Drawings.pdf

PDF 2 MB Posted Jun 25, 2020

Attached to: 8 Fathom Road and Bridge Maintenance Federal contract opportunity
Solicitation number: 12010920Q0081
Issued by: Department of Agriculture Forest Service R10-Alaska Region

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12010920Q0081_A002.pdf	PDF	Jul 9, 2020
12010920Q0081_A001.pdf	PDF	Jul 7, 2020
Relevant Experience Evaluation Form.pdf	PDF	Jun 25, 2020
8FATHOM_FSSS.DOCX	DOCX document	Jun 25, 2020
12010920Q0081.pdf	PDF	Jun 25, 2020
Construction Wage Determination.pdf	PDF	Jun 25, 2020

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PROJECT LOCATION

SHEET OF

United States Department of Agriculture

Forest Service

1 10

RECOMMENDED BY:

APPROVED:

FOREST ENGINEER

DISTRICT RANGER DATE

DATE

ROADS PROGRAM MANAGER

6/9 /20

8 R

C :\U

M P

3.7

\D W

8 FATHOM BRIDGE REPAIR AND ROAD

MAINTENANCE

ALASKA

HOONAH RANGER DISTRICT

TONGASS NATIONAL FOREST

R10 ALASKA REGION

56°

VICINITY MAP

INDEX OF SHEETS

SHEET SHEET TITLE DATE

G-01 COVER SHEET

G-02

SCHEDULE QUANTITIES AND

GENERAL NOTES

G-03 PROJECT MAP

C-01 TYP CROSS SECTIONS

C-02 ROAD OVERLAY

C-03 CULVERT INSTALL

C-04 EROSION CONTROL

C-05 PIT & QUARRY DEVELOPMENT

C-06 CATCH BASIN CLEANOUT

BR-1 BRIDGE INSTALL

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6/12/20 acting

6/12/20

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JUNEAU

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GULF OF ALASKA

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ALASKA

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CANADA

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DRAWING TITLE

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

SCHEDULE OF

QUANTITIES &

GENERAL NOTES

June 9, 2020

TNF

K. CHERRY

TNF ENG

G-02

SCHEDULE OF QUANTITIES

GENERAL NOTES

1. LTF/SORTYARD REQUIRE GRUBBING FOR FULL UTILIZATION OF THE AREA SEE CLIN 4A

2. BRIDGE SITES HAVE FISH TIMING WINDOWS, SEE SECTION H FOR SPECIFIC TIMELINES

3. RIPRAP PLACEMENT AT BRIDGE SITES UNDER SILLS AND FOR BANK RECONSTRUCTION OR

PRESERVATION OF THE ROAD PRISM MUST BE ACCOMPLISHED IN ACCORDANCE WITH FP-14

SECTION 252 SPECIAL ROCK EMPLACEMENT.

4. FINISHED BRIDGE SITES ARE TO MEET EXISTING LINES AND GRADES, MATCH ROAD PRISM FOR

FINISH ELEVATIONS

5. BRIDGES ARE ALREADY AT THE SITES, EACH ONE NEEDS TO BE PULLED THE SILLS STABILIED

AND SUBSURFACE REPLACED WITH RIPRAP INSTALLED PRIOR THEN REINSTALL THE EXISTIING

BRIDGE.

PULL AND REPLACE BRIDGE REPAIR SILLS 2 EA

CLASS 5 RIPRAP PLACEMENT 100 CY

UNCLASSIFIED BORROW 80 CY

CLEAR AND GRUB 1 ACRE

DITCHING 300 LF

CULVERT REMOVAL AND REINSTALL 1 EA

OPTION ITEMS

CULVERT REMOVAL/REINSTALL 1 EA

DITCHING 900 LF

CLEAN CULVERT INLETS 2 EA

CLASS 3 RIPRAP PLACEMENT 30 CY

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DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

