C4f_ Attachment F Maintenance Maps.pdf

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Mark Twain NF Trail Maintenance
Solicitation number
12444626Q0048
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This document is a Trail Construction Plans set for the United States Department of Agriculture Forest Service, specifically for the Chadwick Motorized Trail Maintenance project located on the Mark Twain National Forest. The plans provide comprehensive technical specifications and detailed drawings for trail maintenance and restoration work across three primary trail segments (Trails 131, 132A, and 113), totaling approximately 15,207 linear feet of trail work.

The Work List identifies specific maintenance tasks distributed across the three trails, including existing trail restoration (deberming, soil compaction, and tread finishing), drain dip installation, trail obliteration with scarification and slash placement, waterbar installation, hazard tree removal, and berm installation. Key quantities include 1,200 linear feet of deberming work, 1,369 linear feet of soil compaction, 7 drain dips, 20 waterbars, 5 trail obliteration sections, 114 linear feet of berm installation, and 2 hazard tree removals. The plans specify standard construction details across eleven drawing sheets, including typical trail cross-sections (full bench, balanced, and flat sections), clearing limits for trees and brushing with specific disposal methods, drain dip construction specifications with varying depths and spillway configurations, and slope and trailbed finish standards. Standard specifications reference numbers (STD 911-01 through STD 927-01) govern construction methodologies for tread restoration, drainage infrastructure, and clearing operations. The project utilizes locally available materials where applicable and requires field staking of specific features such as drain dips and clearing limits prior to construction.

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UNITED STATES DEPARTMENT OF AGRICULTURE

FOREST SERVICE

TRAIL CONSTRUCTION PLANS FOR

REVIEWED BY:

Tray Hall Zone Recreation Manager LEad DATE

DATE • Connor Landeck Technical Specialist

RECOMMENDED BY:

41■ ..

DISTRICT RANGER DATE

APPROVED BY:

l

FOREST SUPERVISOR/STATION DIRECTOR DATE

PROJECT SITE

REVISIONS: '7 PROJECT NAME

No. &

DATE fNlTIA[S

DESIGN:

DATE

No.� DATE fNlTIA[S

DRAWN: DATE SECTION

No.� CHECKED· 900-GENERAL DATE fNlTIA[S DAIE �

INDEX

SHEET SHEET NO.

� REVISION DATE ,y DRAWING NO.

02/02/2025 STD 900-01

SHEET I 1YPICAL ID

TTL NO SCALE OF

� � I

/2

Chadwick Motorized Trail Maintenance

1 11

Title Sheet----------------------------------------1 Work List-----------------------------------------2 Summary of Quantities------------------------3 General Notes-----------------------------------4 Standard Trail Terms--------------------------5 Typical Cross Section and Slope Finish--6 Existing Trail Restoration---------------------7 Clearing Limits Trees--------------------------8 Clearing Limits Brushing----------------------9 Drain Dip-----------------------------------------10 Drain Dip Details-------------------------------11 tghall Stamp

STD 912-0250+281

50+281 STD 911-30-01

Tread Restoration- Full Bench reconstruction STD 911-01 1 Tread and Drainage Maintenance

STD 927-01Drain Dip Installation

Existing Trail Restoration- Brushing

STD 911-60-01 1

STD 912-01Hazard Tree Removal

Trail Obliteration

11+00 15+00 14+98 16+92

14+98 15+98 Tread restoration- Full bench construction STD 911-01 43+04 46+04 Tread restoration- Balanced Section STD 911-01

132A 43+04 46+04 STD 911-60-01Trail Obliteration- Scarification and slash placement section 132A 46+64 Trail Obliteration- Scarification and slash placement section STD 911-60-01

14+98 30+00 Waterbar Installation STD 922-20-01 7 132A 35+78 38+78 Existing trail restoration- widening STD 912-30-01 132A 53+93 Existing trail restoration- Soil Compaction STD 912-30-01

Berm Installation53+80 STD 926-01 63+50 Berm Installation STD 926-01

131 3+50 Existing trail restoration- Soil Compaction STD 912-30-012+99

132A 132A

132A

132A 132A 132A 132A 132A 132A 132A 132A 0+00

0+00 10+08 14+50 14+98 15+00

45+64

52+93 52+80 63+36

131 2+92 2+92 Drain Dip Installation STD 927-01 131 2+92 5+29 STD 911-01Tread restoration- Full bench construction and deberming

