Drawings_-_Black_Bear_Bridge.pdf

PDF 6 MB Posted Apr 26, 2017

Attached to: Black Bear Trail Bridge Repair Project Federal contract opportunity
Solicitation number: AG-0343-S-17-0026
Issued by: Department of Agriculture Forest Service R1-Northern Region

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FSSS_-_Black_Bear_Bridge.pdf	PDF	Apr 26, 2017

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BLACK BEAR TRAIL BRIDGE REPAIRS

GENERAL NOTES

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

1-16155

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

PREPARED BY:

REGION ONE

GENERAL NOTES:

SPECIFICATIONS:

TIMBER AND LUMBER:

TREATMENT:

FIELD TREATMENT:

INSPECTION AND CERTIFICATION:

TIMBER FABRICATION:

FASTENERS:

HARDWARE AND STRUCTURAL STEEL:

MATERIAL TRANSPORT:

SALVAGE AND DISPOSAL OF EXISTING MEMBERS:

GENERAL SEQUENCE OF WORK:

CAMBER ADJUSTMENT PROCEDURES:

PHOTO #1 - BLACK BEAR SUSPENSION BRIDGE

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

PHOTO #2 - BLACK BEAR SUSPENSION BRIDGE

HANGER CABLE DETAIL

AutoCAD SHX Text F:\1-16155-FNF Black Bear Bridge\CADD 1-16155\Sheets\1-16155-02-Notes and Quantities.dwg

AutoCAD SHX Text MATERIALS AND CONSTRUCTION OF THIS STRUCTURE SHALL BE IN ACCORDANCE WITH THE STANDARD SPECIFICATIONS FOR CONSTRUCTION OF ROADS AND BRIDGES ON FEDERAL HIGHWAY PROJECTS, FP-03 (U.S. CUSTOMARY UNITS). TIMBER AND LUMBER FOR THIS PROJECT INCORPORATES BOTH SOLID SAWN AND DIMENSIONAL LUMBER. DIMENSIONAL LUMBER WILL BE DENOTED AS A 1x6, 2x6, OR 3x6. SOLID SAWN LUMBER WILL SHOW ACTUAL LUMBER DIMENSIONS IN INCHES, I.E. 2"x6" SHALL BE A 2-INCH BY 6-INCH BY X LENGTH PIECE OF LUMBER. SOLID SAWN TIMBER MEMBERS SHALL CONFORM TO THE REQUIREMENTS OF THE GRADING RULES AGENCY FOR THE SPECIES, TYPE, AND GRADE SPECIFIED BELOW. GLUED-LAMINATED MEMBERS SHALL CONFORM TO THE AMERICAN INSTITUTE OF TIMBER CONSTRUCTION (AITC) 117-2004 FOR THE COMBINATION, SPECIES, USE, AND APPEARANCE SPECIFIED BELOW. GLUED-LAMINATED MEMBERS - TOWER MEMBERS - COMBINATION 3, 4, OR 5 - DF/DF WET CONDITION USE AND INDUSTRIAL APPEARANCE - TOWER MEMBERS - COMBINATION 3, 4, OR 5 - DF/DF WET CONDITION USE AND INDUSTRIAL APPEARANCE TIMBER AND LUMBER MEMBERS - COASTAL REGION DOUGLAS FIR-LARCH, NO. 1 OR BETTER - COASTAL REGION DOUGLAS FIR-LARCH, NO. 1 OR BETTER GRADING RULES AGENCY - WWPA, WCLIB PRESERVATIVE TREATMENT SHALL BE IN ACCORDANCE WITH THE CURRENT AWPA SPECIFICATIONS USING THE TREATMENT MATERIALS LISTED BELOW. TREATMENT WILL COMPLY WITH THE REQUIREMENTS OF THE CURRENT EDITION OF WWPI'S "BEST MANAGEMENT PRACTICES FOR THE USE OF TREATED WOOD IN AQUATIC ENVIRONMENTS." GLUED-LAMINATES, BACKING PLANKS - AWPA U1, (USE CATEGORY UC4B) - AWPA U1, (USE CATEGORY UC4B) AWPA U1, (USE CATEGORY UC4B) PENTECHLOROPHENOL OR COPPER NAPHTHENATE (CuN) IN HEAVY OIL (TYPE A SOLVENT) COPPER NAPHTHENATE (CuN) IN HEAVY OIL (TYPE A SOLVENT) TRUSS TOP PLATE (HANDRAIL) - AWPA U1, (USE CATEGORY UC3B) - AWPA U1, (USE CATEGORY UC3B) AWPA U1, (USE CATEGORY UC3B) PENTECHLOROPHENOL OR COPPER NAPHTHENATE (CuN) IN LIGHT OIL (TYPE C SOLVENT) COPPER NAPHTHENATE (CuN) IN LIGHT OIL (TYPE C SOLVENT) ALL OTHER TIMBER AND LUMBER - AWPA U1, (USE CATEGORY UC3B) TIMBER AND LUMBER - AWPA U1, (USE CATEGORY UC3B) - AWPA U1, (USE CATEGORY UC3B) AWPA U1, (USE CATEGORY UC3B) PENTECHLOROPHENOL OR COPPER NAPHTHENATE (CuN) IN HEAVY OIL (TYPE A SOLVENT) COPPER NAPHTHENATE (CuN) IN HEAVY OIL (TYPE A SOLVENT) COPPER NAPHTHENATE (2% SOLUTION) SHALL BE FURNISHED FOR FIELD TREATING OF WOOD. ALL ABRASIONS AND FIELD CUTS - APPROVED BY THE C.O. - SHALL BE CAREFULLY TRIMMED AND GIVEN THREE BRUSH COATS OF THE FIELD TREATMENT SOLUTION. WHERE APPROVED FIELD DRILLING OF BOLT OR SCREW HOLES IS REQUIRED, THE HOLES SHALL BE POURED FULL OF PRESERVATIVE PRIOR TO INSERTING THE FASTENERS. THE FOLLOWING COMPLIANCE CERTIFICATES SHALL BE FURNISHED UPON DELIVERY: A. SUPPLIER CERTIFICATION, FROM A WWPA OR WCLIB APPROVED SUPPLIER, THAT ALL WOOD MATERIALS MET REQUIREMENTS AS TO SPECIES AND GRADE. SUPPLIER CERTIFICATION, FROM A WWPA OR WCLIB APPROVED SUPPLIER, THAT ALL WOOD MATERIALS MET 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 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 GLUED-LAMINATED MEMBERS WITH AITC 117-04. CERTIFICATION FROM A QUALIFIED INSPECTION AND TESTING AGENCY INDICATING CONFORMANCE OF ALL GLUED-LAMINATED MEMBERS WITH AITC 117-04. D. SUPPLIER CERTIFICATION THAT ALL TREATED WOOD MATERIALS WERE TREATED IN ACCORDANCE WITH AND MEET THE REQUIREMENTS OF WWPI'S "BEST MANAGEMENT PRACTICES FOR THE USE OF TREATED WOOD IN AQUATIC ENVIRONMENTS." SUPPLIER CERTIFICATION THAT ALL TREATED WOOD MATERIALS WERE TREATED IN ACCORDANCE WITH AND MEET THE REQUIREMENTS OF WWPI'S "BEST MANAGEMENT PRACTICES FOR THE USE OF TREATED WOOD IN AQUATIC ENVIRONMENTS." SUBMIT SHOP DRAWINGS FOR ALL BRIDGE COMPONENTS. SHOW ALL DIMENSIONS AND FABRICATION DETAILS FOR ALL CUT OR BORED TIMBER. FIELD DRILLING OF HOLES SHALL NOT BE ALLOWED UNLESS OTHERWISE NOTED ON THE PLANS. ALL NEW NON-BOLTED MEMBERS SHALL BE FASTENED WITH RUGGED STRUCTURAL SCREWS (RSS) FROM GRK FASTENERS [OR EQUAL] UNLESS OTHERWISE NOTED. STEEL HARDWARE EXCEPT RUGGED STRUCTURAL SCREWS SHALL BE UNCOATED BLACK STEEL AND SHALL MEET THE REQUIREMENTS OF AASHTO M270, GRADE 36, WITH NUTS AND BOLTS STEEL HARDWARE EXCEPT RUGGED STRUCTURAL SCREWS SHALL BE UNCOATED BLACK STEEL AND SHALL MEET THE REQUIREMENTS OF AASHTO M270, GRADE 36, WITH NUTS AND BOLTS CONFORMING TO ASTM A307, GRADE A. USE MALLEABLE IRON WASHERS AGAINST WOOD EXCEPT WHERE NOTED OTHERWISE. WHEN STRUCTURAL STEEL IS TO BE WELDED, THE WELDING PROCEDURE SHALL BE IN ACCORDANCE WITH AWS D1.1 AND SHALL BE SUITABLE FOR THE GRADE OF STEEL AND INTENDED USE. ACCESS TO THE BRIDGE IS OBTAINED BY UTILIZING THE SOUTH FORK OF THE FLATHEAD RIVER TRAIL #80A, 80B AND 80D FOR 13 MILES. THESE TRAILS ARE WELL SUITED FOR ANIMAL STOCK AND HIKERS. ACCESS TO THE BRIDGE IS OBTAINED BY UTILIZING THE SOUTH FORK OF THE FLATHEAD RIVER TRAIL #80A, 80B AND 80D FOR 13 MILES. THESE TRAILS ARE WELL SUITED FOR ANIMAL STOCK AND HIKERS. NO MATERIALS SHALL ENTER THE RIVER. CONTRACTOR IS RESPONSIBLE FOR REMOVING & SALVAGING TIMBER MATERIALS IDENTIFIED FOR REPLACEMENT HEREIN. THE CONTRACTOR SHALL TRANSPORT SALVAGABLE ITEMS TO EACH RESPECTIVE SIDE OF THE BRIDGE AND STOCKPILE THEM AT LOCATION(S) IDENTIFIED BY THE C.O. CONTRACTOR SHALL REMOVE NAILS, BOLTS AND OTHER HARDWARE FROM THE MEMBERS. MEMBERS MAY NOT BE CUT UNLESS APPROVED BY THE C.O. ALL OTHER WASTE MATERIALS & HARDWARE WILL BECOME THE PROPERTY OF THE CONTRACTOR AND SHALL BE REMOVED FROM FOREST SERVICE LANDS. THIS PROJECT HAS MANY ELEMENTS OF WORK THAT ARE INTERDEPENDENT. THE WORK SEQUENCE LISTED BELOW IS INTENDED TO REPRESENT THE GENERAL SEQUENCE OF MAJOR BRIDGE REPAIRS ITEMS TO FACILITATE THE MOST EFFICIENT CONSTRUCTION OF THE PROJECT. ALL WORK ITEMS ARE NOT INCLUDED BELOW. CONTRACTOR MAY PROPOSE ALTERNATE WORK SEQUENCE FOR REVIEW. THE SEQUENCE SHALL BE SUBMITTED TO THE C.O. FOR APPROVAL 15 DAYS PRIOR TO MOBILIZATION. 1. MEASURE AND RECORD BRIDGE CAMBER. REFER TO CAMBER ADJUSTMENT PROCEDURES FOR MEASURING CAMBER. MEASURE AND RECORD BRIDGE CAMBER. REFER TO CAMBER ADJUSTMENT PROCEDURES FOR MEASURING CAMBER. 2. TOWER REPLACEMENT - CONCURRENT WITH FOUNDATION REPAIRS & BACKING PLANK INSTALLATION. TOWER REPLACEMENT - CONCURRENT WITH FOUNDATION REPAIRS & BACKING PLANK INSTALLATION. 3. SUPERSTRUCTURE REPAIRS (INCLUDING EXPANSION JOINT). SUPERSTRUCTURE REPAIRS (INCLUDING EXPANSION JOINT). 4. MAIN AND APPROACH SPAN RUNNING PLANK & TOP PLATE INSTALLATION. (IF AWARDED) MAIN AND APPROACH SPAN RUNNING PLANK & TOP PLATE INSTALLATION. (IF AWARDED) 5. CAMBER ADJUSTMENT. CAMBER ADJUSTMENT. 6. CABLE LUBRICATION. CABLE LUBRICATION. 1. THE CURRENT BRIDGE IS SET AT A NON-UNIFORM EXISTING CAMBER. THE CONTRACTOR SHOULD MEASURE THE EXISTING CAMBER PRIOR TO REPLACING ANY BRIDGE MEMBERS AND ESTABLISH A UNIFORM CAMBER WITH THE C.O. VERIFY THE CURRENT BRIDGE IS SET AT A NON-UNIFORM EXISTING CAMBER. THE CONTRACTOR SHOULD MEASURE THE EXISTING CAMBER PRIOR TO REPLACING ANY BRIDGE MEMBERS AND ESTABLISH A UNIFORM CAMBER WITH THE C.O. VERIFY ELEVATIONS OF THE MAIN CABLE AND TOP OF FLOOR BEAMS WITH SURVEY EQUIPMENT. THE SAME PERSON SHOULD CONDUCT ALL MEASUREMENTS TO ENSURE DIFFERENTIAL WEIGHTS DO NOT AFFECT THE ELEVATIONS. NOTE THAT TEMPERATURE CHANGES WILL ALSO AFFECT THE CAMBER. 2. THE EXISTING HANGERS CONSIST OF BOTH CABLES AND CHAINS AND SHALL BE REUSED. THE EXISTING HANGERS CONSIST OF BOTH CABLES AND CHAINS AND SHALL BE REUSED. 3. IF ADJUSTMENTS ARE NEEDED THE FLOOR BEAM U-BOLTS MAY BE ADJUSTED OR THE TENSION CAN BE REMOVED FROM THE HANGER CABLES OR CHAINS BY ATTACHING A COME-ALONG BETWEEN THE MAIN SUSPENSION CABLE AND IF ADJUSTMENTS ARE NEEDED THE FLOOR BEAM U-BOLTS MAY BE ADJUSTED OR THE TENSION CAN BE REMOVED FROM THE HANGER CABLES OR CHAINS BY ATTACHING A COME-ALONG BETWEEN THE MAIN SUSPENSION CABLE AND FLOOR BEAM. THE LOAD SHOULD ALSO BE REMOVED FROM ADJACENT CABLES. POLYESTER SLINGS SHOULD BE USED FOR ATTACHMENTS TO THE CABLE AND FLOOR BEAM. CABLE CLAMPS SHALL BE REINSTALLED ACCORDING TO CROSBY INSTALLATION DETAILS AS SHOWN BELOW. 4. ADJUSTMENT SHOULD BE MADE BEGINNING AT MID-SPAN AND WORKING EQUALLY TO ADJACENT HANGERS TOWARDS THE TOWERS. ADJUSTMENT SHOULD BE MADE BEGINNING AT MID-SPAN AND WORKING EQUALLY TO ADJACENT HANGERS TOWARDS THE TOWERS.

