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www.ContechES.com Going With The Flow Open Bottom Structures for Fish Migration Tom Hennessey, Bridge Consultant MA,CT,RI
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Going With The Flow
Open Bottom Structures for Fish Migration
Tom Hennessey, Bridge Consultant MA,CT,RI
www.ContechES.com
• Contech Introduction
• Solution Overview
• Foundation Discussion
• Scour Discussion
• Applications
• Partnering With Contech
Solution Development
• Project Design Worksheet
• Structure Selection
• Siting & Layout
• DYOB
• Engineer Estimate
• Site Simulation
• Proposal Preparation
• Design Build Support
Design Support
• Specifications
• Contract Drawings
• Permitting
• Structural/Fabrication Drawings
• Approval Assistance
• Custom Shape Development
• Horizontal/Vertical Alignment
• Hydraulics & Scour Support
• Foundations
Installation Support
• Preconstruction Meeting
• On-Site Installation Assistance
• Logistics Coordination
Agenda
Options & Support Specific to Your Project Needs
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Bridges & Structures, Stormwater Management, Pipe,
Erosion Control and Retaining Walls
Contech Engineered Site Solutions
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CROSSINGS. CULVERTS. BRIDGES. CONTECH.
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• Over 60 Engineers and CAD Specialists
• 200 Contech Specialists covering all 50 States
• Over 100 years experience in the Construction Industry
Contech. Your project partner.
Precast Plate Truss
50 years 80 years 60 years
8,000 installations 50,000 installations 20,000 installations
……………………. Comprehensive Engineering Support …………………..
…………………….Installations In Every State…………………..
© 2017 Contech Engineered Solutions LLC, a QUIKRETE Company
LEGEND
Contech
Manufacturing
Partner
Manufacturing
Manufacturing Capabilities
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Clear Span Bridges
Clear spans to 300’
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Contech Structural Plate
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Durability Benefits of Clear Span
BridgeCor
• Deep corrugated metal structures
Spans up to 80’
AASHTO approved
9X stiffer than MULTI-PLATE
Accelerated construction methods
Improves Long Term Durability• No Invert - Keep normal flows away from
structure
• Exposure to high flows for short duration
• Free draining backfill
• Clear span sensitive wetlands
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Lightweight, Bolted Plate Construction
Freight economy Efficient assembly
Lift and set in place Handles highway loading
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Precast – CON/SPAN and BEBO Concrete Arches
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PRECAST FOUNDATION PRECAST HEADWALLPRECAST ARCH UNIT
PRECAST WINGWALL CURVED ALIGNMENTTWIN LEAF CONSTRUCTION
Modular Components
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Any Application, Many Solutions – You Optimize
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Design Challenges
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Structure Selection and Hydraulic Assistance
HEC-RAS Bridge Coordinates
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200 SF Waterway
0-300 Series
27’ Span
10
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CON/SPAN
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BEBO Arch Systems
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Footing Reactions Minimize Stream Disturbance
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A precast foundation system that blends the speed of
precast with the economy of cast-in-place
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Insert local appropriate applications –
no more than two slides
Insert local appropriate applications –
no more than two slides
CIP FILL PROCESS
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Silver Hill Hospital
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Silver Hill Hospital
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Silver Hill Hospital
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Copicut Reservoir Dam
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Copicut Reservoir New Bedford, MA
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Copicut Reservoir Dam
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Copicut Reservoir Dam
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Sale• TIMELINE
• PO- 7/31
• SHIPPED 8/30, ARRIVED 9/4
• FISH WINDOW CLOSED 9/15
Express Footers arrive with majority of steel reinforcement tied at manufacturing facility.
MONROE WOODLANDS – STEEL EXPRESS
Place on 4” minimum granular sub-footing
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Steel Express Foundations
INSTALLATION
Secure footing with rebar anchors provided, and lap splice between units.
Assemble first ring of plate structure.
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Steel Express Foundations
INSTALLATION
Place plate structure on footers and spread streambed material.
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Structural Plate Shapes
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Local Applications
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Don’t Touch The Wetland
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ALBC Full Invert With Fish Baffles
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Deep Creek Before
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Deep Creek / New Arch
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Trout Creek outlet before
restoration 2005
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Trout Creek outlet after restoration 2005
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Reline, Rehab, Liner Plate
PLATE TUNNEL LINER PLATEPRECAST
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Reline before Fish Ladder
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CTDOT Marlborough CT 66” Elliptical Pipe
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Apponaug River Relocation Warwick RI
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RI DOT Appanaug Circular Bridge Warwick, RI
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RI DOT Appanaug Circular Bridge Warwick, RI
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RI DOT Apponaug Circular Warwick, RI
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RI DOT Appanaug Circular Warwick, RI
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RI DOT Apponaug Circular Bridge Warwick, RI
2 Years after Installation
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RI DOT Aponaug Circular Bridge Warwick, RI
2 Years after installation
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Bonny Rigg Road MA DOTBeckett, MA
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Covered BridgeNewtown, CT
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Working with Contech
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Solution Development
Design Support Installation
Building Blocks to a successful Project
www.ContechES.comDYOB® at www.conteches.com
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Contract Drawings
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Solution Development
InstallationDesign Support
• Attending Pre-Bid Meetings
• Holding Preconstruction Meeting
• Field Consultants Attend all Installations
Building Blocks to a Successful Project
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Solution Development
• Project Design Worksheet
• Structure Selection
• Siting & Layout
• DYOB
• Engineer Estimate
• Site Simulation
• Proposal Preparation
• Design Build Support
Design Support
• Specifications
• Contract Drawings
• Permitting
• Structural/Fabrication Drawings
• Approval Assistance
• Custom Shape Development
• Horizontal/Vertical Alignment
• Hydraulics & Scour Support
• Foundations
Installation Support
• Preconstruction Meeting
• On-Site Installation Assistance
• Logistics Coordination
Contech. Your project partner.
Options & Support Specific to Your Project Needs
• Comprehensive Site Solutions
• Over 60 Engineers and CAD Specialists
• 200 Contech Specialists covering all 50 States
• Over 100 years of experience
www.ContechES.com
Questions?
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