Final_Plans_2050050-0.82pdf.pdf

USDA FOREST SERVICE - TONGASS NF SH. ofREGION 10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

CULVERT REPLACEMENT - NFSR 2050050 MP 0.82 TITLE SHEET

THORNE BAY RANGER DISTRICT

BM Feb-18

BM Feb-18

MJ Feb-18 Craig 2050300-0.82 COVER.dwg 1 9

APPROVED

FOREST ENGINEER DATE

CULVERT REPLACEMENT

NFSR 2050050 MP 0.82

U.S. DEPARTMENT OF AGRICULTURE

FOREST SERVICE, REGION 10

THORNE BAY RANGER DISTRICT

TONGASS NATIONAL FORESTS

JUNEAU

Craig

KEY MAP

140°142°

58°

138° 136°

Sitka

132°134°136°138°140°142°

60°

Yakutat

C

AN

AD

A

ALAS

KA

62°

Skagway

56°

54°

132°134°

Ketchikan

Wrangell

Petersburg

128°130°

60°

58°

PROJECT

LOCATION

INDEX TO SHEETS

DESCRIPTIONNO.

GULF OF ALASKA

RECOMMENDED

DISTRICT RANGER DATE

KLAWOCK

PROJECT

LOCATION

TITLE SHEET1

STRUCTURE EXCAVATION & BACKFILL

4 ROAD PLAN & PROFILE

GENERAL NOTES & SCHEDULE OF QUANTITIES

TYPICAL ROADWAY SECTION & POINT TABLES

DEWATERING PLAN & REQUIREMENTS

5 CULVERT GENERAL LAYOUT

ROADWAY CROSS SECTIONSXS1-XS2

VICINITY MAP

CONSTRUCTION PLANS FOR:

CULVERT DETAILS

CUT-OFF WALL DETAILS

MATERIAL

SOURCE

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DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CULVERT REPLACEMENT GENERAL NOTES & SCHEDULE OF QUANTITIES

CRAIG RANGER DISTRICT

BM 8/2017

BM 8/2017

MJ 8/2017 6762_Craig 2050050-0.82_Design.dwg 2 9

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

NFSR 2050050 MP 0.82

ITEM NO. ITEM DESCRIPTION UNIT QUANTITY REMARKS

15101 MOBILIZATION LUMP SUM ALL

TRAFFIC CONTROL, FIRE PROTECTION, EQUIPMENT CLEANING,

AND ANY MAINTENANCE OF EXISTING NFS ROADS FOR

CONTRACTOR ACCESS IS INDIRECT TO THIS PAY ITEM

15221 CONSTRUCTION SURVEY AND STAKING LUMP SUM ALL

15401 CONTRACTOR TESTING LUMP SUM ALL CULVERT BACKFILL COMPACTION TESTING. (FP-14 209.10)

15713 SOIL EROSION & POLLUTION CONTROL LUMP SUM ALL

20301 REMOVAL OF EXISTING CORRUGATED STEEL PIPE,

METHOD A EACH 1

20501 ROCK EXCAVATION CUBIC YARD 130

20805 BACKFILL CUBIC YARD 720 CQ GOVERNMENT SOURCE (FP-14 SUBSECTION 704.03).

SEE SHEET 8. COMPACTION PER SUBSECTION 208.10

20806 STRUCTURE EXCAVATION LUMP SUM ALL

REMOVAL AND HAULING OF UNSUITABLE MATERIAL, AND

ROADWAY CONSTRUCTION IS INDIRECT TO THIS PAY ITEM.

SEE SHEET 8

25101 PLACED RIPRAP, CLASS 3 CUBIC YARD 10 CQ GOVERNMENT SOURCE. SORTING REQUIRED. SEE COVER

SHEET AND FSSS SECTION 105

30207 CRUSHED AGGREGATE, SURFACING, METHOD 1 CUBIC YARD 45 CQ GOVERNMENT SOURCE. GRADATION MUST BE APPROVED BY

THE CO. COMPACTION PER FSSS 302.05

60101 CONCRETE, CUT-OFF WALL CUBIC YARD 2.5 CQ INCLUDES 10 ANCHOR BOLTS FOR CULVERT AND

REINFORCING STEEL.

60301 168" DIAMETER GALVANIZED CORRUGATED STEEL

STRUCTURAL PLATE PIPE, 0.170" THICKNESS LINEAR FOOT 122 MANUFACTURER TO CERTIFY CULVERT MEETS HL-93 LOADING

WITH THE MINIMUM COVER SHOWN ON THESE PLANS.