AutoCAD SHX Text

ELEVATION VIEW - LOOKING DOWNSTREAM

AutoCAD SHX Text

LOOKING BACK ON-LINE

AutoCAD SHX Text

4 GALV. U-BOLT WIRE ROPE CLIPS PER END, EVENLY SPACED

AutoCAD SHX Text

EXISTING " GALVANIZED CABLE916" GALVANIZED CABLE

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EXISTING STANDARD GALV. WIRE ROPE THIMBLE

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NOT TO SCALE

AutoCAD SHX Text 12"

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(TOWER #2 IN FOREGROUND)

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(SEE SHEET 2 OF ORIGINAL PLANS)

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THIMBLE

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THIMBLE

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FIRST CLIP MUST BE TIGHT TO CABLE EYE

GOVERNMENT WORK ITEM SUMMARY

ITEM NO. DESCRIPTION

METHOD OF

MEASUREMENT

UNIT QUANTITY

LUMBER FINISH

N/A

TREATED STRUCTURAL TIMBER AND LUMBER, TRUSS TOP PLATE (INCLUDES REMOVAL OF EXISTING TOP

PLATE)

N/A MBF 0.30 S4S

N/A

TREATED STRUCTURAL TIMBER AND LUMBER, RUNNING PLANKS (INCLUDES REMOVAL OF EXISTING

PLANKS). INSTALL ELEVEN 2X4 TIMBER CLEATS AT APPROACH SPAN.

N/A MBF 1.01 S4S

N/A

TREATED STRUCTURAL TIMBER AND LUMBER, DIAGONAL LATTICE. REPLACE DAMAGED 1X6 LATTICE AS

DESIGNATED BY C.O. REFER TO DETAILS ON SHEET 4.

N/A Each 10.00 S4S

N/A

REPLACE EXPANSION JOINTS (4) IN TOP CHORD OF STIFFENING TRUSS. REPLACE 2X6 STIFFENING

TRUSS TOP CHORD ADJACENT TO EXPANSION JOINTS AS DESIGNATED BY C.O. REFER TO DETAILS ON

SHEET 4.

N/A

Lump Sum

1.00 S4S

BLACK BEAR TRAIL BRIDGE REPAIRS

WORK ITEM SUMMARY

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

1-16155

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

PREPARED BY:

REGION ONE

NORTH

F L

O W

BLACK BEAR TRAIL BRIDGE PLAN

BLACK BEAR TRAIL BRIDGE PROFILE

ABBREVIATION LEGEND

US = UPSTREAM

DS = DOWNSTREAM

RT = RIGHT (LOOKING DOWNSTREAM)

LT = LEFT (LOOKING DOWNSTREAM)

GLULAM = GLUED-LAMINATED

ABBREVIATION LEGEND

US = UPSTREAM

DS = DOWNSTREAM

RT = RIGHT (LOOKING DOWNSTREAM)

LT = LEFT (LOOKING DOWNSTREAM)

GLULAM = GLUED-LAMINATED

*INFORMATIONAL ONLY - NOT FOR BIDDING PURPOSES - REFER TO BID SCHEDULE

**FOR UNSPECIFIED WORK AT THE DIRECTION OF THE C.O.

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

TOWER NO.1

TOWER NO.2

WORK ITEM SUMMARY*

ITEM NO. DESCRIPTION

METHOD OF

MEASUREMENT

UNIT QUANTITY

LUMBER FINISH

15101 MOBILIZATION LSQ LS 1 N/A

15713 SOIL EROSION AND POLLUTION CONTROL LSQ LS 1 N/A

20304

REMOVAL OF EXISTING BRIDGE MEMBERS (GOV'T FURNISHED SITE)

LSQ LS 1 N/A

55502 BRIDGE CAMBER ADJUSTMENTS LSQ LS 1 N/A

55703a

TREATED STRUCTURAL TIMBER AND LUMBER, ONE NEW DECK PLANK NEAR TOWER #1 AND ONE NEW DECK

PLANK NEAR TOWER #2. INSTALL 60 SF OF RUNNING PLANKS (5' LONG DOUBLE LAYER & FULL WIDTH - 6').

