HNFRoadDecomDrawings.pdf

U.S. DEPARTMENT OF AGRICULTURE - FOREST SERVICE - REGION ONE

HELENA NATIONAL FOREST

TOWNSEND, HELENA, & LINCOLN RANGER DISTRICTS

CONSTRUCTION PLANS FOR

ROAD DECOMMISSIONING IDIQ

INDEX

DESCRIPTION SHEET NO.

TITLE SHEET AND INDEX 1

PROJECT NOTES 2

ROAD OBLITERATION DETAILS 3

ROCK BARRIER DETAILS 4

DRAINAGE DETAILS 5

SUBMIHED

DATE

CIVIL ENGINEER I certify that this project has been designed witS sound engineering practices and submit it for review and approval.

REVIEWED DATE /c- /j ‘S ToWrtSi’D DISTRICT RANGER — I have reviewed this project and certify that it meets the land and resource management requirements.

REVIEWED

DATE

HELENA DISTRICT_RANGER I have reviewed this project and certify that it

6 I7/ZiRE VIE WED

DATE

RECOMMENDED

A___2 meets the land and resource management requ ernents.

LINCOLN DISTRICT I have reviewed this project and certifythat it meets the land and resource managementrequirements.

DATE /•7/

FOREST ENGINEER I certify the technical adequacy of this design and

APPROVED

approval for construction.

DATE

This project is necessary to the forest gram needs and goals and is hereby approved for Construction.

LOCATION MAP

NOT TO SCALE

— c_

— FOREST SUPERVISOR

VICINITY MAP

NOT TO SCALE

SPECIFICATION NOTES GENERAL NOTES

151: ALL CONSTRUCTION EQU IPMENT SHALL BE WASHED AND INSPECTED PRIOR TO ENTERING THE PROJECT AREA. EQUIPMENT IS

— EXPECTED TO PROCEED DIRECTLY TO THE JOB SITE FOLLOWING THE INSPECTION AND TO NOT LEAVE THE DESIGNATED WEED

MANAGEMENT DISTRICT WHEREIN THE JOB SITE EXISTS. EQUIPMENT LEAVING THE DESIGNATED WEED MANAGEMENT DISTRICT WILL NEED TO BE RECERTIFIED AS WEED FREE BEFORE BEING ALLOWED TO RETURN TO THE JOB SITE.

203: UNLESS OTHERWISE SHOWN ON PLANS OR DESIGNATED BY CO, REMOVE ALL DESIGNATED MATERIAL FROM THE PROJECT,

— DISPOSAL METHOD A.

211: FOR ROADS DESIGNATED FOR ROAD OBLITERATION METHOD 2, RECONTOUR THE ENTRANCE FOR 150. WHERE RECONTOURING

— IS NOT POSSIBLE, RIP THE ROADBED AND PLACE OBSTRUCTIONS TO EFFECTIVELY CLOSE THE ENTRANCE. AREAS THAT ARE

NATURALLY REVEGETATING OR AS DESIGNATED BY THE CO SHALL BE LEFT UNDISTURBED.

625: APPLY TURF ESTABLISHMENT TO ALL DISTURBED AREAS, AREAS SHOWN ON THE DRAWINGS, OR IN THE WORKLISTS WITHIN 7

— DAYS OF COMPLETION OF GROUND DISTURBING ACTIVITIES. SEEDED AREAS DAMAGED BY CONSTRUCTION ACTIVITIES SHALL

BE RESEEDED WITHIN 10 DAYS OF THE DAMAGE.

1. MATERIALS AND CONSTRUCTION FOR THIS PROJECT SHALL BE IN ACCORDANCE WITH 2003 STANDARD SPECIFICATIONS FOR

CONSTRUCTION OF ROADS AND BRIDGES ON FEDERAL HIGHWAYS (FP-03).

2. THE CONTRACTOR IS RESPONSIBLE FOR MINIMIZING SEDIMENT AND DEBRIS CAUSE BY CONSTRUCTION ACTIVITY FROM ENTERING THE STREAMBED. NO WHEELED OR TRACKED EQUIPMENT SHALL BE USED IN STREAM BEDS WITHOUT PRIOR

APPROVAL OF CO.

3. HOURLY EQUIPMENT RENTAL SHALL BE ORDERED AND DIRECTED BY THE CO. EQUIPMENT HOURS WILL BE PAID FOR AS THE

ACTUAL AMOUNT OF WORK PERFORMED AND AGREED TO IN WRITING.

