2058_Resurfacing2.pdf

RECOMMENDED

FOREST ENGINEER

APPROVED

DISTRICT RANGER

DATE

DATEVICINITY MAP

2058 RESURFACING

THORNE BAY RANGER DISTRICT

TONGASS NATIONAL FOREST

USDA FOREST SERVICE - TONGASS NATIONAL FOREST SH. ofR-10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPER

TONGASS

ENGINEERING & RECREATION TNFTYP:09/04

132°136°138°140°142° 134°

JUNEAU

Craig

132°

KEY MAP

GULF OF ALASKA

56°

58° Sitka

138°

60°

Yakutat

ALAS

KA

142°

62°

C

AN

AD

A

140°

Skagway

136° 134°

56°

54°

Ketchikan

Wrangell

Petersburg

58°

130° 128°

2058 RESURFACING TITLE SHEET

THORNE BAY RANGER DISTRICT

10/2017

C. LAVOIE 10/2017

10/2017

10/2017

10/2017 10/2017

01_TITLE_SHEET.DWG

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SCALE IN MILES

25 0 25 50

Thorne Bay

PROJECT

LOCATION

INDEX TO SHEETS

NO. DESCRIPTION

TITLE SHEET

AGGREGATE OVERLAY

PROJECT DETAILS

EROSION CONTROL

REVILLAGIGEDO

ISLAND

CLEVELAND

PENINSULA

KUPRENOF ISLAND

ETOLIN ISLAND

ZAREMBO ISLAND

KOSCIUSKO ISLAND

KUIU ISLAND

C

L

A

R

E

N

C

E

S

T

R

A

I

T

DIXON

ENTRANCE

PACIFIC

OCEAN

PRINCE OF

WALES

ISLAND

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USDA FOREST SERVICE - TONGASS NATIONAL FOREST SH. ofR-10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPER

TONGASS

ENGINEERING & RECREATION TNFTYP:09/04

2058 RESURFACING PROJECT DETAILS

THORNE BAY RANGER DISTRICT

10/2017

C. LAVOIE 10/2017

10/2017

10/2017

10/2017 10/2017

ACAD.DWG

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NFSR# 2000640 MP 2.12

STOCKPILED AGGREGATE

NFSR# 2000630 MP 0.19

STOCKPILED AGGREGATE

NFSR# 2000610 MP 0.3

STOCKPILED AGGREGATENFSR# 2058 MP 4.7

END BASE ITEM WORK

NFSR# 2058 MP 0.0

BEGIN BASE ITEM WORK

NFSR# 2054 MP 7.38

END OPTION ITEM 1 WORK

NFSR# 2054 MP 0.0

BEGIN OPTION ITEM 1 WORK

F

H

NAUKATI

PRINCE OF WALES ISLAND

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TYPICAL SEDIMENT CONTROL AT CULVERTS

NOTES:

SILT FENCE CONSISTS OF WOVEN WIRE FENCE FABRIC WITH A MAXIMUM 6 INCHES MESH, MINIMUM HEIGHT

30 INCHES.

THE CO MAY REQUIRE ADJUSTMENTS TO ACTUAL LENGTHS OR LOCATIONS TO FIT FIELD CONDITIONS.

INSPECT SILT FENCES AFTER EACH RUNOFF EVENT AND IMMEDIATELY REPAIR ALL EROSION ALONG EDGES

AND BOTTOM.

ACCUMULATED DEPTH OF SEDIMENT SHALL NOT EXCEED ONE HALF THE ORIGINAL HEIGHT OF THE SILT FENCE.

IN AREAS DESIGNATED FOR BRUSH BARRIERS, LIMIT CLEARING TO TREES, SHRUBS AND PLANTS LESS THAN 4

INCHES IN DIAMETER. GRUBBING SHALL NOT BE PERFORMED IN THESE AREAS.

BRUSH BARIER SHALL BE CONSTRUCTED APPROX. PARALLEL TO ORIGINAL GROUND CONTOUR. USE WELL-INTERMINGLED MASS OF BRUSH, TREES, TRIMMINGS, ETC. BARRIER SHALL BE POROUS ENOUGH TO ALLOW WATER TO FILTER THROUGH. SECURE BY PLACING HEAVIER MATERIAL (TREES, LOGS, ETC.) ON TOP

OF AND THROUGHOUT THE BRUSH.

ADJOIN BRUSH BARRIER WITH ROADWAY SLOPE ON THE LOW END AS NEEDED TO CONTAIN SEDIMENTS.

3.

4.

2.

1.

