John James Audubon Bridge. The Dispute Resolution Board Foundation's 14th Annual Meeting and Conference

Transcription

1 John James Audubon Bridge The Dispute Resolution Board Foundation's 14th Annual Meeting and Conference

2 John James Audubon Bridge Francis Marion Hotel King Street Charleston, South Carolina October 3, 2010 Stephen Spohrer, PE Louisiana TIMED Managers / GEC, Inc.

3 Louisiana TIMED Program Louisiana TIMED Program A Louisiana Department of Transportation & Development project Managed by Louisiana TIMED Managers, a joint-venture of GEC Inc. PB Americas Inc. THE LPA GROUP INCORPORATED

4 History and Purpose of TIMED Transportation Infrastructure Model for Economic Development Connect major cities of Louisiana with four-lane highways Enhance economic development Bridge crossings to promote connectivity Funding for intermodel enhancements

5 History and Purpose of TIMED Legislation written into the Constitution in 1989 Pay as you go accelerated in 2002 Program manager LTM Contracted in 2002 Road projects finishing in 2010 Two crossings of the Mississippi River

6 Miles and Dollars 536 miles of four-lane road: $3.592 billion 3.2 miles of HPL Bridge: $1.2 billion 15.3 miles of JJA Bridge: $408 million Total program: $5.2 billion

7 TIMED Projects US 167 US 171 LA 15 US 165 St. Francisville US 61 LA 3241 NOIA W. Napoleon Earhart Blvd. Florida Ave. Port of N.O. WB Expwy Tchoupitoulas Huey P. Long US 90

8 LTM s Role Program Management of the Entire Program Financial Management Project Administration of List B (Roads) and List C (Major Bridges) Projects Public Outreach

9 Audubon Bridge Constructors (ABC) Audubon Bridge Constructors A joint-venture of Flatiron Constructors Granite Construction Parsons Transportation Group

10 Project General Facts 2.44-mile four-lane elevated bridge structure with two 11-foot travel lanes in each direction with 8-foot outside shoulders and 2-foot inside shoulders

11 Project General Facts Approximately 12 miles of two-lane roadway connecting LA 1 east of Hospital Road in New Roads to U.S. 61 south of LA 966 and St. Francisville Four new intersections at existing LA 1, LA 10, LA 981 (River Road) and U.S. 61 for entry to and exit from the new roadway and bridge

12 General Facts Project broke ground in May 2006 Main span will be the longest cable-stayed bridge in North America once completed at 1,583 feet

13 General Facts First design-build project in Louisiana Bridge serves as the only Mississippi River crossing between Baton Rouge and Natchez $408 million total cost $350 million contract cost

14 Economic Development What the Audubon Bridge brings A more efficient and reliable route for Pointe Coupee and West Feliciana A more efficient route for commerce and shipping traveling from central Louisiana Increased traffic provides opportunity for gas stations, restaurants, hotels and other businesses along the corridor

15 Economic Development What the Audubon Project has brought As many as 300+ people working on the project at one time since 2006 TIMED Program has 80 percent Louisiana residency requirement Contractor pays sales tax on all goods purchased and delivered to site (West Feliciana and Pointe Coupee) Contractor uses local vendors (majority from Baton Rouge and surrounding areas)

16 Audubon Mainspan Quick Facts Towers 520 height 2 crossbeams Anchored by 42 drilled shafts 180 feet into the Mississippi

17 Audubon Mainspan Quick Facts Mainspan Deck 1,583 length Approximately 130 elevation Composed of 428 precast concrete panels in 53 segments 136 stays (4,548 individual cables) attached ranging from 220 to 830 in length

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19 Mainspan Current Status of Project Towers are at final height Lower crossbeam complete; upper underway 14 of 53 bridge segments erected 10 stay cables in place

20 Current Status of Project Approach roadways All seven smaller bridges complete except guardrails East approach roadway has all pavement structure except riding surface (to complete at end of project) West approach roadway expected to complete in October High-level approaches on both sides under construction

21 Partial Project Opening Approximately 8 miles of new roadway in Pointe Coupee expected to open to public in October This includes new intersections at LA 10, LA 1 and LA 981.

22 Footings Tower Construction 42 (21 each) drilled shafts anchored into Mississippi Cofferdams constructed above water and lowered; water then pumped out Cofferdam specs: 160 x 64 x tons

23 Cofferdam Photos

24 Cofferdam Photos

25 Cofferdam Lowerings

26 Footings Tower Construction Pedestals constructed 35 tower lifts of 13 segments performed on each tower

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42 Audubon Time-Lapse Video

43 Audubon Bridge Project Fun Facts State Capitol 460 Audubon Tower 520 One Shell Square, N.O. (Tallest Building in Louisiana) 697 RMS Titanic 882 Empire State Building 1,453

44 Audubon Bridge Project Fun Facts Deck will be 241,600 square feet Approximately four football fields Deck weighs approximately 25.7 million lbs. Approximately 6,000 tons more than the Eiffel Tower

45 Audubon Bridge Project Fun Facts 82,000 cubic yards of concrete used on the project to date Fills more than 25 olympic-sized swimming pools Approximately 1,558,000 tons of concrete used to date More than four times the weight of the Empire State Building

46 Audubon Bridge Project Fun Facts Approximately 13.5 miles of cable stays Would stretch from downtown Baton Rouge to Denham Springs 452 miles of individual cables Would stretch from Baton Rouge to San Antonio Approximately 90,000 bolts used 68,000 in mainspan 22,000 in approaches

47 Risk Assignment Legislature through Design-Build tried to assign nearly all risk to the contractor Louisiana DOTD tried through the contract to assign nearly all risk to the contractor

48 Risk Assignment What Happens?

49 Risk Assignment Stuff Happens!

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51 Risk Assignment 46 change orders to date, 4 are in draft, budget, or pending mode 10 change orders add dollars and/or time to the project $6,300,000 ( 2%) added to the project 129 days ( 9%) added to the project 4 additional change order requests anticipated to be resolved

52 Risk Assignment 10 change orders add dollars and/or time to the project 6 change order requests rose to the Dispute Resolution Board 5 DRB recommendations received have been resolved into change orders 1 change order request returned by the DRB to the contractor for tweaking and improvement

53 Hats Off to Our Board Harold V. McKittrick, Chairman Jimmy B. Lairscey Edwin W. McLaughlin

54 Questions?