OR262_Mirror_Lake_Trailhead_PRELIM_Plans.pdf

FEDERAL HIGHWAY ADMINISTRATION

U. S. DEPARTMENT OF TRANSPORTATION

Project Location

Projects, FP-14 US Customary Units of Roads and Bridges on Federal Highway

Standard Specifications for Construction

APPROVED:

DATE

structures and paving drainage and aggregate base, Excavation and embankment, FEDERAL HIGHWAY ADMINISTRATION

U.S. DEPARTMENT OF TRANSPORTATION

TYPE OF CONSTRUCTION:

DESIGN DESIGNATION:

SPECIFICATION:

A.1

A.2

A.3

C.4

H.2

TITLE SHEET

PLAN SYMBOLS AND ABBREVIATIONS

SUMMARY OF QUANTITIES

STANDARD DRAWINGS

A. GENERAL INFORMATION

B. SUMMARIES

C. TYPICAL SECTION(S)

D. PLAN-PROFILE

G. EROSION CONTROL

I. DRAINAGE

J. TEMPORARY TRAFFIC CONTROL PLAN

Western Federal Lands Highway Division

Director, Project Delivery, INDEX TO SHEETS

PROJECT MANAGER

VANCOUVER, WASHINGTON

WESTERN FEDERAL LANDS HIGHWAY DIVISION

PLANS PREPARED BY

OREGON

CLACKAMAS COUNTY

MT. HOOD NATIONAL FOREST

PLANS FOR PROPOSED PROJECT

COMMITMENT TO EXCELLENCE

FEDERAL LANDS HIGHWAY

R

E N

O R

A I

N

N

ST F

R

I

D

D E P A

T

NTOFT A SP

T T

O

U

TE

ATESO

AM

E R

IC

A

M

P A

C F

I C

I O

E C

A N

C

OLUMBIA R

IV

ER

S N

A K E

R

IV

E R

Lake

Malheur Lake

Harney

Lake

Summer

D E S

C H

U T

E S

R I

V E

R

Lake

Klamath

Upper

Abert

Lake

OREGON KEY MAP

LAKE N.P.

CRATER

REFUGE

WILDLIFE

NATIONAL

MALHEUR

RANGE

ANTELOPE

NATIONAL

HART MT.

Grants Pass

MEDFORD

Ashland

Roseburg

EUGENE

Bend

Corvallis

Newport

SALEM

PORTLAND

Astoria

Pendleton

La Grande

Ontario

Burns

Falls

Klamath

Bend

North

City

Baker

Dalles

The

WASHINGTON

I D

A H

O

NEVADACALIFORNIA

20 26

OR DOT 26(2)

PROJECT SITE

SEE VICINITY MAP

N

Scale in miles

0 6

T. 3 S. R. 8 E.

T. 4 S. R. 8 E.

T S

R E

T S

R E

T. 3 S. R. 8 E.

T. 2 S. R. 8 E.

T S

R E

T S

R E

T S

R E

T S

R E

T S

R E

T S

R E

T S

R E

T S

R E

T S

R E

T S

R E

T. 3 S. R. 7 E.

T. 4 S. R. 7 E.

54321

17 miles

To Sandy

Mike Odom

A.4 ALIGNMENT DATA

D.2-5

E.2-3

US 26 PLAN AND PROFILE

ACCESS ROADS PLAN AND PROFILE

E.4

E.5

MIRROR LAKE PARKING LOT SITE PLAN

J.2-4

J.5-7

TEMPORARY TRAFFIC CONTROL STAGE I

TEMPORARY TRAFFIC CONTROL STAGE II

US 26 TYPICAL SECTION

MIRROR LAKE PARKING LOT TYPICAL SECTION

EAST SKI BOWL PARKING LOT TYPICAL SECTION

SKI BOWL PARKING LOT PLAN AND PROFILE

E.9 EXISTING MIRROR LAKE DECOMISSIONED TRAIL

I.6-10

I.11

C.2-3

E.6 MIRROR LAKE TRAIL SITE PLAN

H.3

H.4

H.5

C.5

TRAIL TYPICAL SECTION

NORTH AND SOUTH ACCESS ROAD AND

G.8

G.9

G.10

CONSTRUCTION ENTRANCE DETAIL

CHECK DAM DETAIL

SEDIMENT FENCE DETAIL

VICINITY MAP

LENGTH 0.44 MILES

G.2-7 EROSION CONTROL PLANS

e (max)

V

ADT (2033)

ADT (2013)

0.040

55 MPH

15,300

10,800

SEDIMENT TRAP DETAILS

C.1 TABULATION OF TYPICAL SECTION QUANTITIES

TABULATION OF TYPICAL SECTION QUANTITIESD.1

E. ACCESS ROADS AND PARKING AREAS

E.1

PARKING AREA QUANTITIES

TABULATION OF ACCESS ROADS AND

E.7-8

F.1

LANDSCAPE ARCHITECT CONCEPT

MIRROR LAKE PARKING LOT

G.1 TABULATION OF EROSION CONTROL QUANTITIES

I.1 TABULATION OF DRAINAGE QUANTITIES

I.2-3 NORTH AND SOUTH WATER QUALITY SWALES

I.4

I.5 DRAINAGE DETAILS

CAMP CREEK BRIDGE PLAN AND ELEVATIONH.1

H. STRUCTURES AND RETAINING WALL(S)

NORTH ACCESS ROAD WALL PLAN AND ELEVATION

MIRROR LAKE PARKING LOT WALL PLAN AND ELEVATION

MIRROR LAKE PARKING LOT PLAN AND PROFILE

SKI BOWL PARKING LOT DRAINAGE PLAN AND PROFILE

J.1

F. LANDSCAPE ARCHITECT CONCEPT

B.1-3

QUANTITIES

TABULATION OF TEMPORARY TRAFFIC CONTROL

QUANTITIES

BRIDGE GENERAL NOTES AND TABULATION OF

TABULATION QUANTITIES

RETAINING WALL GENERAL NOTES AND

45 miles

Springs

To Warm

40 miles

River

To Hood

RELOCATION

MIRROR LAKE TRAILHEAD

A.1

STATE PROJECT

NUMBER

SHEET

A

M u g u s t

I n t_ ft

D

P F F

H A

X

C A

D R

H S

H E

E T S O

R a a .d g n

OR OR DOT 26(2)