PROJECT MAP

June 9, 2020

PROJECT MAP

X.XXX

G-03

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EXISTING GROUND

3' ROADBED WIDTH 5' MIN

VARIABLE SLOPE AS

DESIGNATED/STAKED

DECK MERCHANTABLE TIMBER

LIMBS, TOPS, SLASH,

CULL LOGS AND

ROADWAY EXCAVATION

EXCESS TO DEBRIS MAT

OR BENCH REQUIREMENTS

BORROW AND/OR SUITABLE ROCK EXCAVATION

PREPARED GROUND SURFACE, DEBRIS MAT

EMBANKMENT: BORROW EXCAVATION TO BE USED ONLY

AFTER ALL AVAILABLE SUITABLE EXCAVATION,

CONSTRUCTION SLASH AND DEBRIS HAS BEEN UTILIZED

2' MIN

NOTE: STUMPS SHALL BE GRUBBED AND

CONSTRUCTION SLASH/DEBRIS REMOVED AT

A MINIMUM OF 5' FROM THE CONSTRUCTION

ROAD SHOULDER

TYPICAL SIDEHILL SECTION

EXCAVATION

SUBGRADE

2' MIN

10' 5' MIN

VARIABLE CLEARING LIMITS

CLEARING, UNDISTURBED STUMPS

AND CLEARING DEBRIS, SEE NOTE 3

SUBGRADE

BORROW

TYPICAL OVERLAY SECTION

GRUBBING LIMITS 5' MIN

VARIABLE CLEARING LIMITS

ORIGINAL GROUND

VARIABLE SLOPE AS

DESIGNED/STAKED

EXCAVATION

PREPARED GROUND SURFACE,

DEBRIS MAT OR BENCH

EMBANKMENT, VARIABLE DEPTH

ROCK MATERIAL, BORROW AND/OR

SUITABLE ROCK EXCAVATION

EXCESS EXCAVATED

MATERIAL

DECK MERCHANTABLE

TIMBER TYP

TYPICAL THROUGH CUT SECTION

50' 25'

INTERSECTION DETAILS

NOTES

1. PROFILE ELEVATIONS ARE SHOWN TO SUBGRADE.

2. CROWN TRAVELED WAY OR ROADBED 2%.

3. UNDISTURBED STUMPS AND OTHER CLEARING DEBRIS IN EMBANKMENT

AREAS MAY BE LEFT IN PLACE IF THEY DO NOT EXTEND CLOSER THAN 24"

TO ANY SUBGRADE. (REFERENCE SPEC. 201.05B)

4. UNLESS OTHERWISE INDICATED OR STAKED, ALL FILL SLOPES SHALL BE

1:1.25 AND ALL CUT SLOPES SHALL BE 1:1 OR AS SHOWN IN THE STAKING

NOTES.

5. ROAD NO. STA. TO STA. TOLERANCE CLASS FINISH METHOD

XXXX XXXX TO XXXX XXXX XXXX

20'

16'

25' 30' 25'

25' 50' 25'

50' 80' 50'

ROAD DESIGN SPEED = 10 MPH

ROAD DESIGN SPEED = 20 MPH

ROAD DESIGN SPEED = 30 MPH

10' TYP

5' TYP

TURNOUT/PULLOUT DETAILS

16'

DRAWING TITLE

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

TYPICAL

CROSS-SECTION

Nov 2019

Rev 1

TNF

K. CHERRY

TNF ENG

C-01

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3-5%

DESIGN ROADWAY WIDTH

EXISTING GROUND

RECONDITIONED SUBGRADE

COMPACTED DEPTH AGGREGATE LIFT

EXISTING

DESIGN ROADWAY WIDTH

EXISTING GROUND

RECONDITIONED SUBGRADE

COMPACTED DEPTH AGGREGATE LIFT

TYPICAL OVERLAY SECTION - CROWNED

OUTSLOPED SECTION

INSLOPED SECTION

SEE NOTE

NOTE: 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.

NOTE: OUTSLOPED ROADS SHOULD BE USED WHEN ROAD

GRADES ARE GENTLE TO MODERATE (0% TO 8%) AND WHERE

CUTSLOPES ARE DRY. OUTSLOPED ROADS SHOULD BE

CONSTRUCTED WITH ROLLING DIPS FOR DRAINAGE. THERE

SHOULD BE NO DITCH ON THE INBOARD SIDE OF THE

OUTSLOPED ROAD.

NOTE: INSLOPED ROADS SHOULD BE USED WHEN ROAD

GRADES ARE MODERATE TO STEEP (6% AND UP) AND WHERE

TERRAIN MAY BE STEEP OR SLIPPERY. INSLOPED ROADS

ARE ALSO IDEAL FOR HIGHLY ERODIBLE AREAS. EXTRA

ATTENTION SHOULD BE PAID TO ESTABLISHING DITCHES AND

DRAINAGE FOR INSLOPED ROADS.

3-5%

DESIGN ROADWAY WIDTH

EXISTING GROUND

RECONDITIONED SUBGRADE

COMPACTED DEPTH AGGREGATE LIFT

DRAWING TITLE

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

OVERLAY

ROAD SHAPE

Nov 2019

Rev 1

TNF

K. CHERRY

TNF ENG

C-02

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TYPICAL CULVERT INSTALLATION AT LIVE STREAMS

SELECT BACKFILL MATERIAL AND DEPTH FOR

BEDDING REFER TO FP-14 SECTIONS 602 AND 209.09

PIPE Ø

SUBGRADE

GRADE OF CMP SHALL BE SAME AS EXISTING

STREAM CHANNEL UNLESS OTHERWISE SHOWN

ON DRAWINGS

EXISTING

STREAMBED

1' MIN

4" MIN

1.25

RIP RAP

SEE NOTE 7

TYPICAL CULVERT INSTALLATION FOR DITCH RELIEF

SELECT BACKFILL MATERIAL AND DEPTH FOR

BEDDING REFER TO FP-14 SECTIONS 602 AND 209.09

PIPE Ø

SUBGRADE

GRADE OF CMP SHALL BE SAME AS EXISTING

STREAM CHANNEL UNLESS OTHERWISE SHOWN

ON DRAWINGS

1' MIN

1.25

EXISTING GROUND

VARIABLE SLOPE

2' MIN DEPTH

MINIMUM WIDTH OF

APRON IS 2 PIPE Ø

NOTES

1. PLACE CULVERT IN ALIGNMENT WITH THE NATURAL STREAM

CHANNEL. WHERE NO CHANNEL IS APPARENT, INSTALL CULVERTS

AT SKEWS SHOWN ON THE DRAWINGS OR AS DIRECTED BY THE CO.

