abc-utc september 2019 monthly webinar...abc-utc september 2019 monthly webinar precast segmental...
TRANSCRIPT
ABC-UTCSEPTEMBER 2019 MONTHLY WEBINAR
PRECAST SEGMENTAL BRIDGESFOR THE I-49 / I-220 INTERCHANGE
PRESENTERS:PAUL VAUGHT, P.E.
ASST. BRIDGE DESIGN ADMINISTRATORLOUISIANA DOTD
CRAIG FINLEY, P.E.MANAGING PRINCIPAL
FINLEY ENGINEERING GROUP, INC.
IVAN LIU, P.E.BRIDGE ENGINEER
FINLEY ENGINEERING GROUP, INC.
1
PROJECT PARTICIPANTS - DESIGNBRIDGE AND
STRUCTURAL DESIGNROADWAY AND
GEOMETRIC DESIGN
GEOTECHNICALEXPLORATION AND DESIGN
LIGHTING DESIGN
ARCHITECTURALDESIGN SURVEYING
2
PROJECT PARTICIPANTS - CONSTRUCTIONCONSTRUCTION INSPECTION PRIME CONTRACTOR SUBCONTRACTORS
CONSTRUCTIONENGINEERING
(CONTRACTOR)
3
Shreveport, LA
PROJECT LOCATION
Baton Rouge
New Orleans
4
INTERSTATE 495
PARK (4F)
ENVIRONMENTALJUSTICE NEIGHBORHOOD
LANDFILL
NORTH
SEGMENT K
I-49
I-220
6
NORTH
SEGMENT K
PHASE 2 PHASE 1
I-49
I-220
7
NORTH
SEGMENT KPHASE 2
RAMP SE(SOUTH TO EAST)
RAMP WN(WEST TO NORTH)
RAMP EN(EAST TO NORTH)
RUSSELL RD(I-220 WIDENING)
LENGTH: 3070’WIDTH: VARIES (64’ TO 40’)RADIUS: 3500’TWO LANES
LENGTH: 3300’WIDTH: 33’RADIUS: 840’ONE LANE
LENGTH: 700’WIDTH: 29’RADIUS: 550’ONE LANE
I-49
I-220
8
• 66” DIAMETERDRILLED SHAFTSUPPORTED FOOTINGS
FOUNDATION
• 9 OR 12 SHAFTSPER FOOTING
9
• SINGLE COLUMN
• STRADDLE
• CANTILEVER
SUBSTRUCTURE
10
TRAFFIC CONTROL• REQUIRED TO MAINTAIN ONE LANE IN EACH DIRECTION
• CROSSOVER EB TO WB LANES AND VICE VERSA
• FIELD CHANGE TO SUGGESTED SEQUENCE OF CONSTRUCTION
11
DESIGN ALTERNATIVES(DESIGN-BID-BUILD PROJECT)
PRECAST SEGMENTAL CONCRETE BOXESSTEEL TRAPEZOIDAL BOXES
• BIDDER #1 $138 MILLION• BIDDER #2 $144 MILLION• BIDDER #4 $159 MILLION
• BIDDER #3 $154 MILLION
• PROS: INCREASE COMPETITION / REDUCE CONSTRUCTION COST
• CONS: ADDITIONAL DESIGN TIME AND COST12
2019 PROJECT AWARD (SASHTO)“BEST USE OF TECHNOLOGY AND INNOVATION”
DR. SHAWN WILSON, DOTD SECRETARY (CENTER) WITHCARLOS BRACERAS, PRESIDENT OF AASHTO (LEFT) ANDJIM TYMON, CEO OF AASHTO (RIGHT)
2019 ASBIBridge Awardof Excellence
13