3. Project Drawings.pdf

FOREST LOCATION MAP

PROJECT LOCATION MAP

TRAVEL DIRECTIONS:

SHEET OF

United States Department of Agriculture

Forest Service

GAOA AAP # 573624 FERN FALLS

Fern Fall trail bridge is on the Fern Falls Trail (12E41).from the town of Graeagle drive north on highway 89 for 1.4 miles and take a right on FS highway 24 county road 519 Gold Lake Highway and drive for 6.22 miles just passed Lily lake. On the right hand side there is a parking lot. Follow the trail head for about 150yards and you will be on the trail bridge.

TRAIL BRIDGE REPLACEMENT

RECOMMENDED BY: FOREST ENGINEER

DATE

DATE

APPROVED: DIRECTOR OF ENGINEERING

DATE

APPROVED: DISTRICT RANGER

DATE

DATE

3/7 /23

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CALIFORNIA

PLUMAS COUNTY

R05 PACIFIC SOUTHWEST

PLUMAS NATIONAL FOREST

BECKWOURTH RANGER DISTRCT

INDEX OF SHEETS

SHEET

SHEET TITLE DATE

1 COVERSHEET 3/7/23

2 LOCATION MAP 3/7/2023

3 SCHEDULE OF ITEMS AND NOTES 3/7/2023

4 EXISTING CONDITIONS 3/7/2023

5 CLEARING AND GRUBBING 3/7/2023

6 TRAIL BRIDGE TYPICAL 3/7/2023

7 CONCRETE LEVELING PAD STD 3/7/2023

8 ALIGNMENT 3/7/2023

RECOMMENDED BY : REGIONAL BRIDGE ENGINEERING

DRAWING NUMBER R-1706

Trail Bridge Coordinates 39°42'4I.0l"N 120°39'50.56"W

APPROVED: FOREST SUPERVISOR

PROJECT GAOA FERN FALLS TRAIL BRIDGE REPLACEMENT AAP # 573624

UNIT PLUMAS NATIONAL FOREST

SOL. #

ITEM NO. DESCRIPTION UNIT QUANTITY

15101 Mobilization LS 1 15204 Construction Surveying and Staking LS 1 15713 Soil Erosion and Pollution Control & Dewatering LS 1 20102 Clearing and Grubbing LS 1 20801 Structural Excavation LS 1 20803 Structural Backfill LS 1 55703 4"x6" posts LF 90 55601 2"X8" S4S clear heart Redwood rail caps LF 90 55703 Glulam Diaphrams LF 16 55703 2"X8" Running planks LF 75 55703 4"x8" Planks LF 170 55703 2"X6" S4S Rail LF 160 55703 12"x12" Sill LF 10 55705 5-1/8"x16-1/2"Treated Structural Timber, Glued Laminated (two- 25') LF 50 55707 Hardware LS 1 62501 Seeding Dry Method ACRE 1 62507 Mulching, hand spread, Straw Bales, Certified Weed Free EA 5

6105.88

POINT EASTING

CPl 5000

RPl 5023.229

RP2 4982.528

CP2 4996.473

6101.04

TR

NORTHING

997.757

961.867

1084.335

ELEVATION

6100.787

6105.876

6101.205 trail to parking lot

6101.20

CP2

United States Department of Agriculture Forest Service

{ROS)

PACIFIC SOUTHWEST

PROJECT NAME

GAOA AAP#573624

FERN FALLS TRAIL

BRIDGE REPLACEMENT

PLUMAS NATIONAL

FOREST

BECKWOURTH RANGER

DISTRICT

DRAWING TITLE

EXISTING CONDITIONS

DATE

03/07/2023

ARCHIVE NO.

FS090523_R102013_L 1-002.dwg

DESIGNER DWG SHEET NO.

D. PEREIRA

DRAWN X-04

F.RICO

CHECKED

H. DODINI

SHEET 004 OF 08

PROJECT NO.

DRAWING NUMBER

R-1706

6-5/8" MINIMUM

ANCHOR BOLT

EMBEDMENT. EPOXY

BOLT TO (E) ABUTMENT

WITH HILTI HVU2 OR

EQUIVALENT EPOXY.

3" MINIMUM

CONCRET

LEVELING PAD

ABUTMENT

Ii.

EXTERIOR FACE OF OUTSIDE

GLULAM STRINGER,TYP

13/16"¢ HOLE IN SILL

FOR 3/4"¢ THREADED

ROD. ROD TO BE PLACED

6" INSIDE THE INSIDE

FACE OF THE GLULAMS

THE 12"X 12" SILL SHALL BE 4 FEET 2 INCHES LONG

TO FIT THE WIDTH OF THE EXISTING ABUTMENT

CONCRETE

LEVELING PAD

ABUTMENT

Ii.

" MINIMUM - 6" MAXIMUM

CONCRETE LEVELING PAD

INSTALL PER HILTI t---"""-"'r"-"ti:r-"""Tt-,-,llr:':7r-

REPAIR LOSE/

MISSING MORTAR

,_ _____ OUT-TO-OUT WIDTH OF STRINGERS/SLABS. ______ _. (EXTERIOR FACE TO EXTERIOR FACE)

HILTI HVU2 OR

EQUIVALENT ADHESIVE

ANCHOR W/3/4"¢

THREADED ROD IN 13/16"¢

DRILLED HOLE

1'-6" MINIMUM

OUT-TO-OUT

CONCRETE

LEVELING PAD 12"

,_ ___________ ___,ouT�fCouT ____________ _.

