RFQ_-_Attachment__4_Windfall_Trail_Bridge_Plans.pdf
PDF 30 MB Posted
- Attached to
- Replacement of Trail Bridge at Windfall Lake Federal contract opportunity
- Solicitation number
- 12010919Q0100
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| File | Type | Posted |
|---|---|---|
| RFQ_-_Attachment__3_Forest_Service_Supplemental_Specifications.pdf | ||
| RFQ_-_Attachment__1_Section_C_-_SOW-Specifications.pdf | ||
| 12010919Q0100_RFQ.pdf | ||
| RFQ_-_Attachment__2_Wage_Determination.pdf |
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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
CONSULTING ENGINEERS & LAND SURVEYORS
3203 Russell Street, Missoula, Montana 59801-8591
Phone 406/721-4320 Fax 406/549-6371
A& , P.C.DJ
WINDFALL LAKE TRAIL BRIDGE REPLACEMENTS TITLE SHEET
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 WINDFALL Cover.dwg 1 24
APPROVED
RECOMMENDED
DIRECTOR OF ENGINEERING DATE
REGION 10 STRUCTURAL ENGINEER DATE
RECOMMENDED
FOREST ENGINEER DATE
WINDFALL LAKE TRAIL
BRIDGE REPLACEMENTS
U.S. DEPARTMENT OF AGRICULTURE
FOREST SERVICE, REGION 10
JUNEAU 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
DESCRIPTION
TITLE SHEET1
NO.
MP 2.286 BRIDGE CRIB STEP DETAILS
VICINITY MAP
GULF OF ALASKA
RECOMMENDED
FOREST SUPERVISOR
DATE
5 MP 1.119 BRIDGE GENERAL LAYOUT
MP 2.286 BRIDGE TRAIL PLAN & PROFILE
MP 1.119
BRIDGE
MP 2.286
BRIDGE
JUNEAU
7-8
9 MP 1.119 ABUTMENT DETAILS
RECOMMENDED
DATE
ESTIMATED QUANTITIES & GENERAL NOTES
MP 1.119 BRIDGE DEMOLITION PLAN
MP 1.119 BRIDGE FOUNDATION PLAN & DETAILS
MP 1.119 BRIDGE STRUCTURE EXCAVATION6
MP 2.286 BRIDGE DEMOLITION PLAN
3 SURVEY AND STAKING
RECREATION STAFF OFFICER
RECOMMENDED
DIRECTOR OF RECREATION DATE
20-21BRIDGE SUPERSTRUCTURE DETAILS
22-24 BRIDGE HANDRAIL DETAILS
MP 2.286 BRIDGE ABUTMENT DETAILS
MP 2.286 BRIDGE FOUNDATION PLAN & DETAILS
MP 2.286 BRIDGE STRUCTURE EXCAVATION
15-16 17-18
MP 2.286 BRIDGE CRIB STEP DETAILS19
EXISTING BRIDGE DRAWINGS (2 SHEETS)
MP 2.286 BRIDGE GENERAL LAYOUT
DISTRICT RANGER
RECOMMENDED
DATE
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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
WINDFALL TRAIL BRIDGE REPLACEMENT ESTIMATED QUANTITIES & GENERAL NOTES
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 WINDFALL Quantities & Notes.dwg 2 24
SUMMARY OF ESTIMATED QUANTITIES
ITEM NO. ITEM DESCRIPTION
MEASUREMENT MP 1.119
BRIDGE
MP 2.286
BRIDGE TOTAL
METHOD UNIT
15101 MOBILIZATION LSQ LUMP SUM ALL ALL ALL
15713 SOIL EROSION & POLLUTION CONTROL LSQ LUMP SUM ALL ALL ALL
20304 REMOVAL OF EXISTING BRIDGE AQ EACH 1 1 2
20702 STABILIZATION GEOGRID CQ SQUARE FOOT 372 186 558
20806 STRUCTURE EXCAVATION & BACKFILL LSQ LUMP SUM ALL ALL ALL
21001 TRAIL EXCAVATION & EMBANKMENT LSQ LUMP SUM ALL ALL ALL
30207 CRUSHED AGGREGATE SURFACING CQ CUBIC YARD 1 2 3
55601 STEEL CABLE BRIDGE HANDRAIL AQ LINEAR FOOT 180 160 340
55705A STRUCTURAL TIMBER AND LUMBER, TREATED DOUGLAS FIR-LARCH CQ MFBM 2.98 4.33 7.31
55705B STRUCTURAL TIMBER AND LUMBER, UNTREATED ALASKA YELLOW CEDARCQ MFBM 0.18 0.23 0.41
55706 STRUCTURAL TIMBER AND LUMBER, GLUE LAMINATED, TREATED CQ MFBM 1.46 1.92 3.38
57101 STRUCTURAL STEEL OPEN WEB JOISTS, FURNISHED, FABRICATED, DELIVERED
AND FIELD ASSEMBLED AQ EACH 4 4 8
57102 DELIVER STEEL BRIDGE STRINGERS WITH SKYCRANE (INCLUDES MOB FROM
KETCHIKAN) HR HOUR 8 8 16
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 (FSSS).
DISPOSAL: UNLESS OTHERWISE NOTED IN THE DRAWINGS, 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.
LEAD PAINT: THE STRINGERS ON THE EXISTING BRIDGES WERE ORIGINALLY PAINTED WITH A LEAD-BASED PAINT. FOLLOW ALL LOCAL, STATE AND FEDERALS LAWS FOR THE REMOVAL AND DISPOSAL OF ALL LEAD
PAINTED MEMBERS.
OPEN WEB STEEL JOIST STRINGERS: USE STEEL MATERIAL AS SPECIFIED BY THE MANUFACTURER. AFTER FABRICATION, PREPARE ALL STEEL JOIST MEMBER AND DIAPHRAGM SURFACES IN ACCORDANCE WITH FP-14 SECTION 563.08 AND APPLY PAINT SYSTEM 1 FOR AGGRESSIVE ENVIRONMENTS IN ACCORDANCE WITH FP-14 TABLE 563-1. USE DARK GRAY (FEDERAL STANDARD COLOR #26008) TOP COAT TO MATCH THE COLOR OF GALVANIZED STEEL. PROVIDE 1 GALLON OF TOP COAT PAINT TO THE CO FOR FUTURE TOUCH-UP WORK. PAINTING IS NOT PAID SEPARATELY BUT SHOULD BE INCLUDED IN ITEM 55502. USE HIGH
STRENGTH BOLTS FOR ALL CONNECTIONS MEETING THE REQUIREMENTS OF ASTM F3215.
MISC. STRUCTURAL STEEL: USE SHAPES, PLATES AND BARS CONFORMING TO AASHTO M183, GRADE 36 (ASTM A36/50) AND GALVANIZE IN ACCORDANCE WITH AASHTO M111 (ASTM A123). USE HARDWARE
MEETING THE REQUIREMENTS OF ASTM A307 EXCEPT AS NOTED.
GENERAL NOTES
UNTREATED TIMBER MEMBERS: FURNISH FULL SAWN TIMBER HANDRAILS OF ALASKA YELLOW CEDAR, NO. 2 GRADE OR BETTER.
GLUED LAMINATED MEMBERS: FURNISH GLUED LAMINATED MEMBERS (ABUTMENT SILLS, BACKWALLS AND BEARING BLOCKS) CONFORMING TO THE CURRENT NATIONAL DESIGN SPECIFICATIONS FOR WOOD CONSTRUCTION (NDS), COMBINATION SYMBOL 3, 4 OR 5 AS SPECIFIED IN NDS TABLE 5B. FABRICATE MEMBERS FOR INDUSTRIAL APPEARANCE USING RESORCINOL GLUES.
TIMBER TREATMENT: AFTER FABRICATION, INCISE AND PRESSURE TREAT SPECIFIED TIMBER MEMBERS IN CONFORMANCE WITH AWPA
U1 USING PENTACHLOROPHENOL (PCP) AS FOLLOWS:
MEMBERS USE CATEGORY TREATMENT
DECKING, CURBS & FLOOR BEAMS UC3B (ABOVE GROUND, EXPOSED) PCP-C (LIGHT OIL)
CRIB BEAMS & NAILERS UC4B (GROUND CONTACT, HEAVY DUTY)PCP-C (LIGHT OIL)
ABUTMENT SILLS, BACKWALLS & BEARING BLOCKSUC4B (GROUND CONTACT, HEAVY DUTY)PCP-A (HEAVY OIL)
FOLLOW WWPI'S "BEST MANAGEMENT PRACTICES FOR THE USE OF TREATED WOOD IN AQUATIC ENVIRONMENTS."