CQ MBF 0.13 S4S

55703b

TREATED STRUCTURAL TIMBER & LUMBER, BACKING PLANKS AT TOWER #1. REFER TO DETAILS ON SHEET

LSQ LS 1 S4S

55703c

TREATED STRUCTURAL TIMBER & LUMBER, NEW DIAGONAL TOWER BRACING. REFER TO DETAILS ON

SHEETS 6 & 8.

CQ MBF 0.25 N/A

55703d

TREATED STRUCTURAL TIMBER & LUMBER, SISTER STRINGERS (4') AT TOWER CONNECTIONS POINTS AT

ALL STRINGERS. ADD HIGH DENSITY PLASTIC BEARING SHIMS TO INTERMEDIATE BRACE, STRINGERS &

LOWER TRUSS CHORD TO PROVIDE SLIP-PLANE. INSTALL CABLES TO SECURE STRINGERS TO

INTERMEDIATE BRACE.

LSQ LS 1 N/A

55705

TREATED STRUCTURAL TIMBER, GLUE-LAMINATED, TOWER MEMBERS - REPLACE BOTH MAIN SPAN

TOWERS AND INSTALL SILLS. REFER TO DETAILS ON SHEETS 6-9.

LSQ LS 1 N/A

56101 CONCRETE FOUNDATION REPAIRS - PATCHES AND PROTECTIVE SEALANT. REFER TO DETAILS ON SHEET 5. LSQ LS 1 N/A

62301** GENERAL LABOR AQ HR 16 N/A

63801

BRIDGE CABLE LUBRICATION - LUBRICATE ALL MAIN SUSPENSION AND HANGER CABLES WITH PRELUBE 19

PRESERVATIVE LUBRICANT.

LSQ LS 1 N/A

TRAIL 80D

APPROACH SPAN

NOTE:

1. WORK DENOTED AS GOVERNMENT WORK ITEMS ARE TO BE

COMPLETED BY THE GOVERNMENT AND THUS ARE NOT PART OF

THE CONTRACT.

AutoCAD SHX Text I:\AutoCAD\Template - Civil 3D\Sheet - USFS Plan & Profile - C3D.dwg

AutoCAD SHX Text

HORIZONTAL SCALE: 1" = 30'

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VERTICAL SCALE: 1" = 30'

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SCALE IN FEET

AutoCAD SHX Text 56101

AutoCAD SHX Text 55705

AutoCAD SHX Text 11'-9"

AutoCAD SHX Text 63801

AutoCAD SHX Text 55703a

AutoCAD SHX Text 55703b

AutoCAD SHX Text 55703d

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TO BLACK BEAR CABIN

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EXISTING TIMBER FENCE (TYP.). CONTRACTOR TO REMOVE & RESET AS NEEDED.

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EXCAVATE APPROX. 2 CY OF MATERIAL TO DECREASE TRAIL ELEVATION (GOV'T WORK ITEM)

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NEW WATER BAR & SOIL RETENTION (GOV'T WORK ITEM)

AutoCAD SHX Text REMOVE END 5' OF RUNNING PLANKS & REPLACE W/2 LAYERS OF FULL WIDTH RUNNING PLANKS (ITEM 55703a)

AutoCAD SHX Text

REMOVE EXISTING CLEATS AND REPLACE WITH NEW CLEATS (GOV'T WORK ITEM)

AutoCAD SHX Text 55703d

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TRUSS EXP. JOINT #1

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TRUSS EXP. JOINT #2

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REMOVE & REPLACE RUNNING PLANKS (GOV'T WORK ITEM)

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REPLACE 10 LATTICE MEMBERS (GOV'T WORK ITEM)

REPLACE TOP CHORD EXPANSION JOINTS (GOV'T WORK ITEM)

MAIN SPAN TYPICAL PLAN, ELEVATION & SECTION

1-16155

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

REGION ONE

PREPARED BY:

BLACK BEAR TRAIL BRIDGE REPAIRS

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

TYPICAL SUPERSTRUCTURE PLAN

A A

TYPICAL SUPERSTRUCTURE ELEVATION

RUNNING PLANK & DECK DETAIL

TYPICAL MAIN SPAN SECTION

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

APPROACH SPAN - CLEAT DETAIL

AutoCAD SHX Text F:\1-11215 IPNF Bear Ck Trail Suspension Bridge\CADD 1-11215\Sheets\1-11215-04-Elev&Plan.dwg

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NOT TO SCALE

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NOT TO SCALE

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NOT TO SCALE

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AutoCAD SHX Text NEW DECK PLANK (TYP.) AT TWO LOCATIONS (ONE NEAR TOWER 1 AND ONE NEAR TOWER 2) 516" X 5 " RUGGED STRUCTURAL SCREW [OR EQUIVALENT] 18" RUGGED STRUCTURAL SCREW [OR EQUIVALENT] (TYP.) 2 PER PLANK PER STRINGER. SPACE SCREWS MIN. 2" FROM EDGE OF PLANK. (ITEM 55703a)

AutoCAD SHX Text RUNNING PLANK (TYP.) FASTEN RUNNING PLANKS TO DECK PLANKS WITH TWO ROWS OF 3" RING SHANK NAILS PER PLANK. STAGGER AS SHOWN EXCEPT AT SPLICE. STAGGER SPLICES A MINIMUM OF 3' BETWEEN RUNS. SPACE NAILS MIN. 2" FROM EDGE. (GOV'T WORK ITEM)

AutoCAD SHX Text

STRINGERS

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ENSURE " GAP FOR 12" GAP FOR "SELF CLEANING" DECK PLANKS

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NOT TO SCALE

AutoCAD SHX Text A-A

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AutoCAD SHX Text ADD HIGH DENSITY PLASTIC SHIMS: - ON TOP OF INTERMEDIATE BRACE (12) - ON BASE OF STRINGERS (BOTH SISTERED & EXISTING) (8) - ON BOTTOM TRUSS CHORD (4) REFER TO DETAIL (PAID UNDER ITEM 55703d)

AutoCAD SHX Text

DECK PLANK

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RUNNING PLANK (TYP.)

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RAIL BRACE (TYP.)

AutoCAD SHX Text EXISTING 2x6 TOP STIFFENING TRUSS CHORD (2 UPSTREAM & DOWNSTREAM TYP.)

AutoCAD SHX Text EXISTING 2x6 BOTTOM STIFFENING TRUSS CHORD (2 UPSTREAM & DOWNSTREAM TYP.)

AutoCAD SHX Text NEW 2x6 TOP PLATE FASTEN WITH 2 ROWS OF 516" x 3 " RUGGED 12" RUGGED STRUCTURAL SCREWS (OR EQUIVALENT) @ 18" O.C. (GOV'T WORK ITEM)

AutoCAD SHX Text SISTER NEW 1 " x 7 " x 4'-0" TIMBER 34" x 7 " x 4'-0" TIMBER 34" x 4'-0" TIMBER MEMBERS TO EXISTING STRINGERS AT BRIDGE TOWER ENDS DUE TO SECTION LOSS. ATTACH WITH " x 3 " RUGGED STRUCTURAL SCREWS 516" x 3 " RUGGED STRUCTURAL SCREWS 18" RUGGED STRUCTURAL SCREWS [OR EQUIVALENT] AT 15" O.C. (2 ROWS). MINIMUM 1 " CLR. AT STRINGER ENDS. 12" CLR. AT STRINGER ENDS. (PAID UNDER ITEM 55703d)

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TIMBER CURB RAIL (TYP.)

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FLOOR BEAM (TYP.)

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CURB (TYP.)

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(3) 1 " X 9 " 34" X 9 " 12" RUNNING PLANKS (TYP.)

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1 " X 11 " X 7'-0" 34" X 11 " X 7'-0" 12" X 7'-0" DECK PLANKS (TYP.)

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STRINGERS

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RAIL BRACE (TYP.)

AutoCAD SHX Text 2x6 TRUSS STIFFENING CHORDS (2 UPSTREAM & 2 DOWNSTREAM, TOP & BOTTOM TYP.)

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HANGER CABLE

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MAIN SUSPENSION CABLES

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FLOOR BEAM

AutoCAD SHX Text 3x6 RAIL BRACE

AutoCAD SHX Text 1x6 TRUSS DIAGONALS. REPLACE (10) MEMBERS AS DESIGNATED BY THE C.O. RE-USE EXISTING HARDWARE. FIELD CUT ENDS. PROVIDE LENGTH OF 7'-6" TO ACCOUNT FOR ON-SITE VARIABILITY. (GOV'T WORK ITEM)

AutoCAD SHX Text NEW 2x6 TOP PLATE (GOV'T WORK ITEM)

AutoCAD SHX Text 2x6 TRUSS BOTTOM STIFFENING CHORDS (2 UPSTREAM & 2 DOWNSTREAM TYP.)

AutoCAD SHX Text 2x6 TRUSS TOP STIFFENING CHORDS (2 UPSTREAM & 2 DOWNSTREAM TYP.)

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FLOOR BEAM (TYP.)

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CABLE CLAMP (SEE DETAIL ON SHEET 2)2))

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NOT TO SCALE

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AutoCAD SHX Text REMOVE EXISTING TIMBER CLEATS & INSTALL NEW 2 x 4 x 2'-5" CLEATS AT EXISTING LOCATIONS (11 TOTAL). FASTEN CLEATS TO RUNNING PLANKS WITH TWO ROWS OF 4" RING SHANK NAILS SPACED @ 10"± CENTERS. SPACE NAILS A MIN. 2"FROM EDGE. (GOV'T WORK ITEM)

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34" GAP (TYP.)

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34" GAP (TYP.)

