9. Appendix I-Optional Reconstruction Typicals.pdf

4 MB Posted

Attached to
Bitterroot Front 10 Year G-Z IRSC
Solicitation number
12363N25R4013
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Written by GovTribe AI ·

These are technical engineering design drawings for road infrastructure improvements in the Bitterroot National Forest, prepared by the USDA Forest Service's Northern Region. The documents include detailed specifications for various road construction and maintenance techniques, such as:

Drainage and erosion control methods including drain dips (Type I and II), culvert installations with catch basins, rock-lined ditches, sediment retention barriers (slash windrows), and standard underdrain details. Road reconfiguration techniques are also illustrated, covering typical road sections with different profile types (inslope, outslope, crown), curve widening details, turnout and turnaround designs, and roadside clearing specifications. The drawings provide precise technical guidance for forest road rehabilitation, focusing on best management practices to minimize environmental impact and improve road infrastructure in the Bitterroot National Forest's ranger districts.

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CATCH BASIN DETAIL

NOT TO SCALE

DWG SHEET NO.

OF

SHEET

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CHECKEDDESIGNERDATEDRAWING TITLEPROJECT NAME

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

STEVENSVILLE RANGER DISTRICT

BITTERROOT NATIONAL FOREST

MCCALLA LARSON BMP PROJECT

NORTHERN REGION

01 CATCH BASIN DETAIL

DATE J.PINTOK A. RICHARDSON 13

PLAN VIEW

SUBGRADE

SHOULDER

TOP OF CUT

CULVERT

NORMAL DITCH LINE

DITCH DAM

RIPRAP.

(20' MIN.)

TOP OF CUT

SECTION A-A

CATCH BASIN ELEVATION

1.5 x DIA.

CULVERT

SUBGRADE

1 2 D

IA

6"

A

A

2H:1V

6"

12"

DIA.

CULVERT

SUBGRADE

1.5H:1V

RIPRAP

WHERE

SPECIFIED

DITCH DAM

NATIVE MATERIAL

1'-6"

5 FT

8 FT

HEADWALL RIPRAP

CUT SLOPE

RIPRAP

1 INSTALL RIPRAP WHEN SPECIFIED

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DWG SHEET NO.

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CHECKEDDESIGNERDATEDRAWING TITLEPROJECT NAME

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

DARBY RANGER DISTRICT

BITTERROOT NATIONAL FOREST

HART TRAP BMP PROJECT

NORTHERN REGION

01 ROAD

RECONDITIONING

DATE 10/15/2025 J.PINTOK J. STUART 4

3%

CL

ROAD RECONDITIONING W/DITCH

NOT TO SCALE

1V:1H

1.

FT

CL

3%

3%

CL

ROAD RECONDITIONING OUTSLOPE

NOT TO SCALE

INSLOPE, OUTSLOPE, OR CROWN WHEN

SPECIFIED IN THE WORKLIST. OTHERWISE

MAINTAIN EXISTING.

5 FT

5 FT

ROADSIDE

CLEARING

OUTER LIMITS

5 FT

ROADSIDE CLEARING

OUTER LIMITS

5 FT

ROADSIDE CLEARING

OUTER LIMITS

5 FT

ROADSIDE CLEARING

OUTER LIMITS

ROAD RECONDITIONING CROWN

NOT TO SCALE

5 FT

ROADSIDE CLEARING

OUTER LIMITS

ROADSIDE CLEARING

OUTER LIMITS

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CHECKEDDESIGNERDATEDRAWING TITLEPROJECT NAME

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

DARBY RANGER DISTRICT

BITTERROOT NATIONAL FOREST

HART TRAP BMP PROJECT

NORTHERN REGION

01 ROADWAY CLEARING

DETAIL

DATE 10/15/2025 J.PINTOK J. STUART 5

<FILL IN>

<FILL IN>

<FILL IN>

<FILL IN>

5 FT

5 FT

5 FT

5 FT

FT

NOTES:

1. THE AREA OF SIGHT DISTANCE CLEARING WILL BE FROM THE ROADSIDE CLEARING LIMIT TO A LINE OF SIGHT BETWEEN THE BEGINNING AND THE ENDING STATIONS MARKED ON THE GROUND. SIGHT DISTANCE CLEARING

MARED STATION

SIGHT DISTANCE

SELECTIVE CLEARING DETAIL

NOT TO SCALE

ROADSIDE CLEARING AND ROAD RECONDITIONING W/DITCH

NOT TO SCALE

1 FT

FT

CL

CL

ROADSIDE CLEARING AND ROAD RECONDITIONING

NOT TO SCALE

INSLOPE, OUTSLOPE, OR CROWN WHEN

SPECIFIED IN THE WORKLIST. OTHERWISE

MAINTAIN EXISTING.

