30-50 TL1 4BM Steel Superstructure_APP B.pdf
PDF 654 KB Posted
- Attached to
- Road Construction MATOC for Alaska Federal contract opportunity
- Solicitation number
- 1240BJ22R0003
About this file
This document package includes construction drawings and specifications for steel girder bridges. The drawings provide design details for 30-50 foot steel bridges with timber decks and traffic barriers. Specifications cover requirements for structural steel, fasteners, welding, timber decking and running planks, and treatment. Design parameters and load assumptions are also included.
The federal contract opportunity is for a Multiple Award Task Order Contract for road construction services in Alaska. The scope of work includes new construction, reconstruction, restoration, and maintenance of roads, bridges, trails and associated structures. Major work categories involve clearing, earthwork, drainage, aggregates, paving, demolition, construction, walls and bridge work. Contractors must have qualified personnel and equipment to perform tasks issued in individual task orders, which will provide project-specific details supplementing the base contract terms. The contract is awarded by the USDA Forest Service Alaska Region.
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DRAWING
TITLE
PROJECT NAME
DRAWN
DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
4/2 1/1
9 1 5:
M
IK
EJ
F :\6
1 T
ON
GA
SS
S
TA
ND
AR
D
BR
ID
GE
D
RA
W
IN
GS
\D W
G\
TO
NG
AS
S 4-
BM
S
TE
EL
_5
0_
TL
1.D W
G;
(R10)
ALASKA REGION
PROJECT NAME
TONGASS
NATIONAL FOREST
DISTRICT (PROJ. PHASE)
(4) BM. STEEL WITH
TL1 BARRIER
30'-50' SPANS
FEB., 2019
.dwg
AG
MTJ
AG
B.1
STRUCTURAL STEEL: THE STEEL FABRICATOR MUST BE CERTIFIED BY AISC (AMERICAN
INSTITUTE FOR STEEL CONSTRUCTION) IN THE INTERMEDIATE BRIDGES CATEGORY.
USE STRUCTURAL STEEL MADE OF NEW MATERIAL. PROVIDE CERTIFIED COPIES OF
MILL TEST REPORTS FOR ALL STRUCTURAL STEEL AND BOLTS.
USE STRUCTURAL STEEL SHAPES AND PLATES CONFORMING TO THE REQUIREMENTS
OF AASHTO M270, GRADE 50 (ASTM A709, GRADE 50).
HOT DIP GALVANIZE (SINGLE DIP) ALL STRUCTURAL STEEL MEMBERS IN ACCORDANCE
WITH AASHTO M111 (ASTM A123).
MAIN LOAD CARRYING MEMBERS SUBJECTED TO TENSILE STRESS REQUIRE CHARPY
V-NOTCH TESTING IN ACCORDANCE WITH ASTM A709 SUPPLEMENTAL REQUIREMENTS,
S83 FOR TEMPERATURE ZONE 1. MEMBER COMPONENTS INCLUDE: BRIDGE BEAMS.
FASTENERS: USE HIGH-STRENGTH BOLTS FOR ALL STRUCTURAL FIELD CONNECTIONS.
HIGH-STRENGTH BOLTS, HEAVY HEX NUTS AND HARDENED WASHERS MUST CONFORM
TO THE FOLLOWING REQUIREMENTS, UNLESS APPROVED IN WRITING BY THE
ENGINEER:
· BOLTS ASTM F3125, GRADE A325, TYPE 1
· NUTS APPROPRIATE CLASS OF ASTM A 563
· WASHERS ASTM F 436, TYPE 1
GALVANIZE FASTENERS IN ACCORDANCE WITH AASHTO M232 (ASTM A153).
WELDING: WELD IN ACCORDANCE WITH THE BRIDGE WELDING CODE, AWS D1.5. A
CERTIFIED WELDER IS REQUIRED.
STEEL NOTES
SOLID SAWN MEMBERS: FURNISH SOLID SAWN DECK PLANKS OF COASTAL REGION
DOUGLAS-FIR-LARCH, FULL SAWN, NO. 1 OR BETTER GRADE. FURNISH RUNNING PLANKS OF
COASTAL REGION DOUGLAS FIR-LARCH, ROUGH SAWN, NO. 2 OR BETTER GRADE, AS
SPECIFIED IN THE WWPA OR WCLIB GRADING RULES.