62504 SEEDING, DRY METHOD LUMP SUM ALL

SCHEDULE OF QUANTITIES

CQ= CONTRACT QUANTITY (SEE SECTION 109.02(B) OF THE STANDARD SPECIFICATIONS)

GENERAL NOTES

DESIGN: THIS STRUCTURE IS DESIGNED FOR HL-93 LIVE LOADING IN ACCORDANCE

WITH AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS, 7TH EDITION.

HYDROLOGY AND HYDRAULICS: THIS STRUCTURE HAS BEEN DESIGNED TO PASS A

Q100 FLOOD EVENT WITH A HEADWATER DEPTH TO CULVERT RISE RATIO LESS THAN

0.8. FLOW DATA IS PROVIDED ON SHEET 5.

SPECIFICATIONS: CONSTRUCT THE PROJECT IN COMPLIANCE WITH FEDERAL HIGHWAY

ADMINISTRATION STANDARD SPECIFICATIONS FOR CONSTRUCTION OF ROAD AND

BRIDGES ON FEDERAL HIGHWAY PROJECTS (FP-14) AND APPLICABLE FOREST SERVICE

SUPPLEMENTAL SPECIFICATIONS.

ROAD WORK: DEPTHS OF ALL MATERIALS ARE GIVEN AS FINAL COMPACTED DEPTHS.

REMOVE ALL BERMS, EXISTING OR CREATED, UNLESS DESIGNATED TO REMAIN, TO

ALLOW DRAINAGE OF WATER FROM THE TRAVELED WAY.

DEWATERING & EROSION CONTROL PLAN: SUBMIT A DEWATERING AND SOIL EROSION

AND SEDIMENT CONTROL PLAN TO THE CONTRACTING OFFICER FOR APPROVAL AT LEAST

SEVEN (7) DAYS PRIOR TO BEGINNING WORK. SEE SECTION 157 OF THE SUPPLEMENTAL

SPECIFICATIONS FOR DETAILS. CONSTRUCT TEMPORARY MEANS TO DIVERT THE FLOW

OF THE LIVE STREAM AS NECESSARY TO PERFORM WORK. DO NOT PUMP WATER FROM

EXCAVATIONS DIRECTLY INTO THE LIVE STREAM.

DISPOSAL: ALL MATERIALS DESIGNATED FOR REMOVAL BECOME THE PROPERTY OF THE

CONTRACTOR AND ARE TO BE DISPOSED OF BY REMOVING FROM THE FOREST IN AN

ENVIRONMENTALLY SAFE MANNER IN ACCORDANCE WITH ALL LOCAL, STATE AND

FEDERAL REQUIREMENTS. DISPOSE OF EXCESS OR UNSUITABLE MATERIAL AT THE

LOCATION DESIGNATED IN FSSS, SECTION 105. HAULING OF EXCESS OR UNSUITABLE

MATERIAL IS INCIDENTAL TO ASSOCIATED WORK.

TEMPORARY TRAFFIC CONTROL: SUBMIT A TEMPORARY TRAFFIC CONTROL PLAN TO THE

CONTRACTING OFFICER FOR APPROVAL AT LEAST 30 DAYS PRIOR TO INTENDED USE.

IN-STREAM WORK: ALL IN-STREAM WORK WILL BE DONE BETWEEN JUNE 15 AND

SEPTEMBER 1. ALLOWANCE SHALL BE GIVEN TO THE FOREST SERVICE TO CAPTURE AND

REMOVE FISH AND OTHER AQUATIC ORGANISMS FROM WITHIN THE CONSTRUCTION

WORK AREA PRIOR TO AND DURING WORK ACTIVITIES.

EQUIPMENT STORAGE: STORAGE OF ALL EQUIPMENT ON GOVERNMENT LANDS WILL BE

AT A LOCATION APPROVED BY THE CO.

SEEDING: SEED AND MULCH ALL DISTURBED SOIL THAT IS NOT WITHIN TRAVEL WAY OR

STREAM CHANNEL.

CONCRETE: USE CONCRETE MEETING THE REQUIREMENTS OF TABLE 601-1 OF SECTION

601 OF THE STANDARD SPECIFICATIONS WITH F'C = 4000 PSI AT 28 DAYS.

CONCRETE MAY BE MADE FROM A DRY, PREPROPORTIONED, BLENDED AND BAGGED MIX

MEETING THE REQUIREMENTS OF ASTM C387 AND MIXED ON SITE IN ACCORDANCE

WITH THE MANUFACTUER'S RECOMMENDATIONS. ALL CONCRETE MUST MEET THE

MINIMUM STRENGTH REQUIREMENTS SHOWN ABOVE.