2. MINIMUM CULVERT GRADES SHALL BE 5% OR

OF THE TRIBUTARY

DITCH GRADE.

3. CAMBER WILL DEPEND ON SITE CONDITIONS. MAXIMUM CAMBER IS

2% (STEEL OR ALUMINUM CULVERTS) OR 1% (POLYETHYLENE

CULVERTS) OF CULVERT LENGTH BY NO MORE THAN 2.5" AT

CENTER.

4. CATCH BASIN CONSTRUCTION IS REQUIRED WHEN SHOWN ON THE

DRAWINGS AND AT ALL INSTALLATIONS WHERE THE INLET IS LOWER

THAN NATURAL GROUND.

5. CULVERT INLETS AND OUTLETS SHALL EXTEND 24" BEYOND THE

TOE OF THE FILL UNLESS AGREED TO BY THE CO.

6. MINIMUM COVER OVER CULVERTS UNLESS OTHERWISE SHOWN ON

THE DRAWINGS IS 12".

7. PLACE RIPRAP AT SITES SHOWN ON THE DRAWINGS OR AS

DIRECTED BY THE CO. MINIMUM WIDTH OF RIPRAP IS 1.5 PIPE Ø.

MINIMUM RIPRAP SIZE IS CLASS 4.

8. THE CONTRACTOR SHALL PROVIDE THE CO A LIST OF AS-SLOPE

STAKED CULVERT LENGTHS AND LOCATIONS.

CULVERT SKEW DIAGRAM

BEGIN PROJECT ℄ END PROJECT

TYPICAL CATCH BASIN WITH DITCH BLOCK

CONSTRUCT DITCH BLOCK OF ROCK

WITH 12" MAX AVERAGE DIAMETER.

HEIGHT OF DITCH BLOCK SHALL BE NO

GREATER THAN THE TOP OF THE CULVERT

25' TAPER EACH SIDE

ALUMINUM & STEEL CULVERT CORRUGATIONS

SHALL CONFORM TO THE FOLLOWING:

PIPE SIZE MINIMUM (IN./GAGE) CORRUGATIONS

(IN) STEEL ALUMINUM

18 TO 36 0.064"/16 0.060" / 16 2

" X 0.5"

48 0.079" / 14 0.075" / 14 2

" X 0.5"

60 0.079" / 14 0.075" / 14 5" X 1"

72 0.109" / 12 0.105" / 12 5" X 1"

POLYETHYLENE (PE) CULVERT

PER ASTM D 3350

CORRUGATED

PIPE SIZE MIN COVER CELL CLASS CELL CLASS

Ø NO. 315412C NO. 324420C

MAX FILL HEIGHT IN FEET

18" 12" 12' 10'

24" 12" 12' 10'

30" 12" 12' 10'

36" 12" 11' 10'

POLYETHYLENE (PE) CULVERT

PER ASTM D 3350

RIBBED

PIPE SIZE MIN COVER CELL CLASS CELL CLASS

Ø NO. 334433C NO. 335434C

MAX FILL HEIGHT IN FEET

18" 12" 18' 24'

24" 12" 22' 28'

30" 12" 22' 28'

36" 12" 25' 31'

40" 12" 21' 27'

48" 12" 21' 26'

DIRECTION

OF FLOW

DRAWING TITLE

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

TYPICAL CULVERT

DETAILS

Nov 2019

Rev 1

TNF

K. CHERRY

TNF ENG

C-03

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EXISTING GROUND

VARIABLE SLOPE AS

DESIGNATED/STAKED

TYPICAL SLOPE STAKING

EXCAVATION

SUBGRADE

TYPICAL CULVERT STAKING

LINE STAKE

REFERENCE STAKE

SLOPE STAKE

CENTERLINE STAKE

CULVERT STAKE

REFERENCE STAKE

SLOPE STAKE

CULVERT STAKE

1.5 CULVERT Ø OR 40" MIN

CATCH BASIN

LINE STAKE IS AN UNMARKED STAKE IN ALIGNMENT WITH CENTERLINE AND

REFERENCE STAKES - REQUIRED ONLY WHERE NO SLOPE STAKE IS NECESSARY.

CONTRACTOR IS REQUIRED TO MARK 18" CULVERTS WITH A REFERENCE STAKE

SHOWING ONLY CULVERT DIMENSIONS. CULVERTS GREATER THAN 18" BUT

LESS THAN 60' SHALL BE STAKED ONLY ON THE INLET END. CULVERTS 60" AND

GREATER OR REQUIRING FISH PASSAGE SHALL BE STAKED ON BOTH THE INLET

AND OUTLET ENDS.