FIELD TREATMENT: TREAT ANY FIELD DRILLED HOLES, FIELD CUT OR DAMAGED MEMBERS WITH THREE BRUSH COATS OF A 2% SOLUTION OF COPPER NAPHTHENATE. POUR OR SPRAY THE FIELD TREATMENT INTO ANY FIELD-DRILLED HOLES OR NAIL HOLES PRIOR
TO INSERTING THE FASTENERS.
TIMBER INSPECTION AND CERTIFICATION: CONTACT USFS PERSONNEL AT LEAST FIVE (5) DAYS PRIOR TO SHIPPING AND MAKE ALL TIMBER MEMBERS AVAILABLE FOR INSPECTION. FURNISH THE FOLLOWING COMPLIANCE CERTIFICATES UPON DELIVERY:
A. SUPPLIER CERTIFICATION, FROM A WWPA OR WCLIB APPROVED SUPPLIER, THAT ALL WOOD MATERIALS MEET THE REQUIREMENTS
AS TO SPECIES AND GRADE.
B. CERTIFICATION OF PRESERVATIVE, PENETRATION IN INCHES, AND RETENTION IN POUNDS PER CUBIC FOOT (ASSAY METHOD) BY EITHER A QUALIFIED TESTING AND INSPECTION AGENCY OR SUPPLIER CERTIFICATION. SUPPLIER CERTIFICATION REQUIRES EACH
SOLID PIECE TO BE STAMPED OR BRANDED WITH THE ALSC QUALITY MARK.
C. CERTIFICATION FROM A QUALIFIED INSPECTION AND TESTING AGENCY INDICATING CONFORMANCE OF ALL GLUE LAMINATED
MEMBERS WITH AITC 117-93.
D. SUPPLIER CERTIFICATION THAT ALL TREATED WOOD MATERIALS WERE TREATED IN CONFORMANCE WITH AND MEET THE REQUIREMENTS OF WWPI'S BEST MANAGEMENT PRACTICES FOR THE USE OF TREATED WOOD IN AQUATIC ENVIRONMENTS
DESIGN NOTES
STRUCTURE DESIGN: DESIGN IN ACCORDANCE WITH AASHTO LRFD GUIDE
SPECIFICATIONS FOR THE DESIGN OF PEDESTRIAN BRIDGES, 2ND EDITION WITH
CURRENT INTERIMS AND AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS, 7TH EDITION,
WITH CURRENT INTERIMS.
HYDRAULIC DESIGN: THE BRIDGES ARE DESIGNED TO PASS THE ANNUAL PEAK FLOW
HAVING A 100-YEAR RECURRENCE INTERVAL (Q100) WITH A MINIMUM 3 FEET OF
FREEBOARD.
DEAD LOAD: USE THE FOLLOWING: CONCRETE @ 150 PCF, STEEL @ 490 PCF, WOOD
@ 50 PCF, EARTH @ 120 PCF.
LIVE LOAD: UNIFORM PEDESTRIAN LOADING @ 90 PSF, ALTERNATE USFS ATV WITH
TRAILER LIVE LOAD (AXLE LOADS OF 325 LB - 50" SPA - 415 LB - 50" SPA - 250 LB).
SNOW LOAD: SNOW @ 183 PSF.
WIND LOAD: WIND LOAD PER AASHTO LRFD SPECIFICATIONS FOR STRUCTURAL
SUPPORTS FOR HIGHWAY SIGNS, LUMINAIRES, AND TRAFFIC SIGNALS, 1ST EDITION
WITH CURRENT INTERIMS.
EARTH: ASSUME THE FOLLOWING: LATERAL SOIL PRESSURE = 50 PCF EQUIVALENT
FLUID PRESSURE. FRICTION FACTOR OF 0.45 (CONCRETE AGAINST SOIL).
FOUNDATION: A FOUNDATION INVESTIGATION WAS NOT CONDUCTED AT THE SITES.
ASSUMED ALLOWABLE SOIL BEARING PRESSURE = 3000 PSF.
LOAD COMBINATIONS: LOADS ARE FACTORED AND COMBINED IN ACCORDANCE WITH
USFS HANDBOOK FSH 7709.56B, CHAPTER 80.
HANDRAIL CABLE: CABLE FOR RAILING AND LIFELINE IS GALVANIZED 1X7 WIRE ROPE CONFORMING TO ASTM A475 (MINIMUM BREAKING STRENGTH = 15,400 LBS). NO SPLICES WILL BE ALLOWED IN THE CABLE.
WELDING: WELD IN ACCORDANCE WITH THE BRIDGE WELDING CODE, AWS D1.5. A CERTIFIED WELDER IS
REQUIRED.
TREATED TIMBER MEMBERS: FURNISH FULL SAWN TIMBER DECKING AND FLOOR BEAMS OF COASTAL DOUGLAS FIR-LARCH, NO. 1 OR BETTER GRADE, AS SPECIFIED IN THE WWPA GRADING RULES.
FOR ALL OTHER TIMBER MEMBERS, FURNISH FULL SAWN TIMBER OF COASTAL DOUGLAS FIR-LARCH, NO. 2
OR BETTER GRADE, AS SPECIFIED IN THE WWPA GRADING RULES.
1 ITEM 55601 INCLUDES ALL STEEL PIECES, CABLE AND HARDWARE FOR HANDRAIL. TIMBER TOP RAIL IS INCLUDED IN ITEM 55705B.
DISREGARD mp 1.119 INFORMATION
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CONTROL POINT TABLE
POINT #
CP-1
CP-2
CP-3
CP-5
NORTHING
10027.18
9999.98
9934.38
9926.37
EASTING
9952.87
9999.98
10044.65
9904.77
ELEVATION
400.86
400.00
399.80
403.83
DESCRIPTION
SET-RPC
SET-RPC
SET-BPC
SET-BPC
CENTERLINE POINTS
POINT #
NORTHING
9926.2215
9930.3189
9989.8334
9996.4728
10003.1389
10010.0425
EASTING
9904.4906
9914.1939
9980.7441
9988.1684
9995.6225
10002.8450
ELEVATION
403.86
404.04
401.81
401.56
400.87
400.18
DESCRIPTION
STA 1+60
STA 1+70.76 CL BRG ABUT 1
STA 2+60.04 CL BRG ABUT 2
STA 2+70
STA 2+80
STA 2+90
CONTROL POINT TABLE
POINT #
CP-11
CP-12
CP-13
NORTHING
9923.25
10000.00
10035.02
EASTING
9955.69
10000.00
10071.59
ELEVATION
395.58
400.00
392.72
DESCRIPTION
SET-RPC
SET-RPC
SET-BPC
CENTERLINE POINTS
POINT #
NORTHING
9970.1153
9980.7256
9988.2328
9993.4121
9993.7752
9990.6639
9989.6438
9957.0612
9954.4501
9946.4084
9936.6227
EASTING
9977.0776
9984.9907
9982.0944
9982.4389
9988.3830
9995.2731
9997.5323
10069.6880
10075.4099
10080.6321
10078.7708
ELEVATION
395.55
396.71
399.62
399.82
400.05
404.30
404.30
404.30
404.03
403.52
403.01
DESCRIPTION
STA 5+30
STA 5+44.40
STA 5+52.45
STA 5+58
STA 5+64.50
STA 5+72.06
STA 5+74.54 CL BRG ABUT 1
STA 6+53.71 CL BRG ABUT 2
STA 6+60
STA 6+70
STA 6+80
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
WINDFALL TRAIL BRIDGE REPLACEMENT SURVEY & STAKING
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 WINDFALL Quantities & Notes.dwg 3 24
MP 1.119 BRIDGE POINTS MP 2.286 BRIDGE POINTS
SET-RPC = DJ&A CONTROL POINT - REBAR W/ RED PLASTIC CAP
SET-BPC = DJ&A CONTROL POINT - REBAR W/ BLUE PLASTIC CAP
SEE SHEET 5 FOR LOCATION OF CONTROL POINTS.
CENTERLINE POINTS ARE TRAIL FINISHED GRADE.
CENTERLINE POINTS ARE TRAIL FINISHED GRADE.
SET-RPC = DJ&A CONTROL POINT - REBAR W/ RED PLASTIC CAP
SET-BPC = DJ&A CONTROL POINT - REBAR W/ BLUE PLASTIC CAP
SEE SHEET 11 FOR LOCATION OF CONTROL POINTS.
NIC
NIC
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5 3
0 3
0 3
CP-1
CP-4
CP-5
CP-2
EXISTING BRIDGE PLAN
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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 1.119 BRIDGE DEMOLITION PLAN
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 1.119 Bridge.dwg 4 24
SCALE IN FEET
20 0 20 40
MP 1.119
EXISTING BRIDGE ELEVATION
SCALE: 1" = 20'
EXISTING ABUTMENT
TIE-BACK CABLE (TO
BE REMOVED)
EDGE OF
EXISTING
TRAIL
H
ER
B
ER
T
R
IV
ER
EXISTING BRIDGE
(TO BE REMOVED)
APPROXIMATE
EXISTING GROUND AT
CENTERLINE TRAIL
ABUTMENT 2 GABIONS
CUT WIRE BASKETS AND
REMOVE FROM SITE. ROCK
FILL MAY BE SPREAD ALONG
THE CHANNEL BANKS.