C h e c k e d b y

D e s ig n e d b y D a n I li y n

PRELIM

IN

ARY

Not For

Con str uc tio

STATE PROJECT

NUMBER

SHEET

A.3OR DOT 26(2)OR

N

VICINITY MAP

BEGIN PROJECT END PROJECT

Scale in miles

0 321

20 miles

To Sandy

T. 3 S. R. 8 E.

T. 4 S. R. 8 E.

T S

R E

T S

R E

T. 3 S. R. 8 E.

T. 2 S. R. 8 E.

T S

R E

T S

R E

T S

R E

T S

R E

C h e c k e d b y

D e s ig n e d b y D a n I li y n

M a y

E 7877195.03

N 599203.02

1465+47.00

MIRROR LAKE TRAILHEAD

E 7874864.32

N 599356.90

1442+11.00

MIRROR LAKE TRAILHEAD

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R a c .d g n

Decomissioned Trail

Existing Mirror Lake 45 miles

Springs

To Warm

40 miles

River

To Hood

PRELIM

IN

ARY

Not For

Con str uc

P .C .S

.5

P .T

.5

P .O .T

.4

V

P .O .T

.4

R

W

R

W

R

W

V

V

V

.0

L = 494.01 ft

T = 247.62 ft

R = 2864.79 ft

P .S R

W

.7

P .S .C R

W

.7

P .C .S

V

.7

P .T

V

.7

L = 497.50 ft

T = 249.38 ft

R = 2864.79 ft

"46V-126" Line

P .I

.0

R

W

R

W

R

W

P .I R

W

.3

US HWY 26

US HWY 26

centerline

US 26 Construction alignment)

(Record R/W

"RW" line

R

W

.9

"46V-126" Line

E n d

V L in e

L = 494.01'

T = 247.62'

R = 2864.79'

L = 497.50'

T = 249.38'

R = 2864.79'

"46V-126" Line

STATE PROJECT

NUMBER

SHEET

ALIGNMENT DATA

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R a d .d g

C h e c k e d b y

D e s ig n e d b y D a n I ly n

A.4OR DOT 26(2)OR

PRELIM

IN

ARY

Not For

Con str uc surface pavement

Existing

Sawcut Sawcut Asphalt pavement milling

US 26 TYPICAL

1:4

1:4

L

1:

US26

C on sheet C.4

Parking Lot typical

See Mirror Lake

2'-0" 8'-0"

1:2 1:4

3'-0" 6'-0" 2'-0" 8'-0"

For details, see sheet I.5

Water quality swale

1:2 1:4

3'-0" 6'-0" 2'-0" 8'-0" 7'-0"

Shoulder

2%

12'-0"

Traveled way in two equal lifts

6-inch compacted depth placed

Hot asphalt concrete pavement

8'-0" 8'-0"

4'-0" 12'-0" 12'-0"

Traveled way

2-inch depth

Profile grade

2%

12'-0" 7'-0" 8'-0"

Traveled way Shoulder

2-inch compacted depth

Hot asphalt concree pavement

1:4

3'-0"6'-0"2'-0"8'-0"

For details, see sheet I.5

Water quality swale

1444+45.0 to 1446+45.0

** 1446+51.0 to 1448+07.0

1448+07.0 to 1450+71.0

Shoulder

4'-0" 8'-0" 2'-0" 6'-0"12'-0"

1:

Max

(Secure barrier)

Concrete barrier

M in

1453+50.0 to 1456+20.0 ***1452+06.0 to 1453+50.0

Barrier backfill material

:1

2'-0"9'-0"

(Secure barrier)

Concrete barrier

1456+20.0 to 1457+91.6

2'-0" 9'-0"

Shoulder

1:2

* 1442+11.0 to 1446+51.0

1446+51.0 to 1457+91.6

1:4 Nomin al

1:4 Nomin al

Slope 0

Slope 0

1:4 Nomin al Existing slope Existing slope

0' to 8'

*Varies

0' to 8'

*Varies

Left turn lane

1:4 Nominal

Slope 0

1:3

1:4 Nominal

Sl op e Va rie s1:4 Nominal

Right turn lane

**Varies 0' to 12'

Shoulder

Existing ground

1:3 Nominal

"SCR"

SAWCUT TABLE

STATION

1442+11.0 to 1443+90.0

1443+90.0 to 1446+05.0

1446+05.0 to 1446.60.0

1446.60.0 to 1457+91.6

18'-0"

18'-0"

19'-0"

18'-0" to 19'-0"

27'-0"

26'-0"

21'-1" to 25'-0"

25'-0" to 26'-0"

"SCL"

"SCR"

FOOTNOTE:

1 Superelevate roadway on curves at the rate 'e' as indicated on the plan and profile curve data.

Construct slopes as shown in the Staking Report.

1 1

"SCL"

STATE PROJECT

NUMBER

SHEET

TYPICAL SECTIONS

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R c b .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

C.2OR DOT 26(2)OR

1451+70.0 to 1452+20.0

1442+20.0 to 1444+20.0

2%

2%

*** 17'-0" to 9'-0" 1'-0"

Subsurface drain

1'-0"

6'-0"

12-inch Compacted depth

Aggregate base

1:2

4'-0"

Slope 0

PRELIM

IN

ARY

Not For

Con str uc surface pavement

Existing

Sawcut

US 26 TYPICAL

L

US26

C

STA 1463+77.5 to 1464+47.0

L

US26

C

SawcutUS 26 TYPICAL

(Secure barrier)

Concrete barrier

M in

2-inch compacted depth

Hot asphalt concrete pavement

Varies "SCR"

4'-0" 12'-0" 12'-0" 12'-0" 9'-0" 2'-0" 6'-0"

1:2

2% (Secure barrier)

Concrete barrier

ShoulderTraveled wayTraveled way

2-inch depth

Asphalt pavement milling

1457+91.6 to 1462+95.0

1462+95.0 to 1465+47.0

12'-0"12'-0"

"SCR"

Traveled way Traveled way

Profile grade

Profile grade

2-inch compacted depth

Hot asphalt concrete pavement

2'-0"

Shoulder

"ML" "MR"

Existing EP

Left turn lane

Existing slope Existing slope

1:3 Nominal

"ML"STATION

1457+91.6 to 1458+00.0

1458+00.0 to 1460+20.0

8'-0"

8'-0"

8'-0" to 12'-0"

8'-0"

0'-0"

FOOTNOTE:

1 Superelevate roadway on curves at the rate 'e' as indicated on the plan and profile curve data.

Construct slopes as shown in the Staking Report.

