The Ramsey County Government Center is comprised of 6 individual buildings built from 1886 and 1964 up to 10 stories tall. The Adult Detention Center was constructed in 1976 and is 8 stories tall. The work included the demolition all 6 RCGC West buildings and the ADC building. In addition, the work also included the removal of all asbestos containing and hazardous materials, concrete processing, removal and capping of utilities, and restoration and repair of surface improvements. Another major component was bluff stabilization generally consisting of the installation of grouted rockbolts in the rear of the RCGC building; cellular concrete, lean concrete mix and /or granular fill; spray grout; and 18″ and 24″ structural reinforced cast-inplace concrete wall. Rachel also performed the excavation & disposal of contaminated soils.
PROJECT HIGHLIGHTS
- Total Demolition of 750,000 SF of High Rise Buildings
- Total Demolition of 7 Buildings (6 to 10 Stories and up to 125′ tall)
- ADC Building – Installation of Approx. 100 Anchor Rock Bolts
- RCGC West Building – Installation of Approx. 250 Rock Bolts
- New Concrete Reinforced Wall 18″ – 24″ thick – over 25,000 SF
- Areaway Concrete Backfill – over 12,000 CY
- Temporary, Permanent & Unreinforced Shotcrete – over 24,000 SF
- Spraygrouting – Over 22,000 SF
- 9,000 Tons of Contaminated Soil Disposal