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MAIN SPAN DETAILS

FLATHEAD NATIONAL FOREST

TRAIL NO. 80D - M.P. 0.50

1-16155

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

PREPARED BY:

REGION ONE

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

B B

A A

PLASTIC SHIM BEARING DETAIL

PLAN VIEW SECTION A-A SECTION B-B

NOTE:

EXPANSION JOINT IN TOP CHORD OF TRUSS - GOV'T WORK ITEM

ELEVATION

EXPANSION TUBE DETAIL

CROSS-SECTION

PLAN

EXPANSION JOINT

SUMMARY

DESCRIPTION UNIT QUANTITY

EXPANSION JOINTS EA 4

2 X 6 TOP CHORDS EA 4 @ 8'-9" (#1 JOINT)

4 @ 6'-0" (#2 JOINT)

AutoCAD SHX Text I:\AutoCAD\Template - Civil 3D\Sheet - USFS Plan & Profile - C3D.dwg

AutoCAD SHX Text 8d NAIL (TYP.)

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CABLE LOOP (TYP.) (SEE SHEET 7)7))

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EXISTING STRINGER

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NEW SISTER STRINGER

AutoCAD SHX Text 116" x 9" x 3 " HIGH 34" HIGH DENSITY PLASTIC SHIM (UPPER)

AutoCAD SHX Text 116" x 6 " x 6" HIGH 34" x 6" HIGH HIGH DENSITY PLASTIC SHIM (LOWER)

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INTERMEDIATE TOWER BRACE

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NOT TO SCALE

AutoCAD SHX Text

STRINGER

AutoCAD SHX Text

UPPER SHIM

AutoCAD SHX Text

LOWER SHIM

AutoCAD SHX Text 8d NAIL (TYP.)

AutoCAD SHX Text

INTERMEDIATE TOWER BRACE

AutoCAD SHX Text

STRINGER

AutoCAD SHX Text

INTERMEDIATE TOWER BRACE

AutoCAD SHX Text

UPPER SHIM

AutoCAD SHX Text

LOWER SHIM

AutoCAD SHX Text 8d NAIL (TYP.)

AutoCAD SHX Text

CABLE LOOP (TYP.) (SEE SHEET 7)7))

AutoCAD SHX Text

CABLE LOOP (TYP.) (SEE SHEET 7)7))

AutoCAD SHX Text 1 "12"

AutoCAD SHX Text DETAIL IS SIMILAR FOR STIFFENING TRUSS BOTTOM CHORD. UPPER SHIM: " x 9" x 4 " HIGH DENSITY PLASTIC SHIM 116" x 9" x 4 " HIGH DENSITY PLASTIC SHIM 12" HIGH DENSITY PLASTIC SHIM LOWER SHIM: " x 7 " x 6" HIGH DENSITY PLASTIC SHIM116" x 7 " x 6" HIGH DENSITY PLASTIC SHIM12" x 6" HIGH DENSITY PLASTIC SHIM

AutoCAD SHX Text 34" x 3" SLOTTED HOLES

AutoCAD SHX Text

34" HOLES

AutoCAD SHX Text 58" x 612" BOLTS WITH CUT WASHERS (TYP.). FIELD DRILL " HOLES IN TRUSS 34" HOLES IN TRUSS(DOUBLE NUTS). LEAVE BOLTS IN SLOTTED HOLES LOOSE TO ALLOW MOVEMENT.

AutoCAD SHX Text

FIELD DRILL " HOLES IN 34" HOLES INSTIFFENING TRUSS CHORDS

AutoCAD SHX Text 3 " x " x 2'-0" UNCOATED STEEL 12" x " x 2'-0" UNCOATED STEEL 14" x 2'-0" UNCOATED STEEL PLATE EA. SIDE (OUTSIDE) OF TRUSS. MATCH HOLES IN EXPANSION TUBE.

AutoCAD SHX Text HSS 3x1 x MAY BE USED FOR THE INTERIOR TUBE. IF A BUILT UP TUBE IS USED, MAKE FROM " UNCOATED STEEL PLATE 12x MAY BE USED FOR THE INTERIOR TUBE. IF A BUILT UP TUBE IS USED, MAKE FROM " UNCOATED STEEL PLATE 316 MAY BE USED FOR THE INTERIOR TUBE. IF A BUILT UP TUBE IS USED, MAKE FROM " UNCOATED STEEL PLATE 316" UNCOATED STEEL PLATE (TYP. OF ALL) AND ENSURE WELDS ARE ON 1 " FACE.12" FACE.

AutoCAD SHX Text NEW 2x6 TOP PLATE

PLATE

AutoCAD SHX Text

NOT TO SCALE

AutoCAD SHX Text

AutoCAD SHX Text REPLACE 2x6 TOP CHORD, BOTH SIDES. REFER TO ORIGINAL DRAWINGS FOR CONNECTION DETAILS. SUPPLY NEW HARDWARE. (SEE TABLE BELOW)

AutoCAD SHX Text

GREASE OUTSIDE OF TUBE AND INSIDE OF PLATE

AutoCAD SHX Text NEW 2x6 TOP PLATE ATTACH TO TOP CHORDS WITH " x 3 " RUGGED 516" x 3 " RUGGED 12" RUGGED STRUCTURAL SCREWS (OR EQUIVALENT) @ 18" O.C. TOP PLATES TO BE MAX. 8'-0" LENGTH.

AutoCAD SHX Text

14" STEEL SPLICE PLATE (BOTH FACES)

AutoCAD SHX Text

(2) NEW 2x6 TOP CHORDS (REFER TO LENGTHS IN TABLE BELOW)

AutoCAD SHX Text REPLACE 2x6 TOP CHORD, BOTH SIDES. REFER TO ORIGINAL DRAWINGS FOR CONNECTION DETAILS. SUPPLY NEW HARDWARE. (SEE TABLE BELOW)

AutoCAD SHX Text

GRIND FRONT EDGES SMOOTH AND ROUNDED TO PREVENT BINDING

AutoCAD SHX Text

14" STEEL SPLICE PLATE

AutoCAD SHX Text

14" STEEL SPLICE PLATE

AutoCAD SHX Text 3 " x 1 " EXPANSION TUBE 12" x 1 " EXPANSION TUBE 12" EXPANSION TUBE (SEE EXPANSION TUBE DETAIL)

AutoCAD SHX Text

SLOTTED HOLES IN TUBE AND STEEL PLATES

AutoCAD SHX Text 2x6 TOP CHORDS

EXPANSION TUBE

FOUNDATION REPAIR DETAILS

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

REGION ONE

PREPARED BY:

BLACK BEAR TRAIL BRIDGE REPAIRS

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

SECTION - PEDESTAL REPAIR

TOWER #1 PEDESTAL UPSTREAM FACING APPROACH

PEDESTAL REPAIR NOTES:

REPAIR MATERIALS:

CONCRETE PEDESTALS ELEVATION

TOWER #2 PEDESTAL DOWNSTREAM FACING APPROACH

TOWER #2 PEDESTAL UPSTREAM FACING APPROACHTOWER #1 PEDESTAL DOWNSTREAM FACING APPROACH

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

CONCRETE PEDESTAL REPAIR

SUMMARY

LOCATION DIRECTION REPAIRS

TOWER #1 PEDESTALS UPSTREAM

5 SF PATCHES AT DELAMINATED AREAS

(UP TO 2" DEPTH). SURFACE COAT.

DOWNSTREAM

10 SF PATCHES (UP TO 1" DEPTH).

SURFACE COAT.

TOWER #2 PEDESTALS UPSTREAM

ADD

" LEVELING (UNDER SILL ONLY).

SURFACE COAT.

DOWNSTREAM

ADD 1" LEVELING (UNDER SILL ONLY).

SURFACE COAT.

PHOTO #1 - PHOTO #3 -

PHOTO #2 - PHOTO #4 -

AutoCAD SHX Text F:\1-16155-FNF Black Bear Bridge\CADD 1-16155\Sheets\1-16155-05-Found Details.dwg

AutoCAD SHX Text 2'-0" ±

AutoCAD SHX Text

(EXISTING PEDESTAL)

AutoCAD SHX Text

SCALE: 1/2" = 1'-0"

AutoCAD SHX Text

FULL REPAIR AND SEAL

AutoCAD SHX Text INTENT OF CONCRETE PEDESTAL REPAIRS IS TO PROTECT THE CONCRETE BY COMPLETING PATCHING AND INSTALLING A PROTECTIVE SEALANT. 1. SHORE THE TOWERS PRIOR TO CONDUCTING THE REPAIRS. THE AREA UNDER THE TOWER SILLS SHALL BE SHORE THE TOWERS PRIOR TO CONDUCTING THE REPAIRS. THE AREA UNDER THE TOWER SILLS SHALL BE COMPLETELY COVERED WITH PROTECTIVE SEALANT. 2. EXCAVATE BELOW EXISTING GROUND LEVEL AT BASE OF PEDESTALS 12"-18" PRIOR TO BEGINNING EXCAVATE BELOW EXISTING GROUND LEVEL AT BASE OF PEDESTALS 12"-18" ± PRIOR TO BEGINNINGREPAIRS. AFTER REPAIRS ARE COMPLETE RESTORE DISTURBED GROUND TO PRE-REPAIR CONDITION 3. THE CONTRACTOR IS RESPONSIBLE FOR REMOVING ALL LOOSE AND DETERIORATED CONCRETE AND ALL OTHER THE CONTRACTOR IS RESPONSIBLE FOR REMOVING ALL LOOSE AND DETERIORATED CONCRETE AND ALL OTHER BOND INHIBITING MATERIAL PRIOR TO PATCH REPAIRS OR PROTECTIVE SEALANT. REFER TO MANUFACTURER REQUIREMENTS FOR SURFACE PREPARATION. SATURATE SURFACE WITH CLEAN WATER. NO STANDING WATER SHOULD BE PRESENT AT THE TIME OF APPLICATION. PATCH REPAIRS GREATER THAN 1/2" DEPTH: SIKATOP 111 PLUS [OR APPROVED EQUAL] SIKATOP 111 PLUS [OR APPROVED EQUAL] PROTECTIVE SURFACING MATERIAL: SIKATOP SEAL 107 [OR APPROVED EQUAL] (ALL CEMENTITIOUS SURFACES). SIKATOP SEAL 107 [OR APPROVED EQUAL] (ALL CEMENTITIOUS SURFACES). TWO COATS OF SURFACING MATERIAL ARE REQUIRED. APPLY 1ST COAT WITH HORIZONTAL BRUSH OR TROWEL STROKES AND LEAVE TO HARDEN (4-8 HOURS). APPLY 2ND COAT WITH VERTICAL BRUSH STROKES.