73'± EXISTING BRIDGE LENGTH
(TO BE REMOVED)
ABUTMENT 2
(TO BE REMOVED)
ABUTMENT 1
(TO BE REMOVED)
EXISTING BRIDGE
LOOKING DOWNSTREAM
ABUTMENT 2 IS A VERTICAL
TREATMENT TIMBER WALL
ABUTMENT ON GABION
BASKET AND LOG CRIB
WALLS (TO BE REMOVED)
ABUTMENT 1
IS A VERTICAL
TREATMENT
TIMBER WALL
ABUTMENT ON
ROCK (TO BE
REMOVED)
EXISTING BRIDGE IS MADE OF (4) PAINTED
STEEL TRUSS GIRDERS WITH TREATED
TIMBER DECK MEMBERS. EXISTING
BRIDGE PLANS ARE PROVIDED FOR
INFORMATION ONLY.
UPSTREAM SIDEDOWNSTREAM SIDE
ABUT. 2 LOG CRIB WALLS
NOTE: LEAVE LOG CRIB WALLS IN PLACE WHERE
THEIR REMOVAL IS NOT NECESSARY TO REMOVE
THE GABIONS OR COMPLETE THE ABUTMENT
EXCAVATION AND CONSTRUCTION. REMOVE
ALL LOGS FROM THE SITE FROM CRIB WALLS
THAT ARE DISTURBED DURING CONSTRUCTION
ACTIVITIES.
LOG CRIB WALLS
DOWNSTREAM SIDE
LOG CRIB WALLS
(LEAVE IN PLACE)
LOG CRIB WALLS
(LEAVE IN PLACE)
GABIONS (TO
BE REMOVED)
REMOVE & DISPOSE
EXISTING GABIONS.
ABUTMENT 2
NOT IN CONTRACT
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1+60 1+80 2+00 2+20 2+40 2+60 2+80
3+00
5 3
0 3
0 3
CP-1
CP-4
CP-5
CP-2
1+20 2+00 3+00
S
TA
.0
EL
.8
S
TA
.0
EL
.1
S
TA
.0
EL
.5
STA:1+70.76
ELEV:404.04
STA:2+60.04
ELEV:401.81
-6.90% 2.00% -2.50%
PLAN
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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 1.119 BRIDGE GENERAL LAYOUT
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 1.119 Bridge.dwg 5 24
SCALE IN FEET
20 0 20 40
MP 1.119
PROFILE
SCALE: 1" = 20'
EXISTING ABUTMENT
TIE-BACK CABLE
EXISTING TREE, TYP.
EDGE OF
EXISTING
TRAIL
H
ER
B
ER
T
RI
V
ER
10'
CENTERLINE TRAIL
FINISHED GRADE
APPROXIMATE EXISTING
GROUND AT CENTERLINE TRAIL
89.28' CENTERLINE BRG. TO CENTERLINE BRG. (HORIZONTAL)
CENTERLINE TRAIL
EXISTING GABIONS
(REMOVE & DISPOSE)
TIMBER SILL ABUTMENT
WITH BACKWALL, TYP.
BRIDGE TYPICAL SECTION
SCALE: 3/8" = 1'-0"
5'-2"±
'-6
GALV. STEEL
ANGLE POST &
BRACE @ 5'-0"
6"x6" TREATED TIMBER CURB ON 3"x6"
TREATED TIMBER
CURB RISER
3"x12" TREATED
TIMBER DECKING
4"x6" TIMBER DECK
BEAMS SPA. @ 2'-6"
OPEN WEB STEEL JOIST
48LH14, TYP.
18"
TYP.
6.5'
EL 390.6
FREEBOARD
100-YEAR (1% ANNUAL EXCEEDANCE
PROBABILITY) WATER SURFACE ELEVATION.
Q100 FLOW IS 6250 CFS.
TRAIL TYPICAL SECTION
NOT TO SCALE
CENTERLINE
TRAIL
1.5
2'-0" 2'-0"
4'-0"
1.5
CRUSHED AGGREGATE
SURFACING, 2" COMPACTED
THICKNESSTRAIL EMBANKMENT
'-0
STEEL LATERAL X-BRACING BY
JOIST MANUFACTURER, TYP.
S
TA
.7
C
EN
TE
R
LI
N E
B R G
A B U T.
S
TA
.0
C
EN
TE
R
LI
N E
B R G
A B U T.
STA 2+90
END TRAIL WORK
MATCH EXISTING
STA 1+60
BEGIN TRAIL WORK
MATCH EXISTING
APPROXIMATE
EXISTING GROUND
(REPRESENTATIVE)
TOE OF
FILL, TYP.
1.8 CY
FILL
6.2 CY FILL1
1 ESTIMATED TRAIL
EMBANKMENT QUANTITY
2"x6" TIMBER AK YELLOW
CEDAR TOP RAIL, TYP.
3/8"Ø GALV. STEEL
HANDRAIL CABLE,
TYP. (6 LINES)
CP-3
80± UPSTREAM
FROM TRAIL ON TOP
OF EAST BANK
USE SUITABLE MATERIAL SALVAGED FROM THE EXCAVATION
MEETING FP-14 SUBSECTION 704.06, UNCLASSIFIED BORROW.
NOT IN CONTRACT
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1+60
1+80 2+00 2+20 2+40 2+60
5 3
PLAN
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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 1.119 BRIDGE STRUCTURE EXCAVATION
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 1.119 Bridge.dwg 6 24
MP 1.119
H
ER
B
ER
T
R
IV
ER
CP-5
EXISTING BRIDGE
ABUTMENT (TO
BE REMOVED)
EXISTING BRIDGE
(TO BE REMOVED)
CENTERLINE
TRAIL
EXISTING EDGE
OF TRAIL, TYP.
STRUCTURE EXCAVATION NOTES
EXISTING BRIDGE
ABUTMENT (TO BE
REMOVED)
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.
3. EXCAVATION LIMITS SHOWN ARE ESTIMATED. THE
CONTRACTOR IS RESPONSIBLE FOR MAKING ADJUSTMENTS
TO THE CUT SLOPES AND EXCAVATION QUANTITIES BASED
ON THE CONDITIONS ENCOUNTERED. NOTIFY THE CO
IMMEDIATELY IF BEDROCK OR SOFT, UNSUITABLE SOILS ARE
FOUND.
4. STRUCTURE EXCAVATION QUANTITIES SHOWN ARE FOR
INFORMATION PURPOSES ONLY AND BASED ON THE LIMITS
SHOWN. THE CONTRACTOR IS RESPONSIBLE FOR
DETERMINING ACTUAL QUANTITIES BASED ON THE
APPROVED EXCAVATION PLAN.
1+70 2+602+502+302+101+90
STRUCTURE
EXCAVATION
(EST. 27 CY)
STRUCTURE
EXCAVATION
(EST. 78 CY)
SCALE IN FEET
10 0 10 20
CP-4
2+70
EXISTING BRIDGE ABUTMENT
(TO BE REMOVED) EXISTING BRIDGE
ABUTMENT (TO BE
REMOVED)
APPROXIMATE
EXISTING GROUND
NEW ABUTMENT
NEW ABUTMENT
APPROXIMATE FINISHED
GROUND AFTER REMOVAL
OF GABIONS
1.5
1.5
1.5
ELEVATION
SCALE: 1" = 10'
APPROXIMATE LIMITS OF
STRUCTURE EXCAVATION
APPROXIMATE LIMITS OF
STRUCTURE EXCAVATION
1'
MIN. 1'
MIN.
NEW ABUTMENT
NEW ABUTMENT
ABUTMENT 2
ABUTMENT 1 EXISTING ABUTMENT TIE-BACK
CABLE, TYP. (TO BE REMOVED)
NOTE: EXISTING BRIDGE TO
BE REMOVED NOT SHOWN
FOR CLARITY
EXISTING GABIONS
(TO BE REMOVED)
NOT IN CONTRACT
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1+60
1+80
2+60
PLAN
SCALE: 1" = 5'
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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 1.119 BRIDGE FOUNDATION PLAN
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 1.119 Bridge.dwg 7 24
A
MP 1.119
H
ER
B
ER
T
R
IV
ERCP-5
'-0
" G
LU
-L A M
B A C
KW
A
LL
3'-0"
'-0
" G
LU
-L A M
S
IL
L
'-0
'-0
8"
'-6
'-6
1'-6"
EXISTING BRIDGE ABUTMENT
(TO BE REMOVED)
EXISTING BRIDGE
(TO BE REMOVED)
C /L
A B U T.