TREATMENT: TREAT SOLID SAWN DECK PLANKS IN CONFORMANCE WITH AWPA UC3B
(ABOVE GROUND, EXPOSED) USING COPPER NAPHTHENATE. TREAT ALL TIMBER IN STRICT
CONFORMANCE WITH THE CURRENT EDITION OF WWPI'S “BEST MANAGEMENT PRACTICES
FOR THE USE OF TREATED WOOD IN AQUATIC ENVIRONMENTS”.
FIELD TREATMENT: FIELD TREAT ALL ABRASIONS AND APPROVED FIELD CUTS WITH WITH
THREE BRUSH COATS OF COPPER NAPHTHENATE (2% SOLUTION). POUR THE FIELD
TREATMENT INTO ANY FIELD-DRILLED HOLES OR NAIL HOLES PRIOR TO INSERTING THE
FASTENERS.
TIMBER NOTES
TYPICAL SECTION(4) STEEL BEAMSTL1 TRAFFIC BARRIER
TYPICAL SECTION
(4) BEAM STEEL WITH TL1 TRAFFIC BARRIER
TL1 TRAFFIC
BARRIER
(CURB)
TIMBER DECK AND
RUNNING PLANK
STEEL FLOOR BEAM
ROLLED STEEL
BRIDGE BEAM
DESIGN NOTES
BRIDGE DESIGN: THESE STRUCTURES ARE DESIGNED IN ACCORDANCE WITH AASHTO LRFD BRIDGE
DESIGN SPECIFICATIONS, 8TH EDITION WITH CURRENT INTERIMS.
DESIGN LOADS: LIVE LOADS: HL-93 LOADING
ALASKA U-80 TRUCK
DESIGN PARAMETERS: MULTIPLE PRESENCE REDUCTION FACTOR = 0.9
IMPORTANCE FACTOR = 0.95
LIVE LOAD DEFLECTION IS LIMITED TO L/800 FOR HL-93
BRIDGE BEAMS ARE CONSIDERED BRACED AT THE STEEL FLOOR BEAMS
SEISMIC DESIGN: ASSUMED SITE CLASS D
PEAK GROUND ACCELERATION (PGA) = 0.4
SPECTRAL ACCELERATION COEFFICIENT Ss = 1.0
SPECTRAL ACCELERATION COEFFICIENT S1 = 0.4
WIND DESIGN: 3-SECOND GUST WIND SPEED V = 145 mph
WIND EXPOSURE CATEGORY "C"
CALCULATED MAXIMUM ALLOWABLE SNOW LOAD FOR SPANS 30'-50' IS 660 psf.
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PROJECT NAME
DRAWN
DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
4/2 1/1
9 1 5:
M
IK
EJ
F :\6
1 T
ON
GA
SS
S
TA
ND
AR
D
BR
ID
GE
D
RA
W
IN
GS
\D W
G\
TO
NG
AS
S 4-
BM
S
TE
EL
_5
0_
TL
1.D W
G;
(R10)
ALASKA REGION
PROJECT NAME
TONGASS
NATIONAL FOREST
DISTRICT (PROJ. PHASE)
SPANS 30' - 50'
GENERAL BRIDGE
LAYOUT & SECTION
FEB., 2019
.dwg
AG
MTJ
AG
B.2
TOTAL BEAM LENGTH = 30'-0", 40'-0", OR 50'-0"
15'-0" 15'-0"
20'-0"
25'-0" 25'-0"
'-0
'-0
5'-0"
2'-6"
℄ DIAPHRAGM
30' BRIDGE
40' BRIDGE
50' BRIDGE
5'-0"
TYPICAL
2'-6"
FRAMING PLAN - 30', 40' & 50' BRIDGE LENGTHS
NOT TO SCALE
TYPICAL SECTION
NOT TO SCALE
4'-0" 5'-0" 4'-0"
18'-0" MAX. OUT - OUT
'-6
M A
X
'-2
7'-6"
TYPICAL
ELEVATION - 30', 40' & 50' BRIDGE LENGTHS
NOT TO SCALE
'-1
'-1
'-2
'-2
W-BM. FLARED
END SECTION.
