Wailua River State Park Rockfall Mitigation

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(DLNR)  The intent of this project was to mitigate the rockfall hazard created by a previous landslide and thus increase public safety for river goers in the Wailua River State Park.  Scope of work includes rock scaling, boulder demolition, anchor … Continued

Red Hill Waterline A Installation

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(NAVFAC)  The intent of this project was to install a waterline from a water tank on top of a large steep slope to the roadside below in Halawa valley.  This scope included rock scaling, clearing, trenching on the slope, 600’+ … Continued

Schofield Army Base Shotcrete Shoring

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(ARMY)  The intent of this project was to mitigate the hazard of wall collapse through the use of wet mix shotcrete shoring.  The excavation pit needed to be an overall depth of 15′, with the digging and shotcreteing taking place … Continued

Pali Highway Shotcrete Honolulu

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(DOT Honolulu) The intent of this shotcrete project was to mitigate rockfall hazards impacting the Pali Highway in Nu’uanu in order to increase public safety. This project began with vegetation clearing and rock scaling. Prometheus then drilled 2′ deep anchor bar holes at 8′ … Continued

Kapolei Interchange Soil Nail Wall

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(Hawaii Department of Transportation) This soil nail wall project on the Kapolei Interchange was constructed for hillside stabilization, erosion control, and public safety.  Scope of work was slope surface preparation, drilling of 1,210 linear feet of 25′ deep soil nail … Continued

Slope Improvements for Erosion Control

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(Hawaii Department of Transportation) This project included 12 different sites around Oahu. Scope of work was; slope surface preparation, clearing vegetation, recontouring by grading and shaving of slopes, installation of anchored wire mesh along slope above highway (with 542 soil/rock … Continued

Ala Wai Boat Harbor Improvements

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(DLNR) Demolished and removed 20 existing deteriorating concrete docks along with associated pile-caps and gangways.  Furnished 20 new aluminum framed docks with composite decking.  Installed new dock boxes and chain link entry gates. Tremie poured 2’ diameter piles around existing … Continued