AutoCAD SHX Text REMOVE SPALLED OR CRACKED CONCRETE DOWN TO SOUND MATERIAL PRIOR TO APPLYING PROTECTIVE COATING

AutoCAD SHX Text

PEDESTAL & TOWER

AutoCAD SHX Text

EXISTING CONCRETE PEDESTAL

AutoCAD SHX Text

STREAM FACE

AutoCAD SHX Text

EXISTING FACE OF PEDESTAL CONCRETE

AutoCAD SHX Text

SCALE: 1/4" = 1'-0"

AutoCAD SHX Text

FULL REPAIR & SEAL

AutoCAD SHX Text

FULL REPAIR & SEAL

AutoCAD SHX Text

FULL REPAIR AND SEAL

AutoCAD SHX Text

PROTECTIVE COATING WITH TWO COATS OF TOP SEAL (SIKATOP SEAL 107) ON ALL SURFACES

AutoCAD SHX Text 12"

AutoCAD SHX Text

TOP OF EXISTING CONCRETE

AutoCAD SHX Text

LEVEL

AutoCAD SHX Text

NEW SILL

AutoCAD SHX Text

CONCRETE PEDESTAL (TYP.)

AutoCAD SHX Text

REPAIR DELAMINATED AREA WITH SIKATOP 111 PLUS

USE GROUT UNDER SILL FOR LEVELING (TYP.)

TOWER #1 ELEVATION & SECTION

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

NOTES:

TOWER #1 - TRANSVERSE ELEVATION

BLACK BEAR TRAIL BRIDGE REPAIRS

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

TOWER #1 - VERTICAL SECTION

DIAGONAL BRACE TABLE - TOWER 1

MEMBER # OF MEMBERS LOCATION TYPE*

DB1 2 FILL FACE RS 2" x 8" x 7'-10"

DB2 2 STREAM FACE RS 2" x 8" x 7'-4"

DB3 2 FILL FACE RS 2" x 8" x 7'-0"

DB4 2 STREAM FACE RS 2" x 8" x 6'-10"

DB5 2 FILL FACE RS 2" x 8" x 7'-6"

DB6 2 STREAM FACE RS 2" x 8" x 5'-8"

PEDESTALPEDESTAL

SECTION A-A - BACKING PLANKS

A A

SECTION B-B - BACKING PLANKS & BRACE

FILL FACE

STREAM FACE

B B

FILL FACE

STREAM FACE

STRINGER

AutoCAD SHX Text F:\1-11237-LCNF Medicine Springs Bridge\CADD 1-11237\Sheets\1-11237-08-Tower.dwg

AutoCAD SHX Text

1. SPLICE IN GLUED-LAMINATED SILL MEMBER SHALL BE ALONG GLUED PLANE. SPLICE IN GLUED-LAMINATED SILL MEMBER SHALL BE ALONG GLUED PLANE. 2. CONTRACTOR TO UTILIZE TEMPORARY CONNECTION BETWEEN CAP AND VERTICAL AND CONTRACTOR TO UTILIZE TEMPORARY CONNECTION BETWEEN CAP AND VERTICAL AND BATTERED POST UNTIL GUSSET PLATES CAN BE INSTALLED FOLLOWING THE RELEASE OF MAIN CABLE JACKING ASSEMBLY. CONTRACTOR SHALL SUBMIT TEMPORARY CONNECTION DETAIL FOR REVIEW PRIOR TO CONSTRUCTION. 3. TOWER MEMBERS DESIGNED AS "PACKABLE" MEMBERS. TOWER MEMBERS DESIGNED AS "PACKABLE" MEMBERS. 4. CONTRACTOR TO PRE-ASSEMBLE EACH TOWER FOR INSPECTION PRIOR TO CONTRACTOR TO PRE-ASSEMBLE EACH TOWER FOR INSPECTION PRIOR TO TRANSPORTING MATERIALS AND SHIP ASSEMBLED TO THE MEADOW CREEK TRAILHEAD. UPON ACCEPTANCE, THE CONTRACTOR SHALL DISASSEMBLE THE TOWERS IN ANTICIPATION OF THE TRANSPORT TO THE PROJECT SITE.

AutoCAD SHX Text

SCALE: 1/4" = 1'-0"

AutoCAD SHX Text A

AutoCAD SHX Text

POST

AutoCAD SHX Text

SCALE: 1/4" = 1'-0"

AutoCAD SHX Text B

AutoCAD SHX Text

STEEL GUSSET PLATE ON EACH FACE. SEE DETAILS ON SHEET 12. 12. .

AutoCAD SHX Text

SADDLE & VERTICAL POST

AutoCAD SHX Text

TOWER

AutoCAD SHX Text

SADDLE & VERTICAL POST

AutoCAD SHX Text 12" x 12 " GL CAP12" GL CAP

AutoCAD SHX Text

POST

AutoCAD SHX Text

POST

AutoCAD SHX Text

POST

AutoCAD SHX Text RE-USE EXISTING 4" x 8" x 13'-0" ROUGH SAWN BRACE (INCIDENTAL TO ITEM 55705)

AutoCAD SHX Text

BEARING

AutoCAD SHX Text 6 " x 12 " GL SILL14" x 12 " GL SILL12" GL SILL

AutoCAD SHX Text 12" x 12 " GL VERTICAL POST12" GL VERTICAL POST

AutoCAD SHX Text 12" x 12 " GL BATTERED POST12" GL BATTERED POST GL BATTERED POST

AutoCAD SHX Text

UNCOATED ANGLES (TYP.). SEE DETAILS ON SHEET 12.12..

AutoCAD SHX Text

(4) " X 9" LAG 34" X 9" LAGSCREWS IN CABLE SADDLE (PER SADDLE)

AutoCAD SHX Text

(4) ANCHORS PER PEDESTAL WITH " 34" THREADED ROD. FIELD DRILL 1" HOLES IN CONCRETE AND SECURE TO CONCRETE WITH HILTI HVA ADHESIVE. EMBED 12" (MIN.).

AutoCAD SHX Text 14" CABLE TOSECURE EACH STRINGER TO INTERMEDIATE BRACE. LOOP CABLE OVER TOP OF STRINGER BETWEEN DECK PLANKS. SECURE WITH 2 CABLE CLAMPS. POSITION CLAMPS TO NOT DAMAGE LUMBER DURING USE. (PAID UNDER ITEM 55703d).

AutoCAD SHX Text

STEEL GUSSET PLATE ON EACH FACE OF NEW GL CAP. SEE DETAILS ON SHEET 12. 12. .

AutoCAD SHX Text 79.24°

AutoCAD SHX Text RE-USE EXISTING 4" x 8" x 13-0" ROUGH SAWN BRACE

AutoCAD SHX Text 516" X 5 " RUGGED STRUCTURAL 18" RUGGED STRUCTURAL SCREW [OR EQUAL] (TYP.) 4 PER BRACE INTERSECTION ON TOWER. SPACE SCREWS MIN. 1 " FROM 1 " FROM 12" FROM EDGE OF DIAGONAL. SCREWS ON STREAM FACE NOT SHOWN FOR CLARITY.

AutoCAD SHX Text 34" x 20" MACHINE BOLT W/MALLEABLE IRON WASHERS, FIELD DRILL " HOLES 78" HOLES(TYP. BOTH SIDES)BOTH SIDES)

AutoCAD SHX Text CUTOUTS WILL BE NECESSARY IN DIAGONALS WHEN IN CONFLICT WITH VERTICAL/BATTERED POST HARDWARE. USE HOLE SAW SIZED TO FIT MALLEABLE WASHER OR OTHER APPROVED METHOD.

AutoCAD SHX Text *LENGTH IS MAXIMUM PRE-CUT LENGTH WITH AN ADDITIONAL 1". ALL DIAGONAL BRACES TO BE FIELD CUT.

AutoCAD SHX Text

REMOVE EXISTING SADDLE AND REPLACE WITH NEW SADDLE (SEE DETAILS ON SHEET 12)12))

AutoCAD SHX Text REMOVE EXISTING 3" x 12" x 14'-0" ROUGH SAWN BRACE & ADD TWO 3" x 12" x 14'-0" ROUGH SAWN SECTIONS FROM EXISTING TOWER MEMBER. LUMBER MUST BE APPROVED BY THE C.O. (INCIDENTAL TO ITEM 55705)

AutoCAD SHX Text

SCALE: 1/2" = 1'-0"

AutoCAD SHX Text

SCALE: 1/2" = 1'-0"

AutoCAD SHX Text

(2) SALVAGED 3" x 12" x 16'-0" BACKING PLANKS

AutoCAD SHX Text NEW 3" x 6" x 26'-6" (TOTAL LENGTH, 4 SECTIONS) BACKING PLANK

AutoCAD SHX Text INTERMEDIATE BRACE. UTILIZE SALVAGED 3" x 12" x 14'-0" SECTIONS FROM TOWER MEMBERS. (LUMBER APPROVED BY THE C.0.)