REINFORCING STEEL: USE NON-PRESTRESSED REINFORCING OF THE DEFORMED TYPE

CONFORMING TO AASHTO M31 (ASTM A615), GRADE 60. CONCRETE COVER SHALL BE

AS SHOWN; WHERE NOT SHOWN IT SHALL CONFORM TO AASHTO. CUT AND BEND STEEL

IN ACCORDANCE WITH ACI 315.

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CENTERLINE POINTS

POINT #

NORTHING

1420669.4161

1420615.6777

1420598.8630

1420589.2198

1420572.3559

1420544.2336

1420514.9210

1420480.9789

1420455.1253

1420418.2103

1420416.7806

1420391.6006

1420378.5668

EASTING

2825159.0810

2825179.4961

2825189.0108

2825194.4675

2825203.0309

2825213.4044

2825219.6685

2825221.6415

2825219.4440

2825210.5214

2825210.0354

2825193.4817

2825170.2746

ELEVATION

606.33

605.42

603.86

601.73

601.01

602.02

604.09

608.49

608.67

612.26

DESCRIPTION

STA 30+22.97 CL ROAD/PC CURVE

STA 30+80.68 CL ROAD/PT CURVE

STA 31+00 CL ROAD/BEGIN CONSTRUCTION

STA 31+11.08 CL ROAD/PC CURVE

STA 31+30 CL ROAD

STA 31+60 CL ROAD

STA 31+90 CL ROAD

STA 32+24.04 CL ROAD/CL CULVERT

STA 32+50 CL ROAD

STA 32+88.03 CL ROAD/PT CURVE

STA 32+89.54 CL ROAD/ PC CURVE

STA 33+20 CL ROAD/END CONSTRUCTION

STA 33+46.84 CL ROAD/PT CURVE

CONTROL POINT TABLE

POINT #

CP-21

CP-23

CP-24

NORTHING

1420377.68

1420408.94

1420742.42

EASTING

2825200.89

2825034.16

2825147.74

ELEVATION

613.29

632.61

615.18

DESCRIPTION

SET-RPC

SET-RPC

SET-RPC

LAYOUT POINTS

POINT #

NORTHING

1420465.5313

1420501.1770

EASTING

2825272.0457

2825155.7233

ELEVATION

569.47

560.38

DESCRIPTION

CULVERT INVERT

CULVERT INVERT

USDA FOREST SERVICE - TONGASS NF SH. ofREGION 10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CULVERT REPLACEMENT TYPICAL ROADWAY SECTION & POINT TABLES

CRAIG RANGER DISTRICT

BM 8/2017

BM 8/2017

MJ 8/2017 6762_Craig 2050050-0.82_Design.dwg 3 9

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

CENTERLINE ROAD

PROFILE

GRADE

CRUSHED AGGREGATE

SURFACING 6" COMPACTED

THICKNESS

1.25

CLEARING LIMITS

CLEAR TO: TOE OF FILL, CUT DAYLIGHT, OR 5' MIN. SHOWN.

5'-0" MIN.

1V:1.25H

TYPICAL ROAD SECTIONS

NOT TO SCALE

5'-0" MIN.8'-0" 8'-0"

ROADWAY NOTES:

CLEARING AND GRUBBING: CLEARING AND GRUBBING IS CONSIDERED INCIDENTAL AND WILL NOT BE MEASURED SEPARATELY. DISPOSE OF SLASH PER SECTION 203 OF THE FOREST SERVICE SUPPLEMENTAL SPECIFICATIONS (FSSS).

CRUSHED AGGREGATE SURFACING: LIMITS OF CRUSHED AGGREGATE SURFACING ARE SHOWN ON SHEET 4.

CULVERT LAYOUT POINTS

SURVEY CONTROL POINTS

SET-RPC = Rebar with Red Plastic Cap set by DJ&A.

See Sheet 4 for location of CONTROL POINTS.

ROAD CENTERLINE POINTS

NFSR 2050050 MP 0.82

16'-0"

STA 31+00 TO 32+20

2%

CENTERLINE ROAD

PROFILE GRADE

CRUSHED AGGREGATE SURFACING

6" COMPACTED THICKNESS

1.25

1.25

CLEARING LIMITS

CLEAR TO: TOE OF FILL, CUT DAYLIGHT, OR 5' MIN. SHOWN.

5'-0" MIN. 5'-0" MIN.8'-0" VARIES: 8'-0" MIN.

14'-0" MAX.

2%

VARIES: 16'-0" MIN., 22'-0" MAX.

STA 32+20 TO 33+20

10H:1V

1 1

1 TRANSITION CROSS-

SLOPES TO MATCH EXISTING

AT ENDS OF PROJECT.