MEDIAN WIDTH TABLE

"MR"

1460+20.0 to 1462+40.0

1462+40.0 to 1462+95.0 12'-0" to 13'-0"

8'-0" to 4'-0"

4'-0" to 0'-0"

Shoulder

2'-0"

Existing ground

1'-0"

2%

2%

6'-0"

1'-0"

Subsurface drain

12-inch compacted depth

Aggregate base milling 2-inch depth

Asphalt pavement

STATION

1457+91.6 to 1458+00.0

1458+00.0 to 1462+95.0

26'-0"

1462+95.0 TO 1465+47.0

SAWCUT TABLE

"SCR"

26'-0" to 17'-0"

17'-0"

12-inch compacted depth

Aggregate base

STATE PROJECT

NUMBER

SHEET

TYPICAL SECTIONS

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R c c .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

C.3OR DOT 26(2)OR

placed in two equal lifts

6-inch compacted depth

Hot asphalt concrete pavement

Varies

1:3 Nominal 1:2

Guardrail placed in two equal lifts

6-inch compacted depth

Hot asphalt concrete pavement

:1

1:

Max

Varies 9'-0" to 2'-0"

PRELIM

IN

ARY

Not For

Con str uc

Varies

Sawcut

1:3

12'-6"

12'-6"

TYPICAL

MIRROR LAKE PARKING LOT

Shoulder ShoulderParking stall Parking stall

L

L grade

Profile

1:1.5

C

"S"

"M"

C

See US26 typicals on sheet C.2

Retaining wall

For details, see sheet H.4 grade

Ditch profile

1'

Varies grade

Ditch profile

C

"S"

L

Traveled wayTraveled way

18'-0"5'-0"1'-6"3'-0"Varies6'-0"

Sl op e va rie s

18'-0" 5'-0" 5'-0"

1.5% 1.5%

"M" 4+43.0 to 5+69.0

6-inch compacted depth

Aggregate base placed in two equal lifts

4-inch compacted depth

Hot asphalt concrete pavement

6-inch compacted depth

Aggregate base placed in two equal lifts

4-inch compacted depth

Hot asphalt concrete pavement

TYPICAL 2

EAST SKIBOWL PARKING LOT WIDENING

"S" 27+26.5 to 33+07.0

1:

2.0%

4'-0" Varies2'-0"

Existing EP

18'-0"

Parking stall

25'-0"

Traveled way

18'-0"

Parking stall

18'-0"

Parking stall

12'-6"

Depth 0" to 2"

Asphalt pavement milling crown

Existing

* "S" 24+30.0 to 24+80.0

"S" 24+80.0 to 27+26.5

TYPICAL 1

EAST SKIBOWL PARKING LOT WIDENING

1:2 1:

Existing EP

4'-0"

*10'-0"

Varies2'-0"

Traveled way

2-inch compacted depth

Hot asphalt concrete pavement overlay

FOOTNOTE:

Construct slopes as shown in the Staking Report.

**Varies 12'-6" to 26'-6"

** "M" 3+00.0 to 4+43.0

STATE PROJECT

NUMBER

SHEET

TYPICAL SECTIONS

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R c d .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

C.4OR DOT 26(2)OR

36-inch depth embankment special rock

Reinforced

For details, see sheet H.4 wall with pedestrian railing

Stone masonry rock seat

PRELIM

IN

ARY

Not For

Con str uc

LC

"NA"

LC

"SA"

4' 4'

Sl . 1 :2

Sl. 1:2

Sl. 1:2

Sl . 1 :2

LC

"T"

"T" 2+40.0 to 14+84.9

6-inch compacted depth

Aggregate base

"SA" 10+43.4 to 11+53.5

* "SA" 11+53.5 to 12+48.0 placed in two equal lifts

4-inch compacted depth

Hot asphalt concrete pavement 6-inch compacted depth

Aggregate base

1:2

1:3 2.0%

2.0%

1:3 1:2

1'-6"3'-0"2'-0" 14'-0" 14'-0"

*8'-0" *8'-0"

Traveled way Traveled way

2'-0"3'-0"

"NA" 5+89.0 to 9+80.0

6-inch compacted depth

Aggregate base placed in two equal lifts

4-inch compacted depth

Hot asphalt concrete pavement

1:2 1:3

2.0% 2.0%

1:3

1:2

1'-6"3'-0"2'-0" 14'-0" 14'-0" 2'-0"3'-0"

Traveled way Traveled way

"NA" 8+78.0 to 9+38.0

2'-0"

1:3

1:2

2'-0"3'-0"

Guardrail

"NA" 5+89.0 to 7+50.0

3-inch compacted depth

Sidewalk, decomposed granite

TYPICAL

NORTH ACCESS ROAD

TYPICAL

SOUTH ACCESS ROAD

TRAIL TYPICAL

Shoulder Shoulder

Shoulder Shoulder

STATE PROJECT

NUMBER

SHEET

TYPICAL SECTIONS

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R c e .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

C.5OR DOT 26(2)OR

sheet H.5

For details, see

Retaining wall

"T" 14+84.9 to 15+15.9 (Bridge Section)

PRELIM

IN

ARY

Not For

Con str uc

CP15105

CP15106

CP

CP

P .C .S

.5

T

TR

N

1443+001442+00

US HWY 26

1444+00 1445+001441+001440+001439+001438+00

Cut slope

Fill slope

Existing ground at CL

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

15105

15106

599386.062

599370.345

7874831.286

7875104.621

3603.18

3623.61

LEGEND

DEVICE SYMBOL

Check dam

Sediment trap

Riprap slope protection Sawcut

B e g in t a p e r

Sawcut

Taper 55:1

Paving limit

B e g in t a p e r

Taper 55:1

24"-75'

Area of potential effect

Area of potential effect

Profile grade at sawcut rt.

CUYD

EXC.

CUYD

EMB.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R d b .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR D.2OR DOT 26(2)

check dam, (Typ.)

Construct permanent

For details, see sheet I.2

Construct water quality swale - 200'

For details, see sheet I.3

Construct water quality swale - 200' For details, see sheet I.11

Construct sediment trap

1444+25 to 1444+45

Guardrail)

Terminal (Concrete Barrier/

(class 2)- 5.5 CuYd slope protection

Construct riprap match to existing ditch

(class 2) - 11.1 CuYd

Construct riprap slope protectionto Guardrail)

Transition (Concrete Barrier

For details, see sheet I.11

Construct sediment trap

1442+19 to 1442+39

BEGIN PROJECT

El 3606.72'

E 7874864.32

N 599356.90

1442+11.00

OR DOT 26(2)

PRELIM

IN

ARY

Not For

Con str uc

CP15107

CP15115

CP15116

CP15117

CP15119

CP

CP

CP

CP

CP

CP

"N A

N

A

N

A

N

A

N

A

N

A

P .T N

A

.4

P .C N

A

.1

P .T N

A

.7

P .C N

A

.3

P .T N

A

.9

P .C N

A

.0

P.T.

"NA" 9+

66.04

"NA" 10

+00.00

"SA" 10+00.00

L = 233.43'

T = 123.45'

R = 290.00'

L = 71.62'

T = 36.20'

R = 200.00'

L = 62.60'

T = 31.42'

R = 300.00'

L

.0

T

.3

R

.0

M

T

N

1450+001449+00

US HWY 26

1451+00 1452+001448+001447+001446+00

LExisting ground at C

340 Riparian reserve

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

15107

15115

15116

15117

15119

599259.782

599332.096

599243.367

599426.592

599430.648

599375.147

7875300.883

7875552.630

7875694.833

7875610.522

7875724.574

7875847.876

3637.13

3647.20

3656.19

3657.45

3660.70

3669.88

Barlow road

Sawcut

Sawcut

Cut slope E n d t a p e r

Taper 13:1

NORTH ACCESS ROAD

24"-160' 24"-10'

24"-110' by others power and communications

Relocate underground communications by others

Relocate underground

End taper 1448+07.0

.0

P .T

.5

Profile grade at sawcut rt.