AutoCAD SHX Text

SILL

AutoCAD SHX Text 34" x 24" MACHINE BOLTW/ MALLEABLE IRON WASHERS

AutoCAD SHX Text

2 LINES OF 5" RING SHANK NAILS AS SHOWN IN ELEVATION VIEW

AutoCAD SHX Text

(TYP.)

AutoCAD SHX Text SALVAGED 3" x 12" VERTICAL NAILER (TYP. SEE SECTION B-B)

AutoCAD SHX Text NEW 3" x 6" x 26'-6" (TOTAL LENGTH, 4 SECTIONS) BACKING PLANK (SEE SECTIONS A-A & B-B THIS SHEET). FIELD VERIFY WIDTH DIMENSION.

AutoCAD SHX Text

(2) 3" x 12" x 16'-0" BACKING PLANKS SALVAGED FROM TOWER MEMBERS. LUMBER MUST BE APPROVED BY THE C.O. (INCIDENTAL TO ITEM 55705, SEE SECTIONS THIS SHEET)

AutoCAD SHX Text

EX. GROUND (APPROX.)

AutoCAD SHX Text

EXCAVATION & EMBANKMENT AS NECESSARY TO COMPLETE REPAIRS (INCIDENTAL TO PROJECT)

AutoCAD SHX Text

NOTCH BACKING PLANKS AT VERTICAL LEG STITCH BOLT CONNECTION

AutoCAD SHX Text

SILL

AutoCAD SHX Text 58" x 8" MACHINE BOLT W/MALLEABLE IRON WASHERS

AutoCAD SHX Text NEW 3" x 6" x 26'-6" (TOTAL LENGTH, 4 SECTIONS) BACKING PLANK

AutoCAD SHX Text

DECK

AutoCAD SHX Text

RUNNING PLANKS (DOUBLE LAYER)

AutoCAD SHX Text

BEVEL END 1"

AutoCAD SHX Text

INTERMEDIATE BRACE

AutoCAD SHX Text

TRIM INTERMEDIATE BRACE AND DECK PLANKS FOR CABLES

AutoCAD SHX Text SALVAGED 3" x 12" VERTICAL NAILER

AutoCAD SHX Text

5" RING SHANK NAIL

AutoCAD SHX Text SALVAGED 3" x 12" x 16'-0" BACKING PLANK (TYP.)

AutoCAD SHX Text

2 LINES OF 5" RING SHANK NAILS @ 24" O.C. IN TO SILL

AutoCAD SHX Text

VERTICAL TOWER LEG

AutoCAD SHX Text

2 LINES OF 5" RING SHANK NAILS @ 24" O.C. INTO SILL (TYP.)

COVER ENTIRE FACE OF BACKWALL WITH 30# ROOFING FELT

TOWER #1 MEMBER DETAILS

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

REGION ONE

PREPARED BY:

BLACK BEAR TRAIL BRIDGE REPAIRS

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

TOWER #1 SILL MEMBER

ELEVATION

PLAN

NOTE:

TOWER #1 VERTICAL LEG MEMBER

PLAN

TOWER #1 BATTERED LEG MEMBER

PLAN

ELEVATION

BASE

TOP

BASE

TOP

TOWER #1 & TOWER #2 CAP MEMBER

ELEVATION

PLAN

NOTES:

ELEVATION

TOP

NOTE: ENSURE 1" POSITIVE

CAMBER ON CAP MEMBER

TOP

BTM

AutoCAD SHX Text F:\1-11237-LCNF Medicine Springs Bridge\CADD 1-11237\Sheets\1-11237-09-TowerMembers.dwg

AutoCAD SHX Text

SCALE: 3/8" = 1'-0"

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

(2)-3 " X 12 " 18" X 12 " 12" GLUED-LAMINATED SPLICED MEMBER (TYP.)

AutoCAD SHX Text EMBED SILL STITCH BOLTS AT LOCATIONS SHOWN STITCH BOLTS AT LOCATIONS SHOWN TO ENSURE A FLUSH FINISH (TYP.). FILL HOLES WITH WOOD FILLER AFTER INSTALLATION.

AutoCAD SHX Text

(2) " X 5 " STITCH BOLTS 34" X 5 " STITCH BOLTS 12" STITCH BOLTS STITCH BOLTS W/ MALLEABLE IRON WASHERS

AutoCAD SHX Text

MALLEABLE IRON WASHER, TYP. AGAINST WOOD

AutoCAD SHX Text

1316" HOLE (TYP.)FOR " STITCH 34" STITCHBOLTS

AutoCAD SHX Text 3"

AutoCAD SHX Text

SCALE: 3/8" = 1'-0"

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

(4)-3 " X 12" 18" X 12" GLUED-LAMINATED SPLICED MEMBER (TYP.)

AutoCAD SHX Text

SCALE: 3/8" = 1'-0"

AutoCAD SHX Text

1316" HOLE (TYP.) FOR34" STITCH BOLTS

AutoCAD SHX Text

MALLEABLE IRON WASHER, TYP. AGAINST WOOD

AutoCAD SHX Text 3"

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

(4)-3 " X 12" 18" X 12" GLUED-LAMINATED SPLICED MEMBER (TYP.)

AutoCAD SHX Text

1316" HOLE (TYP.) FOR34" STITCH BOLTS

AutoCAD SHX Text 3"

AutoCAD SHX Text

SCALE: 1/4" = 1'-0"

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

SPLICE

AutoCAD SHX Text

(4)-3 " X 12" 18" X 12" GLUED-LAMINATED SPLICED MEMBER (TYP.)

AutoCAD SHX Text

1316" HOLE (TYP.) FOR34" STITCH BOLTS

AutoCAD SHX Text

MALLEABLE IRON WASHER, TYP. AGAINST WOOD

AutoCAD SHX Text

1. ALL TOWER MEMBERS SHALL BE GLUED-LAMINATED UNLESS OTHERWISE NOTED. ALL TOWER MEMBERS SHALL BE GLUED-LAMINATED UNLESS OTHERWISE NOTED. 2. GLUED-LAMINATED MEMBERS SHALL BE FABRICATED TO THE FULL LENGTH SHOWN GLUED-LAMINATED MEMBERS SHALL BE FABRICATED TO THE FULL LENGTH SHOWN ON THE PLANS, SPLICE JOINTS SHALL BE PLUMB CUT FOR CAMBERED CAPS AND PERPENDICULAR CUTS FOR OTHER MEMBERS WITH RESULTING PIECES BUTTED TIGHTLY TOGETHER AND EVEN BEARING OVER ENTIRE CONTACTING SURFACE, PRIOR TO BORING OF HOLES FOR SPLICE BOLTS. THE FULLY ASSEMBLED TOWER MEMBERS SHALL BE TO THE DIMENSIONS AS SHOWN ON THIS SHEET. ALL TOWER ELEMENTS SHALL BE MATCHED MARKED USING LEGIBLE, WATERPROOF MARKINGS LOCATED ALONG THE TOP SURFACE OF THE TIMBER ELEMENTS. 3. ALL TOWER LEG BOLTS MUST BE INSTALLED THE SAME DIRECTION WITH THE NUT ALL TOWER LEG BOLTS MUST BE INSTALLED THE SAME DIRECTION WITH THE NUT FACING THE RIVER.

AutoCAD SHX Text

PREDRILL (8) " HOLES FOR 78" HOLES FOR34" ANCHOR BOLTS (TYP.)

AutoCAD SHX Text

PREDRILL " HOLE 78" HOLE(TYP. OF 8) FOR GUSSET ATTACHMENT

AutoCAD SHX Text

PREDRILL " HOLE 78" HOLE(TYP. OF 4) FOR GUSSET ATTACHMENT

AutoCAD SHX Text

PREDRILL " HOLE 78" HOLE(TYP. OF 4) FOR GUSSET ATTACHMENT

AutoCAD SHX Text

4" SPLIT RINGS AT INTERIOR FACES OF SPLICE

AutoCAD SHX Text PREDRILL " HOLE 78" HOLE HOLE(TYP. OF 2) FOR INTERMEDIATE BRACE & BACKING PLANK ATTACHMENTS

AutoCAD SHX Text 3"

AutoCAD SHX Text

EDGE FACING BRIDGE

AutoCAD SHX Text

EDGE FACING BRIDGE

AutoCAD SHX Text

(2) " X 8" STITCH BOLTS 34" X 8" STITCH BOLTS STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

AutoCAD SHX Text

(2) " X 5 " STITCH BOLTS 34" X 5 " STITCH BOLTS 12" STITCH BOLTS STITCH BOLTS W/ MALLEABLE IRON WASHERS

AutoCAD SHX Text

(2) " X 15" STITCH BOLTS W/ 34" X 15" STITCH BOLTS W/ STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

AutoCAD SHX Text

TYP.