TYP. AT ALL
CORNERS
4" x 12" DECKING
BOLTED TO STEEL
FLOOR BEAMS.
SEE DETAIL A
B.3
℄ BRIDGE
(3" x 12" RUNNING
PLANK NOT SHOWN
FOR CLARITY)
6" ℄ BRG. 6"℄ BRG.
W8 x 21
FLOOR BM,
TYP.
BARRIER POST
BRACING,
TYPICAL
BRIDGE BEAM.
SEE TABLE "A"
THIS SHEET
BRIDGE
BEAM,
TYPICAL
W8 x 21
FLOOR BM.
CLASS B
GALVANIZED
W-BEAM RAILING W8 x21
POST
3" x 12" UNTREATED
TIMBER RUNNING
PLANK
4" x 12" TREATED
TIMBER DECKING
OUT - OUT BEAM LENGTH (L)
BEAM
BEAM
BEAM
BEAM
STEEL FLOOR BEAMS SPACED @ 2'-6" OC2'-6" 2'-6"
TYPICAL
BEARING.
SEE
DETAIL A
B.5
BARRIER POSTS SPACED @ 5'-0" CC4'-93
8" 4'-93
8"
END PANEL
BARRIER POST
BRACING.
SEE
DETAIL
C
B.5
TYPICAL BARRIER POST.
SEE
DETAIL
D
DIAPHRAGM BELOW.
SEE DETAILS ON
SHEET B.3
BRIDGE
LENGTH
"L"
GIRDERBRIDGE
SPAN
"S"
29'- 0"
39'- 0"
49'- 0"
30'- 0"
40'- 0"
50'- 0"
BRIDGE
LENGTH
"L"
1/10th POINT CAMBER
0.1L 0.2L 0.3L 0.4L 0.5L
SIZE
W24 x 62
W27 x 84
W30 x 116
0.05"
0.09"
0.14"
0.09"
0.17"
0.27"
0.12"
0.23"
0.36"
0.14"
0.27"
0.43"
0.15"
0.28"
0.45"
BRIDGE BEAM PER TABLE "A"
30'- 0"
40'- 0"
50'- 0"
TABLE "A"- BRIDGE BEAM SIZES
TABLE "B"- BRIDGE BEAM CAMBER
20'-0"
'-0
8'-0" 8'-0"
PROVIDE (2) HOLES IN
EA. EXTERIOR GIRDER
WEB FOR BACKWALL
CONNECTION.
5/8"x 1-1/4"
SLOTTED HOLE
2"
EXTERIOR
GIRDER
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PROJECT NAME
DRAWN
DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
4/2 1/1
9 1 5:
M
IK
EJ
F :\6
1 T
ON
GA
SS
S
TA
ND
AR
D
BR
ID
GE
D
RA
W
IN
GS
\D W
G\
TO
NG
AS
S 4-
BM
S
TE
EL
_5
0_
TL
1.D W
G;
(R10)
ALASKA REGION
PROJECT NAME
TONGASS
NATIONAL FOREST
DISTRICT (PROJ. PHASE)
DECK AND
FLOOR BEAM
DETAILS
FEB., 2019
.dwg
AG
MTJ
AG
B.3
PARTIAL DECK PLAN
SCALE: 1/2" = 1'-0"
(7
L
IN
E S x
U N
T R
E A
T E
D T
IM
B
E R
R U
N N
IN
G
P L A
N K
(8
L
IN
E S x
T R
E A
T E
D T
IM
B
E R
D E
C K
IN
G
24" MAX.
TYPICAL
12"
MAX.
7"
2"
2"
2"
2"
TYP.
B.3
B.3
SECTION
Scale: 1-1/2" = 1'-0"
BRIDGE BEAM, TYP.2
G A
P
W8 x 21
FLOOR BEAM,
TYP.
TERMINATE 1/4"
FROM EDGE OF
FLANGE, TYP.
(2) BOLTS PER
PLANK TYPICAL
AT ENDS OF
BRIDGE
4"
T Y
P
CENTER PLANK BUTT
JOINTS ON FLOOR BEAMS.