Taper 18:1

1433+50, 52' rt.

Begin taper barrier rt.

Concrete

P .O .T

.4

V

P .O .T

.4

CUYD

EXC.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R d c .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR D.3OR DOT 26(2)

check dam (Typ.)

Construct permanent buried in backslope

Concrete barrier grate and 2' sump type I, with type A

Construct catch basin

1452+29.75

Protect Barlow Road

For details, see sheet H.5

Construct retaining wall by others

Relocate utility pole grate and 2' sump type I, with type A

Construct catch basin

1452+19.75

1446+90.0

Begin taper 1446+51.0

End taper profile for plan and

See sheet E.2

"NA" line for plan and profile

See sheet E.3

"SA" line

For details, see sheet I.11

Sediment trap

1450+41 to 1450+61

For details, see sheet I.11

Construct sediment trap

1450+31 to 1450+51

PRELIM

IN

ARY

Not For

Con str uc

CP

CP

N

1457+001456+00

US HWY 26

1458+00 1459+001455+001454+001453+00

Cut slope

Fill slope

LExisting ground at C

Existing permanent easement

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

599242.184

599277.501

7876027.378

7876444.999

3671.71

3686.50

24"-21'

Sawcut

Sawcut

Begin taper rt.

Taper 55:124"-10'

24"-66'

Area of potential effect

1458+00

Taper 18:1

1433+50

End taper rt.

Concrete barrier rt.

Protect Barlow road

Profile grade at sawcut rt.

CUYD

EXC.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R d d .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR D.4OR DOT 26(2)

check dam (Typ.)

Construct permanent

Barlow road

Protect Barlow road type A grate and 2' sump

Construct catch basin, type I with

1456+39.15 type A grate and 2' sump

Construct catch basin, type I with

1456+49.15

For details, see sheet I.11

Construct sediment trap

1457+10 to 1457+30

PRELIM

IN

ARY

Not For

Con str uc

CP15108

CP

CP

P .I

.0

TR T

N

1464+001463+00

US HWY 26

1465+00 1466+001462+001461+001460+00

Fill slope

LExisting ground at C

340' Riparian reserve

Existing permanent easement

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

15108

599253.871

599273.008

7877036.257

7876694.499

3698.42

3693.26

Taper 55:1 sign existing

Protect

Sawcut

Paving limit

24"-10'

24"-105'

Area of potential effect

Area of potential effect

Profile grade at sawcut rt.

Concrete barrier rt. Guardrail rt.

CUYD

EXC.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R d e .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR D.5OR DOT 26(2)

with type A grate and 2' sump

Construct catch basin, type I

1462+34.82 with type A grate and 2' sump

Construct catch basin, type I

1462+24.82

.0

E n d B e g in t a p e r

.0

E n d t a p e r

Taper 25:1

END PROJECT

El 3702.87'

E 599203.02

N 7877194.97

1465+47.0

OR DOT 26(2)

PRELIM

IN

ARY

Not For

Con str uc

CP15107

CP15116

CP15117

CP

CP

CP

CP

CP

P .O .T

.4

V

P .O .T

.4

"N A

N

A

N

A

N

A

N

A

N

A

P .T N

A

.4

P .C N

A

.1

P .T N

A

.7

P .C N

A

.3

P .T N

A

.9

P .C N

A

.0

P.T.

"NA" 9+

66.04

"NA" 10

+00.00

M

.0

"SA" 10+00.00

P .T

.5

L = 233.43'

T = 123.45'

R = 290.00'

L = 71.62'

T = 36.20'

R = 200.00'

L = 62.60'

T = 31.42'

R = 300.00'

L

.0

T

.3

R

.0

.0

.0

.0

.7

.0

.9

.0

.1

.0

.9

1.0000%

6.0

-1.0000% 2.0000%

130' VC

K=26

84' VC

K=12

60' VC

K=20

TT

N

US HWY 26

10+008+007+006+005+004+00

9+00

Cut slope

Fill slope

Profile grade at CL

Existing ground at CL

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

15107

15115

15116

15117

599332.096

599243.367

599426.592

599430.648

7875552.630

7875694.833

7875610.522

7875724.574

3647.20

3656.19

3657.45

3660.70

Match existing

Barlow road

"NA" line

P.I. "SA" 10+00.0

P.I. "NA" 10+00.0=

P.O.T. 1451+14.0=

NORTH ACCESS ROAD

"N A

Area of potential effect

"NA" Line

Paving limits

R4 0'

R18'

CUYD

EXC.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R e b .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR E.2OR DOT 26(2)

Guardrail rt.

See sheet E.3 for plan and profile

"SA" line by others

Relocate utility pole

For details, see sheet H.5

Construct retaining wall road

Barlow

Protect

PRELIM

IN

ARY

Not For

Con str uc

P G

E

S S

M H

S S

M H

S S

M H

C P

C P

C P

C P

E M

H

P .C S

A

.5

N

A

.0

"M" 6+00 S

A

S

A

S

A

S

A

.0

P .T S

A

.8

L = 71.32'

T = 36.04'

R = 200.00'

.4

.8

.5

.2

.2

.8

.0

.2

.0

.2

-2.0000% 2.0000%

-14.0000%

-12.5000%

60' VC

K=15

30' VC

K=2

12' VC

K=8

N

U S H

W Y

14+009+00

10+00 11+00 12+00 13+00 slope

Cut

Profile grade at CL

Existing ground at CL

3635 3635

340' Riparian reserve easement permanent

Existing

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

15115

15128

599243.367

599092.560

7875694.833

7875721.811

3656.19

3652.36

Match existing

P.I. "SA" 10+00.0

P.O.T. 1451+14.0=

"SA" line

SOUTH ACCESS ROAD

P.O.C. "M" 6+03.93

P.O.C. "SA" 11+38.52=

limit

Paving existing gate

Remove and replace

Area of potential effect

R4 0'

R

CUYD

EXC.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R e c .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR E.3OR DOT 26(2)

S

A for plan and profile

See sheet E.4

"M" line

PRELIM

IN

ARY

Not For

Con str uc

TV

CP15114

CP15115

CP15120

CP15121

CP15122

CP15128

CP

CP

CP

CP

CP

CP

T

"T" 4+00

"T

M

M

M

M

M

M

.0

P .C

M

.0

P .R .C

M

.0

P .T

M

.3

M

.3

"SA" 11+00

"SA" 12+00

L = 225.00'

T = 113.48'

R = 700.00'

L = 108.31'

T = 54.75'

R = 300.00'

M

.0

.0

.0

.2

.5

.3

.0

.1

.0

.6

2.0000%

3.000 0%

5.5

2.5000

65' VC

K=26

36' VC

K=12

N

4+00

3+00 5+00 6+00 7+00 8+00 9+00

Fill slope

LProfile grade at C

LExisting ground at C

MIRROR LAKE PARKING LOT

PARKING

LOT

SKI BOWL

easement permanent

Existing

340' Riparian reserve

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

15115

12120

15121

15122

15128

599102.693

599243.367

599163.245

599121.573

599170.807

599092.560

7875852.976

7875694.833

7875637.807

7875525.595

7875377.030

7875721.811

3665.47

3656.19

3656.26

3643.99

3642.210

3652.36

15114

Sawcut

Match existing

"M" line restroom vault

Construct

"SA line"