AutoCAD SHX Text PREDRILL " HOLE (TYP. OF 2) 78" HOLE (TYP. OF 2) HOLE (TYP. OF 2)FOR CONNECTION TO SILL, LOCATION AND SPACING PER DETAIL

AutoCAD SHX Text

PREDRILL " HOLE 78" HOLE HOLE(TYP. OF 2) FOR TOWER BRACE

AutoCAD SHX Text PREDRILL " HOLE (TYP. OF 2) 78" HOLE (TYP. OF 2) HOLE (TYP. OF 2)FOR CONNECTION TO SILL, LOCATION AND SPACING PER DETAIL

AutoCAD SHX Text

(2) " X 15" STITCH BOLTS W/ 34" X 15" STITCH BOLTS W/ STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

AutoCAD SHX Text

MALLEABLE IRON WASHER, TYP. AGAINST WOOD

AutoCAD SHX Text (2)- " X 15" STITCH BOLTS W/ 34" X 15" STITCH BOLTS W/ STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

(2) " X 8" STITCH BOLTS W/ 34" X 8" STITCH BOLTS W/ STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

TOWER #2 ELEVATION & SECTION

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

TOWER #2 - TRANSVERSE ELEVATION

BLACK BEAR TRAIL BRIDGE REPAIRS

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

TOWER #2 - VERTICAL SECTION

DIAGONAL BRACE TABLE - TOWER 2

MEMBER # OF MEMBERS LOCATION TYPE*

DB1 2 STREAM FACE RS 2" x 8" x 8'-0"

DB2 2 FILL FACE RS 2" x 8" x 8'-0"

DB3 2 STREAM FACE RS 2" x 8" x 7'-8"

DB4 2 FILL FACE RS 2" x 8" x 7-8"

DB5 2 STREAM FACE RS 2" x 8" x 6'-8"

DB6 2 FILL FACE RS 2" x 8" x 6'-4"

DB7 2 STREAM FACE RS 2" x 8" x 4'-2"

NOTES:

PEDESTAL PEDESTAL

STREAM

FACE

APPROACH

SPAN FACE

AutoCAD SHX Text F:\1-11237-LCNF Medicine Springs Bridge\CADD 1-11237\Sheets\1-11237-08-Tower.dwg

AutoCAD SHX Text

SCALE: 1/4" = 1'-0"

AutoCAD SHX Text A

AutoCAD SHX Text

SCALE: 1/4" = 1'-0"

AutoCAD SHX Text B

AutoCAD SHX Text

STEEL GUSSET PLATE ON EACH FACE. SEE DETAILS ON SHEET 12. 12. .

AutoCAD SHX Text

SADDLE & VERTICAL POST

AutoCAD SHX Text

TOWER

AutoCAD SHX Text

SADDLE & VERTICAL POST

AutoCAD SHX Text 12" x 12 " GL CAP12" GL CAP

AutoCAD SHX Text

REMOVE EXISTING SADDLE AND REPLACE WITH NEW SADDLE (SEE DETAILS ON SHEET 12)12))

AutoCAD SHX Text

POST

AutoCAD SHX Text RE-USE EXISTING 4" x 8" x 13'-0" ROUGH SAWN BRACE (INCIDENTAL TO ITEM 55705)

AutoCAD SHX Text

BEARING

AutoCAD SHX Text

6 " X 12 " GL SILL14" X 12 " GL SILL12" GL SILL

AutoCAD SHX Text 12" x 12 " GL VERTICAL POST12" GL VERTICAL POST

AutoCAD SHX Text 12" x 12 " GL BATTERED POST12" GL BATTERED POST GL BATTERED POST

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UNCOATED ANGLES (TYP.). SEE DETAILS ON SHEET 12.12..

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(4) " X 9" LAG 34" X 9" LAGSCREWS IN CABLE SADDLE

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GL SPLICE (TYP.)

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(4) ANCHORS PER PEDESTAL WITH " 34" THREADED ROD. FIELD DRILL 1" HOLES IN CONCRETE AND SECURE TO CONCRETE WITH HILTI HVA ADHESIVE. EMBED 12" (MIN.).

AutoCAD SHX Text 14" CABLE TO SECUREEACH STRINGER TO INTERMEDIATE BRACE. LOOP CABLE OVER TOP OF STRINGER BETWEEN DECK PLANKS. SECURE WITH 2 CABLE CLAMPS. POSITION CLAMPS TO NOT DAMAGE LUMBER DURING USE. (PAID UNDER ITEM 55703d)

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STEEL GUSSET PLATE ON EACH FACE. SEE DETAILS ON SHEET 12. 12. .

AutoCAD SHX Text RE-USE EXISTING 4" x 8" x 13-0" ROUGH SAWN BRACE (INCIDENTAL TO ITEM 55705)

AutoCAD SHX Text 516" X 5 " RUGGED 18" RUGGED STRUCTURAL SCREW [OR EQUAL] (TYP.) 4 PER BRACE INTERSECTION ON TOWER. SPACE SCREWS MIN. 1 " FROM EDGE 1 " FROM EDGE 12" FROM EDGE OF DIAGONAL. SCREWS ON STREAM FACE NOT SHOWN FOR CLARITY.

AutoCAD SHX Text 34" x 20" MACHINE BOLT W/MALLEABLE IRON WASHERS, FIELD DRILL " HOLES 78" HOLES(TYP. BOTH SIDES)

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POST

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POST

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POST

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AutoCAD SHX Text CUTOUTS WILL BE NECESSARY IN DIAGONALS WHEN IN CONFLICT WITH VERTICAL/BATTERED POST HARDWARE. USE HOLE SAW SIZED TO FIT MALLEABLE WASHER OR OTHER APPROVED METHOD.

AutoCAD SHX Text *LENGTH IS MAXIMUM PRE-CUT LENGTH WITH AN ADDITIONAL 1". ALL DIAGONAL BRACES TO BE FIELD CUT.

AutoCAD SHX Text

NEW SIMPSON STC ANGLE EACH SIDE FOR (4) APPROACH SPAN STRINGERS TO BRACE

AutoCAD SHX Text INTERMEDIATE BRACE. UTILIZE SALVAGED 3" x 12" x 14'-0" SECTIONS FROM TOWER MEMBERS. (LUMBER MUST BE APPROVED BY THE C.0.)

AutoCAD SHX Text 34" x 24" MACHINEBOLT W/MALLEABLE IRON WASHERS (TYP. BOTH VERTICALS)

AutoCAD SHX Text 4"

UTILIZE EXISTING 3" x 12" BRACE

TOWER #2 MEMBER DETAILS

JANUARY 18, 2017

SHEET NO.

KFY

BMB

RME

KFY

engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

REGION ONE

PREPARED BY:

BLACK BEAR TRAIL BRIDGE REPAIRS

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

TOWER #2 SILL MEMBER

ELEVATION

PLAN

TOWER #2 VERTICAL LEG MEMBER

PLAN

TOWER #2 BATTERED LEG MEMBER

PLAN

ELEVATION

BASE

TOP

BASE

TOP

NOTES:

ELEVATION

NOTE:

TOP

BTM

AutoCAD SHX Text F:\1-11237-LCNF Medicine Springs Bridge\CADD 1-11237\Sheets\1-11237-09-TowerMembers.dwg

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SCALE: 3/8" = 1'-0"

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SCALE: 3/8" = 1'-0"

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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(4)-3 " X 12" 18" X 12" GLUED-LAMINATED SPLICED MEMBER (TYP.)

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SCALE: 3/8" = 1'-0"

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1316" HOLE (TYP.) FOR34" STITCH BOLTS

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MALLEABLE IRON WASHER, TYP. AGAINST WOODAGAINST WOOD

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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(4)-3 " X 12" 18" X 12" GLUED-LAMINATED SPLICED MEMBER (TYP.)

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1316" HOLE (TYP.) FOR34" STITCH BOLTS

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MALLEABLE IRON WASHER, TYP. AGAINST WOODAGAINST WOOD

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1. ALL TOWER MEMBERS SHALL BE GLUED-LAMINATED UNLESS ALL TOWER MEMBERS SHALL BE GLUED-LAMINATED UNLESS OTHERWISE NOTED. 2. GLUED-LAMINATED MEMBERS SHALL BE FABRICATED TO THE GLUED-LAMINATED MEMBERS SHALL BE FABRICATED TO THE FULL LENGTH SHOWN ON THE PLANS, SPLICE JOINTS SHALL BE PLUMB CUT FOR CAMBERED CAPS AND PERPENDICULAR CUTS FOR OTHER MEMBERS WITH RESULTING PIECES BUTTED TIGHTLY TOGETHER AND EVEN BEARING OVER ENTIRE CONTACTING SURFACE, PRIOR TO BORING OF HOLES FOR SPLICE BOLTS. THE FULLY ASSEMBLED TOWER MEMBERS SHALL BE TO THE DIMENSIONS AS SHOWN ON THIS SHEET. ALL TOWER ELEMENTS SHALL BE MATCHED MARKED USING LEGIBLE, WATERPROOF MARKINGS LOCATED ALONG THE TOP SURFACE OF THE TIMBER ELEMENTS. 3. ALL TOWER LEG BOLTS MUST BE INSTALLED THE SAME ALL TOWER LEG BOLTS MUST BE INSTALLED THE SAME DIRECTION WITH THE NUT FACING THE RIVER.

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SPLICE

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SPLICE

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SPLICE

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SPLICE

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(2)-3 " X 12 " 18" X 12 " 12" GLUED-LAMINATED SPLICED MEMBER (TYP.)

AutoCAD SHX Text EMBED SILL STITCH BOLTS AT LOCATIONS SHOWN STITCH BOLTS AT LOCATIONS SHOWN TO ENSURE A FLUSH FINISH (TYP.). FILL HOLES WITH WOOD FILLER AFTER INSTALLATION.