EXISTING ROAD

LOOKING AHEAD ON-LINE

EXISTING CULVERT INLET

LOOKING DOWNSTREAM

EXISTING CULVERT OUTLET

LOOKING UPSTREAM

2%2% 1 1

SHOULDER

0' @ 31+50

10' @ 32+00

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29+60 30+00 31+00 32+00 33+00 34+00 35+00 35+40

-8.23% 11.80%

S

TA

.0

EL

.3

S

TA

.0

EL

.2

120.00' VC

B V C S

.0

B V C E:

.0

EV

C S

.0

EV

C E:

.1

PVI STA:32+00.00

PVI ELEV:598.10

30+00

31+00

32+00

33+00

CURVE DATA:

R=190.00 L=57.71'

Δ=17°24'10"

CURVE DATA:

R=60.00 L=57.30' Δ=54°43'05"

CURVE DATA:

R=210.00 L=176.95' Δ=48°16'44"

CURVE DATA:

R=115.00 L=120.87' Δ=60°13'11"

STA:32+60

PC

: 3

.9

PC: 32+89.54

PC: 31+

11.08

PC: 33+48.83

PT: 30+

80.68

PT: 33+46.84

PT: 32+88.03

PT: 34+69.70

CENTERLINE CULVERT (STA 1+15.60)

AT CENTERLINE ROAD (STA 32+24.04)

STA

NEY

CREE

K

USDA FOREST SERVICE - TONGASS NF SH. ofREGION 10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CULVERT REPLACEMENT ROAD PLAN & PROFILE

CRAIG RANGER DISTRICT

BM 8/2017

BM 8/2017

MJ 8/2017 6762_Craig 2050050-0.82_Design.dwg 4 9

SCALE IN FEET

40 0 40

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591

Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

EXISTING GROUND AT

CENTERLINE ROAD

CENTERLINE ROAD

FINISHED GRADE

REMOVE & DISPOSE

EXISTING CULVERT

NEW CULVERT ROAD CONSTRUCTION NOTES:

1. ALL ROAD WORK, INCLUDING HAULING AND

DISPOSING OF EXCESS AND UNSUITABLE

MATERIAL, IS INCIDENTAL TO ITEMS 20805 &

20806.

2. HAUL & DISPOSE UNSUITABLE MATERIAL TO

THE WASTE SITE DESIGNATED IN FSSS

SECTION 105.20'

CAST-IN-PLACE

CONCRETE CUT-OFF

WALL. SEE SHEET 7

PLAN

CENTERLINE

ROAD

NEW EDGE

OF ROAD

REMOVE & DISPOSE

EXISTING 108"Ø

CORR. STEEL PIPE

STA 31+00

BEGIN ROAD WORK

BEGIN SURFACING

MATCH EXISTING

STA 33+20

END ROAD WORK

END SURFACING

MATCH EXISTING

NEW CULVERT

TOE OF FILL, TYP.

EXISTING EDGE

OF ROAD

ROAD PROFILE

CP-24

CP-21

NFSR 2050050 MP 0.82

CP-23

STA 34+90

LT EDGE

8'

10H:1V

SHLD.

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0+00 1+00 2+00 2+80

STA 1+84.54

INVERT EL 560.38

FG EL 602.02

AT CENTERLINE OF ROAD

-7.65%

STA 0+62.88

INVERT EL 569.47

LAYOUT PT.

LAYOUT PT.

0+

0+40

0+60 0+80 1+00 1+20 1+40 1+60 1+80 2+00

2+20 2+40

2+60 2+71

CENTERLINE CULVERT (STA 1+15.60)

AT CENTERLINE ROAD (STA 32+24.04)

STANEY

CREEK

USDA FOREST SERVICE - TONGASS NF SH. ofREGION 10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CULVERT REPLACEMENT CULVERT GENERAL LAYOUT

CRAIG RANGER DISTRICT

BM 8/2017

BM 8/2017

MJ 8/2017 6762_Craig 2050050-0.82_Design.dwg 5 9

SCALE IN FEET

20 0 20

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591

Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

REMOVE EXISTING

CULVERTEXISTING GROUND

ALONG THALWEG

OF STREAM

14'-0" DIAMETER GALVANIZED

STEEL STRUCTURAL PLATE PIPE

SECTION THRU CENTERLINE CULVERT

SCALE: 1" = 20'

122'-0"

CULVERT LENGTH

.8

10'

CAST-IN-PLACE

CONCRETE CUT-OFF

WALL. SEE SHEET 7

CAST-IN-PLACE

CONCRETE

CUT-OFF WALL.

SEE SHEET 7

TOE OF FILL, TYP.