S O

U T

H A

C C

E S S

R O

A D

N O

R T

H A

C C

E S

S R

O A

D

P.O.C. "SA" 11+38.52

P.O.C. "M" 6+03.94=

24"-78'

Area of potential effect road

Barlow manhole sanitary

Protect vault communications

Protect

"M" Line

Cut slope gutter concrete

Construct kiosk

Construct table

Picnic

CUYD

EXC.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R e d .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR E.4OR DOT 26(2)

M

.0 with pedestrian railing masonry guard wall

Construct stone For details, see sheet H.4

Construct retaining wall

PRELIM

IN

ARY

Not For

Con str uc

CP15120

CP15121

CP15122

CP15128

CP

CP

CP

CP

CP

N

Cut slope

MIRROR LAKE PARKING LOT

340' Riparian reserve

Existing permanent easement

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

15115

12120

15121

15122

15128

599243.367

599163.245

599121.573

599170.807

599092.560

7875694.833

7875637.807

7875525.595

7875377.030

7875721.811

3656.19

3656.26

3643.99

3642.210

3652.36 spaces parking

Handicap

T y p

Typ.

9'

Fill slope

5'

5'

"M" Line

Protect trees

M

M

M

M

"SA" Line

US HWY 26

S O

U T

H A

C C

E S

S R

O A

D

Area of potential effect restroom vault

Construct table

Picnic kiosk

Construct gutter concrete

Construct

R

R1 0'

R

R

R

R10'

STATE PROJECT

NUMBER

SHEET

SITE PLAN

MIRROR LAKE PARKING LOT

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R e e .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

E.5OR DOT 26(2)OR

plaza

Stone sidewalk granite

Decomposed

See sheet E.6

"T" Line

PRELIM

IN

ARY

Not For

Con str uc

CP15122

CP15123

CP15124

CP15125

CP15126

CP15127

CP

CP

CP

CP

CP

CP

CP15129

CP

CP

CP15130

CP15131

CP

N Cut slope

Existing Permanent easement

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

15122 599170.807 7875377.030 3642.21

15123 599067.778 7875318.713 3625.95

15124 598970.865 7875270.721 3613.40

15125 599040.016 7875194.537 3605.67

15126 599154.982 7875218.116 3622.81

15127 599198.635 7875116.760 3620.36

15129 599062.207 7875063.790 3597.90

15130 599144.807 7875000.431 3605.52

"T

"T

"T " 1

"T " 1

T

"T " 1

0+

"T" 9+00

"T" 8+

T

"T

"T

"T" 4+00

T

(typ.)

Grade break

(typ.)

7.5% w/ 2% landings

Construct 30' ramp @

Grade break

"T" Line

340' Riparian reserve

Area of potential effect

Area of potential effect

Area of potential effect

S lo p e .5

Slope 2%

See sheet H.1

Proposed bridge

STATE PROJECT

NUMBER

SHEET

SITE PLAN

MIRROR LAKE TRAIL

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R e f.

d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

E.6OR DOT 26(2)OR

PRELIM

IN

ARY

Not For

Con str uc

EV

TV

TV

CP1511

CP

W

W

W

W

W

W

S

S

S

S

S

S

P .C S

.4

P .T S

.8

P .C S

.1

P .T S

.3

P .C S

.9

P .C .C S

.8

"C " 2

+00

"C " 3

+00

L = 22.40' T = 11.21' R = 300.0

0'

L = 55.24' T = 27.70' R = 300.00'

L = 37.87'

T = 18.96'

R = 300.00'

L =

4.2 2'T =

9.5

2' R =

9.0 0'

.0

.8

.0

.8

.0

.8

.0

.4

.1

.7

.1

.0

-10.0000% 0.0000%

.0

0%

1.1000%

2.3000%

N

Cut slope

Existing permanent ea sement

340' Riparian Reserve

SKI BOWL PARKING LOT

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

Existing ground at EP

Profile grade at EP

L

15112 599017.280 7876538.815 3671.56

Profile grade at Ditch C

Barlow road

"S" Line

24+00 25+00 26+00 27+00 28+00 29+00

S

Sawcut

Paving limit

' T y p

Typ.

9'

' T y p

' T y p

Area of potential effect by others

Relocate utility pole valve water

Protect

"S" Line

CUYD

EXC.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R e g .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR E.7OR DOT 26(2)

"C " 1

+00 .00

Construct permanent check dam typ.

"C" Line

For details, see sheet I.4

Construct 18" storm system

For details, see sheet I.5

Construct water quality pond

For details, see shee I.11

Construct sediment trap

"S" 25+16 to "S" 25+36

PRELIM

IN

ARY

Not For

Con str uc

CP15109

CP15110

CP15111

CP

CP

CP

W

W

W

W

W

S

S

S

S

S

S

P .T S

.0

P .C S

.7

P .T S

.2

P .I S

.1

S

.5

L = 254.22'

T = 129.52'

R = 539.00'

L = 85.48'

T = 43.40'

R = 200.00'

.1

.7

.2

.6

.5

.9

3.90 00%

4.30 00%

6.0

N

Cut slope

Existing permanent easement

SKI BOWL PARKING LOT

NAME NORTHING EASTING ELEVATION

CONTROL POINTS

599063.762 7877102.740 3691.5315110

Existing ground at EP

Profile grade at EP

L

15111 598987.526 7876812.792 3680.25

Profile grade at Ditch C

"S" Line

Sawcut

30+00 31+00 32+00 33+00 34+0029+00

15109 599155.600 7877334.970 3704.05

US HWY 26

Paving limit

Area of potential effect valve by others

Adjust water

S pole by others

Relocate utility

.5

.9

"S" Line

CUYD

EXC.

SHEET

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R e h .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

OR E.8OR DOT 26(2)

(class 2) protection - 5.8 Cu Yd

Construct riprap slope check dam typ.

Construct permanent

For details, see sheet I.11

Construct sediment trap

"S" 30+19 to 30+39

PRELIM

IN

ARY

Not For

Con str uc

N

US HWY 26

Ca mp c re ek

Area of potential effect

STATE PROJECT

NUMBER

SHEET

DECOMISSIONED TRAIL

EXISTING MIRROR LAKE

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R e i.

d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

E.9OR DOT 26(2)OR

V

V

V

L = 610.58 ft

T = 337.89 ft

R = 572.96 ft

P .C .S

V

.6

V

V

V

P .T

V

.6

V

V

V guardrail

Connect to existing along shoulder

Extend guardrail

Remove existing bridge

"46V-126" Line guardrail

Connect to existing

PRELIM

IN

ARY

Not For

Con str uc

Joint Ski Bowl + NFS Trailhead Sign Monument Special Rock Embankment

(allows Snow Storage and Drainage)

Info Kiosk w Interpretive Panel Restroom

Heavy Timber Picnic Table

(12) Stone Seat w Etched Symbols

Joint Ski Bowl + NFS Trailhead Directional Sign

Info Kiosk w Interpretive Panel Restroom Directional Sign

Stone Masonry Guard Wall with Pedestrian Railing

F R O N T S I D E

Preserve Existing Trees, if possible

Buffer Plantings

Stone Seat, typ.