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(2) " X 5 " STITCH BOLTS 34" X 5 " STITCH BOLTS 12" STITCH BOLTS STITCH BOLTS W/ MALLEABLE IRON WASHERS

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MALLEABLE IRON WASHER, TYP. AGAINST WOOD

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1316" HOLE (TYP.) FOR34" STITCH BOLTS

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SPLICE

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SPLICE

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SPLICE

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PREDRILL (8) " HOLES FOR 78" HOLES FOR34" ANCHOR BOLTS (TYP.)

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PREDRILL " HOLE 78" HOLE(TYP. OF 4) FOR GUSSET ATTACHMENT

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PREDRILL " HOLE 78" HOLE(TYP. OF 4) FOR GUSSET ATTACHMENT

AutoCAD SHX Text PREDRILL " HOLE (TYP. OF 2) FOR 78" HOLE (TYP. OF 2) FOR HOLE (TYP. OF 2) FORINTERMEDIATE BRACE ATTACHMENTS

AutoCAD SHX Text 3"

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EDGE FACING BRIDGE

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EDGE FACING BRIDGE

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(2) " X 5 " STITCH BOLTS 34" X 5 " STITCH BOLTS 12" STITCH BOLTS STITCH BOLTS W/ MALLEABLE IRON WASHERS

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(2) " X 8" STITCH BOLTS 34" X 8" STITCH BOLTS STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

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(2) " X 8" STITCH BOLTS W/ 34" X 8" STITCH BOLTS W/ STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

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PREDRILL " HOLE (TYP. OF 2) 78" HOLE (TYP. OF 2) HOLE (TYP. OF 2)FOR TOWER BRACE

AutoCAD SHX Text PREDRILL " HOLE (TYP. OF 2) 78" HOLE (TYP. OF 2) HOLE (TYP. OF 2)FOR CONNECTION TO SILL, LOCATION AND SPACING PER DETAIL

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(2) " X 15" STITCH BOLTS W/ 34" X 15" STITCH BOLTS W/ STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

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(2) " X 15" STITCH BOLTS W/ 34" X 15" STITCH BOLTS W/ STITCH BOLTS W/ MALLEABLE IRON WASHERS (TYP.)

AutoCAD SHX Text PREDRILL " HOLE (TYP. OF 2) 78" HOLE (TYP. OF 2) HOLE (TYP. OF 2)FOR CONNECTION TO SILL, LOCATION AND SPACING PER DETAIL

AutoCAD SHX Text engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

REGION ONE

PREPARED BY:

NOTES:

TOWER REPLACEMENT NOTES:

INSTALL BRACING/JACKING SYSTEM

SILL INSTALLATION

CONTRACTOR JACKING/BRACING DESIGN LOADS:

JACKING BEAM CONNECTOR

TELESCOPIC COLUMN

TEMPORARY TOWER LEG BRACKET

PLAN

SECTION

TOWER REPLACEMENT PROCEDURE

1-16155

JANUARY 18, 2017

SHEET NO.

engineering

2501 BELT VIEW DRIVE

HELENA, MT 59601

(406)449-8627

REGION ONE

PREPARED BY:

KFY

BMB

RME

KFY

FOUNDATION BASE PLATE

BLACK BEAR TRAIL BRIDGE REPAIRS

TRAIL NO. 80D - M.P. 0.50

FLATHEAD NATIONAL FOREST

PROJECT:

DESIGNED:

DRAWN:

DESIGN CHECKED:

DRAWING CHECKED:

DATE: NO. DATEBYREVISION DESCRIPTION

AutoCAD SHX Text F:\1-16155-FNF Black Bear Bridge\CADD 1-16155\Sheets\1-16155-09-Tower Repair1.dwg

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1. INSTALL PORTABLE BRACING (GUY WIRES) ON TOWERS, LONGITUDINAL AND LATERAL. INSTALL PORTABLE BRACING (GUY WIRES) ON TOWERS, LONGITUDINAL AND LATERAL. SEE TOWER REPLACEMENT NOTE 3 THIS SHEET. 2. PROVIDE SHORING/CRIBBING UNDER APPROACH SPAN AND END OF MAIN SPAN FOR PROVIDE SHORING/CRIBBING UNDER APPROACH SPAN AND END OF MAIN SPAN FOR SUPPORT DURING TOWER REPLACEMENT. 3. INSTALL TEMPORARY STEEL BRACKETS AND EXPANSION ANCHORS INTO CONCRETE INSTALL TEMPORARY STEEL BRACKETS AND EXPANSION ANCHORS INTO CONCRETE FOUNDATION TO STABILIZE TOWER LEGS WHEN JACKING. 4. ANCHOR SCREW JACK FOOTING PLATES TO SUBGRADE. ANCHOR SCREW JACK FOOTING PLATES TO SUBGRADE. 5. INSTALL TELESCOPIC COLUMNS, CROSS BRACING, AND ADD TUBE STEEL FRAME. INSTALL TELESCOPIC COLUMNS, CROSS BRACING, AND ADD TUBE STEEL FRAME. 6. ATTACH JACKING BEAM CONNECTOR TO TOWER LEGS - SEE DETAIL THIS SHEET. ATTACH JACKING BEAM CONNECTOR TO TOWER LEGS - SEE DETAIL THIS SHEET. 7. ASSEMBLE JACKING BEAM. ASSEMBLE JACKING BEAM. 8. INSERT JACKING BEAM THROUGH JACKING BEAM SLEEVES AND ANCHOR SET SCREWS. INSERT JACKING BEAM THROUGH JACKING BEAM SLEEVES AND ANCHOR SET SCREWS. 9. ADJUST JACKING FRAME HEIGHT AND PLACE HYDRAULIC JACKS IN POSITION.ADJUST JACKING FRAME HEIGHT AND PLACE HYDRAULIC JACKS IN POSITION.

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1. REMOVE LEG CONNECTION HARDWARE. REMOVE LEG CONNECTION HARDWARE. 2. COMPLETE PEDESTAL REPAIRS, SEE SHEET 6. COMPLETE PEDESTAL REPAIRS, SEE SHEET 6. 6. . 3. INSTALL STITCHED TIMBER SILL ON PEDESTAL AND INSTALL NEW ANGLES & ANCHOR BOLTS INSTALL STITCHED TIMBER SILL ON PEDESTAL AND INSTALL NEW ANGLES & ANCHOR BOLTS WITH HILTI HVA ADHESIVE. 4. CONTINUE JACKING OF OTHER TOWER LEGS TO ADD ENTIRE SILL - SEE SHEETS 7 AND 9. CONTINUE JACKING OF OTHER TOWER LEGS TO ADD ENTIRE SILL - SEE SHEETS 7 AND 9. 7 AND 9. AND 9. 9. . 5. PATCH TEMPORARY EXPANSION ANCHOR HOLES WITH NON-SHRINK GROUT.PATCH TEMPORARY EXPANSION ANCHOR HOLES WITH NON-SHRINK GROUT.

AutoCAD SHX Text

1. THESE PLANS REPRESENT THE GENERAL STEPS AND MATERIALS THESE PLANS REPRESENT THE GENERAL STEPS AND MATERIALS NECESSARY TO REPLACE THE TIMBER TOWER MEMBERS. CONTRACTOR TO SUBMIT TOWER REPLACEMENT PLAN FOR REVIEW. CONTRACTOR SHALL PROVIDE DETAILED SHOP DRAWINGS SHOWING FINAL DESIGN OF THE SUPPORT FRAME SYSTEM, JACKING ASSEMBLY AND CONNECTIONS FOR REVIEW. DESIGN SHALL BE COMPLETED AND FABRICATION APPROVED BY A PROFESSIONAL ENGINEER REGISTERED IN THE STATE OF MONTANA. THE CONTRACTOR MAY PROPOSE AN ALTERNATE FRAME SYSTEM, JACKING AND LIFTING PROCEDURE FOR REVIEW. TOWER JACKING AND BRACING SYSTEM IS INCIDENTAL TO THE WORK. 2. CONTRACTOR SHALL FOLLOW OSHA SAFETY REGULATIONS FOR ALL CONTRACTOR SHALL FOLLOW OSHA SAFETY REGULATIONS FOR ALL SHORING, BRACING AND JACKING OF THE TOWER MEMBERS. 3. CONTRACTOR TO PROVIDE A TEMPORARY BRACING AND SHORING PLAN CONTRACTOR TO PROVIDE A TEMPORARY BRACING AND SHORING PLAN NECESSARY TO STABILIZE THE STRUCTURE DURING REPLACEMENT ACTIVITIES FOR REVIEW AND ACCEPTANCE PRIOR TO CONSTRUCTION.

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NOT TO SCALE

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NOT TO SCALE

AutoCAD SHX Text MAIN SPAN SUPERSTRUCTURE DEAD LOAD = 160 PLF TOWER DEAD LOAD = 8,200 LBS PER TOWER * JACKING FRAME, JACKING PLAN AND JACKS SHALL UTILIZE A MINIMUM JACKING FRAME, JACKING PLAN AND JACKS SHALL UTILIZE A MINIMUM DESIGN FACTOR OF SAFETY OF 2.5. FINAL DESIGN OF JACKING AND BRACING SYSTEM INCLUDING LOADING VERIFICATION IS CONTRACTOR'S RESPONSIBILITY.

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REMOVABLE BASE PLATE TYP. ANCHORED TO SUBGRADE. SEE

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TELESCOPIC COLUMN ADJUSTABLE

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(2) HYDRAULIC JACKS SUPPLIED BY CONTRACTOR

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JACKING BEAM

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NOT TO SCALE

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SET SCREW

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BOLT

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JACKING BEAM

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JACKING BEAM…

This is the start of the file's text. The full file is on GovTribe.

File details come from the government source that posted it. Updated Nov 14, 2017.