5 FT

ROADSIDE

CLEARING

OUTER LIMITS

5 FT

ROADSIDE

CLEARING

OUTER LIMITS

5 FT

ROADSIDE CLEARING

OUTER LIMITS

5 FT

ROADSIDE CLEARING

OUTER LIMITS

IS INCLUDED IN ROADSIDE CLEARING LIMITS AT STAKED LOCATIONS.

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CHECKEDDESIGNERDATEDRAWING TITLEPROJECT NAME

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

DARBY RANGER DISTRICT

BITTERROOT NATIONAL FOREST

HART TRAP BMP PROJECT

NORTHERN REGION

01 CURVE WIDEN DETAIL

DATE 10/15/2025 J.PINTOK J. STUART 7

CL

FILL SLOPE CURVE WIDENING

NOT TO SCALE

CENTERLINE

60 FT UNLESS OTHERWISE SPECIFIED

CL

CUT SLOPE CURVE WIDENING

NOT TO SCALE

TYPICAL SECTION

ROAD WIDTH

TYPICAL SECTION

ROADWAY WIDTH

CURVE

WIDEN

CURVE

WIDEN

TOTAL ROADWAY WIDTH

CENTRAL

ANGLEΔ

RADIUS

EDGE OF ROADWAY

PT/PC

PT/PC

TA

PE

R (T

YP

TOTAL ROADWAY WIDTH

TOTAL ROADWAY WIDTH

CURVE WIDEN

AS SPECIFIED

NOTES:

1. ADD HORIZONTAL CURVE WIDENING TO THE INSIDE OF CURVES.

WIDENING APPLIES TO THE ROADWAY THROUGH THE ENTIRE CURVE

FROM PC TO PT.

TYPICAL SECTION WIDTH

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CHECKEDDESIGNERDATEDRAWING TITLEPROJECT NAME

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

DARBY RANGER DISTRICT

BITTERROOT NATIONAL FOREST

HART TRAP BMP PROJECT

NORTHERN REGION

01 TURNOUT AND TURNAROUND

DETAILS

DATE 10/15/2025 J.PINTOK J. STUART 9

TY

PI

C

AL

SE

C

TI

O

N R

O

AD

W

ID

TH

TURNAROUND DETAIL

NOT TO SCALE

F

T

14 FT

EDGE OF ROAD

A

A

PLAN VIEW

40 FT

15% MAX

-15% MAX

SECTION A-A

TYPICAL

SECTION

ROAD WIDTH

C/L ROAD

AS NEEDED

30 FT 40 FT 30 FT

F

T

30 FT 40 FT 30 FT

F

T

TOR = TURNOUT RIGHT

15 FT 40 FT 15 FT

STO = SPLIT TURNOUT

FT

FT

F

T

N O

R M

AL

R

O

AD

W

ID

TH

TURNOUT DETAIL

NOT TO SCALE

CENTERLINE ROAD

EDGE OF ROAD

1V:1>H

FILL SLOPE

1V:1H

CUT SLOPE

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CHECKEDDESIGNERDATE

DRAWING TITLE

PROJECT NAME

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

STEVENSVILLE RANGER DISTRICT

BITTERROOT NATIONAL FOREST

DEADHEAD TIMBER SALE

NORTHERN REGION

01 SLASH WINDROW

1/19/2022 J.PINTOK A. RICHARDSON

ORIGINAL PROJECT DOCUMENTS

JP 8/17/20

EDGE OF

ROAD

EDGE OF

ROAD

TOE OF FILL

CMP

(INLET OR

OUTLET)

4' MIN

6' MAX

M

I N

M

A X

SUBGRADE

CMP (OUTLET

SHOWN)

SLASH FILTER (SEDIMENT RETENTION BARRIER) AT OUTLET

NOT TO SCALE

SLASH FILTER (SEDIMENT RETENTION BARRIER) AT CMP

NOT TO SCALE

4' MIN

6' MAX

M

I N

M

A X

SUBGRADE

KEY INTO FILL

MAX 1'-6". DO

NOT UNDERCUT

ROADWAY

PLACE SLASH AT TOE OF

FILL WHERE POSSIBLE (OR

AS STAKED).