Decomposed Granite Paving

Stone Sidewalk Paving

S I L C O X H U T S T Y L E

Interpretive Panel (one side)

2.5’

5’

8’

8’

F.1

MIRROR LAKE PARKING LOT

LANDSCAPE ARCHITECT

CONCEPT

PRELIM

IN

ARY

Not For

Con str uc

CONSTRUCTION ENTRANCE - TYPE 1

CONSTRUCTION ENTRANCE - TYPE 2

SECTION B-B

SECTION A-A

SECTION C-C

(TYPE 1 OR 2 WITH EXISTING CURB)

CONSTRUCTION ENTRANCE - TYPE 3

WOODEN CURB RAMP SECTION D-D

Subgrade geotextile aggregate min 8" thick 4"-1" Open graded drain to sediment settling basin Slope construction entrance to

Subgrade geotextile

Roadway construction entrance grade exceeds 2% Diversion ridge required where

2% or grea ter

8" min

(See RD1070) lined with plastic Sandbags or, straw bales

Spillway settling basin Sediment

(See table) Length settling basin provide a sediment If water is collected

FlowFlow ridge Diversion

Min 20'

Provide water to wash tires

15' Min radius residential 25' Min radius commercial

15' Min radius residential 25' Min radius commercial

(See table) Length

Min 20' lined with plastic Sandbags or, straw bales

Spillway

F lo w F lo w

Sediment settling basin not removed for the construction entrance.

entrances in situations where there is curb and the curb is

2. The wooden ramp may be used on either type 1 or type 2 ridge or settling basin.

1. The type 1 entrance is a simple entrance without a diversion

Notes:

(See table) Length

8" Thick over subgrade geotextile 4"-1" Open-graded aggregate min

15' Min radius residential 25' Min radius commercial ramp Wooden

Curb

R o a d w a y

Leave 3" gap for drainage

Wooden ramp (2X4, 2X8, 2X12)

Paved roadway

Aggregate base

Wooden curb rampConstruction entrance

Curb

Length (FT)

Area Of Exposed Soil (Acre)

0.25

0.25 A 1.0

A > 1.0

B B

B B

Min 20'

A A

R o a d w a y

C C

MINIMUM LENGTH

CONSTRUCTION ENTRANCE TABLE

DD

R o a d w a y

STATE PROJECT

NUMBER

SHEET

ENTRANCES

CONSTRUCTION

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R g h .d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

G.8OR DOT 26(2)OR

PRELIM

IN

ARY

Not For

Con str uc

(SHOWN WITH AGGREGATE)

TYPICAL PROFILE SECTION CHECK DAMS

SANDBAG CHECK DAM - TYPE 4

AGGREGATE CHECK DAM - TYPE 1

BIOFILTER BAG CHECK DAM - TYPE 3

SECTION A-A

PLAN

Elevation "U" equals Elevation "D".

L = Spacing along swale or ditch so that when specified or directed Excavate sediment trap

4' Min. (typ.)

24" Min.

Flat

Sl. 1:2

12"

Top of bank

"U" Elev.

Sl . 1 :2

Sl. 1:2

Flow LC ditch

L "D"

Elev.

Sl . 1 :2

Sl. 1:2

Check dam

Width per plan

Pt "B"

Pt "A"

3" Countersink

H+6"

4" - 1" Rock of 6" higher than Pt "B" Pt "A" must be a minimum

NOTE:

Width per plan

Pt "B" Sandbags

Pt "A"

3" Countersink energy dissipation extending 3' downslope for polyethylene plastic sheeting To prevent erosion, place 10 mil.

of 6" higher than Pt "B" Pt "A" must be a minimum

NOTE:

comply with the typical profile section shown above.

3. Spacing between check dams for all check dam types shall

2. Type 4 - Tightly abut or overlap ends of sandbags at each joint.

surfaces. Overlap bags 6" min at each joint.

flush with the top of the bags. Omit stakes if placed over paved stakes per bag. Drive stakes a minimum of 6" into the ground and

1. Type 3 - stake biofilter bags with two 2" X 2" X 18" (min) wood

NOTES: SPACING "L"

MAXIMUM CHECK DAM

Ditch

Grade

6%

5%

4%

3%

2% 25'

H=6" H=12"

15'

20'

25'

30'

50'

15'

80'

50'

40'

30'

25'

H=18"

H = Min dam height

* * Not Allowed

Width per plan

Pt "B"

Pt "A"

3" Countersink of 6" higher than Pt "B" Pt "A" must be a minimum

NOTE:

T o p o f b a n k

T o p o f b a n k

A

F lo w

A

12" Overlap (typ)

STATE PROJECT

NUMBER

SHEET

TYPE 1, 3 AND 4

CHECK DAMS

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R g i.

d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

G.9OR DOT 26(2)OR

PRELIM

IN

ARY

Not For

Con str uc

POST SPACING OVERLAP CONNECTIONTURNED ENDS CONNECTION

SEDIMENT FENCE AND GEOTEXTILE BURY DETAIL - TYPE 1 SEDIMENT ALTERNATE FENCE W/O TRENCHING - TYPE 2

SECTION A-AFRONT VIEW

PLAN VIEW TERMINATION AT CORNER OR PROPERTY LINE TABLE 2

TABLE 1

FOR GENERAL APPLICATION

FENCE SPACING

5. Wing spacing shall comply with table 1.

to the toe of a slope.

4. Locate fence no closer than three feet and soil on uphill side of fence.

3. Compact filter fabric trench backfill geotextile.

posts to prevent separation from side of sediment fence. Position

2. Posts to be installed on downhill

1. Use 2" X 2" wood fence posts.

NOTES:

of two full wraps.

end posts a minimum fence by wrapping Join two runs of is trapped fence to assure sediment Angle ends of sediment

Flow

Flow end connection or the post spacing overlap either the turned ends Connect fence ends with

Geotextile

A A

4'-0"

2'-6"

6"

1'-6"

Post

2'-6"

4'-0"

1'-6"

6"

6"

Flow Existing ground aggregate (if specified) 3/4"-0" dense graded Compacted native backfill or

Geotextile fencing with sewn-in post pockets.

2. Not approved for use with sediment

1. Use must be approved by the engineer.

NOTES:

1'-6"

2'-6"

Post geotextile Sediment fence soil, or approved equal 3/4" min. rock, mineral Bury 1' flap of fence with geotextile Sediment fence

Existing ground

Flow

1'-0"

1'-0" min.