NOTES

1. CONSTRUCTION SURVEY AND STAKING TOLERANCES ARE CONTAINED IN

FP-14 SECTION 152.03, TABLE 152-1.

2. STAKES AND HUBS HAVE THE FOLLOWING NOMINAL DIMENSIONS:

HUBS: 2" X

" X 18" OR

2" X

" X 24"

STAKES: 2" X

" X 48"

3. PAINT TOPS OF ALL STAKES AND HUBS FLUORESCENT ORANGE. FLAG

STAKES AND HUBS WITH FLUORESCENT ORANGE FLAGGING.

4. MARK CLEARING LIMITS WITH HIGH VISIBILITY FLUORESCENT ORANGE

FLAGGING, NOMINAL DIMENSION 1" WIDE. EACH FLAG STREAMER LENGTH

TO BE APPROXIMATELY 24" AND EACH FLAG TO BE SECURELY TIED TO

VEGETATION APPROXIMATELY 5' ABOVE GROUND LEVEL.

5. MARK OTHER FEATURES AND SPECIAL STRUCTURES WITH COLORS

APPROVED IN WRITING BY THE CO.

6. UNLESS WAIVED IN WRITING BY THE CO UPON COMPLETION OF CLEARING

AND GRUBBING, BUT PRIOR TO EXCAVATION AND PLACING BORROW,

ESTABLISH CENTERLINE FROM THE REFERENCE POINT WITH A LATH

SHOWING CUT OR FILL TO FINISH GRADE.

7. ESTABLISH CLEARING LIMITS USING METHOD III UNLESS ACTUAL CATCH

POINT IS STAKED.

8. NO SLOPE STAKE REQUIRED ON SECTIONS WHERE THEORETICAL CATCH IS

A CUT LESS THAN 10'.

9. ESTABLISH CLEARING LIMITS ON BOTH SIDES OF EACH CENTERLINE STATION

USING METHOD III, UNLESS THE ACTUAL CATCHPOINT IS STAKED. STAKE

REFERENCES FOR EACH CENTERLINE STATION ON THE UPHILL SIDE ONLY.

ESTABLISH SLOPE STAKES ONLY FOR THE SIDE ON ANY SECTION WHERE

THE SLOPE STAKE NOTES SHOW A CUT GREATER THAN 10' AT THE

THEORETICAL CATCHPOINT.

10. SET REFERENCE STAKES A MINIMUM OF 15' BEHIND THE CLEARING LIMITS.

DISPLAY THE FOLLOWING INFORMATION ON REFERENCE STAKES:

10.1. "L" STATION

10.2. HORIZONTAL DISTANCE TO CENTERLINE

10.3. VERTICAL DISTANCE TO FINISHED GRADE

10.4. THE AZIMUTH FROM THE R.P. TO THE CENTERLINE STAKE. (IN LIEU OF

DISPLAYING THE AZIMUTH, PLACE AN UNMARKED LINE LATH A MINIMUM

OF 15' BEHIND THE REFERENCE STAKE IN LINE WITH THE CENTERLINE,

SLOPE STAKE AND REFERENCE STAKES, WHEN DIRECTED BY THE CO)

10.5. SLOPE RATIO AND ROAD WITH LEFT AND RIGHT OF CENTERLINE

10.6. DISPLAY THE CATCHPOINT INFORMATION ON THE R.P. AND RHT

HORIZONTAL DISTANCE FROM THE R.P. TO THE CATCHPOINT WHEN

SLOPE STAKES ARE REQUIRED.

11. DISPLAY THE FOLLOWING INFORMATION ON SLOPE STAKES;

11.1. "L" STATION

11.2. HORIZONTAL DISTANCE TO CENTERLINE

11.3. VERTICAL DISTANCE TO FINISHED GRADE

11.4. SLOPE RATIO

11.5. DISPLAY THE HORIZONTAL DISTANCE FROM THE SLOPE STAKE TO THE

CATCHPOINT WHEN SLOPE STAKES ARE SET BACK TO AVOID

DESTRUCTION DURING CLEARING OPERATIONS.

DRAWING TITLE

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

CONSTRUCTION

STAKING

Nov 2019

Rev 1

TNF

K. CHERRY

TNF ENG

C-04

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50' TYP

10' TYP

STRAW BALES, CENTERED IN DITCH LINE

SILT FENCE TYP

DITCH FLOW

PLACE SILT FENCE ALONG WATERWAY

TERMINATE AT END OF CUT TYP

SILT FENCE, SECURE AROUND INLET

TO KEEP DEBRIS OUT OF STREAM

SILT FENCE TYP 50' TYP

FILL SLOPE

EDGE OF ROAD TYP

CENTERLINE OF ROAD

CULVERT

TYPICAL SEDIMENT CONTROL AT CULVERTS

EDGE OF STREAM TYP

DIRECTION

OF FLOW

POST

WOVEN WIRE FENCE FABRIC

GEOTEXTILE FABRIC FILTER CLOTH

SECURE TO TOP OF POSTS

C H

F L O

2.5'