S
TA
.7
CENTERLINE
TRAIL
EXISTING
EDGE OF
TRAIL, TYP.
1+70
'-0
" G
LU
-L A M
B A C
KW
A
LL
3'-0"
'-0
" G
LU
-L A M
S
IL
L
'-0
'-0
8"
'-6
'-6
1'-6" 1'-6"
C /L
A B U T.
S
TA
.0
2+60
2%
APPROXIMATE
EXISTING
GROUND
GLU-LAM
BACKWALL
GLU-LAM SILL
FINISHED
GROUND
4' MIN.
APPROX.
EXCAVATION
SLOPE
8'-0"
CURB & HANDRAIL NOT
SHOWN FOR CLARITY
2%
GLU-LAM BACKWALL
GLU-LAM SILL
FINISHED
GROUND
EXISTING
GABION BASKET
WALL (REMOVE &
DISPOSE)
APPROXIMATE FINISHED GROUND
AFTER REMOVAL OF GABIONS
3' MIN.
8'-0"
BACKFILL
MEETING
704.03(A)
SEE DETAIL
APPROX.
EXCAVATION
SLOPE
SECTION
SCALE: 1" = 5'
ABUTMENT 1
EXISTING ABUTMENT (TO BE REMOVED)
ABUTMENT 1
SECTION
SCALE: 1" = 5'
ABUTMENT 2
PLAN
SCALE: 1" = 5'
ABUTMENT 2
1.5
EXISTING BRIDGE
ABUTMENT (TO
BE REMOVED)
STRUCTURE
EXCAVATION
SEE SHEET 6
USE MATERIAL SALVAGED FROM THE
EXCAVATION MEETING FP-14 MATERIAL
SPECIFICATION 704.06 (UNCLASSIFIED
BORROW) OUTSIDE OF THE BACKFILL
704.03(A) LIMITS SHOWN TO CONSTRUCT
TRAIL EMBANKMENT
A
BACKFILL
MEETING
704.03(A)
SEE DETAIL
STRUCTURE
EXCAVATION
SEE SHEET 6
FINISHED
GROUND
89.28' CENTERLINE BRG. TO CENTERLINE BRG. (HORIZONTAL)
1'-6"
2+702+50
-2% -2.5%
NOT IN CONTRACT
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EL 397.47
BOTTOM OF FOOTING
EL 395.24
BOTTOM OF FOOTING
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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 1.119 BRIDGE FOUNDATION DETAILS
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 1.119 Bridge.dwg 8 24
A
DETAIL
NOT TO SCALE
MP 1.119
VIEW
SCALE: 1" = 5'
ESTIMATED
EXCAVATION
LINE
DECK
APPROXIMATE
EXISTING
GROUND
8'-0" GLU-LAM SILL
GLU-LAM
BACKWALL
.3
DOWNSTREAM
END
UPSTREAM
END
CENTERLINE
STRUCTURE
7'-6" 7'-6"
FINISHED GROUND,
STREAM FACE OF
ABUT.
VIEW
SCALE: 1" = 5'
DECK
8'-0" GLU-LAM SILL
.4
DOWNSTREAM
END
UPSTREAM
END
CENTERLINE
STRUCTURE
7'-6" 7'-6"
FINISHED GROUND,
STREAM FACE OF ABUT.
GLU-LAM
BACKWALL
ABUTMENT 1
ABUTMENT 2
ESTIMATED
EXCAVATION
LINE
APPROX.
EXISTING
GROUND
1'
MIN.
8'-0" LONG TOP (2) GEOGRID LAYERS
EXTEND LOWER (3) LAYERS TO
CUT SLOPE
(5
LA
YE
R S
S
TA
B
IL
IZ
A
TI
O N
G
EO
G R
ID
P
ER
FP
-1
TA
B
LE
-4
M
IN
FASTEN TOP (2) GEOGRID
LAYERS TO GLU-LAM BACKWALL
WITH 2X6 TREATED NAILER
BACKFILL MEETING FP-14
704.03(A) (EST. 13 CY EA.
ABUT.)
ABUTMENT BACKFILL
ABUTMENT 1 SHOWN
ABUTMENT 2 SIMILAR
CURB & HANDRAIL NOT
SHOWN FOR CLARITY
1/4" x 4" LAG SCREW
SPA. @ 24" MAX.
GEOGRID
GLU-LAM BACKWALL
ABUTMENT BACKFILL NOTES
GLU-LAM SILL
TY
P.
1. BACKFILL ABUTMENTS WITH MATERIAL MEETING FP-14 SUBSECTION 704.03(A) IN ACCORDANCE WITH SECTION 208.09 OF THE STANDARD SPECIFICATIONS. MATERIAL SALVAGED FROM THE EXCAVATION MAY
BE USED AS BACKFILL WITH APPROVAL OF THE COR.
2. ANY BACKFILL OUTSIDE THE LIMITS SHOWN IS CONSIDERED EMBANKMENT AND MUST MEET THE
REQUIREMENTS FOR EMBANKMENT AND SUBSECTION 704.06, UNCLASSIFIED BORROW.
3. MATERIAL FROM STRUCTURE EXCAVATION AT THIS SITE MAY BE USED AS UNCLASSIFIED BORROW IF IT MEETS THE SPECIFICATION REQUIREMENTS. SOME MIXING AND SORTING MAY BE REQUIRED. APPROVAL
FROM THE COR MUST BE OBTAINED PRIOR TO USE.
4. COMPACT BACKFILL IN ACCORDANCE WITH FP-14 SECTION 208.10.
FILL DITCH CREATED ON EACH SIDE
OF NEW ABUTMENT WITH ROCK FILL
SALVAGED FROM THE EXISTING
GABION BASKETS. GRADE TO DRAIN
TO STREAM SIDE OF ABUTMENT.
GLU-LAM
BEARING
BLOCK
GLU-LAM
BEARING
BLOCK
GLU-LAM BEARING BLOCK
GEOGRID LAYERS
ARE 6'-0" WIDE, TYP.
6" THICK BACKFILL MEETING FP-14 704.03(A)
NOT IN CONTRACT
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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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 1.119 BRIDGE ABUTMENT DETAILS
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 1.119 Bridge.dwg 9 24
A
DETAIL
NOT TO SCALE
A
MP 1.119
ABUTMENT PLAN
SCALE: 1/2" = 1'-0"
5-1/8" GLU-LAM BACKWALL
GLU-LAM SILL
HANDRAIL NOT
SHOWN FOR CLARITY
SYMMETRICAL
ABOUT
CENTERLINE
CONNECT BACKWALL TO BEARING
BLOCK W/ (2) 3/4"Ø x 1'-0" LAG
SCREWS SPA. AS SHOWN (12 TOTAL)
ABUTMENT 1 SHOWN
ABUTMENT 2 SIMILAR
3'-6" 4'-0"
CENTERLINE STRUCTURE
CENTERLINE TRAIL
1'-6" 1'-6" 1'-0"
67 8" 51 8"
'-0
" 1 '-0
B
EA
RI
N G
B
LO
C K
3" 1'-6" 1'-6" 9"
'-0
" G
LU
-L A M
S
IL
L
CONNECT BEARING BLOCK TO
SILL W/ 1"Ø x 1'-10" TIMBER
BOLTS W/ HEX HEAD BOLTS &
MALLEABLE IRON WASHERS,
TYP. (5 TOTAL)
ABUTMENT ELEVATION
SCALE: 1/2" = 1'-0"
ABUTMENT 1 SHOWN
ABUTMENT 2 SIMILAR
15'-0" GLU-LAM BACKWALL
3'-6" 4'-0"
'-3
'-6
" CENTERLINE
BEARING
8'-0"
03 4"
01 2"
03 4"
'-5
3 8" B
A C
KW
A
LL
H
EI
G H T
03 4"
3'-0" GLU-LAM SILL
SEE
DETAIL
HANDRAIL NOT
SHOWN FOR CLARITY
10-3/4"x 36"x 8'-0"
GLU-LAM SILL
10-3/4"x 12"x 8'-0"
GLU-LAM BEARING BLOCK
1'-0" 1'-0" 1'-0"
EXTEND DECK PLANKS
OVER BACKWALL, TYP.
4-1/2"Ø x1-3/4" DEEP
RECESSED HOLES IN
SILL, TYP.
03 4"
01 2"
'-4
7 8" B
A C
KW
A
LL
H
EI
G H T
03 4"
3'-0" GLU-LAM SILL
1'-0" 1'-0" 1'-0"
ABUTMENT SECTION
SCALE: 1/2" = 1'-0"
ABUTMENT 1
ABUTMENT 2
SEE
DETAIL
STEEL JOIST
1-1/4"Ø HOLE, TYP.