EDGE OF

ROAD

EDGE OF

ROAD

TOE OF FILL

LOW POINT

OF DRAIN DIP

(DAYLIGHT)

SLASH FILTER (SEDIMENT RETENTION BARRIER) AT TOE OF FILL

NOT TO SCALE

SLASH FILTER (SEDIMENT RETENTION BARRIER) AT DRAIN DIP

NOT TO SCALE

G

R

A

D

E

GENERAL NOTES:

INSTALL SLASH FILTERS TO THE LENGTH SHOWN

IN THE WORKLISTS OR 60 LF WITH THE HALF WAY

POINT ABOVE THE CMP. MINIMUM INSTALL LENGTH

AT DRAIN DIPS IS 30 LF CENTERED AT LOW POINT

OF THE DIP.

IF NO SLASH GENERATED FROM ROADSIDE

CLEARING OR CLEARING AND GRUBBING

OPERATIONS IS READILY AVAILABLE ON SITE THE

C.O. SHALL DESIGNATE AN AREA WITHIN 4 MILES

OF LOCATION SITE TO GENERATE SLASH

DEPENDING ON SITE CONDITIONS.

CONSTRUCT SLASH FILTERS AT THE TOE OF THE

SLOPE OR THE ELEVATION OF THE CULVERT TOP.

BREAK DOWN AIR GAPS IN THE SLASH BY USING

THE EXCAVATOR BUCKET. MATERIAL USED

CANNOT BE BURNT/BLACK

KEY INTO FILL

MAX 1'-6". DO

NOT UNDERCUT

ROADWAY

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CHECKEDDESIGNERDATE

DRAWING TITLE

PROJECT NAME

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

STEVENSVILLE RANGER DISTRICT

BITTERROOT NATIONAL FOREST

WILLOW CREEK BMP PROJECT

NORTHERN REGION

01 ROCK LINED DITCH

DETAIL

4/9/2020 J.PINTOK J.STUART 10

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SURFACE COURSE

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CRUSHED AGGREGATE

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3%%% INSLOPE

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DRAIN ROCK

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COMMERCIAL 2-1/2 INCH

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WSE

ROCK LINED DITCH TYPICAL

1.5 X PIPE DIA.

OR 2' MIN.

OUTLET DRAIN TO

NATURAL GROUND.

INSTALL ENERGY

DISSIPATER OR OUTLET

DITCH WHEN

SPECIFIED.

CULVERT WITH CATCH BASIN DETAIL

NOT TO SCALE

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CHECKEDDESIGNERDATE

DRAWING TITLE

PROJECT NAME

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

STEVENSVILLE RANGER DISTRICT

BITTERROOT NATIONAL FOREST

BEARTRAP TIMBER SALE

NORTHERN REGION

01 CULVERT WITH CATCH

BASIN DETAIL

4/26/2022 J.PINTOK A RICHARDSON

MINIMUM COVER PER

MANUFACTURER'S

SPECIFICATIONS

ROAD FINISHED GRADE

5% MINIMUM

CULVERT GRADE

EXISTING GROUND

EXISTING DITCH

CUT SLOPE

CATCH BASIN

CUT SLOPE

V

H

M

A

X

H

H

OUTLINE OF HEADWALL

RIPRAP WHEN SPECIFIED.

SEE DETAIL THIS SHEET

RIPRAP DETAIL

NOT TO SCALE

SKEW DIAGRAM

NOT TO SCALE

OUTLINE OF CUT SLOPE

RIPRAP WHEN SPECIFIED.

