNESS: 0.064 IN

PIPE SLOPE: 9.6% FLOWLINE SLOPE: 9.6%

INFILL TYPE: NA SBM TYPE: NA

LC

New road

1 1 2 2

Existing grade

New channel edge

15’-0"

15’-0"

72" x 65’ Culvert

1:1.5

1:

1.

18.7%

Bevel culvert end to fit slope (approx 28°)

8’

SECTION B-B

1 1 4 4

Existing grade

New channel edge

3’

SECTION C-C

1 1 4 4

Existing grade

New channel edge

8’

25’-0"

OUTLET

INV. E/N: 1643668.24/3476155.73

IE: 3289.77

FLOWLINE EL: 3289.77

HEAD WALL: RIPRAP

BEVEL: 1:1.9

New culvert and channelLC

Earthwork geotextile, type IV-C

Construct headwall Riprap, class 4

Construct headwall Riprap, class 4

Install energy dissipator Riprap, class 4

Install energy dissipator Riprap, class 4

Construct headwall Riprap, class 4

Construct headwall Riprap, class 4

’-0

1’-0"

Earthwork geotextile, type IV-C

Buried riprap toe

Buried riprap toe

INLET

INV. E/N: 1643679.57/3476217.55

IE: 3296.01

FLOWLINE EL: 3296.01

HEAD WALL: RIPRAP

BEVEL: SQUARE

Structure excavation includes removal of existing 48" pipe culvert, as shown per hatching this sheet.

FOOTNOTE:

Includes 91 CUYD for foundation preparation and 23 CUYD for culvert bedding.

12’-0"

PRELIM

IN

ARY

Not fo r C onstr

32503250

32503250

-50 -25 0 25 50

AK PRA DENA 10(31) G.4

Line to be staked and constructed

C

New road

LC

6.1%

N

Remove existing 30" pipe culvert

2743+11

Skew 121 degrees

NPS Pkg. No. 100633 & 90935A NPS Drwg. No. 184/80269

Remove and reinstall existing culvert inlet grate

A p r

P

M d e g d .d g n n S te r e c k e d b y tt H a a p la s ig n e d b y

Existing stream grade

New channel profile grade

Finished grade @ culvert centerline

Existing road grade

Culvert invert 36" x 79’ Culvert

13’-0"

1’-0"

Existing ground @ culvert centerline

16%

New culvert and channel L

New channel flow line

New channel edge

2743+11

BUGSTUFFER CREEK CULVERT

PLAN AND PROFILE

STRUCTURE EXCAVATION

STRUCTURE BACKFILL

249 cy

231 cy

8’

1 1

Existing grade

New channel edge

SECTION A-A

For Information Only

HYDRAULIC INFORMATION

Q2 : 12 cfs OHW: NA

Q50: 32 cfs HW50: 3240.03

FISH SPECIES: NA

INSTREAM WORK WINDOW: NA

ACTIVE CHANNEL WIDTH: NA

PIPE

TYPE: CMP PIPE-ROUND SPAN: 36 IN RISE: 36 IN

LENGTH: 79 FT WALL THICKNESS: 0.064 IN

PIPE SLOPE: 6.1% FLOWLINE SLOPE: 6.1%

INFILL TYPE: NA SBM TYPE: NA

INLET

INV. E/N: 1641036.01/3477096.02

IE: 3237.34

FLOWLINE EL: 3237.34

HEAD WALL: NA

BEVEL: SQUARE

OUTLET

INV. E/N: 1640973.15/3477047.74

IE: 3232.56

FLOWLINE EL: 3232.56

HEAD WALL: NA

BEVEL: SQUARE

1:2.5

1:3 .6

10.5%

Earthwork geotextile, Type IV-C

FOOTNOTE:

Includes 53 CUYD for foundation preparation and 9 CUYD for culvert bedding.

Structure excavation includes removal of existing 30" pipe culvert, as shown per hatching this sheet.

15’-0"

Install energy dissipator Riprap, class 2

Install energy dissipator Riprap, class 2

PRELIM

IN

ARY

Not fo r C onstr