CENTERLINE ROAD

NEW EDGE OF ROAD

REMOVE & DISPOSE

EXISTING 108"Ø

CORR. STEEL PIPE

SEE SHEET 3 FOR INVERT

POINT COORDINATE TABLE.

HYDRAULIC DATA:

DRAINAGE AREA= 2.11 SQ. MI.

Q2= 234 CFS

BANKFULL WIDTH= 22.5'

DEPTH= 3.4'

Q100= 759 CFS

DEPTH = 5.5'

HW/D = 0.62

NFSR 2050050 MP 0.82

105°43''

CLASS 3 RIPRAP,

DOWNSTREAM END

ONLY

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DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CULVERT REPLACEMENT CULVERT DETAILS

CRAIG RANGER DISTRICT

BM 8/2017

BM 8/2017

MJ 8/2017 6762_Craig 2050050-0.82_Design.dwg 6 9

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

14'-0" DIAMETER

14'-0" DIAMETER

GALVANIZED STEEL

STRUCTURAL PLATE PIPE

INVERT EL

LAYOUT PT.

TYPICAL CULVERT SECTION

NOT TO SCALE

NFSR 2050050 MP 0.82

CLASS 3

RIPRAP

2'-0"

'-0

FILL SLOPE NEW CULVERT

NOT TO SCALE

2' -0

'-0

DOWNSTREAM

END ONLY

RIPRAP DETAIL

ROCK EXCAVATION

WILL BE REQUIRED

TOO KEY RIPRAP

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FLOW

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CULVERT REPLACEMENT CUT-OFF WALL DETAILS

CRAIG RANGER DISTRICT

BM 8/2017

BM 8/2017

MJ 8/2017 6762_Craig 2050050-0.82_Design.dwg 7 9

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

12"

18" MIN.

SECTION

Not to Scale

3/4"Ø x 18" BENT ANCHOR

BOLT. (4" HOOK)

ATTACH BOLTS TO CULVERT @ 18"CC MAX.

SPACING W/ NUT & WASHER EA. SIDE

BEDDING MATERIAL IN

ACCORDANCE WITH

SECTION 209.09 &

SECTION 704.02.

CUTOFF WALL

MINIMUM HEIGHT

EXCAVATION LIMITS

EXISTING GROUND

6"

END OF NEW CULVERT

EXISTING GROUND

CAST-IN-

PLACE

CONCRETE

COMPACTED

GRAVEL

NEW CULVERT

LIMITS OF ROCK

EXCAVATION

ANCHOR BOLT, TYP.

18"

TYP.

TOP OF CONCRETE

CUT-OFF WALL ELEVATION

SCALE: 1" = 5'

NFSR 2050050 MP 0.82

C U

TO

FF

W

A

LL

M

IN

H

EI

G H T

18"

'-0

CULVERT BACKFILL.

SEE SHEET 8.

BOTTOM OF

NEW CULVERT

(4) #4 PLACED

AS SHOWN

#4 L-BAR @

24" MAX.

#4 L-BAR

12"

NOTE: REINFORCING STEEL IS INCIDENTAL

TO ITEM 60101. TOTAL WT. = 80 LBS.

(2) #4 x 5'-0" TYP.

(2) #4 x 13'-0"

#4 L-BAR (11 TOTAL)

3" CLR.

2'

TYP.

CAST-IN- PLACE CONCRETE

CUT-OFF WALL

PRESPLIT BLASTING WILL BE REQUIRED

AT THE CUT-OFF WALL. REMAINING

ROCK WILL BE REMOVED

MECHANICALLY.

ROCK EXCAVATION REQUIRED FOR

CUT-OFF WALL (QUANTITY IS INCLUDED

IN ITEM 20501)

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USDA FOREST SERVICE - TONGASS NF SH. ofREGION 10 -

DESIGNED: DATE:

DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CULVERT REPLACEMENT STRUCTURE EXCAVATION & BACKFILL

CRAIG RANGER DISTRICT

BM 8/2017

BM 8/2017

MJ 8/2017 6762_Craig 2050050-0.82_Design.dwg 8 9

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

SCALE IN FEET

30 0 30

EXISTING CORRUGATED

STEEL PIPE

APPROXIMATE CULVERT

EXCAVATION LIMITS

NEW CULVERT

PLAN

12"

BEDDING MATERIAL IN

ACCORDANCE WITH

SECTION 209.09 &

SECTION 704.02.