ELEVATION SECTION C-C

EXISTING CONCRETE LEVELING PAD AND SILL ON CE/ROCK ABUTMENT FOUNDATION

MALLEABLE IRON

WASHER

LENGT VARIES

3/4"¢ STANDARD

THREA ED ROD

ELEVATION

ANCHOR BOLT DETAIL

FASTEN DECK PLANK TO TOP OF BACKING PLANK USE

7" RINGSHANK NAILS ON 12" CENTERS

TOP OF DECK PLANKS

BEARING SHOE

13/16"¢ HOLE IN SILL

FOR 3/4"¢ THREADED

---'8D

FASTEN EACH BACKING

PLANK TO EACH

STRINGER USING (3)-7"

RING SHANK NAILS

�--- 3" DIMENSIONAL

¾" BOLT & NUT

W/(2)-MALLEABLE IRON

WASHERS

EXISTING LEVELING PAD

FOUNDATION

BACKING PLANKS

(2)-3/4"X10" LAG

SCREW AT EACH

BEARING SHOE

TIMBER SILL

* TIMBER SILL TO BE 12"Xl2" SOLID SAWN TREATED MEMBERS .

½" STEEL PLATE

FOUNDATION NOTES:

STRINGER

WIDT

r 0

PLUS I(

½" STEEL PLATE

i\"¢ HOLES, 2 STRINGER

PLACES '

½ "x5"x7"

ELASTOMERIC PAD

(TYP) (50 DUROMETER

HARDNESS)

END VIEW

s TRINGER

TH MINUS WID

l"

1" SLOT

SIDE VIEW

SPECIFICATIONS: MATERIALS AND CONSTRUCTION OF THIS STRUCTURE SHALL BE IN ACCORDANCE WITH THE STANDARD SPECIFICATION FOR CONSTRUCTION OF ROADS AND BRIDGES ON FEDERAL HIGHWAY PROJECTS (FP-14) AND STANDARD

SPECIFICATIONS FOR CONSTRUCTION OF TRAILS AND TRAIL BRIDGES ON FEDERAL PROJECTS,

HARDWARE AND STRUCTURAL STEEL: SEE SUPERSTRUCTURE DRAWINGS FOR PROJECT DESIGN CRITERIA AND GENERAL NOTES.

ANCHOR BOLTS FOR SILLS WILL BE DRILLED DOWN WITHIN THE EXISTING ABUTMENT AS SHOWN AT LEAST 6f' DEEP AND EPOXIED IN

AS SHOWN. INSTALL.

TREATED TIMBER & LUMBER: REFER TO THE GENERAL NOTES ON THE SUPERSTRUCTURE DRAWINGS FOR TREATED TIMBER & LUMBER

SPECIFICATIONS AND FIELD TREATING OF WOOD.

CONCRETE: USE STRUCTURAL CONCRETE WITH 5 SACK MINIMUM MIX APPROVED BY CO., CONCRETE SHALL RECEIVE A TOWELED SURFACE FINISH. CONCRETE SHALL HAVE 4%-6% ENTRAINED AIR. MAXIMUM SIZE AGGREGATE SHALL BE 3/4-INCH AND CONCRETE

SLUMP SHALL NOT EXCEED 4-INCH

LAG SCREW INSTALLATION: PRE-BORE LAG SCREW HOLES USING TWO DIAMETERS, ONE FOR THE SHANK AND ONE FOR THE THREADS.

THE LEAD HOLE FOR THE SHANK IS TO BE 1/16-INCH LAGER THAN THE SHANK DIAMETER AND IS TO BE BORED TO THE DEPTH OF PENETRATION OF THE SHANK . THE LEAD HOLE FOR THE THREADED PORTION IS TO BE 7D PERCENT OF BOLT DIAMETER AS SHOWN ON THE PLANS AND IS TO BE BORED AT LEAST TO THE LENGTH OF THE THREADS. DO NOT DRIVE LAG SCREWS WITH HAMMER.

United States Department of Agriculture Forest Service

(ROS)

PACIFIC SOUTHWEST

PROJECT NAME

GAOA AAP#573624

FERN FALLS TRAIL

BRIDGE REPLACEMENT

PLUMAS NATIONAL

FOREST

BECKWOURTH RANGER

DISTRICT

DRAWING TITLE

CONCRETE LEVELING

PAD STANDARD DWG

DATE

03/13/2023

ARCHIVE NO.

FS090523_R102013_L 1-002.dwg

DESIGNER

D.PEREIRA

DRAWN

F.RICO

CHECKED

H.DODINI

PROJECT NO.

DWG SHEET NO.

X-07

SHEET 07 OF 08

�-CL 4"

X

6" POST

Alignment center existing trail bridge profile

0+20 0+32 0+45 0+5?

�l\

3-X-10_X_4_'-�2-" -RO-UG-H=-�---�6l�05

�-------.-----......-----------.----E-N_D_W---..---, ALLPLANK

�,--------1---------i----i---------iU

C 0

(E) ABUTMENT

(N) LEVELING PAD,TYP.

61+00

60+95

L___------------------------60+90

USDA ◄'roREST SERV1c;>

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United States Department of Agriculture Forest Service

{ROS)

PACIFIC SOUTHWEST

PROJECT NAME

GAOA AAP#573624

FERN FALLS TRAIL

BRIDGE REPLACEMENT

PLUMAS NATIONAL

FOREST

BECKWOURTH RANGER

DISTRICT

DRAWING TITLE

ALIGNMENT

DATE

03/07/2023

ARCHIVE NO.

FS090523_R102013_L 1-002.dwg

DESIGNER DWG SHEET NO.

D. PEREIRA

DRAWN X-08

F.RICO

CHECKED

H. DODINI

II------ SHEET 008 OF 08

PROJECT NO.