SECURE EACH BALE WITH

AT LEAST 2 STAKES BURIED

AT MIN 12" DEPTH

BOTTOM OF SILT FENCE BURIED

IN TRENCH MIN 6" DEPTH

TYPICAL SILT FENCE INSTALLATION FOR DITCHES

APPROX 6'

TYPICAL

APPROX 6'

CENTER ON DITCH

135°

STRAW BALES (2)

GEOTEXTILE

APPROX 10' TYP

GEOTEXTILE

WOVEN WIRE FABRIC

POST

TYPICAL SEDIMENT CONTROL AT CULVERTS

ROAD FILL SLOPE

EXISTING

GROUND

GEOTEXTILE FABRIC

BURY BOTTOM EDGE ± 6"

VARIES 5' TO 10'

VARIES 3' TO 5'

BRUSH BARRIER

SEE NOTES

TYPICAL BRUSH BARRIER

NOTES

1. SILT FENCE CONSISTS OF WOVEN WIRE FENCE FABRIC WITH A

MAXIMUM 6" MESH, MINIMUM HEIGHT 30".

2. THE CO MAY REQUIRE ADJUSTMENTS TO ACTUAL LENGTHS OR

LOCATIONS TO FIT FIELD CONDITIONS.

3. INSPECT SILT FENCES AFTER EACH RUNOFF EVENT AND

IMMEDIATELY REPAIR ALL EROSION ALONG EDGES AND BOTTOM.

4. ACCUMULATED DEPTH OF SEDIMENT SHALL NOT EXCEED ONE

HALF OF THE ORIGINAL HEIGHT OF THE SILT FENCE.

5. IN AREAS DESIGNATED FOR BRUSH BARRIERS, LIMIT CLEARING

TO TREES, SHRUBS AND PLANTS LESS THAN 4" IN DIAMETER.

GRUBBING SHALL NOT BE PERFORMED IN THOSE AREAS.

6. BRUSH BARRIER SHALL BE CONSTRUCTED APPROXIMATELY

PARALLEL TO ORIGINAL GROUND CONTOUR. USE

WELL-INTERMINGLED MASS OF BRUSH, TRESS, TRIMMINGS ETC.

BARRIER SHALL BE POROUS ENOUGH TO ALLOW WATER TO

FILTER THROUGH. SECURE BY PLACING MATERIAL (TREES, LOGS

ETC) ON TOP OF AND THROUGHOUT THE BRUSH.

7. ADJOIN BRUSH BARRIER WITH ROADWAY SLOPE ON THE LOW END

AS NEEDED TO CONTAIN SEDIMENTS.

DRAWING TITLE

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

EROSION CONTROL

DEVICES

Nov 2019

Rev 1

TNF

K. CHERRY

TNF ENG

C-04

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SILT FENCE TYP

CULVERT

EDGE OF ROAD

ORIGINAL FILL SLOPE

EXISTING EDGE OF STREAM

TEMPORARY DIVERSION CHANNEL

LIMITS OF EARTHWORK TYP

USE SANDBAGS TO CONSTRUCT

TEMPORARY BARRIER

USE SANDBAGS TO PREVENT

BACKFLOW INTO NATURAL CHANNEL

TEMPORARY DIVERSION

CHANNEL WITH PLASTIC

LINER OR RIPRAP

CULVERT

EDGE OF ROAD

ORIGINAL FILL SLOPE

EXISTING EDGE OF STREAM

MECHANICAL PUMP TEMPORARY DIVERSION CHANNEL

LIMITS OF EARTHWORK TYP

F L O

USE SANDBAGS TO CONSTRUCT

TEMPORARY BARRIER

CENTERLINE OF ROAD

TEMPORARY FORCE

MAIN

CENTERLINE OF ROAD

TRASH PUMP SIZED TO

DIRECT TOTAL FLOW FROM

STREAM THROUGH FORCE MAIN

2' TYP

PLASTIC LINER

ANCHOR LINER

IN GROUND PRIOR TO

STREAM DIVERSION

SILT FENCE

DEPTH/WIDTH DETERMINED

BY NATURAL STREAM

PLASTIC LINED CHANNEL SECTION

SILT FENCE

DEPTH/WIDTH DETERMINED

BY NATURAL STREAM

RIPRAP LINED CHANNEL SECTION

RIPRAP LINING

NOTES

1. USE PLASTIC LINER, IMPERMEABLE GEOTEXTILE MEMBRANE OR RIP RAP ALONG THE ENTIRE LENGTH AND

WIDTH OF THE TEMPORARY DIVERSION CHANNEL.

2. CONSTRUCT CHANNEL AT A MINIMUM GRADE OF 0.5%.

3. DO NOT CONSTRUCT WITH LONGITUDINAL JOINTS IF USING A PLASTIC LINER OR IMPERMEABLE GEOTEXTILE

MEMBRANE. BURY THE UPSTREAM EDGE OF THE LINER A MINIMUM OF 6' DEEP AND SECURE WITH RIPRAP

OR SANDBAGS.