STAGGER JOINTS IN DECK
PLANKS A MINIMUM OF 60"
(2 FLR. BM. SPACES)
FIELD INSTALL
CENTER RUNNING
PLANK (NOT SHOWN).
SEE SECTION
1/2"Ø x 5"
GALVANIZED
TIMBER BOLT,
TYP.
(1) 1/2"Ø TIMBER BOLT
FOR EACH PLANK AT
EACH FLOOR BM.
STAGGER AS SHOWN,
TYP.
2"
60D GALVANIZED
RING SHANK NAIL,
TYP.
FLOOR
BEAM
RUNNING
PLANK
ATTACH RUNNING PLANKS TO
DECK WITH TWO ROWS OF 6" RING
SHANK NAILS (60d) PER PLANK
SPACED AT 12"± ALTERNATE
CENTERS AND (2) AT EACH PLANK
END. EACH RUNNING PLANK MAY
BE FURNISHED IN MULTIPLE
PIECES. STAGGER PLANK
SPLICES BETWEEN RUNS A
MINIMUM OF 30".
PRE-BORE SPIKE LEAD HOLE USING A HOLE
EQUAL TO 75% OF THE SPIKE DIAMETER.
2"
5"
TYP. RUNNING
PLANK
FLOOR
BEAM
TIMBER
DECKING
60D GALVANIZED RING
SHANK NAIL @ 30"CC
STAGGERED SPACING.
3" x 12" TIMBER
RUNNING PLANK. SHIP
LOOSE AND INSTALL
AFTER BRIDGE IS SET.
B.3
SECTION
Scale: 1" = 1'-0"
B.3
1/4
1/4
BRIDGE
BEAM
TERMINATE 1/4"
FROM EDGE OF
FLANGE, TYP.
BARRIER RAIL
POST, TYP.
SEE
DETAIL
D
B.5
A B.3
DETAIL:
1-5/8"Ø x 1/4" DEEP
COUNTERSUNK
HOLE, TYP.
B.3
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PROJECT NAME
DRAWN
DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
4/2 1/1
9 1 5:
M
IK
EJ
F :\6
1 T
ON
GA
SS
S
TA
ND
AR
D
BR
ID
GE
D
RA
W
IN
GS
\D W
G\
TO
NG
AS
S 4-
BM
S
TE
EL
_5
0_
TL
1.D W
G;
(R10)
ALASKA REGION
PROJECT NAME
TONGASS
NATIONAL FOREST
DISTRICT (PROJ. PHASE)
DIAPHRAGM
DETAILS
FEB., 2019
.dwg
AG
MTJ
AG
B.4
DIAPHRAGM DETAILS
Scale: 3/8" = 1'-0"
1/2" TRANSVERSE
CONNECTION PLATE.
{3" WIDE 30' SPAN}
{4-1/2" WIDE 40' & 50' SPANS}
SEE
DETAIL
1/2" BEARING STIFFENER.
{3" WIDE 30' SPAN }
{4-1/2" WIDE 40' & 50' SPANS}
SEE
DETAIL
INTERMEDIATE DIAPHRAGMEND DIAPHRAGM
C15X33.9
DIAPHRAGM,
TYP.
3'-91 2"1"
TYP.
2'-41 4" 2'-41
4"
1"
1"
TYP.
2" GAP BETWEEN
FLOOR BMS.
C15X33.9
DIAPHRAGM,
TYP.
SEE
CONNECTION
DETAIL
B B.4
DETAIL
Not to Scale
STIFFENER/CONNECTION PLATE
2"
1 2
CLIP
STIFFENER
CORNER
3/16
TYP.
1 1/2" ± 1/4"
STEEL FLOOR BM.
A
B.4
B
B.4
1/43
TYPTYP
A B.4
DETAIL
Not to Scale
'-0
11 2
C15X33.9
DIAPHRAGM,
TYP.
2"
2"1"
TYP. EXTERIOR DIAPHRAGM
GAP
1 2
1 2"
(3
S P
C S
O
C
11 2
1 2
L 4x4x 3/8 x 1'-0", TYPICAL
L 4x4x 3/8 x 0'-6", TYPICAL
3/4"Ø x 2-1/2"
A325 BOLTS,
TYP.
W8 x 21
FLOOR BM.,
TYP.