Existing trail restoration-soil compaction

Tread restoration-Trall Obliteration6+53 8+30131 8+30 9+30131 Tread Restoration-Deberming STD_911-30-01

131 14+00 15+00 Tread Restoration-Deberming STD_911-30-01 Drain Dip Installation STD_927-01131 16+00 18+00 1

Trail Obliteration- Scarification and slash placement section131 16+40 17+40 STD_911-6-01 1 131 18+82 20+00

113 0+00 4+00 Tread restoration- Full bench construction and deberming Drain Dip Installation113 0+00 4+00 STD_927-01 Existing Trail Restoration113 7+30 8+30 Waterbar Installation113 10+08 20+00 STD_922-01

STD_911-01

STD_911-3-01

113 23+00 25+00 Existing Trail Restoration-Deberming STD_911-01 Waterbar Installation STD_922-20-1113 29+36 32+00 Existing Trail Restoration- Soil Compaction and tread leveling STD_911-30-01113 34+00 45+00

113 50+00 51+00 Existing Trail Restoration-Deberming STD_911-30-01

MI 1.153

MI 1.153

EA

EA 1

2EA

EA

EA 1

LF

EA

EA

EA

LFI

LF

EA

LF

LF

LF

LF

EA

EA

LF

LF

LF

EA

EA

LF

EA

LF

LF

X X X X X X X X X X X X X X X

X X X X X X X X X

X X X X X X X X

LF

LF

LF

9110004

2 11 Chadwick Motorized Trail Maintenance Mark twain National Forest

9220011

9220011

9220011 911.60.01 911.60.01

9110006

9110006

9110006

9110004

9110004

9120007

9120007

9110004

9120007

9110004

9110004

9120007

STD_911-60-01 911 9110006

9270001

9110004 9110004 9270001

9260001 9260001 912007

9270001

9120007

9270001

9110004

9110004

9110004

911.60.01

912.20

911.30.06 911.30.06 911.30.06

911.30.06

911.30.06

911.30.06

911.30.06

911.30.15

911.30.15

911.30.01

911.30.01

911.60.01

924.10

924.10

924.10

926.10.01 926.10.01

924.10

922.00.01

922.00.01

922.00.01

912.40.01

912.10.01 911.10.04

911.10.04

911.10.04

911.10.04

9110006 9110006

STD_911-30-01

SUMMARY OF QUANTITIES

TRAIL NO.

TRAIL LENGTH (Ml) (Ml)

METH. UNIT STA. STA. PAY

DESCRIPTION OF OF TO TO

ITEM NO. MEAS. MEAS. STA. STA.

U.S. DEPARTMENT OF AGRICULTURE

PROJECT NAME & LOCATION

FOREST SERVICE

STANDARD TRAIL PLAN

STA.

STA.

(Ml) (Ml) (Ml) (Ml)

STA. STA. STA. PROJECT

TO TO TO TO

TOTAL

STA. STA. STA.

DRAWING NAME

SUMMARY OF QUANTITIES

SECTION 1YPICAL ID

906 - MEASUREMENT & PAYMENT SQQ

COMMENTS

DRAWING NO.

STD_906-01

SHEET

REVISION DATE

4/4/2025

NO SCALE

OF

Chadwick Motorized Trail Maintenance Mark Twain National Forest 3 11

132A 131 113

91200120

1.2 .9332 .9469 0+00

50+281

LF

EA

EA

EA

EA

7 13 20 3 2 5

LF 114

700500

0010 LF 5281

0004 LF 5281 4927 4999

Existing Trail Restoration- Deberming Drain Dip Installation Trail Obliteration Waterbar Installation Hazard Tree Removal Berm installation Existing Trail Restoration- Brushing Exsiting Trail Restoration- Tread Existing Trail Restoration- Soil Compaction LF0010

15207

4927 4999 15207

100 169 1100 1369

0+00 0+00

49+27 49+99

4 11 Chadwick Motorized Trail Maintenance Mark Twain National Forest

NOTES:

Cr

C

I /I

J

C r

T

CLEARING

HEIGHT

f------------------ CLEARING WIDTH _______ '..__ ________ ---1

::J

,, >;: � f---------------- TRAILWAY -----------;------ , '0"/½( w •

CATCH POINT

�/)0 EXISTING� GROUND

SHOULDER

BACKS LOPE

DITCH

--..__ WIDTH

,___ TREAD WIDTH

BAS

COURS SUITABL

MATERIA

SHOULDER

WIDTH

HINGE POINT

L SLOPE

TRAILBED _____ ___,

CATCH POINT

z

C)

);:,7A'7A"',.,.__:

1/«:(«;(�

EXISTING GROUND

/, 1/,/ )// ALL SLOPES ARE SHOWN AS

VERTICAL-TO-HORIZONTAL DISTANCE (V:H), TRAIL CORRIDOR

ALL UNITS SHOWN ARE US CUSTOMARY UNITS IN

INCHES UNLESS OTHERWISE NOTED,

DEPARTMENT OF AGRICULTURE

FOREST SERVICE

STANDARD TRAIL PLAN

OR -------------------1

TRAIL EASEMENT

DRAWING NAME

STANDARD TRAIL TERMS

SECTION TYPICAL ID

910 -TRAILWAY STT

REVISION DATE

4/4/2025

NO SCALE

DRAWING NO,

STD 910-01

SHEET

OF

PROJECT NAME & LOCATION

Chadwick Motorized Trail Maintenance Mark Twain National Forest 5 11

TYPICAL TRAIL CROSS SECTIONS

ABOVE_%

SIDESLOPE

SLOPE ROUNDING

IN COMMON MATERIAL

8 INCHES

SHOULDER

WIDTH

<t

I

,___TREAD _ __,

WIDTH

@ FULL BENCH SECTION

% TO_%

SIDESLOPE

SLOPE ROUNDING

IN COMMON MATERIAL

SHOULDER

WIDTH

<t

I

TREAD

WIDTH

I I

I

BACKFILL WITH

SUITABLE MATERIAL

@ BALANCED SECTION

_%T0_%7

SIDESLOPE

SHOULDER ----j

WIDTH

I

DEPARTMENT OF AGRICULTURE

FOREST SERVICE

STANDARD TRAIL PLAN

I

TR�AD

WIDTH

I

FLAT SECTION

PROJECT NAME & LOCATION

SHOULDER

WIDTH

SHOULDER

WIDTH

r INCHES

SHOULDER

WIDTH

SEE SECTION 912

CLEARING LIMITS

FOR DISPOSAL TYPE

TYPICAL TRAIL TREAD AND SHOULDER WIDTH

TYPICAL SECTION TREAD TREAD SHOULDER WIDTH

COMMENTS ID TYPE FINISH WIDTH UPHILL DOWNHILL

TSF-1 T1

TREAD CROSS SLOPE

TYPICAL OUTSLOPE INSLOPE CROWNED COMMENTS ID SECTION

SLOPE AND TRAILBED FINISH

TREAD ROOTS LOOSE EMBEDDED COMMENTS FINISH ROCK ROCK

T1 T2 T3 T4 T5 T6

TRAILBED AND SLOPE FINISH

SLOPE FINISH TRAILBED FINISH

REMOVE ROOTS THAT PROTRUDE FROM THE

BACKSLOPE WITH DIAMETERS GREATER

THAN SHOWN IN THE SLOPE AND TRAILBED

FINISH TABLE.

NOTES:

REMOVE LOOSE ROCK ON THE TRAILBED WITH

A DIMENSION GREATER THAN SHOWN IN THE

SLOPE AND TRAILBED FINISH TABLE.

REMOVE OR REDUCE EMBEDDED ROCK THAT

PROTRUDES MORE THAN THE DIMENSIONS

SHOWN IN THE SLOPE AND TRAILBED FINISH

TABLE.

1. SLASH CONSISTS OF LOGS, LIMBS, BRUSH, AND ROCKS PLACED

RANDOMLY IN A WAY TO CATCH SEDIMENT MOVEMENT.

2. LIMB ALL TREES AND SHRUBS AND TAMP SLASH INTO GROUND SO

THAT 80% OF SLASH IS IN CONTACT WITH THE GROUND.