4. ALL PUMPS WILL HAVE A SCREENED FOOT VALVE IN ACCORDANCE WITH CONTRACT REQUIREMENTS.

5. TREAT ALL TURBID WATER FROM SUMP PUMP OPERATIONS BEFORE IT RE-ENTERS THE STREAM BY USE OF

FILTERS EITHER VEGETATION OR MANMADE, SETTLING PONDS, FLOCCULENT SOCKS ETC.

6. THE CONTRACTOR SHALL SUBMIT A WRITTEN DEWATERING PLAN TO THE CO FOR APPROVAL 30 DAYS IN

ADVANCE OF CONSTRUCTION.

7. ALL REPLACEMENT SITES REQUIRE DEWATERING FACILITIES AND A SUMP PUMP TO BYPASS WATER AND

REMOVE WATER FROM WITHIN THE WORK SITE. THE DESIGN OF THE DEWATERING OPERATIONS MUST

ALLOW 1 TRAVEL LAND BYPASS ACROSS THE SITE FOR PUBLIC ACCESS VEHICLES.

8. THE CONTRACTOR SHOULD EXPECT AND PREPARE FOR A WIDE RANGE OF FLOW CONDITIONS AT SE

ALASKA WORK SITES.

9. TEMPORARY CULVERT CAN BE USED IN PLACE OF PLASTIC LINED OR RIPRAP LINED DIVERSION CHANNELS.

ALL TEMPORARY CULVERT DIVERSIONS MUST BE APPROVED BY THE CO 30 DAYS PRIOR TO

CONSTRUCTION.

DRAWING TITLE

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

STREAM DEWATERING

Nov 2019

Rev 1

TNF

K. CHERRY

TNF ENG

C-06

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NOTES

1. ALL PITS AND QUARRIES SHALL BE APPROVED IN WRITING BY THE CO PRIOR TO

EXPLORATION, CLEARING OR DEVELOPMENT.

2. REMOVE ALL OVERBURDEN TO SOLID ROCK FOR A MINIMUM DISTANCE OF 15' FROM

THE WORKING FACE.

3. SLOPE THE CUT BANK OF THE OVERBURDEN TO THE NATURAL ANGLE OF REPOSE BUT

IN NO CASE STEEPER THAN 1:1.

4. WITHIN THE CLEARING LIMITS:

4.1. MAXIMUM STUMP HEIGHT SHALL BE IN ACCORDANCE WITH SPECIFICATIONS.

4.2. STABLE TREES UP TO 6" (DBH) NEED NOT BE CUT IF THEY WILL NOT INTERFERE

WITH BACK SLOPE STABILITY.

4.3. STUMPS AND BRUSH MAY BE LEFT IN PLACE, EXCEPT THAT ALL STUMPS THAT

PROTRUDE FROM EXCAVATED BANKS OR THAT HAVE THE POTENTIAL TO BECOME

DISLODGED AT ANY LATER DATE SHALL BE REMOVED.

5. DISPOSE OF OR STOCKPILE FOR LATER USE ALL OVERBURDEN, CLEARING,

MERCHANTABLE TIMBER AND GRUBBING DEBRIS AS SHOWN ON THE QUARRY

DEVELOPMENT PLAN.

6. FELL ALL DEAD TREES AND SNAGS WHICH ARE SUFFICIENTLY TALL TO REACH THE

WORK AREA.

7. LEAVE THE PIT/QUARRY IN A NEAT, ORDERLY AND WELL-DRAINED CONDITION.

REMOVE ALL OVERHANGS AND LOOSE ROCK.

8. AFTER EXCAVATION IS COMPLETE CLEAN THE AREA AND LEAVE AS SHOWN ON THE

QUARRY DEVELOPMENT PLAN. TREAT ANY ACCESS ROAD AS SHOWN ON THE QUARRY

DEVELOPMENT PLAN.

9. TEST SHOTS OF 1300 TO 2600 CY ARE REQUIRED AT ALL QUARRY SITES IF DESCRIBED

IN THE SPECIFICATIONS.

10. LEAVE NO MORE THAN 5% BY VOLUME OF OVERSIZE MATERIAL IN THE QUARRY.

BREAK DOWN ANY MATERIAL OVER THIS VOLUME AND USE AS SPECIFIED IN SECTIONS

651.

11. PROVISIONS FOR FUTURE QUARRY DEVELOPMENT ACCESS WILL BE PROVIDED,

UNLESS THIS REQUIREMENT IS WAVED BY THE CO.

12. INSTALL AND MAINTAIN A COMMERCIALLY AVAILABLE RAIN GAUGE MEASURING IN

UNITS OF INCHES AND FRACTIONS OF INCHES IN ACCORDANCE WITH SECTION 205.08.

13. HAUL WILL NOT BE ALLOWED BEYOND DESIGNATED SOURCES UNLESS OTHERWISE

SHOWN ON THE DRAWINGS OR AGREED TO BY THE CO.

14. SEED AND FERTILIZE ALL DISTURBED AREAS SUCH AS OVERBURDEN PILES AND BENCH

SURFACES IN ACCORDANCE WITH SECTION 625.