31 2" TY
P.
TY
P.
NAILER FOR GEOGRID
ATTACHMENT, TYP.
SEE SHEET 8. GEOGRID,
TYP
BEARING PLATE
2" 9" 2"
1'-1"
1/2" x 8" x 1'-1"
BEARING PLATE
NOTE: CONNECT BEARING
PLATE TO BEARING BLOCK WITH
A MINIMUM OF (2) 1"Ø x 8"
LONG LAG SCREWS AT EACH
JOIST CONNECTION.
1/4 4" LONG
A
CURB
10-3/4"x 36"x 8'-0"
GLU-LAM SILL
6"
C /L
B R G
6"
C /L
B R G
'-0
GLU-LAM
BEARING
BLOCK
GLU-LAM
BEARING
BLOCK
STEEL JOIST
DECK PLANKS
DECK PLANKS
FLOOR BM
FLOOR BM
EXTEND CURB TO
END OF DECK, TYP.
8"
8"
STEEL JOIST MANUFACTURER
MAY SUBMIT ALTERNATE
BEARING DETAIL FOR APPROVAL.
PROVIDE (1) BEARING PLATE
WITH 1-1/16"Ø HOLES AND (1)
BEARING PLATE WITH 1-1/16" x 2"
SLOTTED HOLE, TYP. (SLOTTED
HOLES SHOWN.)
CENTERLINE
HOLES, TYP.NOT IN CONTRACT
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CP-12
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
SCALE IN FEET
20 0 20 40
HERBERT
RIVER
EDGE OF
EXISTING TRAIL
EXISTING BRIDGE
(TO BE REMOVED)
APPROXIMATE
EXISTING GROUND AT
CENTERLINE TRAIL
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE DEMOLITION PLAN
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 10 24
MP 2.286
EXISTING BRIDGE ELEVATION
SCALE: 1" = 20'
EXISTING
BOULDER
(LEAVE IN
PLACE)
TIMBER CRIB
ABUTMENT WITH
STEPS (TO BE
REMOVED)
EXISTING BRIDGE PLAN
73'± EXISTING BRIDGE LENGTH
(TO BE REMOVED)
EXISTING BRIDGE
ABUTMENT 2 IS A VERTICAL
TREATMENT TIMBER WALL
ABUTMENT (TO BE REMOVED)
ABUTMENT 1 IS A
TIMBER CRIB ABUTMENT
WITH STEPS (TO BE
REMOVED)
EXISTING BRIDGE IS MADE OF (4) PAINTED
STEEL TRUSS GIRDERS WITH TREATED
TIMBER DECK MEMBERS. EXISTING
BRIDGE PLANS ARE PROVIDED FOR
INFORMATION ONLY.
ABUTMENT 2
(TO BE REMOVED)
ABUTMENT 1
(TO BE REMOVED)
UPSTREAM SIDE
ABUTMENT 1
LOOKING TOWARD ABUTMENT 2
LOOKING UPSTREAM
TIMBER CRIBBING
TREATED TIMBER
POSTS & CAP WITH
BACKING PLANK
ABUTMENT 2
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5+00
5+20
5+ 60 5+80 6+00 6+20 6+40 6+60
7+00 7+20
7+40 7+60
7+80 7+97
CL Trail
5+00 6+00 7+00 8+00
0.00%
8.00% 3.55%
-5.08%STA = 5+30.00
EL = 395.55
S
TA
.4
EL
.7
S
TA
.4
EL
.6
S
TA
.5
EL
.0
S
TA
.0
EL
.3
S
TA
.6
EL
.3
S
TA
.0
EL
.2
PLAN
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
SCALE IN FEET
20 0 20 40
H
ERB
ERT
RIV
ER
EDGE OF
EXISTING TRAIL
REMOVE & DISPOSE
EXISTING BRIDGE
10'
CENTERLINE TRAIL
FINISHED GRADE
APPROXIMATE EXISTING
GROUND AT CENTERLINE TRAIL
EXISTING
BOULDER
CENTERLINE TRAIL
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE TRAIL PLAN & PROFILE
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 11 24
MP 2.286
PROFILE
SCALE: 1" = 20'
NEW BRIDGE
TIMBER SILL ABUTMENT
WITH BACKWALL, TYP.
CENTERLINE
TRAIL
1.5
2'-0" 2'-0"
4'-0"
TRAIL TYPICAL SECTION
NOT TO SCALE
STA 6+95
END TRAIL WORK
MATCH EXISTING
STA 5+30
BEGIN TRAIL WORK
MATCH EXISTING
EDGE OF
NEW TRAIL
EXISTING
BOULDER
TIMBER CRIB
STEPS
1.5
CRUSHED AGGREGATE
SURFACING, 2" COMPACTED
THICKNESS
1.2 CY FILL, 0.8 CY CUT
EST. TRAIL EMBANKMENT
16.7 CY FILL, 0.1 CY CUT
ESTIMATED TRAIL EMBANKMENT
STA 5+44.4 TIMBER
CRIB STEPS. SEE DETAIL
ON SHEET 12
ABUTMENT TIMBER CRIB
STEPS. SEE DETAIL ON
SHEET 19.
TRAIL EMBANKMENT
APPROXIMATE
EXISTING GROUND
(REPRESENTATIVE)
1 USE SUITABLE MATERIAL SALVAGED
FROM THE EXCAVATION MEETING
FP-14 SUBSECTION 704.06,
UNCLASSIFIED BORROW.
ABUTMENT
TIMBER CRIB
STEPS
CP-11
STA 5+10
±40' RT OF
TRAIL
CP-13
±80' UPSTREAM OF
EXISTING BRIDGE, TOP OF
EAST BANK
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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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE CRIB STEP DETAILS
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 12 24
A
SEE DETAIL
CRIB STEP ELEVATION
SCALE: 1/2" = 1'-0"
#5x 2'-6" REBAR. DRIVE THROUGH
PRE-DRILLED 5/8"Ø HOLES IN CRIB
MEMBERS AND INTO GROUND, TYP.
12"
TYP.
8"x8"x 6'-0" TREATED
TIMBER CRIB BEAMS, TYP.
(10 TOTAL)
TY
P.
(3) 8"x8"x 4'-0" TREATED
TIMBER CRIB BEAMS, TYP.
ATTACH DECK PLANKS TO CRIB
BEAMS WITH 6" RING SHANK
NAILS, MIN. (6) PER PLANK.
APPROXIMATE
EXISTING GROUND
TRAIL FINISHED GROUND
8'-0"
TRAIL STA 5+44.4
BACKFILL IN AND AROUND CRIB BEAMS TO
EXISTING GROUND SURFACE WITH MATERIAL
SALVAGED FROM THE EXCAVATION MEETING
FP-14 SUBSECTION 704.03(A), BACKFILL.
NOTE:
EXCAVATE AND BACKFILL FOR CRIB STEPS IN
ACCORDANCE WITH FP-14 SECTION 209.
(INCIDENTAL TO ITEM 55705A)(3) 8"x8"x 4'-81
2" TREATED
TIMBER CRIB BEAMS, TYP.
8"
TYP.
HANDRAIL NOT SHOWN
FOR CLARITY.
2"
OVERHANG EACH
12" STEP PLANK AS
SHOWN
A
DETAIL
NOT TO SCALE
CONNECT CRIB MEMBERS
WITH 1/2"Ø A36
ALL-THREAD RODS, WITH
BOLTS & WASHERS ON EA.
END, TYP. PRE-DRILL
9/16"Ø HOLES IN CRIB
MEMBERS.
2'-014" TYP.
TY
P.
12"
8" GAP
12"
COUNTER SINK
HOLES IN CRIB
BEAMS, TYP.
TYP.
CRIB STEP HANDRAIL
SCALE: 1/4" = 1'-0"
ELEVATION
(2) 2"x6"x 8'-10"
AK YELLOW CEDAR HANDRAILS
"x
" T
R
EA
TE
D
TI
M
B
ER
P O
S T, T
YP
SECTION
SCALE: 1/4" = 1'-0"
3/4"Ø x 9" LAG
SCREW @ EA.
POST, TYP.
CONNECT RAILS TO
POSTS WITH (2) #10
x 4" COATED DECK
SCREWS @ EA.
POST, TYP.
TIMBER
CRIB STEPS
3/4"Ø x 15"
TIMBER BOLT @
EA. POST, TYP.
USE HEX HEAD
BOLT & MALL. IRON
WASHER ON
INTERIOR.
'-0
INSTALL HANDRAIL
ON ONE SIDE OF
STEPS ONLY.
3'-0" 3'-0"
5'-4" LONG POST
4'-10"
LONG
POST
MP 2.286
6"
TYP.
