Redwood_Creek_Bridges_Schematic_02_15_24_(1)_0001.pdf
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- Attached to
- Prefabricated Bridge Support Beams, Redwood NP
- Solicitation number
- 140P8424Q0018
About this file
This solicitation requests quotations for prefabricated bridge support beams to be supplied and delivered to Redwood National and State Parks. The National Park Service requires the contractor to provide all labor, equipment, testing and supplies necessary to complete the project, including furnishing prefabricated bridge kits according to specifications. Quotations are solicited only from small businesses with fewer than 750 employees, as this is a total small business set-aside. The anticipated award is a firm-fixed price purchase order selected from quotations judged by the government to be most advantageous based on price and other factors. Responses are due by the date and time listed on the SF1449 solicitation form.
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Text version
R E
D W
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D N
A T
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A L
P A
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D W
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D C
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B R
ID
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NOTES:
1- MATERIAL:
-STRONGWELL EXTREN 525 SERIES FRP STRUCTURAL MEMBERS
-SLATE GRAY STRINGERS AND DIAPHRAGMS
-PLASTIC COMPOSITE RAILING (SUPPLIED BY NPS)
-PLASTIC COMPOSITE DECKING (SUPPLIED BY NPS)
2- HARDWARE (NOT ALL HARDWARE SHOWN):
-ALL HARDWARE TO BE A307 GALVANIZED
-ALL HARDWARE FOR ATTACHING RAILING & DECKING TO BE A307
GALVANIZED & DECKING (SUPPLIED BY NPS)
-5/8IN ANCHOR TO ABUTMENT (SUPPLIED BY NPS)
3- DESIGN CRITERIA:
-AASHTO GUIDE SPECS. FOR FRP PEDESTRIAN BRIDGES 5TH ED. 2008
-ASCE 7-10 (SEISMIC)
4- DESIGN LOADS:
-PEDESTRIAN LIVE LOAD= 90 PSF
-GROUND SNOW LOAD = 40 PSF
-WIND LOAD = 35 PSF
-EST. BRIDGE WEIGHT: 1065 LBS
-EST. COMPOSITE DECKING/RAILING WEIGHT: 2,958 LBS
5- UNFACTORED REACTIONS:
-MAX. VERTICAL
LL= 9.35 KIPS (4.68 KIPS/ABUTMENT)
DL= 4.02 KIPS (2.01 KIPS/ABUTMENT)
SL= 4.16 KIPS (2.08 KIPS/ABUTMENT)
-MAX. HORIZONTAL
Vseismic= 4.53 KIPS (2.26 KIPS/ABUTMENT) Vwind= 4.37 KIPS (2.18 KIPS/ABUTMENT)
B 23'-6"
ANCHOR CL to ANCHOR CL
24'-0" Overall Length
8 1 4 " 45 1
4 "
TYP. POST SPACING
53 1
2 " A
A
BRIDGE PROFILE AND SECTION - SCHEMATIC
0" BTM. OF
STRINGER
13 1 4 "
61 1 4 "
SECTION A-A
4x 1-1/4" x 5-1/2" TIMBERTECH
DOCKSIDER COMPOSITE RAILING
(AS PER & SUPPLIED BY NPS)
4"x6" RECYCLED PLASTIC POST
(AS PER & SUPPLIED BY NPS)
4"x6" RECYCLED PLASTIC POST
(RIPPED TO DEPTH, SUPPLIED BY NPS)
1/2" GALV. HARDWARE
(SUPPLIED BY NPS)
HOLES FOR ATTACHING TIMBER
RAILING TO BE PRE-DRILLED IN FRP
BEAMS BY MANUFACTURER
L3x3x3/8 FRP ANGLE
C6x3/8 FRP DIAPHRAGMS
1/2" GALV. HARDWARE
8x 1/4" GALV. CARRIAGE BOLTS/
BOARD (SUPPLIED BY NPS)
1-1/4" x 5-1/2" TIMBERTECH DOCKSIDER
COMPOSITE DECKING
(AS PER & SUPPLIED BY NPS)
12x6x1/2 FRP
I-BEAM STRINGER 15 11
32 " 15 11 32 " 15 11
32 "
48"
52"
FOR
27'-6"
28'-0"
-5000 LB. TRAIL EQUIPMENT LOAD
5'-0"
5'-0"
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