DRAWING NAME L REVISION DATE � DRAWING NO.

CROSS SECTION & SLOPE FINISH 4/4/2025 STD 911-01

SECTION

911 - TREAD AND PRISM

1YPICAL ID

TSF/TCS NO SCALE

SHEET I

OF

I

A 6 11

Chadwick Motorized Trail Maintenance Mark Twain National Forest

A 50 IN 12" 12" OHV USE

TCS1

0 5

6 29

3 3 3 TRAIL CLASS 3

3 NA NA TYPICAL UNLESS OTHERWISE STAKED

TSF-2 B T1 50 IN 12" 12" BALANCED SECTION WILL BE USED WHEN STAKED

TSF-3 C T1 50 IN 12" 12" FLAT SECTION WILL BE USED WHEN STAKED

EXISTING BROKEN

DOWN PRISM

(SEE NOTE 4)

OULDER

DTH

NEW

<t

I

TREAD

WIDTH

EXISTING LESS THAN

6 INCHES

SHOULDER

WIDTH

RESTORED

TRAIL PRISM

@ BROKEN DOWN SECTION

<t

I

TREAD

WIDTH

SHOULDER

WIDTH

r RECONTOURED

TRAIL PRISM

BACKFILL WITH

SUITABLE MATERIAL

EXISTING TRENCHED

PRISM

(SEE NOTE 4) LESS THAN

6 INCHES

@ TRENCHED SECTION

<t

I

SHOULDER

WIDTH

TREAD

WIDTH

SHOULDER

WIDTH

EXISTING

SLOUGHED

PRISM

BACKFILL WIT

SUITABLE MATERIA LESS THAN

6 INCHES

© SLOUGHED SECTION

RESTORED

TRAIL PRISM

DEPARTMENT OF AGRICULTURE

FOREST SERVICE

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

DISPOSE OF

UNSUITABLE

MATERIAL

DISPOSE OF

UNSUITABLE

MATERIAL

EXISTING TRAIL RESTORATION

TYPICAL SECTION TREAD SHOULDER WIDTH

ID TYPE WIDTH COMMENTS

UPHILL DOWNHILL

ETR-1

NOTES:

1. RE-ESTABLISH ORIGINAL DRAINAGE STRUCTURES TO MATCH NEW TREAD

SURFACE.

2. INSTALL CHECK DAMS, DRAINAGE DIPS OR OTHER DRAINAGE

STRUCTURES WHEN SPECIFIED.

3. DRAINAGE DIPS WILL BE STAKED IN THE FIELD WHEN REQUIRED AND

WILL BE PAID SEPARATELY UNDER SECTION 927.

4. USE ONLY SUITABLE MATERIAL TO CONSTRUCT RESTORED TRAIL PRISMS.

DISPOSE OF UNSUITABLE MATERIAL AS SHOWN ON PLANS.

5. SEEDING, FERTILIZING & MULCHING WHEN REQUIRED WILL BE PAID

UNDER SECTION 981.

BACKFILL WITH

NEW

<t

I

TREAD

WIDTH

SHOULDER

WIDTH

r RESTORED

TRAIL PRISM

SUITABLE MATERIAL XISTING );

WASHED

PRISM ·'

@ WASHED SECTION

DRAWING NAME REVISION DATE

EXISTING TRAIL RESTORATION 4/4/2025

SECTION 1YPICAL ID

911 -TREAD AND PRISM ETR NO SCALE

� DRAWING NO.

STD 911-30-01

SHEET I

OF

I

7 11

Chadwick Motorized Trail Maintenance Mark Twain National Forest

A 50 IN 12 IN 12 IN BROKEN DOWN SECTION WHERE STAKED

ETR-2 C 50 IN 12 IN 12 IN SLOUGHED SECTION WHERE STAKED

CLEARING LIMITS - TREES AND LOGS

CLEARING LIMITS * LEAVE TREES CLEAR ZONE STUMPS HAZARD TREE

TYPICAL

ID

CLT-1

CLEARING DOWNHILL

W

{A) H

METHOD

C2

HAZARD TREE

REMOVAL

WIDTH

CD

CLEARING LIMIT

DOWNHILL

WIDTH

TRIM

BRANCHES

FLUSH WITH

TRUNK

* LEAVE TREES

UPHILL CLEARING

Wre)H H

rc) T

CLEARING

HEIGHT

I I

DISTANCE DIAMETER

cm) (INCHES)

