(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
(Private Homeowner) A Honolulu homeowner was dealing with an unstable rockslide area behind their home. Prometheus assessed the situation and stabilized the hillside. Scope of work included installing rebar dowels, hot dip galvanized welded wire mesh, geo-composite drainage strips and … Continued
(Department of Design and Construction, C&C of Honolulu) The intent of this project was to mitigate of rock slide hazards along Moanalua Loop. The project scope included clearing and grubbing, slope scaling, dangerous boulder demolition and removal, and 5070 square feet of … Continued
(Department of Design and Construction, C&C of Honolulu) This intent of this rockslide mitigative improvement project was to mitigate potential rockfall hazards impacting Alencastre Street and Dole Street in Honolulu in order to increase public safety. The job scope included stabilizing 5 … Continued
Pupukea Road Rockfall Mitigation (City and County of Honolulu – Haleiwa, Hawaii) Phase 2: Significant clearing and scaling of hillside. Cut much of slope 4′ back from edge of pavement to allow for better line of site and provide a … Continued
(City and County of Honolulu) Significant clearing and scaling of hillside. Installed 800′ L.F. of anchored mesh drapery above city roadway. Installed 200′ L.F. of high impact fence at a height of 6.6′ and 600′ L.F. of high impact fence … Continued
Reinforce and stabilize existing rock retaining wall which is slipping. Install ten 15′ deep fully grouted 2″ tie-back anchors connected to heavy-duty strong-back walers. Anchors torqued to 300 foot/lbs of pressure. Installed 10 weep holes at base of wall. Installed … Continued
Reinforce and stabilize failing CRM retaining wall. Prometheus installed 20′-30′ deep fully tie-back anchors connected to strutural reinforcement layer. Anchors locked off to 25-35,000 pounds of torque. Installed 12 weep holes into wall. Installed 12″ thick 4,000 psi fiber-reinforced shotcrete … Continued
Demolition of large threatening boulder on steep hillside above private residence. Boulder was lashed and anchored, along with a temporary impact fence installed below. The rock was then split and demolished into many small pieces and secured.
Stabilize existing driveway retaining wall which is being undercut and slipping. Clear soil and vegetation, install 28 – 15′ deep fully grouted tie-back anchors connected to heavy-duty strong-back walers. Anchors torqued to 300 foot/lbs of pressure. Installed drainboard and weep … Continued