3"x12"x 6'-0"
DECK PLANK,
TYP.
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5+20
5+ 60 5+80 6+00 6+20 6+40 6+60
7+00 7+20
7+40
PLAN
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
SCALE IN FEET
20 0 20 40
H
ERB
ERT
RIV
ER
EDGE OF
EXISTING TRAIL
EXISTING BRIDGE
(TO BE REMOVED)
CENTERLINE TRAIL
FINISHED GRADE
APPROXIMATE
EXISTING GROUND AT
CENTERLINE TRAIL
EXISTING
BOULDER
CENTERLINE TRAIL
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE GENERAL LAYOUT
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 13 24
MP 2.286
79.17' CENTERLINE BRG. TO CENTERLINE BRG.
TYPICAL SECTION
SCALE: 3/8" = 1'-0"
5'-2"±
'-6
GALV. STEEL
ANGLE POST &
BRACE @ 5'-0"
6"x6" TREATED TIMBER
CURB ON 3"X6"
TREATED TIMBER
CURB RISER
3"x12" TREATED
TIMBER DECKING
4"x6" TIMBER DECK
BEAMS SPA. @ 2'-6"
OPEN WEB STEEL JOIST
40LH14, TYP.
18"
TYP.
PROFILE
SCALE: 1" = 20'
TIMBER SILL ABUTMENT
WITH BACKWALL, TYP.
CENTERLINE BRG.
ABUTMENT 1
FG EL 404.3
CENTERLINE BRG.
ABUTMENT 2
FG EL 404.3
EDGE OF
NEW TRAIL
EXISTING
BOULDER
4'
EL 396.2
100-YEAR (1% ANNUAL
EXCEEDANCE PROBABILITY)
WATER SURFACE ELEVATION.
Q100 FLOW IS 5380 CFS.
FREEBOARD
3/8"Ø STEEL HANDRAIL
CABLE WITH ANGLE
POSTS, TYP.
TIMBER CRIB STEPS AT
ABUTMENT. SEE DETAILS
ON SHEET 19.
S
TA
.5
C
EN
TE
R
LI
N E
B R G
A B U T.
S
TA
.7
C
EN
TE
R
LI
N E
B R G
A B U T.
STEEL LATERAL X-BRACING
BY JOIST MANUFACTURER
'-4
3/8"Ø GALV. STEEL
HANDRAIL CABLE,
TYP. (6 LINES)
TIMBER CRIB STEPS ON
TRAIL. SEE DETAILS ON
SHEET 12.
2"x6" TIMBER AK
YELLOW CEDAR
TOP RAIL, TYP.
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5+
5+80 6+00 6+20 6+40 6+60
PLAN
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
SCALE IN FEET
10 0 10 20
H
ERB
ERT
RIV
ER
EDGE OF
EXISTING TRAIL
EXISTING BRIDGE
(TO BE REMOVED)
CENTERLINE TRAIL
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE STRUCTURE EXCAVATION
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 14 24
MP 2.286
ELEVATION
SCALE: 1" = 10'
ABUTMENT TIMBER CRIB
STEPS. SEE SHEET 19.
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.
3. EXCAVATION LIMITS SHOWN ARE ESTIMATED. THE
CONTRACTOR IS RESPONSIBLE FOR MAKING ADJUSTMENTS
TO THE CUT SLOPES AND EXCAVATION QUANTITIES BASED
ON THE CONDITIONS ENCOUNTERED. NOTIFY THE CO
IMMEDIATELY IF BEDROCK OR SOFT, UNSUITABLE SOILS ARE
FOUND.
4. STRUCTURE EXCAVATION QUANTITIES SHOWN ARE FOR
INFORMATION PURPOSES ONLY AND BASED ON THE LIMITS
SHOWN. THE CONTRACTOR IS RESPONSIBLE FOR
DETERMINING ACTUAL QUANTITIES BASED ON THE
APPROVED EXCAVATION PLAN.
STRUCTURE
EXCAVATION
(EST. 14 CY)
STRUCTURE
EXCAVATION
(EST. 12 CY)
APPROXIMATE
EXISTING GROUND
NEW ABUTMENT
1.5
APPROXIMATE LIMITS OF
STRUCTURE EXCAVATION
1'
MIN.
TYP. 1'
MIN.
TYP.
APPROXIMATE LIMITS OF
STRUCTURE EXCAVATION
EXISTING BRIDGE
ABUTMENT (TO
BE REMOVED)
CP-12
ABUTMENT 2
ABUTMENT 1
NEW ABUTMENT
NEW ABUTMENT
NEW ABUTMENT
NEW TIMBER
CRIB STEPS
NOTE: EXISTING BRIDGE TO
BE REMOVED NOT SHOWN
FOR CLARITY
5+50
5+90 6+10 6+30 6+50
6+
5+70
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5+80 6+60
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
H
ERB
ERT
RIV
ER
EXISTING BRIDGE
(TO BE REMOVED)
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE FOUNDATION PLAN
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 15 24
MP 2.286
S
TA
.5
S
TA
.7
PLAN
SCALE: 1" = 5'
A
CP-12
3'-0"
'-0
" G
LU
-L A M
S
IL
L
'-0
'-0
2'-0"2'-0"
C /L
A B U T.
CENTERLINE
TRAIL
3'-0"
'-0
" G
LU
-L A M
S
IL
L
'-6
'-6
'-0
'-0
1'-6" 1'-6"
6+50
2% APPROXIMATE EXISTING GROUND
GLU-LAM SILL
FINISHED
GROUND
3' MIN.
APPROX.
EXCAVATION
SLOPE
CURB & HANDRAIL NOT
SHOWN FOR CLARITY
2%
APPROXIMATE EXISTING GROUND
GLU-LAM
BACKWALL
GLU-LAM SILL
FINISHED
GROUND
3' MIN.
8'-0"
BACKFILL
MEETING FP-14
704.03(A)
SEE DETAIL
APPROX.
EXCAVATION
SLOPE
SECTION
SCALE: 1" = 5'
ABUTMENT 1
ABUTMENT 1
SECTION
SCALE: 1" = 5'
ABUTMENT 2
PLAN
SCALE: 1" = 5'
STRUCTURE EXCAVATION
SEE SHEET 14
USE MATERIAL SALVAGED FROM THE
EXCAVATION MEETING FP-14 MATERIAL
SPECIFICATION 704.06 (UNCLASSIFIED
BORROW) OUTSIDE OF THE BACKFILL
704.03(A) LIMITS SHOWN TO CONSTRUCT
TRAIL EMBANKMENT
BACKFILL MEETING
FP-14 704.03(A)
STRUCTURE
EXCAVATION
SEE SHEET 14
79.17' CENTERLINE BRG. TO CENTERLINE BRG.
APPROXIMATE FINISHED
GROUND AFTER REMOVAL OF
EXISTING CRIB ABUTMENT
CP-15
EXISTING ABUTMENT STEPS
(TO BE REMOVED)
C /L
A B U T.
'-0
" G
LU
-L A M
B A C
KW
A
LL
8"
ABUTMENT 2
'-0
" G
LU
-L A M
B A C
KW
A
LL
TI
M B
ER
C R
IB
S
TE
PS
'-0
'-0
8'-012"
GLU-LAM
BACKWALL
TIMBER CRIB
STEPS -6.3%
5+70
BOTTOM (2) LAYERS
OF CRIBBING
4'-0"
6"
TYP.
'-0
" G
LU
-L A M
S
IL
L
6"
TYP.
4'-0"
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EL 397.49
BOTTOM OF FTG
EL 397.49
BOTTOM OF FTG
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
VIEW
NOT TO SCALE
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE FOUNDATION DETAILS
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 16 24
MP 2.286
GLU-LAM BEARING
BLOCK
ESTIMATED EXCAVATION LINE
TOP OF DECK
APPROXIMATE EXISTING GROUND
VIEW
NOT TO SCALE
8'-0" GLU-LAM SILL & BEARING BLOCK
DECK
APPROXIMATE
EXISTING
GROUND
GLU-LAM BACKWALL
GLU-LAM BACKWALL
.4
FINISHED
GROUND
6'-0" GLU-LAM BACKWALL
& TIMBER CRIB STAIRS
8'-0" GLU-LAM SILL & BEARING BLOCK
B
DETAIL
NOT TO SCALE
DOWNSTREAM
END
UPSTREAM
END
DOWNSTREAM
END
UPSTREAM
END
1'
MIN.
8'-0" LONG TOP (2) GEOGRID LAYERS
EXTEND LOWER (3) LAYERS TO
CUT SLOPE
(4
LA
YE
R S
ST
AB
IL
IZ
AT
IO
N G
EO
G
RI
D
PE
R
FP
-1
TA
BL
E
4-
M
IN
FASTEN TOP (2) GEOGRID
LAYERS TO BACKWALL WITH
2X6 TREATED NAILER
BACKFILL MEETING FP-14
704.03(A) (EST. 14 CY)
ABUTMENT BACKFILL
ABUTMENT 2
CURB & HANDRAIL
NOT SHOWN FOR
CLARITY
1/4" x 4" LAG SCREW
SPA. @ 24" MAX.