SAMPLE QUARRY DEVELOPMENT PLAN SAMPLE QUARRY BLASTING PLAN

QUARRY DEVELOPMENT PLAN QUARRY BLASTING PLAN

QUARRY IS LOCATED RIGHT OF STA XX+XX ON ROAD NO. XXXX

ESTIMATE OF VOLUME = XXXX CY

CMP

ROAD NO. XXXX

ACCESS ROAD

STREAM

THIS AREA TO BE CLEARED

ONLY IF OVERBURDEN CANNOT

BE CONTAINED BETWEEN THE

ACCESS ROAD AND ROAD NO.

XXXX

STA XX + XX

TIMBER FROM QUARRY SITE

DECKED IN MUSKEG

CLEARING LIMIT FLAGGED

OVERBURDEN

PLAN VIEW

APPROX

ELEV XXXX

CROSS SECTION VIEW

OBD

ELEV XXXX

15' MIN

40'

15' MIN

3% SLOPE

ACCESS

ROAD

XXXX

DEVELOPMENT PLAN

1. ALL MERCHANTABLE TIMBER WILL BE REMOVED FROM THE QUARRY SITE AND DECKED IN THE

MUSKEG LEFT OF XX+XX

2. OVERBURDEN WILL NOT BE PLACED IN THE SMALL STREAM BORDERING THE QUARRY.

3. DEVELOPMENT WILL COMPLY WITH THE GENERAL NOTES SHOWN ON THE PIT & QUARRY

DEVELOPMENT TYPICAL SHEET.

4. TEST SHOT OF APPROXIMATELY XXXX CY IS PLANNED.

REHABILITATION PLAN

1. THE ACCESS ROAD WILL BE OBLITERATED BY CUTTING A DITCH AT THE JUNCTION OF THE

ACCESS ROAD WITH ROAD NO. XXXX AND BY ROUGHING UP THE ACCESS ROAD SURFACE.

2. ALL OVERSIZE ROCK WILL BE PLACED AGAINST THE SIDES OF THE QUARRY NEXT TO THE

BACKWALL BENCH.

3. A MINIMUM OF 12" OF OVERBURDEN WILL BE EVENLY SPREAD OVER THE QUARRY FLOOR.

4. ALL DISTURBED AREAS, SUCH AS OVERBURDEN PILES, BENCH SURFACES, AND ACCESS ROAD

SURFACES WILL BE SEEDED AND FERTILIZED IN ACCORDANCE WITH SPECIFICATIONS.

5. PROVISIONS FOR FUTURE QUARRY ACCESS WILL BE PROVIDED UNLESS THIS REQUIREMENT IS

WAIVED BY THE COR.

CONTRACTOR DATE COR DATE DISTRICT RANGER DATE

THIS PLAN IS FOR THE FIRST TEST SHOT IN THE QUARRY

RIGHT OF STA. XX+XX ON ROAD NO. XXXX

STA XX+XX

ROAD NO. XXXX

SECOND

PRODUCTION

SHOT

XXXX CY

FIRST

PRODUCTION

SHOT

XXXX CY

EXISTING

QUARRY

FLOOR

E m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s m s

SEQUENTIAL TIMER

FIRING SEQUENCE - SEQUENCE OF

DELAYS IS THE SAME FOR ALL 5 ROWS

ACTUAL MILLISECOND DELAY USING

SEQUENTIAL TIMER

BOREHOLE SIZE = XX"

HOLE DEPTH = XX' TO XX'

SPACING XX'

STEMMING = XX'

TYPE OF EXPLOSIVES = XX

DENSITY = XX LB/CY

TYPE OF PRIMER & LOCATION IN HOLE = XXXX

TOTAL NUMBER OF HOLES IN SHOT = XX

TOTAL POUNDS OF POWDER IN SHOT

(INCLUDING PRIMERS) = XXXX LB

NUMBER OF CY IN SHOT = XXXX CY

MAXIMUM POUNDS OF POWDER

PER 8ms DELAY = XXXX LBS

POWDER FACTOR = XX LB/CY

NAME OF BLASTER IN CHARGE = (FULL NAME)

PLANNED SHOT DATE/TIME = XXXXX AT XXXX AM/PM

5' STEMMING

3.5" DIA HOLE

TYPICAL LOADED HOLE

EXAMPLE:

'HI DRIVE' PRIMER WITH 125ms TO 205ms

DU PONT ELECTRIC BLASTING CAP

LOCATED AT BOTTOM OF HOLE WITH ONE

3" X 6" STICK OF TOVEX USED FOR CUSHION.

HAUL DIAGRAM

E.O.P.

MP XX.XX

E.O.P.

MP XX.XX

ROAD XXXX ROAD XXXX

DESIGNATED

ROCK SOURCE

DIRECTION

OF HAUL

40' MAX

15' MIN 40' MAX

15' MIN

OVERBURDEN

CLEARING LIMITS

DRAWING TITLE

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

PIT & QUARRY

DEVELOPMENT

Nov 2019

Rev 1

TNF

K. CHERRY

TNF ENG

C-05

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DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

CATCH BASIN

CLEANOUT

5/12/2020

FS090523_R102013_L1-002.dwg

X.XXX

C-06

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GENERAL NOTES:

REMOVE BRIDGE FROM SITE AND

RECONSTRUCT STREAM BANK. REUSE

EXISTING SILLS AND BACKWALLS.

