2. Mulholland Bridge Demo
A story about
• Demolition
• Public Outreach
• Interagency Cooperation
Lessons learned
• Full Freeway Closures
• The Design Build Process
• Mega Projects
3. I-405 Project Scope
• 10 Miles Hov Lane
• Rebuild 3 bridges
• Rebuild 28 ramps
• Build18 miles of retaining walls
25. Possible Detour:
Sepulveda Boulevard
Sepulveda Boulevard from National off Sepulveda Boulevard at Tunnel
ramp to Greenleaf on ramp: 10.7 miles 1 NB lane, 2 SB lanes
30. Motorist Information
Changeable Message Signs Portable Changeable Message Signs
• 3 weekends in June and July 1-15 • 46 on freeway network
• 40 signs from San Diego to Oregon • 35 on city streets
border on I-5, SR-99, US-101and • Caltrans Highway Information Network
on I-10, I-210 and SR-60 Local 511 phone and website broadcast
• 64 signs in LA and Ventura the event starting early June
Counties • GPS linked services announcement
34. Traffic by the Numbers
• Northbound 405 at Culver dropped 64%
• Southbound 405 dropped 56%
• US 101 near I-405 dropped 40%
• I-10 near I-405 dropped 25%
• LA County dropped 44%
Freeway was opened 17 hours ahead of
schedule
37. Setting Girders at Skriball Bridge
As Built
Freeway closed in one
direction for five nights from
midnight to 5 am.
Proposed Alternative
Full freeway closure for 12
hours from Friday 10 pm to
Saturday 10 am.
38. Design-Build Promotes Cooperation
• Design-Bid-Build
– Completed Transportation Management Plan in the contract
• Design-Build
– Transportation Management Plan data sheet in contract
– Final Plan is designed to meet specific needs
39. Mega Projects bring Mega Resources
• Engineering and Planning
• Equipment
• Materials
• Political Momentum
• Subcontractors
40. Mulholland Bridge Demo
A story about
• Demolition
• Public Outreach
• Interagency Cooperation
Lessons learned
• Full Freeway Closures
• The Design Build Process
• Mega Projects
For more than 125 years, Kiewit has always delivered. We've evolved into one of the largest and most respected construction and mining organizations in North America. At Kiewit, we build quality projects safely, on time and on budget; no matter how large or small.
For more than 125 years, Kiewit has always delivered. We've evolved into one of the largest and most respected construction and mining organizations in North America. At Kiewit, we build quality projects safely, on time and on budget; no matter how large or small.