4. ESTIMATE OF QUANTITIES ARE FOR CONTRACTOR CONVENIENCE ONLY, CONTRACTOR SHALL BE RESPONSIBLE TO VERIFY ALL

QUANTITIES, VOLUMES AND LENGTHS.

5. THE CONTRACTOR IS RESPONSIBLE FOR LOCATING ANY BURIED UTILITIES PRIOR TO BEGINNING WORK.

DATE:

\ I DATE I REVISION

DATE: 04/20Th 1

DATE: 04/70Th

DATE: 04/2015 ) s, 1DESIGNED:

FOREST SERVICE

U.S.DEPARTMENTOFAGRICULTURE 1[ROAD DECOMMISSIONING PROJECT 1 DRAWN:

NOTES ii CHECKED: D.SFNNHELENA NATIONAL FOREST I DI Q J REVIEWED:HELENA, MT K I BY f’ FILENAME:

ROADD ECOM M ISSION ING ID Ia. D WG

SHEET 2OF5 )

SEED MIX

DRY SITES

SLENDER WHEATGRASS

(Elymus trachycaulus ssp. trachycaulus) variety Pryor

IDAHO FESCUE

(Festuca idahoensis) variety Joeseph or Nez Perce

BLUEBUNCH WHEATGRASS

(Agropyron spicatum or Pseudoroegenaria spicata) variety Goldar

MOIST SITES

SLENDER WHEATGRASS

(Elymus trachycaulus ssp. trachycaulus) variety Pryor

MOUNTAIN BROME

(Bromus marginatus) variety Garnet preferred, Bromar acceptable

BLUE WILDRYE

(Elymus glaucous) variety Elkton preferred, Arlington acceptable

SANDBERG BLUEGRASS

(Poa sandergil) variety Canbar or High Plains Germplasm

(DESIGNED:

DATE:

(DATE I

DRAWN: MSMITh DATE: 04/20Th

CHECKED: D SENN DATE: 04/201;

J REVIEWED: E.BARCLAY DATE: 04/2015 J

ROAD OBLITERATION METHOD 1

NO SCALE

ROAD WIDTH

TYPICAL SECTION

WITH DITCH

TYPICAL SECTION

WITHOUT DITCH

PLACE EXCAVATED

MATERIAL AND

CONTOUR TO MATCH

ORIGINAL GROUND

SLOPE SCARIFIY ROAD SURFACE TO

A DEPTH OF 12’ PRIOR TO

RECONTOU RING

EXCAVATE MATERIAL AND

USE FDR RECONTOURING

ROAD OBLITERATION METHOD 1- LEAVE TRAIL

NO SCALE

ROAD WIDTH

TYPICAL SECTION

WITHOUT DITCH

TYPICAL SECTION

WITH DITCH

PLACE EXCAVATED

MATERIAL AND

CONTOUR TO MATCH

ORIGINAL GROUND

SLOPE

ROAD OBLITERATION METHOD 2

NO SCALE

FYROADSURFAcE

TO A DEPTH OF 6-12”

ROAD OBLITERATION METHOD 2 - Ripping shall include; ripping the entire road surface, constructing waterbars at frequent intervals, placing woody debris on the road surface, and seeding disturbed ground. The road entrance shall be fully recontoured for 150 feet where possible. The contractor shall rip all roads as SHOWN IN THE PLANS or as staked by the CO. in accordance with th is detail.

12 lbs PLS/acre

8 lbs PLS/acre

8 lbs PLS/acre

10 lbs PLS/acre

10 lbs PLS/acre

10 lbs PLS/acre

5 lbs PLS/acre

SCARIFY ROAD SURFACE TO

A DEPTH OF 12’ PRIOR TO

RECONTOU RING

EXCAVATE MATERIAL AND

USE FOR RECONTOURING

ROAD OBLITERATION METHOD 1 - Full re-contour shall include: excavating and placing fill material back onto the ripped road surface to return the ground to its natural contour, placing woody debris on the disturbed area, and seeding disturbed ground. A walking trail shall be left as shown in the description of work or as designated on the ground by the C.O. The contractor shall recontour all roads as SHOWN IN THE PLANS or as staked by the CO. in accordance with these details.