LOOSE OR LIGHTLY

COMPACTED BEDDING

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EXISTING

CULVERT

STRUCTURAL EXCAVATION & BACKFILL SECTION

NOT TO SCALE

EXISTING

GROUND

FINISHED GROUND

BACKFILL (704.03)

SEE "STRUCTURE BACKFILL

NOTES" ON THIS SHEET.CULVERT

BACKFILL

LIMIT

NFSR 2050050 MP 0.82

11' MIN.

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STRUCTURE EXCAVATION NOTES:

1. COMPLETE STRUCTURE EXCAVATION IN ACCORDANCE WITH FP-14 SECTION 208.

2. THE CONTRACTOR IS SOLELY RESPONSIBLE FOR EXCAVATION SUPPORT AND COMPLIANCE WITH ALL APPLICABLE OSHA REGULATIONS. DUE TO THE DEPTH OF EXCAVATION, THE MAXIMUM ALLOWABLE EXCAVATION SLOPING AND/OR BENCHING MUST BE DETERMINED BY A QUALIFIED PROFESSIONAL ENGINEER TO ENSURE OSHA COMPLIANCE. HIRING THE ENGINEER IS THE CONTRACTOR'S RESPONSIBILITY AND THE

COST IS INCIDENTAL TO ITEM 20806, STRUCTURE EXCAVATION.

3. NOTIFY THE CO IMMEDIATELY IF BEDROCK OR SOFT, UNSUITABLE SOILS ARE ENCOUNTERED.

STRUCTURE BACKFILL NOTES:

1. PLACE BACKFILL IN ACCORDANCE WITH FP-14 SECTION 209 WITH MATERIAL MEETING THE REQUIREMENTS

OF SECTION 704.03. SUITABLE MATERIAL SALVAGED FROM THE EXCAVATION MAY BE USED TO BACKFILL THE CULVERT. HAUL AND DISPOSE UNSUITABLE MATERIAL TO THE DESIGNATED WASTE SITE. HAUL AND DISPOSAL OF UNSUITABLE MATERIAL AND IMPORTING REPLACEMENT MATERIAL IS PAID WITH ITEMS 20805 & 20806.

2. BACKFILL LIMITS SHOWN HERE ARE THE MINIMUM REQUIREMENTS.

3. COMPACT BACKFILL MATERIAL IN ACCORDANCE WITH FP-14 SECTION 209.10.

DEWATERING AND SOIL EROSION CONTROL NOTES:

1. PROTECT AGAINST SOIL EROSION AND SEDIMENTATION DURING CONSTRUCTION IN ACCORDANCE WITH FP-14 SECTION 157 AND THE PROJECT PERMITS.

PREPARE AND SUBMIT A SOIL EROSION AND SEDIMENT CONTROL PLAN TO THE CO FOR APPROVAL.

2. DEWATER THE EXCAVATION IN ACCORDANCE WITH FP-14 SECTIONS 208 AND 157 AND THE REQUIREMENTS ON SHEET 9.

3. CONTRACTOR SHOULD ANTICIPATE WATER INFILTRATING THE EXCAVATIONS.

4. CULVERT EXCAVATION, RIPRAP AND ROCK WEIR PLACEMENT, AND BACKFILL ARE TO BE COMPLETED IN ACCORDANCE WITH THE CONTRACT SPECIFICATIONS.

STANDING OR RUNNING WATER IN THE WORK AREA DOES NOT RELIEVE THE CONTRACTOR FROM MEETING THE SPECIFICATIONS.

5. DEWATERING IS THE SOLE RESPONSIBILITY OF THE CONTRACTOR. DEVELOP AND SUBMIT TO THE CO A PROJECT-SPECIFIC DEWATERING AND SEDIMENT CONTROL PLAN WITH THE EXCAVATION PLAN FOR APPROVAL. SHEET 9 ILLUSTRATES THE GENERAL DEWATERING REQUIREMENTS AND POSSIBLE METHODS AND EQUIPMENT AND IS NOT CONSIDERED ADEQUATE OR COMPLETE FOR THIS PROJECT. DEVELOP AND SUBMIT A PROJECT-SPECIFIC DEWATERING PLAN INCLUDING DRAWINGS AND A WRITTEN OUTLINE ILLUSTRATING AND DESCRIBING PROPOSED LAYOUT, METHODS, AND EQUIPMENT. SEE SHEET 9 FOR DEWATERING FLOWS DURING CONSTRUCTION. APPROVAL OF THE CONTRACTOR'S DEWATERING PLAN DOES NOT RELIEVE THE CONTRACTOR FROM COMPLETING THE WORK AS REQUIRED. IF THE CONTRACTOR'S METHODS ARE NOT PRODUCING ADEQUATE RESULTS, THE CONTRACTOR MUST RE-EVALUATE AND SUBMIT ANOTHER DEWATERING PLAN. RE-SUBMITTAL OF THE DEWATERING PLAN, IF REQUIRED, IS INCIDENTAL TO THE WORK.