HAZARD TREE

REMOVAL

WIDTH

CD

CLEARING LIMIT

UPHILL

WIDTH

DOWNHILL

W

H

* LEAVE TREES

UPHILL

W

H

,___ DISTANCE __ _____,.,__,I

@ DOWNHILL

CLEAR ZONE

WIDTH

I

UPHILL

CLEAR ZONE

WIDTH

r DISTANCE ,-++-___, MAXIMUM

OBSTRUCTION

HEIGHT

DEPARTMENT OF AGRICULTURE

FOREST SERVICE

STANDARD TRAIL PLAN

____ ✓,7

PROJECT NAME & LOCATION

MAXIMUM

STUMP

HEIGHT

MAXIMUM MAXIMUM REMOVAL DISPOSALOBSTRUC

@N

HEIGHT H

T W(l)H

METHOD COMMENTS

CLEARING

TYPE

C1 C2 C3 C4 C5 C6 C7

DISPOSAL

TYPE

D1 D2 D3 D4 D5 D6

DRAWING NAME

D1

CLEARING METHOD

CLEARING COMMENTS METHOD

NEW CONSTRUCTION TREES, PRUNING, & BRUSH

CLEARING LIMIT RESTORATION TREES, PRUNING, LOGS, BRUSH & MAINTENANCE

TRAIL OPENING LOGGING OUT, LOOSE ROCK & DRAINAGE CLEARING

HAZARD TREE REMOVAL ALONG TRAIL CORRIDOR

HAZARD TREE REMOVAL INDIVIDUAL (AS MARKED)

LOOSE ROCK & ROOT REMOVAL

LEAVE TREES: LEAVE TREES SHOULD BE LIVE, SOUND & UNDAMAGED WITH

UNCOMPROMISED ROOT SYSTEMS.

HAZARD TREES: HAZARD TREES ARE TREES THAT ARE STANDING OR LEANING DEAD

TREES LARGER THAN 8 INCHES IN DIAMETER AND GREATER THAN 90

FEET IN HEIGHT.

DISPOSAL METHOD

DISPOSAL

METHOD

LOP AND SCATTER OUTSIDE TRAILWAY

LOP AND SCATTER ON FILL SLOPE

PILE AND BURN

CHIP

HAUL TO DISPOSAL SITE

COMMENTS

'l" REVISION DATE � DRAWING NO.

CLEARING LIMITS-TREES AND LOGS 4/4/2025 STD 912-01

SECTION TYPICAL ID SHEET

912 - CLEARING LIMITS CLT NO SCALE OF

� A 8 11

Chadwick Motorized Trail Maintenance

10'6 IN6 IN2' >6"3' 3' 6' 2' 2' 50" TREAD WIDTH

CLEARING LIMITS - BRUSHING

BRUSHING LIMITS MOWING LIMITS

TYPICAL CLEARING UPHILL DOWNHILL CLEARING UPHILL DOWNHILL DISPOSALWIDTH

ID METHOD (J)

CLB-1 C9

<t

I

BRUSHING LIMITS

UPHILL

WIDTH T

BRUSHING LIMITS

DOWNHILL

WIDTH

BRUSHING

LIMIT

CLEARING

HEIGHT

CLEAR ZONE

UPHILL

LIMITS

CLEAR ZONE

DOWNHILL

LIMITS

MOWING I MOWING

LIMITS

T

LIMITS

UPHILL DOWNHILL

WIDTH WIDTH

I

NOTE:

SEE SHEET STD_912-01 FOR

CLEAR ZONE LIMITS

DEPARTMENT OF AGRICULTURE

FOREST SERVICE

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

wea r H

T W

OO

H W

H

METHOD COMMENTS

D1

CLEARING METHOD

CLEARING CLEARING COMMENTS TYPE METHOD

C9 BRUSHING

C10 MOWING

C11

DISPOSAL METHOD

DISPOSAL DISPOSAL COMMENTS TYPE METHOD

D1 LOP AND SCATTER OUTSIDE TRAILWAY

D2 LOP AND SCATTER ON FILL SLOPE

D3 PILE AND BURN

D4 CHIP

D5 HAUL TO DISPOSAL SITE

D6

DRAWING NAME REVISION DATE

CLEARING LIMITS - BRUSHING 4/4/2025

SECTION TYPICAL ID

912 -CLEARING LIMITS CLB NO SCALE

DRAWING NO.