(see table) grade Spacing on

G rade %Flo w

Flo w of slope break up length Install wings to

1 post spacing min

GEOTEXTILE END CONNECTIONS

Sediment Fence with Geotextile elongation less than 50%

Sediment Fence with Geotextile elongation 50% or more

POST SPACING

6'

4'

CONTOURS AS FOLLOWS

INSTALL PARALLEL ALONG

GRADE

ON GRADE

MAXIMUM SPACING

Grade

Grade

Grade

Grade

Grade

300'

150'

100'

50'

25'

10%

15%

20%

30%

10%

15%

20%

30%

STATE PROJECT

NUMBER

SHEET

SEDIMENT FENCE

M a y

I n t_ ft

F F

H A

X

C A

D R

H S

H E

E T S O

R g j.

d

C h e c k e d b y

D e s ig n e d b y D a n I li y n

G.10OR DOT 26(2)OR

PRELIM

IN

ARY

Not For

Con str uc

WESTERN FEDERAL LANDS HIGHWAY DIVISION

U.S. DEPARTMENT OF TRANSPORTATION

OREGON

NO. DATE BY REVISIONS DESIGNED BY DRAWN BY CHECKED BY SCALE PROJECT TEAM LEADER

AS SHOWN ON PLANS

NO. DATE BY REVISIONS

BRIDGE DRAWING

of

DATE DRAWING NO.

OR

STATE PROJECT

SHEET

T. STONESD. ALTENBURGA. BLANKENSHIP T. STONES

NOT FOR CONSTRUCTION

PRELIMINARY

MAY 2016

MOUNT HOOD

NATIONAL FOREST

OR DOT 26(2)

MIRROR LAKE TRAILHEAD

L

C le a r w id th

29'-6"

C Structure

28'-0"

B a c k w a ll w id th

PLAN

" = 1'-0"2

1Scale:

deck planks

3" x 8" Minimum

C a m p C r k running planks

2" x 8" Min.

@ 5'-0" max.

4" x 6" Rail posts

9" 9"

3582.72, Typ.

O.H.W.

Top of bank

C Abut. 2

Sta. "T" 15+15.15

L

Top of bank

LC Abut. 1

Sta. "T" 14+85.65

C StructureL see notes

Solid wood blocking, P o s t le n g th larch S1 stringers @ 2'-6"

3 - 8" x 24" Douglas fir

C Stringer, typ.L

S4S Blocking

4" x 6" x 1'-2" deck planks

3" x 8" Minimum

Clear width

6'-0" running planks

2" x 8" Min.

TYPICAL SECTION

" = 1'-0"4

3Scale: E le v a ti o n i n F e e t

" = 1'-0"2 1Scale:

ELEVATION3580

C Structure

Extg. ground @

L larch stringers

8" x 24" Douglas fir

@ 5'-0" max.

4" x 6" Rail posts

O.H.W El. 3582.72

B a c k w a ll

31'-0"

8" x 18" Timber sill, typ.

El. 3585.7

Low chord

El. 3582.7

Btm. conc. footing

Typ.

1'-6"

Concrete footing

C Abut. 1

Sta. "T" 14+85.65

L

9"

C Abut. 2

Sta. "T" 15+15.15

L

9"

Abut. 2

Abut. 1

N

HYDRAULIC DATA

DISCHARGE (cfs) 65.7

2-YEAR

Elevation - (Feet)

Water Surface

3582.72 3583.55 3583.73 3584.19

50-YEAR

100-YEAR

500-YEAR

Velocity at Bridge - (ft/sec)

Average Channel flow

Velocity Upstream of Bridge - (ft/sec)

Average Channel flow

3.65 5.22 5.52 6.25

4.06 5.74 6.11 6.96

01 XXXXXX-X

PLAN AND ELEVATION

CAMP CREEK BRIDGE

H.1

PRELIM

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U.S. DEPARTMENT OF TRANSPORTATION

OREGON

DATE DRAWING NO.

OR

STATE PROJECT

PRELIMINARY

MAY 2016

MOUNT HOOD

NATIONAL FOREST

OR DOT 26(2)

MIRROR LAKE TRAILHEAD

U n ti tl e d S h e e t

P d x fs p r o je c t\

F F

H A

X

C A

D E

B S

H E

E T S

M L T F

H A

X

G N

.d g n stringer sides.

suspended in steel hangers that are nailed to blocks and

Wood blocking shall be bolted to stringers with steel angles or 7.

the depth of the beam from the centerline of bearing.

to full depth and placed within a distance of 4 3bracing shall be

Bracing required at the ends of girders and at midspan. The 5.

Do not located more than 1 rail splice and any one post.

Splice rails at posts. Rails shall be continuous for 2 post spaces. 4.

air circulation.

" space between blocking and backwall for 2 1Provide a minimum 3.

2'-0" spacing. Alternate sides with 2 at each end.

Fasten running planks to deck with 40d (5" ring shank) nails at 2.

shank nails per plank at each stinger. Alternate sides.

" dia. x 7" ring 16 5Fasten deck planks to stringers with 2 rows of 1.

CONSTRUCTION NOTES: CAMP CREEK BRIDGE

GENERAL NOTES: CAMP CREEK BRIDGE (CONTINUED)GENERAL NOTES: CAMP CREEK BRIDGE

6'-0"

620 lbs. 680 lbs.

620 lbs. 680 lbs.

No Scale

LIGHT-WEIGHT UTILITY VEHICLE DIAGRAM

the plans.

timber. Field drilling of holes shall not be allowed unless otherwise noted on planks). Show all dimensions and fabrication details for all cut or bored

Submit shop drawing for all bridge components (except timber running

FABRICATION:

intended use or service.

accordance with AWS D1.1 and shall be suitable for the grade of steel and

When structural steel is to be welded, the welding procedure shall be in iron washers against wood unless otherwise noted.

50W, with bolts and nuts conforming to ASTM A325, Type 3. Use malleable steel and hardware shall meet the requirements of AASHTO M270 Grade

36, with nuts and bolts conforming to ASTM A307, Grade A weathering unfinished hardware shall meet the requirements of AASHTO M270, Grade

See project design criteria for steel hardware finish. Galvanized or

HARDWARE AND STRUCTURAL STEEL:

holes shall be filled with preservative prior to inserting the fasteners.

solution. Where approved field drilling of bolt of nail holes is required, the carefully trimmed and given three brush coats of the field treatment wood. All abrasion and field cuts - approved by the C.O.R - shall be

Copper naphthenate (2% solution) shall be furnished for field treating OD

FIELD TREATMENT:

-Copper Naphthenate (CuN) in heavy oil

-Pentachlorophenol in heavy oil (Type C solvent) ground contact-heavy duty (UC4B)

-AWPA Use category system (U1) for use category 4B

Sills,Backing Planks, Cribs, & Timber Walls, if treated

-Copper Naphthenate (CuN) in light oil

-Pentachlorophenol in light oil (Type C solvent) above ground-exposed (UC3B)

-AWPA use category System (U1) for use category 3B

Stringers, Decking, Running Planks, & Railing System, if treated

Aquatic Environments".