SEE DETAIL THIS SHEET

"1 f t

H

M

A

X

H

CATCH BASIN

CUT SLOPE

INSTALL HEADWALL

RIPRAP WHERE

SPECIFIED

CULVERT

INSTALL CUT

SLOPE RIPRAP

WHERE SPECIFIED

SEE CATCH BASIN DETAIL ON SHEET 8

FOR ADDITIONAL INFORMATION

ROAD C

AHEAD STATION

SKEW 120°

SKEW 60°

L

F

I L

L

I N

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CHECKEDDESIGNERDATE

DRAWING TITLE

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

PROJECT NAME

FULL DEPTH RECLAMATION

BITTERROOT NATIONAL FORESTREGION 1

NORTHERN REGION TYPICAL SECTIONS

6/20/19 N/A N/A 2

TYPICAL INSLOPE SECTION

NOT TO SCALE

4%

18" TYP

T

Y P

C

L

TYPICAL OUTSLOPE SECTION

NOT TO SCALE

14' TYP ROADWAY

NOT INCL. CURVE WIDENING OR TURNOUTS

C

L

4%

6" COMPACTED THICKNESS

PROCESSED CUSHION MATERIAL

IAW SECTION 304

6" COMPACTED THICKNESS

PROCESSED CUSHION MATERIAL

IAW SECTION 304

14' TYP ROADWAY

NOT INCL. CURVE WIDENING OR TURNOUTS

1' - 2' SHOULDER TYP

1' - 2' SHOULDER TYP

TYPICAL CROWN SECTION

NOT TO SCALE

7' TYP

3%

18" TYP

T

Y P

C

L

7' TYP

6" COMPACTED THICKNESS

PROCESSED CUSHION MATERIAL

IAW SECTION 304

3%

1' - 2' SHOULDER TYP

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CHECKEDDESIGNERDATE

DRAWING TITLE

United States Department of Agriculture Forest Service

NO. DATEBYREVISION DESCRIPTION

PROJECT NAME

BITTERROOT NATIONAL FOREST NORTHERN REGION

01 STANDARD

UNDERDRAIN DETAIL

1/19/2022 J.PINTOK A. RICHARDSON

Geotextile

Granular Backfill Material

1' MINIMUM

2.0'

PROFILE VIEW

Minimum 2 % Grade

BLIND DRAIN

Overlap 2' Minimum

(Actual Location As Staked)

BLIND DRAIN

(max, 3' intervals) Securing Pins 3.0'

2' MIN

GEOTEXTILE

OVERLAP

2'

3'

END VIEW

NO SCALE

GEOTEXTILE

CROSS SECTION VIEW

NO SCALE

PLAN VIEW

NO SCALE

4" CORRUGATED HDPE OR PVC

SMOOTH WALL PERFORATED PIPE

4"

DRAIN PIPE PLACED A MINIMUM OF

4" FROM BOTTOM OF THE DRAIN

IN DITCH LINE

AS NEEDED

ORIGINAL PROJECT DOCUMENTS

JP 8/17/20

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01_DRAIN DIP DETAIL
02_CULVERT DETAIL
03_CATCH_BASIN_DETAIL
Sheets and Views
C-GROUP-14 CATCH BASIN DETAIL
04_ROAD_RECONDITIONING_DETAIL
Sheets and Views
C-GROUP-4 ROAD RECONDITIONING
05_ROADWAY_CLEARING_DETAIL
Sheets and Views
C-GROUP-5 ROADWAY CLEARING DETAIL
06_GATE DETAIL
07_CURVE_WIDENING_DETAIL
Sheets and Views
C-GROUP-7 CURVE WIDEN DETAIL
08_TURNOUT_TURNAROUND_DETAIL
Sheets and Views
C-GROUP-9 TURNOUT AND TURNAROUND DETAILS
09_AGGREGATE SURFACE COURSE
10_DITCH AND LINEAR GRADING
11_SEDIMENT TRAP
12_AOP- ROCK BUTTRESS
13_Slash_Windrow
Sheets and Views
C-GROUP-10 SLASH WINDROW
14_ROCK_LINED_DITCH
Sheets and Views
C-GROUP-ROCK LINED DITCH DETAIL
15_CULVERT_CATCH_BASIN_DETAIL
Sheets and Views
C-GROUP-8 CULVERT WITH CATCH BASIN DETAIL
16_Full Depth Reclamation_Typical Sections
Sheets and Views
C-GROUP-TYPICAL SECTIONS
17_Standard_Underdrain_Detail
Sheets and Views
C-GROUP-17 STANDARD UNDERDRAIN DETAIL

File details come from the government source that posted it. Updated .