Michigan City Department of Water Works West Intake Extension · Michigan City Department of Water Works West Intake Extension Presented By: Stanley S. Diamond. Ohio Section AWWA.

Michigan City Department of Water Works

West Intake ExtensionPresented By:

Stanley S. DiamondOhio Section AWWASeptember 28, 2017

Michigan City’s Intakes - 2003

N

Washington ParkBeach

Water Plant

West Intake & Crib

East Intake & CribAbandoned Intake

Dates of Installation

19591959

19141926

Problem Number One - Sand Deposition Around The Shore Wells

First Sea Walls 1834 / Present Sea Walls 1904

Shore Wells and Intake Lines

West Shore Well

East Shore Well

WaterTreatment

Plant

Washington Park

West Shore Well

East Shore Well

East Intake Partial Profile In 2003

35’30’

Problem Number Two -Sand Deposition In East Intake

• Special Recognition to:– Steve Davis, Indiana

Department of Natural Resources

Surf Zone Dynamics

Summer Winter

Lake water levels also impact the location of the sand bars!

Intake Restricted

East Intake Profile

Proposed Intake Improvement Phases

East Intake ExtensionOn-Shore IOn-Shore II

On-Shore III

West Intake Extension

2005 - East Intake Extension

New Intake Pipe

New East Crib

Contractor: Luedtke Engineering Company

2006 On-Shore Phase I Construction

Contractor: Woodruff & Sons, Inc.

2007 On-Shore Phase II

Contractor: Woodruff & Sons, Inc.

2008 On-Shore Phase III –New Access Structure

Last Intake Improvement Project

East Intake ExtensionOn-Shore IOn-Shore II

On-Shore IIIWest Intake Extension

Design and Bid Documents Preparation

Permitting

• IDEM Construction Permit (Not Required)– July 31, 2014 – August 1, 2014

• IDNR Construction Permit– July 27, 2014 - Sept 17, 2014

• IDEM Section 401 Water Quality Certification– July 27, 2014 - Sept 30, 2014

• US Army Corps of Engineers– July 27, 2014 – March 28, 2016 (20 Months!)

Scope of Construction

• Video Inspect Existing Intake Pipe Interior• Backflush & Clean Out Existing Intake Pipe• Re-video Inspect Existing Intake Pipe Interior• Remove Existing Crib• Install New Intermediate Access Structure• Install 1,500’ of 48“ Pre-stressed Concrete Cylinder

Pipe• Install New Timber Crib and Rock Apron• Video Inspect Intake Pipe Interior, Crib, and Apron• Perform Bathometric Survey

Bid Results

• Bid Date: August 18, 2015• Bid Amount: $ 3,459,339.00• Successful Bidder:

Great Lakes’ Marine Construction Equipment

• Tug Boats – Fischer Hayden, Meredith Ashton• Jack-up Work Barge – Hannah Avery• Manitowoc Crane• Dump Scow – Scow 120

Internal Video Inspection Equipment

June 21, 2016

Backflushing Equipment & Piping

Pigging Existing Intake

Demolishing Existing Crib

Special Adaptor Required

Delivering, Staging & Handling PCCP

Installing New Intermediate Access Riser

Digging Trench & Installing Pipe

GLD&M Photo

Pipe Installation Equipment & Materials

• Hydro-pull System• “Cookies” and Sandbags• Temporary Cap• Stone Bedding and

Backfill

Crib Layout & Design

Crib Inlet Funnel & Cleanout Riser

Building Crib

Building Crib

Ballast Compartment Caps

GLD&M Photo

Transporting Crib

GLD&M Photo

Installing Crib

GLD&M Photo

Sinking Crib

Placing Ballast Compartment Caps

Placing Crib Cover

Crib Apron Plan

Crib Apron Section

Constructing Crib Apron

Illinois DOT Riprap #7

Construction Challenges• Weather (Winds)• Rough Lake Conditions• Public Events• Available Dive Time• Trench Failures• Custom Adaptor Fabrication Time• Pipe Delivery & Staging• 12+ Hour Shifts, Weeks at a Time

PHOTO CREDIT: NWI TIMES

Final Internal Video Inspection Equipment

October 11, 2016

Final Crib & Apron Video Inspection

October 26, 2016

Final Bathometric Survey

December 12, 2016

Substantial Completion & Construction Cost

• Substantial Completion: October 28, 2016• Construction Cost

– Original Bid Amount: $3,459,339.00– One Change Order: ($3,000.00)– Final Construction Cost: $3,456,339.00

Final Overall Intake Construction Cost

East Intake Extension - $1,446,954On-Shore Replacements - $3,939,055West Intake Extension - $3,456,339Total $8,842,348

Acknowledgements

• Department of Water Works– Randy Russell, Jim Kintzele Jr., Greg Burnett

• Wessler Team Members– Dylan Lambermont, Ryan Sidler, Michelle Everetts, Amy

Harvell, Brad Robinson, Josh Hood, Doug Stephenson, Dreama Doolittle

• Other Design Team Members– Dr. Ty Lynn, Donohue & Associates

• Great Lakes Dock & Materials– Joe Bailey, Peter Dunning, Adam Helfrey

Subcontractors

• Hibbard Inshore – ROV Video Inspections• Lake Erie Diving – Pressure Testing• Baker Corp – Temporary Pumping• Seaworks – Multibeam Surveying

Questions?