MATERIAL MEETING FP-14 SPECIFICATION

704.06 OUTSIDE OF THE CULVERT BACKFILL

LIMITS SHOWN. COMPACT MATERIAL ABOVE

THE CULVERT BACKFILL LIMITS PER FSSS

SECTION 204.11, PLACEMENT METHOD 1

LIMITS OF

EXCAVATION

PER OSHA. SEE

EXCAVATION

NOTE 2.

M

IN

BEDROCK (ESTIMATED)

MIN.

12"

ASSUMED ROCK EXCAVATION

(ITEM 20501)

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DATE:DRAWN:

REVIEWED: DATE:

DATE: REVISION: BY:

PLOT ON 11"X17" PAPERTNFTYP:09/04

CULVERT REPLACEMENT DEWATERING PLAN & REQUIREMENTS

CRAIG RANGER DISTRICT

BM 8/2017

BM 8/2017

MJ 8/2017 6762_Craig 2050050-0.82_Design.dwg 9 9

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

NFSR 2050050 MP 0.82

BYPASS DAM PROFILE VIEW

IMPERVIOUS MEMBRANE KEY

TRENCH, FILL WITH CLEAN

GRAVEL AS NEEDED

TO CONTROL SEEPAGE

UNDER IMPERVIOUS

MEMBRANE

ANCHOR IMPERVIOUS

MEMBRANE

(SANDBAGS, STONES,

ETC.)

IMPERVIOUS

MEMBRANE

SANDBAGS

BYPASS PIPE 18"

DIAMETER MINIMUM

STREAMBED

EXISTING

PIPE

PUMP

PUMP

TOP OF EXCAVATION

(ESTIMATED)

REMOVE SEDIMENT FROM PUMPED WATER

USING FILTRATION (E.G. "SILTBAGS"),

DISPERSION ONTO LANDSCAPE (E.G. USING

PERFORATED PIPE), SETTLING BASIN AND/OR

ADDITION OF FLOCCULATES. MODIFY AS

NEEDED TO MEET DOWNSTREAM TURBIDITY

REQUIREMENTS.TO DOWNSTREAM

ENERGY DISSIPATER

SANDBAG BY-PASS & "FEEDER"

DAMS LOCATION TO BE STAKED

BY CONTRACTOR AND APPROVED

BY THE CO

BY-PASS PUMP

USE FOR INSTALLING AND

REMOVING GRAVITY

BY-PASS DAMS AND

DIVERSIONS

CONSTRUCT BACKWATER DAM

TO PREVENT WATER FROM

ENTERING WORK AREA FROM

DOWNSTREAM

D/S Flo w

(No tur bidity)

ENERGY DISSIPATER AS

NEEDED TO PREVENT

TURBIDITY (E.G. PLASTIC

SHEETS, STONES). BY-PASS

DISCHARGE LOCATION TO BE

STAKED BY CONTRACTOR AND

APPROVED BY CO.

PUMP

STREAM BY-PASS PIPE.

DIAMETER AS SPECIFIED,

WATERTIGHT JOINTS, MINIMUM

GRADE 2% DOWNSTREAM.

PLAN

UPSTREAM SUMP PUMP

PLACE IN CUTOFF TRENCH

OR SUMP AT DEPTH NEEDED

TO DEWATER EXCAVATION

NEW

CULVERT

SEDIMATS- DETAILS & NUMBER

OF ROWS PER MANUFACTURER

ELBOW JOINTS

AS NEEDED, TYP.

EDGE OF EXITING

ROAD, TYP.

EDGE OF ACTIVE

CHANNEL, TYP.

BYPASS DAM ELEVATION VIEW

4' OVERFLOW

12"

MIN. VARIES

SANDBAGS

STREAMBED PIPE

AS

NEEDED

GEOTEXTILE-WRAPPED STRAW BALE

SEDIMENT CONTROL WEIR

SECTION VIEW PLAN VIEW

STREAM FLOW

GRANULAR

BACKFILL

SECTION

703.03(a)

STRAW BALES

GRANULAR BACKFILL

SECTION 703.03(a)

STRAW BALES

GEOTEXTILE

MIRAFI 140N

OR EQUAL

STREAM

FLOW

SANDBAG BYPASS DAM DETAILS

ANTI-SEEP COLLAR. PLACE

ANTI-SEEP COLLAR OVER

MEMBRANE & PIPE, THEN

CUT MEMBRANE TO ALLOW

WATER THROUGH PIPE.