3/4"Ø x 2-1/2"
A325 BOLTS,
TYP.
3/4"Ø x 2" A325 BOLTS
@ 2-1/2" GAGE, TYP.
A
A
DO NOT USE
ANGLE ON
EXTERIOR FACE
AT END OF
BRIDGE ONLY
2"
FLOOR BM
L 4x4 x 3/8
CONNECTION
ANGLE
BRIDGE BEAM
END OF
BRIDGE
BAR 6" x 3/8" x 0'-9"
(END OF BRIDGE
ONLY)
NOTE: ALL HOLES
ARE TO BE 15/16"Ø.
SECTION A-A
B
B.4
TYPICAL CONNECTION AT
DIAPHRAGM LOCATIONS
SEE BEARING
DETAILS ON
SHEET #
2"
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PROJECT NAME
DRAWN
DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
4/2 1/1
9 1 5:
M
IK
EJ
F :\6
1 T
ON
GA
SS
S
TA
ND
AR
D
BR
ID
GE
D
RA
W
IN
GS
\D W
G\
TO
NG
AS
S 4-
BM
S
TE
EL
_5
0_
TL
1.D W
G;
(R10)
ALASKA REGION
PROJECT NAME
TONGASS
NATIONAL FOREST
DISTRICT (PROJ. PHASE)
BEARING AND
BARRIER DETAILS
FEB., 2019
.dwg
AG
MTJ
AG
B.5
C B.5
DETAIL
Not to Scale
5'-07 8 "
4'-93 8"
END OF BRIDGE ONLY
2'-6"
'-8
1 2"
1"
TYP.3
1 2"
1 1 2 "
TYP.
3"
3 4
L 3 x 2-1/2 x 1/4
3/4"Ø A325 BOLT,
TYPICAL.
SPACER.
BAR 4" x 5/16" x 0'-4" w/ 7/8"Ø HOLE, CNTR'D
BRIDGE
BEAM
'-2
4"
W8 x 21
POST
7/8"Ø HOLES
4"11
4"
FLOOR
BEAM
A
A
D B.5
DETAIL
Not to Scale
SECTION A-A
5/16
TYPICAL
FLANGES
3/16
PLAN SECTION
2"
6" ℄ BRG.
41 2
9" 9"
1 2
SOLE PLATE
SEE DETAIL
BEARING STIFFENER
SEE
DETAIL
OUTLINE
BEARING PAD
BELOW
1-3/8" x 2" SLOTTED
HOLE, TYP.
OUTLINE OF
BACKWALL
8"
2"1
2"
DIAPHRAGM. SEE
DETAILS ON SHEET
B.4
BRG PAD
3 4
"T"
SEE TABLE "A"
THIS SHEET
FLOOR BEAM
RUNNING PLANKRUNNING PLANK
LEAVE 1/8" GAP
BETWEEN NUT
AND SOLE PLATE
"L"
SEE TABLE "A"
5/16
A B.5
DETAIL
Not to Scale
B
B
SECTION B-B
A A
SECTION A-A
B
B.4
TYPICAL BEARING DETAILS
BRG.
PAD5/16
SOLE PLATE
BRIDGE
LENGTH
"L"
BEARING PAD
"T"
3/4"
3/4"
3/4"
30'- 0"
40'- 0"
50'- 0"
TABLE "A"- BEARING PAD SIZES
THICKNESS
BEARING PAD
"W"
8"
8"
8"
WIDTH
BEARING PAD
"L"
12"
12"
14"
LENGTH
BEARING PADS ARE DESIGNED BY METHOD A FOR HL-93 LOAD
FURNISH ELASTOMERIC BEARING PADS OF 60 DURO SHORE A SCALE,
LOW TEMPERATURE ELASTOMER GRADE 4
B B.5
DETAIL
Not to Scale
TYPICAL SOLE PLATE
1'-11"
1'-6" 21 2"21
2"
1 2
1 2
SOLE PLATE
3/4" x 9" x 1'-11"
B
B.5
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3/4" x 9" x 1'-11"
| Sheets and Views |
| 1 B.1 |
| 2 B.2 |
| 3 B.3 |
| 4 B.4 |
| 5 B.5 |
File details come from the government source that posted it. Updated .