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE

HELENA NATIONAL FOREST

HELENA, MT

‘11’ROAD DECOMMISSIONING

JL IDIQ

ROAD OBLITERATION

DETAILS

I y FILENAME:

I\.0AD0EC0MM15510N1NGID1QDWG

I

SHEET 3OF5

12 FT, MIN. - I

/c .l.,, -4

EDGE OF ROAD

I 2:

(9

2:

PLAN VIEW

NO SCALE

z

12-18, TYP.

EDGE OF ROAD

L)

NOTES:

ROCK INSTALLATION DETAIL

NO SCALE

1. ROCK SIZE SHALL BE 2.5 FT (30). ROCK SPACING SHALL BE 12-18 TO PREVENT VEHICLE

ACCESS OR AS OTHERWISE DIRECTED BY CO.

SECTION

NO SCALE

2. ROCKS SHALL BE FURNISHED BY THE GOVERNMENTAND MAY BE OBTAINED IN AREAS

DESIGNATED BY THE CO.

3. ROCKS SHALL BE BURIED WITH WEATHERED PORTION ABOVE GROUND AND AT LEASE OF

ROCK BELOW GRADE TO REFLECT NATURAL FORMATIONS AND TO CREATE VISUAL STABILITY.

DO NOT SET ROCKS ON GRADE. ROCKS SHALL BE PLACED WITH LARGEST DIMENSION

PERPENDICULAR TO ROADWAY.

2:

“ (bESIGNED: DATE: “ ‘DATE REVISION BY FILENAME

HELENA, MT ID I

ROCK BARRIER I DRAWN: M SMITH DATE: 04/2015 ii ROAOOECOMMISSIONINGIDIQDWG DU.S. DEPARTMENTOFAGRICULTURE

[ROAD DECOMMISSIONING

REVIEWED: EBARCIAV DATE: O4/20 SHEET 4 OF

FOR E ST SERVICE

DETAILS II CHECKED: D.SENN DATE: 04/2015HELENA NATIONAL FOREST

TYPICAL ROLLING DRAIN DIP

NO SCALE

WATER BAR DETAIL

NO SCALE

STRAW WATFLE AT

OUTLET AS SPECIFIED

ROADWIDTH - —..... - -.

VARLABLE — -.‘- .-- -

. DOWN GRAOE

FILL SLOPE

NOTES:

1. ALL WATER BARS SHALL BEGIN AT THE

INTERSECTION OF THE ROADBED AND CUTSLOPE

AND RUN ACROSS THE ENTIRE WIDTH OF THE

ROADBED.

2. ALL WATER BARS SHALL HAVE FREE FLOWING

OUTLETS.

3. WHERE DIPS ARE CONSTRUCTED IN DITCH

SECTIONS AND THE DIP IS STAKED TO DRAIN TO

THE OUTSIDE SHOULDER, ENSURE THE THE DRAIN

DIP DOES NOT DIVERT RUNOFF AWAY FROM THE

DITCH. THE DRAIN DIP SHOULD BE CONSTRUCTED

TO DRAIN THE SURFACE RUNOFF ONLY.

EXISTING

ROAD

GRADE

7-

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE

HELENA NATIONAL FOREST

HELENA, MT

STAKED

LENGTH

GRADE

ROLLING DIP CONSTRUCTION DIMENSIONS

A B

PERSPECTIVE VIEW

0 TO 4

5 TO 8

9TO 12

MAXIMUM GRADE

Gi G2 63

DEPTH (H)

OUTSIDE INSIDE

EDGE EDGE

0.8’ 0.5

D.6 0.3

0.4’ 0.2

18’

16’

54’

TYPICAL CULVERT REMOVAL

NO SCALE

7%

10%

14%

3%

2%

2%

-7%

-10%

-14%

AREA TO BE

EXCAVATED

AVG DEPTH OF

CULVERT EXCAVATION

LENGTH OF

CULVERT EXCAVATION

CREST

SIDE VIEW

DRAIN LINE

(SKEW 25)

PROFILE VIEW

PLACE EXCAVATED

MATERIAL ON EITHER

SIDE OF CHANNEL

WIDTH OF

EXCAVATION

PROFILE VIEW

NOTE: PLACE EXCAVATED MATERIAL ON EITHER SIDE OF CROSSDRAIN UNLESS

OTHERWISE SPECIFIED. KEEP UPGRADE DITCHLINE CLEAR OF EXCAVATED MATERIAL.