STD 912-02

SHEET

OF 9 11

Chadwick Motorized Trail Maintenance

3' 3' 6' 2' 2' BRUSH AS NEEDED

DRAIN DIP SECTION

SURFACE COURSE

TYPICAL DRAIN DIP GEOTEXTILE SKEW TYPE DEPTH ROCK

ID TYPE TYPE SPILLWAY***

D01-1 DDX N/A s

N/A WHEN NOT APPLICABLE

***FOR ROCK SPILLWAY SEE SHEET STD_923-10-01

NOTES:

1. DRAIN DIPS WILL BE STAKED IN THE FIELD.

2. ROCK SPILLWAY SLOPE SHALL BE THE SAME AS THE

CONSTRUCTED FILL SLOPE.

L -----nl'I\S��D � SURFACE COURSE

G'?.J,,D'2

\i \ WHEN SPECIFIED

DEPARTMENT OF AGRICULTURE

FOREST SERVICE

STANDARD TRAIL PLAN

TOE OF FILL

PROJECT NAME & LOCATION

ROCK SPILLWAY

AS SPECIFIED

DRAWING NAME

SECTION

COMMENTS

A

GEOTEXTILE TYPE

_ _j

TYPE

G1 G2 G3

MATERIAL COMMENTS

NON-WOVEN

WOVEN

SURFACE COURSE MATERIAL TYPE

TYPE

S1 S2 S3

MATERIAL GRADATION

PITRUN

AGGREGATE

COMMENTS

2 FOOT

MINIMUM DRAIN DIP CONSTRUCTION DIMENSIONS

DRAIN

DIP PROFILE L1

TYPE GRADE

DD1 0 TO 4

DD2 5 TO 6

DD3 7 TO 8

DD4 9 TO 10

DD5

OVER 10% NOT RECOMMENDED

H = q_ OF TREAD

DRAIN DIP

1YPICAL ID

927 - DRAIN DIPS DD1

L2 L3

REVISION DATE

4/4/2025

NO SCALE

(H) (E)

SHEET 1 OF 2

� DRAWING NO. �

STD 927-10-01

SHEET I

OF

� I

Chadwick Motorized Trail Maintenance Mark Twain National Forest 10 11

USE LOCALLY AVAILABLE MATERIAL

20'

20'

20'

20'

10'

10'

10'

10'

20'

20'

20' 20'

10'

10'

10'

10'

8"

8" 8"

8"

20° N/A N/A

FLOOD LINE

i------- L2 ---------i i--------- L1 --------i

FINISHED GRADE

- 12 INCH MINIMUM

SURFACE COURSE

WHEN SPECIFIED

SECTION A-A

UNSUITABLE MATERIAL TO

BE DISPOSED AT A LOCATION

DESIGNATED ON THE GROUND

EE SECTION 911

PICAL SECTIONS

E 3%--- 1// 1// 1// Y> 1//,/> 1//Y/Y/, /, j:;yj;yj;y�

'>0

SECTION B-B

TYPICAL CUT SECTION

DEPARTMENT OF AGRICULTURE

FOREST SERVICE

STANDARD TRAIL PLAN

PROJECT NAME & LOCATION

ROCK SPILLWAY

AS SPECIFIED

CUT SLOPE

GEOTEXTILE

WHEN SPECIFIED

CUT

SEE SECTION 911

TYPICAL SECTIONS

OUTSLOPE 3 % ---

SHEET 2 OF 2

DRAWING NAME REVISION DATE DRAWING NO,

DRAIN DIP DETAILS 4/4/2025 STD_ 927-10-02

SECTION 1YPICAL ID SHEET

927 - DRAIN DIPS DD2 NO SCALE OF

Chadwick Motorized Trail Maintenance

11 11

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