GEOGRID
GLU-LAM BACKWALL
GLU-LAM SILL
TY
P.
A
DETAIL
NOT TO SCALE
ABUTMENT BACKFILL
ABUTMENT 1
BACKFILL MEETING FP-14
704.03(A) TO TOP OF 2ND LAYER
OF CRIB WALL (EST. 3 CY)
1'
MIN.
1'
MIN.
CURB & HANDRAIL
NOT SHOWN FOR
CLARITY
FINISHED
GROUND
TIMBER CRIB STEPS
APPROXIMATE EXISTING GROUND
APPROXIMATE
EXISTING GROUND
GLU-LAM SILL
ABUTMENT 1
ABUTMENT 2
GLU-LAM BEARING BLOCK
BRIDGE
SUPERSTRUCTURE
BRIDGE SUPERSTRUCTURE
GLU-LAM
BRG. BLOCK
GEOGRID LAYERS
ARE 6'-0" WIDE, TYP.
6" THICK BACKFILL MEETING FP-14 704.03(A)
6" THICK BACKFILL MEETING FP-14 704.03(A)
ESTIMATED
EXCAVATION
LINE
9'-0" GLU-LAM SILL
6"
TYP.
9'-0" GLU-LAM SILL
6"
TYP.
ESTIMATED
EXCAVATION LINE
ESTIMATED
EXCAVATION
LINE
ABUTMENT BACKFILL NOTES
1. BACKFILL ABUTMENTS WITH MATERIAL MEETING FP-14 SUBSECTION 704.03(A) IN ACCORDANCE WITH SECTION 208.09 OF THE
STANDARD SPECIFICATIONS. MATERIAL SALVAGED FROM THE EXCAVATION MAY BE USED AS BACKFILL WITH APPROVAL OF THE COR.
2. ANY BACKFILL OUTSIDE THE LIMITS SHOWN IS CONSIDERED EMBANKMENT AND MUST MEET THE REQUIREMENTS FOR EMBANKMENT
AND SUBSECTION 704.06, UNCLASSIFIED BORROW.
3. MATERIAL FROM STRUCTURE EXCAVATION AT THIS SITE MAY BE USED AS UNCLASSIFIED BORROW IF IT MEETS THE SPECIFICATION REQUIREMENTS. SOME MIXING AND SORTING MAY BE REQUIRED. APPROVAL FROM THE COR MUST BE OBTAINED PRIOR TO USE.
4. COMPACT BACKFILL IN ACCORDANCE WITH FP-14 SECTION 208.10.
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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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE ABUTMENT 1 DETAILS
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 17 24
MP 2.286
ABUTMENT 1 PLAN
SCALE: 1/2" = 1'-0"
5-1/8" GLU-LAM BACKWALL
GLU-LAM SILL
SYMMETRICAL
ABOUT CENTERLINE
CONNECT BACKWALL TO BEARING
BLOCK W/ 3/4"Ø x 1'-0" LAG SCREWS
SPA. AS SHOWN (4 TOTAL)
4'-0"
CENTERLINE STRUCTURE
CENTERLINE TRAIL
1'-6" 1'-6" 1'-0"
'-0
B
EA
RI
N G
B
LO
C K
'-0
" G
LU
-L A M
S
IL
L
CONNECT BEARING BLOCK TO SILL
W/ 1"Ø x 2'-8" TIMBER BOLTS W/
HEX HEAD BOLTS & MALLEABLE
IRON WASHERS, TYP. (5 TOTAL)
ABUTMENT 1 ELEVATION
SCALE: 1/2" = 1'-0"
'-0
CENTERLINE
BEARING
8'-0"
03 4"
03 4"
'-9
1 4" G
LU
-L
A M
B A C
KW
A
LL
H
EI
G H T
03 4"
3'-0" GLU-LAM SILL
HANDRAIL NOT
SHOWN FOR CLARITY
10-3/4"x 12"x 8'-0"
GLU-LAM BEARING
BLOCK.
1'-0" 1'-0" 1'-0"
4-1/2"Ø x1-3/4" DEEP
RECESSED HOLES IN
SILL, TYP. ABUTMENT 1 SECTION
SCALE: 1/2" = 1'-0"
STEEL
JOIST
1-1/4"Ø HOLE, TYP.
A
SEE
DETAIL
TIMBER CRIBBING
SEE SHEET 19
CURB
HANDRAIL NOT
SHOWN FOR CLARITY
6'-0" GLU-LAM BACKWALL
1'-6"9" 9"
TIMBER CRIBBING
'-0
'-0
3/4"Ø x 1'-0"
LAG SCREW
'-1
01 2" 03 4"
1'-0" 1'-0"
6"
C /L
B R G
'-0
10-3/4"x 36"x 8'-0"
GLU-LAM SILL
GLU-LAM
BEARING
BLOCK
DECK PLANKS
FLOOR BM
01 4"
4'-0" GLU-LAM SILL
6"6"
CURB
RISER
'-0
" G
LU
-L A M
S
IL
L
6"
9'-0"
10-3/4"x 48"x 9'-0"
GLU-LAM SILL
6"
TYP.
03 4"
6"
8"
BACKWALL
THICKNESS
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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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE ABUTMENT 2 DETAILS
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 18 24
MP 2.286
ABUTMENT 2 PLAN
SCALE: 1/2" = 1'-0"
5-1/8" GLU-LAM BACKWALL
GLU-LAM SILL
CURB & HANDRAIL
NOT SHOWN FOR
CLARITY
SYMMETRICAL
ABOUT
CENTERLINE
CONNECT BACKWALL TO BEARING
BLOCK W/ (2) 3/4"Ø x 1'-0" LAG
SCREWS SPA. AS SHOWN (12 TOTAL)
3'-0" 4'-0"
CENTERLINE STRUCTURE
CENTERLINE TRAIL
1'-6" 1'-6" 1'-0"
67 8" 51 8"
'-0
" 1 '-0
G
LU
-L
AM
B
EA
RI
N G
B
LO
C K
3" 1'-6" 1'-6" 9" '-0
" G
LU
-L A M
S
IL
L
CONNECT BEARING BLOCK TO SILL
W/ 1"Ø x 2'-8" TIMBER BOLTS W/ HEX
HEAD BOLTS & MALLEABLE IRON
WASHERS, TYP. (5 TOTAL)
ABUTMENT 2 ELEVATION
SCALE: 1/2" = 1'-0"
3'-6" 4'-0"
'-3
'-6
" CENTERLINE
BEARING
8'-0"
03 4"
HANDRAIL NOT
SHOWN FOR CLARITY
10-3/4"x 36"x 8'-0"
GLU-LAM SILL
10-3/4"x 12"x 8'-0"
GLU-LAM BEARING BLOCK.
4-1/2"Ø x1-3/4" DEEP
RECESSED HOLES IN
SILL, TYP.
03 4"
'-9
1 4" B
A C
KW
A
LL
H
EI
G H T
03 4"
3'-0" GLU-LAM SILL
1'-0" 1'-0" 1'-0"
ABUTMENT 2 SECTION
SCALE: 1/2" = 1'-0"
1-1/4"Ø HOLE, TYP.
TY
P.
'-6
1 4"
SEE
DETAIL
A
NAILER FOR GEOGRID
ATTACHMENT, TYP.
SEE SHEET 16.
GEOGRID,
TYP
A
DETAIL
NOT TO SCALE
BEARING PLATE
2" 9" 2"
1'-1"
1/2" x 8" x 1'-1"
BEARING PLATE
PROVIDE (1) BEARING PLATE
WITH 1-1/16"Ø HOLES AND (1)
BEARING PLATE WITH 1-1/16" x 2"
SLOTTED HOLE, TYP. (SLOTTED
HOLES SHOWN.)
NOTE: CONNECT BEARING
PLATE TO BEARING BLOCK WITH
A MINIMUM OF (2) 1"Ø x 8"
LONG LAG SCREWS AT EACH
JOIST CONNECTION.
1/4 4" LONG
CURBDECK PLANKS
FLOOR BM
15'-0" GLU-LAM BACKWALL
'-0
C /L
B R G
10-3/4"x 36"x 8'-0"
GLU-LAM SILL
GLU-LAM
BEARING
BLOCK
6"
SYMMETRICAL
ABOUT
CENTERLINE
CENTERLINE STRUCTURE
CENTERLINE TRAIL
STEEL JOIST
CURB
RISER
4'-0" GLU-LAM SILL
6"6"
10-3/4"x 48"x 9'-0"
GLU-LAM SILL
01 4"
03 4"
9'-0"
10-3/4"x 48"x 9'-0"
GLU-LAM SILL
6"
TYP.
