Seattle Viaduct

  • Client: Kiewit Construction
  • Location: Seattle, WA
  • Year of Completion: 2019
  • Contract Category: $5M-15M
  • Bid Schedule: 18 months
  • Actual Schedule: 18 months
  • SF Demolished: 1.5 miles
  • Concrete (tons): 120,000 at 100% diversion
  • Steel (tons): 8,700 at 100% diversion
  • Totals (tons): 128,700 at 100% diversion
  • Categories: Infrastructure / Heavy Civil, Hard Demolition

Scope

  • The Alaskan Way Viaduct was a double-deck elevated highway built in the 1950s
  • FERMA was contracted for its complete demolition, spanning 1.5 miles
  • Over two dozen tier-4 compliant heavy equipment units were used
  • Project was completed on schedule, without incidents, and within budget
  • Kiewit won the prestigious award for Urban Demolition $10M or over, only the second winner in the USA, and recognized FERMA in their acceptance