(WWPI) " Best Management Practices For The Use Of Treated Wood In requirements of the current edition of Western Wood Preservers Institute treatment materials listed below. Treatment will comply with the

American Wood Protection Association (AWPA) Specifications using the type. Preservative treatment shall be in accordance with the current

See project criteria for members identified to be treated and for treatment

TREATMENT:

02 XXXXXX-X

AND TABULATION OF QUANTITIES

BRIDGE GENERAL NOTES

H.2 agency - WWPA, WCLIB

-Hem-fir/douglas fir, S4S, no. 1 grade, grading rules

Treated:

agency - WWPA, WCLIB

-Western red cedar, select structural grade, grading rules

-Redwood, S4S, no 1 grade, grading rules agency - RIS

Untreated:

Rails & Posts grading rules agency - WWPA, WCLIB

-Coastal region douglas fir-larch rough sawn no.2 grade, Running Planks grading rules agency - WWPA, WCLIB

-Coastal region douglas fir-larch rough sawn no.1 grade, Deck planks, curbs, sills, & backing planks for the species, type, and grade specified below.

Solid sawn timber members shall conform to the requirements of the grading rules agency

TIMBER AND LUMBER:

Horizontal and vertical datum provided by WFLHD control points.

DATUM:

spacing is intended to be maximum unless noted otherwise.

minimum concrete covering to the face of any bar shall be 2", unless shown otherwise. All

All reinforcing steel shall conform to AASHTO M31 or M332, Grade 60 deformed. The

REINFORCING STEEL:

All other timber shall be Douglas Fir Larch Grade #2 or better.

Girders shall be Douglas Fir Larch Grade #1 or better.

TIMBER:

For all new concrete provide a Class 1 finish.

CONCRETE FINISH:

unless otherwise shown on the plans.

", 4 3concrete shall be made with low-alkali cement. Chamfer exposed edges of all concrete f'c=3000 psi. All Class A (AE) concrete shall be made with Type II cement. All Class A (AE)

Provide structural concrete, Class A (AE) with a minimum 28-day compressive strength

CAST-IN-PLACE CONCRETE:

Reinforced concrete designed by Load and Resistance Factor Design Method.

DESIGN CRITERIA:

The bridge is not designed for seismic loading.

SEISMIC LOADS:

Light-weight Utility Vehicle - see detail this sheet

LIVE LOAD:

The bridge is designed for 90 psf pedestrian live load.

PEDESTRIAN LIVE LOAD:

Equivalent to a fluid weighing 40 lbs per cubic foot.

LATERAL EARTH PRESSURE:

TIMBER: 0.06 kips pere cubic foot.

CONCRETE: 0.15 kips per cubic foot.

DEAD LOAD:

shall be notified of any discrepancies that may exist before performing related work.

Contractor to field verify all dimensions and elevations prior to ordering material. The CO

Specifications for Construction of Trails and Trail Bridges on Federal Projects.

Bridges on Federal Highway Projects, FP-14, US Customary Units, and and Standard

Federal Highway Administration Standard Specifications For Construction of Roads and

CONSTRUCTION:

Construction.

2015 Interim Revisions and the 2005 National Design Specification (NDS) for Wood

AASHTO LRFD Guide Specifications for the Design of Pedestrian Bridges, 2nd Edition with

DESIGN:

SPECIFICATIONS:

PRELIM

IN

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Not For

Con str uc

U.S. DEPARTMENT OF TRANSPORTATION

OREGON

DATE DRAWING NO.

OR

STATE PROJECT

PRELIMINARY

MAY 2016

MOUNT HOOD

NATIONAL FOREST

OR DOT 26(2)

MIRROR LAKE TRAILHEAD

U n ti tl e d S h e e t

P d x fs p r o je c t\

F F

H A

X

C A

D E

B S

H E

E T S

M L T F

H A

X

G N

.d g n

For additional geotechnical information, see Geotechnical Memorandum.

For sliding calculations, the coefficient of friction is 0.40 and the geotechnical resistance factor is 1.0.

Contract Officer and all representatives, (C0).

2. Construct wall on suitable foundation materials and backfill with suitable material as directed by the

1. The base of the wall is constructed a minimum of 2 ft below final ground surface.

Nominal bearing resistance is based on the following three conditions:

Nominal Bearing Resistance (based on 9-ft reinforcement length) = 5,500 psf. Apply a resistance factor of 0.65.

(Note: Cohesion neglected for all materials.)

Foundation material = XXX lbs/ft3, Effective Friction Angle = XX°

MSE Select Granular Backfill: Unit weight = XXX lbs/ft3, Effective Friction Angle = XX°

MSE Walls are designed for the following soil property values:

GEOTECHNICAL INFORMATION:

Neglect passive pressure resistance on the toe of the wall.

Live Load surcharge pressure = 200 psf

All welded connections at transverse grid members <= 0.48 Fy

Strip or grid-type reinforcements and connections <= 0.55 Fy

Allowable tensile stress in steel reinforcements shall meet the following limits:

Carbon steel loss = 0.47 mils per year after zinc depletion.

Zinc galvanization loss = 0.16 mils per year for the subsequent years.

Zinc galvanization loss = 0.59 mils per year for the first 2 years.

Use the following loss rates for galvanized steel soil reinforcements:

Provide a minimum service life of 100 years for all wall components.

Extensible soil reinforcements are not permitted.

seismic loads.

responsible for internal, sliding, applied bearing pressure, and overturning stability under static and design

The Engineer has performed global stability, bearing capacity, and settlement calculations. The wall supplier is

DESIGN CRITERIA:

period seismic event. The assumed site factor (Fpga) is X.X.

Design for a ground surface peak ground acceleration of X.XXX g. The design earthquake is a 1000-year return

SEISMIC LOADS:

Manual, Chapter 10, FHWA updated March 2008.

AASHTO LRFD Bridge Design and Specifications with Interims and Errata, and the Project Development & Design

Reinforced Soil Slopes - Volumes I and II (Publication No. FHWA-NHI-10-024, FHWA GEC 011), 4th Edition

Design shall conform to the requirements of Design and Construction of Mechanically Stabilized Earth Walls and

DESIGN:

notified of any discrepancies that may exist before performing related work.

The Contractor shall field verify all dimensions and elevations prior to ordering material. The Engineer shall be

Special Contract Requirements.

Construction of Roads and Bridges on Federal Highway Projects, FP-14, US Customary Units and the Project

All material and workmanship shall conform to the Federal Highway Administration Standard Specifications for

CONSTRUCTION:

GENERAL NOTES: MIRROR LAKE PARKING LOT WALL

03 XXXXXX-X

AND TABULATION OF QUANTITIES

RETAINING WALL GENERAL NOTES

H.3

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