03 4"
6"
6"
8"
BACKWALL
THICKNESS
STEEL JOIST MANUFACTURER
MAY SUBMIT ALTERNATE
BEARING DETAIL FOR APPROVAL.
CENTERLINE
HOLES, TYP.
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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
WINDFALL TRAIL BRIDGE REPLACEMENT MP 2.286 BRIDGE CRIB STEP DETAILS
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 Windfall MP 2.286 Bridge.dwg 19 24
MP 2.286
ABUTMENT CRIB STEP PLAN
SCALE: 1/2" = 1'-0"
ABUTMENT CRIB STEP ELEVATION
SCALE: 1/2" = 1'-0"
(6) 3"x12" ALTERNATING WITH (6) 3"x6" DECK PLANKS
'-0
" D
EC
K
PL
A N K
C R
IB
B
EA
M L
EN
G
TH
ATTACH DECK PLANKS TO CRIB BEAMS WITH (6) 6" RING
SHANK NAILS AS SHOWN (2) NAILS @ EA. SUPPORT BEAM.
PRE-DRILL & FIELD HOLES AS REQUIRED FOR BRIDGE
DECKING. SEE NOTE ON SHEET 20.
GLU-LAM SILL
GLU-LAM ABUTMENT
MEMBERS, TYP.
CONNECT CRIB MEMBERS WITH 1/2"Ø
A36 ALL-THREAD RODS, WITH BOLTS &
WASHERS ON EA. END, TYP. PRE-DRILL
9/16"Ø HOLES IN CRIB MEMBERS.
9'-112"
(3) 8"x8" CRIB
BEAMS (9 TOTAL)
11 4"
TY
P.
2"
COUNTER SINK
HOLES IN CRIB
BEAMS, TYP.
(7
LA
YE
R S O
F "x
" C
R
IB
B
IN
G
'-8
TYP.
NOTE: COST OF ALL HARDWARE
IS INCIDENTAL TO ITEM 55704,
TREATED STRUCTURAL TIMBER &
LUMBER
NOTE: BRIDGE DECK,
CURB & HANDRAIL NOT
SHOWN FOR CLARITY
CRIB STEP HANDRAIL
SCALE: 1/4" = 1'-0"
ELEVATION
(2) 2"x6"x 1 0'-3"
ALASKA YEL
LOW CEDAR HANDRAILS
'-0
" T O
TR
EA
D N
O S E
"x
" T
R
EA
TE
D
TI
M
B
ER
P O
S T, T
YP
SECTION
SCALE: 1/4" = 1'-0"
3/4"Ø x 9" LAG
SCREW @ EA.
POST, TYP.
CONNECT RAILS TO
POSTS WITH (2) #10
x 4" COATED DECK
SCREWS @ EA.
POST, TYP.
BRIDGE
SUPERSTRUCTURE
BRIDGE
SUBSTRUCTURE
BRIDGE HANDRAIL
TIMBER
CRIB STEPS
A
INTERMEDIATE CRIB BEAMS
EA. LAYER, CENTERED
8"
TYP.
'-0
CENTERLINE INTERMEDIATE BEAMS
3'-0" 3'-0" 3/4"Ø x 15"
TIMBER BOLT @
EA. POST, TYP.
USE HEX HEAD
BOLT & MALL. IRON
WASHER ON
INTERIOR.
1'-614" TYP.
TY
P.
3'-012"3'-012"3'-012"
3"x6"x 6'-0"
DECK PLANK,
TYP.
3"x12"x 6'-0"
DECK PLANK,
TYP.
8"x8"x 6'-0"
CRIB BEAMS,
TYP. (15 TOTAL)
SEE DETAIL
12"
8" GAP
6"
OVERHANG EACH
12" STEP PLANK AS
SHOWN
A
DETAIL
NOT TO SCALE
'-0
5'-4" LONG POST
5'-0" LONG POST
PROVIDE SOLID WOOD
SHIMS UNDER CRIB
BEAM @ ABUTMENT.
GLU-LAM BACKWALL
GLU-LAM BEARING BLOCK
6"
TYP.
BACKFILL IN AND AROUND CRIB BEAMS TO
EXISTING GROUND SURFACE WITH MATERIAL
SALVAGED FROM THE EXCAVATION MEETING
FP-14 SUBSECTION 704.03(A), BACKFILL.
EXCAVATION AND BACKFILL FOR CRIB STEPS
IS INCIDENTAL TO ITEM 55705A.
SEE NOTE1
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DATE:DRAWN:
REVIEWED: DATE:
DATE: REVISION: BY:
PLOT ON 11"X17" PAPERTNFTYP:09/04
WINDFALL TRAIL BRIDGE REPLACEMENT BRIDGE SUPERSTRUCTURE DETAILS
JUNEAU RANGER DISTRICT
CT Mar-18
CT Mar-18
MJ Mar-18 WINDFALL BRIDGES 20 24
A
SUPERSTRUCTURE PLAN
SCALE: 1/4" = 1'-0"
'-6
'-6
'-6
OPEN WEB STEEL JOIST
LATERAL BRACING
SPACING BY JOIST
MANUFACTURER
JOIST LATERAL
X-BRACING, TYP.
90'-0" OUT-TO-OUT OPEN WEB STEEL JOISTS & CURBS MP 1.119 BRIDGE
80'-0" OUT-TO-OUT OPEN WEB STEEL JOISTS & CURBS MP 2.286 BRIDGE
2'-4"
END
SPACING
2'-6"
TYP.
2'-6"
TYP.
5'-0" TYP.
INTERIOR SPACING
(34) SPACES @ 2'-6" = 85'-0" MP 1.119 BRIDGE
(30) SPACES @ 2'-6" = 75-'0" MP 2.286 BRIDGE
2"
4"x6"x 12'-0"
LONG FLOOR
BEAM, TYP.
'-0
4"x6"x 6'-0" LONG
FLOOR BEAM, TYP.
6"x6"
CURB,
TYP.
3"x12"
DECKING,
TYP.
ATTACH DECK PLANKS TO FLOOR BEAMS WITH (2) 6" RING SHANK NAILS PER
PLANK AT EACH FLOOR BEAM. PRE-BORE SPIKE LEAD HOLE USING A HOLE
EQUAL TO 75% OF THE SPIKE DIAMETER. TREAT HOLE WITH COPPER
NAPHTHENATE (2% SOLUTION) BEFORE PLACING EACH SPIKE, UNLESS
OTHERWISE DIRECTED BY THE CO. EACH RUNNING PLANK MAY BE
FURNISHED IN MULTIPLE PIECES. STAGGER PLANK SPLICES BETWEEN RUNS
A MINIMUM OF 3 FEET.
SPLICE DECK PLANKS AT FLOOR BEAM AS
SHOWN. PROVIDE (2) NAILS AT EACH
PLANK END. STAGGER SPLICES.
'-9
'-9
C/L STEEL
JOIST
FLOOR BEAM
TO JOIST
CONNECTION
SEE DETAIL
CONSULTING ENGINEERS & LAND SURVEYORS
3203 Russell Street, Missoula, Montana 59801-8591
Phone 406/721-4320 Fax 406/549-6371
A& , P.C.DJ
2'-6"
SUPERSTRUCTURE ELEVATION
SCALE: 1/4" = 1'-0"
S
TE
EL
J
O
IS
T '-0
" M P
.1
'-4
" M P
.2
OPEN WEB STEEL JOIST
48LH14 MP 1.119 BRIDGE
40LH14 MP 2.286 BRIDGE
JOIST LATERAL
X-BRACING, TYP.
2'-6"
TYP.
6"x6"3"x12" 4"x6" FLOOR BEAM, TYP.
12'-0" LONG ALTERNATING
WITH 6'-0" LONG 6"
4"
HANDRAIL MEMBERS
NOT SHOWN FOR
CLARITY
2'-6"
3"x6"x0'-6" RISER
BLOCK, TYP.
SEE DETAIL B
21DECK CURB
1 JOIST SIZE DESIGNATIONS SHOWN ARE
ESTIMATED FROM STEEL JOIST INSTITUTE
LRFD STANDARD LOAD TABLES. FINAL
JOIST DESIGN TO BE COMPLETED BY THE
MANUFACTURER. SEE FSSS SECTION 571.
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DATE:DRAWN:
REVIEWED: DATE:
DATE: REVISION: BY:
PLOT ON 11"X17" PAPERTNFTYP:09/04
WINDFALL TRAIL BRIDGE REPLACEMENT BRIDGE SUPERSTRUCTURE DETAILS
JUNEAU RANGER…
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