MECHANICALLY PLACED EMBANKMENT, PLACE

IN ACCORDANCE w/ SPECIAL ROCK

EMBANKMENT & ROCK BUTTRESS (FP-14

SECTION-252).

SEE GENERAL NOTES SHEET FOR FISH TIMING

REQUIREMENTS

EROSION CONTROL PLAN IS REQUIRED IF

DIRECTED BY THE C.O. (FP-14 SECTION-157).

MATCH EXISTING ROAD ELEVATIONS AND

GRADES.

AT MP 1.934 THE LEFT SILL IS UNDERMINED AND

NEEDS REPAIR AND RIPRAP INSTALLED

AT MP 3.709 BOTH SILLS ARE UNDERMINED AND

REQUIRE RIPRAP PLACEMENT AND

RECONSTRUCTION OF THE SILLS.

EXISTING BACKWALL- REUSE DURING REINSTALLATION

OF BRIDGE

MECHANICALLY PLACED EMBANKMENT BOTH SIDES

ROAD EDGE

TOE OF FILL

TAPER RIPRAP TO DESIGNED FILL

STREAM THALWEG

MODULAR BRIDGE

TOE OF FILL

ROAD EDGE

ROAD CENTERLINE

REINSTALL BRIDGE TO MATCH FINISH ROAD GRADE,

CUT/FILL AS REQUIRED

12" MIN.

t o

I N

EXISTING MODULAR BRIDGE

OBSERVED HIGH WATER MARKS/Q50

MECHANICALLY PLACED EMBANKMENT, SEE (FP-14 SECTION-252).

SEE (FP-14 SECTION-705.04) FOR GRADATION. PLACE ALONG STREAM

BANK AS NEEDED FOR SLOPE PROTECTION. AT MP 3.709 RIPRAP BOTH

SIDES UP AND DOWN STREAM OF BRIDGE FOR 25 FT MIN. KEYING RIPRAP

INTO BANK.

BOTTOM OF GIRDER MP 3.709 MIN 3 FT

BOTTOM OF GIRDER MP 1.934 MIN 5 FT

EXISTING GRADE

1" MINUS GRAVEL LEVELING COURSE

BORROW AND/OR SUITABLE ROCK EXCAVATION

1% (M

) T

O 5% (M

AX) B

RID

GE G

RADE

PLAN

PROFILE

MODULAR BRIDGES

ROAD

3.709

(FT)

LENGTHL-STA/

FURNISHED BY

CONTR. GOV'T

BRIDGES ARE AT SITES, REUSE EXISTING

PRESENT LOCATION

(IF GOV'T FURNISHED)

BORROW AND/OR SUITABLE ROCK

EXCAVATION

DRAWING TITLE

PROJECT NAME

DRAWN

DESIGNER

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DWG SHEET NO.

OFSHEET

S T

D E

M E

N T

OF AG

I C

U R

United States Department of Agriculture Forest Service

6/9 /20

8 R

C :\U

M P

3.7

\D W

W G;

R10

ALASKA REGION

8 FATHOM BRIDGE

REPAIR AND ROAD

MAINTENANCE

TONGASS NATIONAL

FOREST

HOONAH RANGER DISTRICT

TYPICAL MODULAR

BRIDGE

(3 YEARS OR LESS)

11/9/2018

FS090523_R102013_L1-002.dwg

TNF

K. CHERRY

TNF

BR-01

10101.934 60

EXISTING RIPRAP AND/OR NEW ADDITIONAL RIPRAP

KEY INTO BANKS, SHOWN AS REFERENCE

EXISTING TIMBER BACKWALL AND SILL

Sheets and Views

8 Fathom Bridge Repair and Road Maintenance_recover-COVERSHEET

8 Fathom Bridge Repair and Road Maintenance_recover-SCHEDULE & NOTES

8 Fathom Bridge Repair and Road Maintenance_recover-PROJECT MAP

8 Fathom Bridge Repair and Road Maintenance_recover-TYP X-SECT

8 Fathom Bridge Repair and Road Maintenance_recover-OVERLAY

8 Fathom Bridge Repair and Road Maintenance_recover-CULVERT

8 Fathom Bridge Repair and Road Maintenance_recover-STAKING

8 Fathom Bridge Repair and Road Maintenance_recover-EROSION CONTROL

8 Fathom Bridge Repair and Road Maintenance_recover-DEWATERING

8 Fathom Bridge Repair and Road Maintenance_recover-PIT & QUARRY

8 Fathom Bridge Repair and Road Maintenance_recover-CULVERT INLET AND DITCHING

bridge pull replace-Layout1

	2020-06-13T09:55:04-0800
BASIA TROUT

File details come from the government source that posted it. Updated Jun 26, 2020.