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Adrian Marsh
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2 PND ENGINEERS, INC.

3 OPEN CELL TM STRUCTURE LOCATIONS OPEN CELL structures can be found throughout the world, with over 180 completed structures to date. International projects not shown

4 OPEN CELL TM INTRODUCTION Retaining structure Mechanically stabilized embankment (MSE) Horizontally tied membrane Vertical anchor wall Arched face

in large seismic events High load capacity Allows

5 OPEN CELL TM TECHNOLOGY Low sensitivity to scour Easy modifications Minimal embedment required Stable in large seismic events High load capacity Allows high wall heights Accommodates soft soil or shallow bedrock

6 OPEN CELL TM STRUCTURE USAGE OPEN CELL SHEET PILE TM docks and bulkheads are versatile and can be designed for a variety of soil and environmental conditions, including: Soft soil Shallow bedrock Scour Ice Seismic conditions Long-term settlement Minimal embedment Deep Water High loads

7 OPEN CELL TM STRUCTURE COMPONENTS PND designs the OPEN CELL system using flat sheet pile and extruded connectors Anchor Pile Section Tailwall SWC 120 Sheet Pile Section

8 Owensboro Riverwall Owensboro, KY VE project Waterfront park & land reclamation Variable soil conditions Owner: City of Owensboro Contractor: t Richard Goettle, Inc. Date: 2009 ongoing The riverwall spans approximately 1,600 feet along the Owensboro riverfront, and consists of 43 cells

9 Hero Canal Bulkhead Plaquemines Parish, LA Owner: Army Corps of Engineers Contractor: Matt Durand / Gulf Intracoastal Constructors Date: 2010 Adjacent USACOE levee Soft soils 300-ton crane live load Construction dock

10 Schnitzer Steel Bulkhead Dock Burbank, WA 300-foot long heavy-lift bulkhead Owner: Schnitzer Steel Contractor: Advanced American Construction Date: 2008

11 Argosy Casino Bulkhead Lawrenceburg, IN Owner: Argosy Casino Contractor: Richard Goettle, Inc. Date: cells, approximately 2,000 linear feet Moorage for floating casino Back-to-back wall with tailwalls lapped Variable soil conditions Lead engineer Core Fundamentals Geotechnical HC Nutting / Terracon

12 Morgan City Bulkhead Morgan City, Louisiana Owner: Haliburton Contractor: t Berry Bros. General Contractors t Date: foot OPEN CELL TM bulkhead Constructed to support soft clay Encapsulated existing bulkhead

13 Omega Bulkhead New Iberia, Louisiana Owner: Omega Natchiq, Inc. Contractor: Matt Durand Date: 2003 & 2008 Two projects Two bulkheads Lead engineer Berard, Habetz & Associates Filled s lip - vibracompaction

14 Wellsville Dock Wellsville, Ohio Owner: Wellsville Terminals Contractor: Crawford Construction Date: 2006 Two OPEN CELL TM bulkheads Heavy lift capabilities

15 Sabine Pass LNG Terminal Cameron Parish, LA Excavated slip to -45 feet LNG terminal Lead engineer Bechtel Geotechnical Tolunay & Wong Owner: Cheniere Contractor: BoMac Date: 2006

16 Contra Costa WD Bulkhead Contra Costa, CA Owner: Contra Costa Water District Contractor: Pile Foundation Inc. Date: 2009 ongoing Lead engineer Carollo Engineers Geotechnical Hultgren-Tillis 540-foot long bulkhead Part of a water intake structure

17 Ashland Riverfront Ashland, KY 14 cells approximately 400 feet along the Ohio River Waterfront park land reclamation Pocket cruise ship dock Lead engineer -KZF Geotechnical engineer HC Nutting Owner: City of Ashland Contractor: Smith Contracting Date: 2009 ongoing g

18 Navy Terminal Pier and Seawall Umm Qasr, Iraq Iraqi Navy facility 35 cells 1200 feet long Soft soils The Umm Qasr seawall created approximately 9.5 acres of usable upland area Owner: Army Corps of Engineers Contractor: PolyEarth Construction International Date: 2010

19 Tampa Port Berths 1 & 2 Tampa, Florida Encapsulated existing bulkhead Increased dredge depth O T B P ta th it Owner: Tampa Bay Port Authority Contractor: Misener Marine Construction Date: 2000

20 Port of Anchorage Anchorage, AK Two-mile long project Wall height to 85-feet High seismic Lead ICRC Geotechnical Geoengineers & Terracon Owner: Port of Anchorage Contractor: Various Date: Ongoing

21 Port of Anchorage Anchorage, AK The port s bulkhead will create more than 135 acres of usable upland area

22 Plum Point Car Dump Shoring Osceola, AR Owner: Plum Point Power Partners Contractor: Kiewit Industrial Deep excavation Date: 2007 Jet grout seal High water table

23 Plum Point Car Dump Shoring Osceola, AR

24 OPEN CELL TM BULKHEAD CONSTRUCTION Initial pile driving around shoring pit Construction Sequence Construction Sequence at Plum Point Car Dump Shoring A total of 19 cells were created

25 OPEN CELLTM BULKHEAD CONSTRUCTION Completion C l ti off pile il d driving i i prior to internal excavation of the pit

26 OPEN CELL TM BULKHEAD CONSTRUCTION

27 OPEN CELL TM BULKHEAD CONSTRUCTION

28 OPEN CELL TM BULKHEAD CONSTRUCTION Pit excavation

29 OPEN CELLTM BULKHEAD CONSTRUCTION

30 OPEN CELL TM BULKHEAD CONSTRUCTION

31 Contact Us PND Engineers, Inc. 811 First Avenue, Suite 570 Seattle, Washington p: f: L.B. Foster Company 130 Satelitte Boulevard NE, Suite A Suwanee, GA p: f: Visit us online at:

KIEWIT FOUNDATIONS GROUP

KIEWIT FOUNDATIONS GROUP KIEWIT ADVANTAGE LOCAL CONTRACTOR, EXPANSIVE REACH With a strong local presence, access to a vast network of resources throughout North America and a focus on self-performing work,