6 MIL PLASTIC

SHEETING MINIMUM

BYPASS PIPE

DOWNSTREAM SUMP PUMP

PLACE IN CUTOFF TRENCH

OR SUMP AT DEPTH NEEDED

TO DEWATER EXCAVATION

NOTES:

1. DESIGN DEWATERING FLOW FOR CONSTRUCTION IS 70 CFS.

2. THE PLAN SHOWN HERE IS INTENDED TO REPRESENT THE

GENERAL DEWATERING REQUIREMENTS AND NOT APPLICABLE TO

A SPECIFIC SITE. SUBMIT A PLAN SPECIFIC TO THE SITE.

3. CONTRACTOR TO DETERMINE THE SIZE OF THE BYPASS PIPE

BASED ON THE SPECIFIED FLOW.

4. ENSURE THAT THE BYPASS PIPE AND DAM ARE LEAK-PROOF. DO

NOT PROCEED WITH CONSTRUCTION UNTIL THE IMPLEMENTED

DEWATERING PLAN HAS BEEN INSPECTED AND ACCEPTED BY THE

CO IN WRITING.

5. ENSURE PUMPS ARE BE CLEAN AND FREE OF LEAKS AND PLACED

IN A CONTAINMENT KIT.

6. EXCAVATE DRAW DOWN POOL FOR SUMPS A MINIMUM OF 2

FEET BELOW THE BOTTOM OF THE EXCAVATION AND A MINIMUM

OF 5 FEET IN DIAMETER.

7. MAINTAIN ALL ELEMENTS OF THE OPERATION IN ORDER TO

DEWATER THE FOUNDATION, FACILITATE CONSTRUCTION,

PREVENT HARM TO AQUATIC ORGANISMS (NOT JUST FISH) AND

PREVENT SEDIMENT AND TURBIDITY FROM ENTERING THE

STREAM. CONSTRUCT THE DEWATERING SYSTEM IN A MANNER

WHICH ENABLES USFS BIOLOGISTS TO COLLECT AND

TRANSPORT ORGANISMS FROM THE LIVE CHANNEL, JUST BEFORE

COMPLETION OF THE DIVERSION DAM.

8. OPERATE PUMPS (PREFERABLY ELECTRIC) DOWNSTREAM OF THE

BYPASS DAM IF THE DAM DOES NOT SEAL THOROUGHLY.

MAINTAIN A PUMP RUNNING 24 HOURS A DAY IN THE

DOWNSTREAM SEDIMENT RETENTION DAM TO DIVERT WATER

CONTAINING SEDIMENT TO THE FOREST FLOOR WHERE IT WILL BE

FILTERED BEFORE ENTERING BACK INTO THE STREAM. LEAVE

PUMPS IN POSITION ON SITE EVEN IF WATER DISCHARGE DROPS

CONSIDERABLY, TO BE PREPARED FOR STORM FLOWS.

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31+50.00

32+00.00

-40 -20 0 20

-40 -20 0 20 40 60

EXISTING GROUND, TYP.

8' 8'

1.25H:1V

TYP. TYP.

MAINTAIN

EXISTING

TURNOUT

1.25H:1V

10H:1V

10'

APPROXIMATE

EXCAVATION LINE

MATCH EXISTING

CROSS-SLOPE

NFSR 2050050 MP 0.82

ROAD CROSS SECTIONS

CULVERT REPLACEMENT

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

AutoCAD SHX Text

PREPARED BY :

SHEET XS1 OF XS3

32+60.00

-40 -20 0 20 40

EXISTING GROUND, TYP.

8' 8'

-2.0% -2.0%

1.25H:1V

APPROXIMATE

EXCAVATION LINE1.25H:1V

32+24.04

-60 -40 -20 0 20 40 60

-2.0% -2.0%

1.25H:1V

1.25H:1V

APPROXIMATE

EXCAVATION LINE

NFSR 2050050 MP 0.82

ROAD CROSS SECTIONS

CULVERT REPLACEMENT

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

AutoCAD SHX Text

PREPARED BY :

SHEET XS2 OF XS3

32+60.00

32+89.54

-20 0 20

8' 11.4'

33+20.00

-20 0 20

8' 14'

MATCH EXISTING

CROSS-SLOPE

NFSR 2050050 MP 0.82

ROAD CROSS SECTIONS

CULVERT REPLACEMENT

CONSULTING ENGINEERS & LAND SURVEYORS

3203 Russell Street, Missoula, Montana 59801-8591 Phone 406/721-4320 Fax 406/549-6371

A& , P.C.DJ

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PREPARED BY :

SHEET XS3 OF XS3