834458'-11 7/16"

167310'-3 9/16"

TYPICAL

TYPICAL

834881'-6 7/8"

TYPICAL

DITCH FLOWDITCH FLOW

S

TR

EA

M

F

LO

W

SILT FENCE, TYPICAL

SILT FENCE, SECURE AROUND INLET

TO KEEP DEBRIS OUT OF STREAM

SILT FENCE, TYPICAL

APPROX. 6 '

APPROX. 6'

CENTER ON DITCHTYPICAL

135°

135°

STRAW BALES (2)

TYPICAL SILT FENCE INSTALLATION FOR DITCHES

41203'-8 3/4"

66774'-7 5/8"

POST

GEOTEXTILE FABRIC FILTER CLOTH,

SECURE TO TOP OF POSTS

WOVEN WIRE FENCE FABRIC

BOTTOM OF SILT FENCE BURIED

IN TRENCH MINIMUM 6" DEPTH

SECURE EACH BALE W/

AT LEAST 2 STAKES BURIED

MINIMUM 12" DEPTH

DITCH FLOW

APPROX. 10' TYPICAL

POST

WOVEN WIRE FABRIC

GEOTEXTILE FABRIC

TYPICAL SEDIMENT CONTROL AT CULVERTS

TYPICAL BRUSH BARRIER

ROAD FILL SLOPE

EXIST.

GROUND

VARIES 3' TO 5' VARIES 5' TO 10'

5.

6.

7.

DITC

H FL

OW

BRUSH BARRIER

SEE NOTES

GEOTEXTILE FABRIC, BURY

BOTTOM EDGE ±6"

USDA FOREST SERVICE - TONGASS NATIONAL FOREST SH. ofR-10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPER

TONGASS

ENGINEERING & RECREATION TNFTYP:09/04

2058 RESURFACING EROSION CONTROL TYPICAL

THORNE BAY RANGER DISTRICT

10/2017

C. LAVOIE 10/2017

10/2017

10/2017

10/2017 10/2017

ACAD.DWG

3 4

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DESIGNED ROADWAY WIDTH: 16 ft.

C

EXISTING

TYPICAL AGGREGATE OVERLAY SECTION

CL

2% 2%

RECONDITIONED SUBGRADE

EXISTING GROUND

HAUL FOR AGGREGATE IS INCIDENTAL TO PAY ITEM 301(03). NO

SEPARATE PAYMENT WILL BE MADE FOR HAUL.

IN THOSE AREAS WHERE THE EXISTING ROAD, AFTER RECONDITIONING, IS

WIDER THAN THE DESIGNED WIDTH OF AGGREGATE, CENTER THE LIFT OF

AGGREGATE ON ROAD SURFACE AND FEATHER TO EXISTING SHOULDERS.

IN TURNOUT, TURNAROUND AND INTERSECTION AREAS, PLACE THE

ADDITIONAL WIDTH OF AGGREGATE ADJACENT TO CENTERLINE LIFT AND

COMPACT TOGETHER.

CONSTRUCT AGGREGATE FILL SLOPES TO 1(V):2.0(H).

CROWN THE SUBGRADE AND FINISHED GRADE TO 2 PERCENT.

THE CONTRACTOR SHALL PROVIDE THE CONTRACTING OFFICER WITH A

QUALITY ASSURANCE AND SURVEILANCE PLAN. THE PLAN SHALL DETAIL

WHAT METHODS WILL BE USED TO ENSURE THAT CONTRACT SPECIFIED

AGGREGATE DEPTHS AND WIDTHS ARE ACHIEVED. DETERMINE THE

CORRECT LOOSE DEPTH FOR SPECIFIED COMPACTED LAYER THROUGH

THE USE OF TEST STRIPS.

FINISHED DIMENSIONS OF PLACED AGGREGATE

COMPACTED IN PLACE AGGREGATE

ROAD RUNNING SURFACE

TURNOUTS

TURN AROUNDS

INTERSECTIONS

6 IN. DEPTH

16 FT. WIDTH

50 FT. LENGTH X 10 FT. WIDTH

WITH 25 FT. TAPERS EACH END

COMPACTED AGGREGATE LIFT

20 FT. LENGTH X 14 FT. WIDTH

10 FT. LENGTH X 20 FT. WIDTH

GENERAL NOTES

1.

2.

3.

4.

5.

USDA FOREST SERVICE - TONGASS NATIONAL FOREST SH. ofR-10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPER

TONGASS

ENGINEERING & RECREATION TNFTYP:09/04

2058 RESURFACING AGGREGATE OVERLAY TYPICAL

THORNE BAY RANGER DISTRICT

10/2017

C. LAVOIE 10/2017

10/2017

10/2017

10/2017 10/2017

ACAD.DWG

4 4

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