Concrete foundation and anchored grade beam for construction of new home on steep hillside. Installed and pull-tested / tensioned 2 vertical rock anchors (45 kips), 2 micropiles (100 kips), and 4 inclined rock anchors (30 kips). Formed and poured reinforced … Continued
(Hawaii Public Housing Authority) Demolition and removal of existing CRM wall, replaced with new 210′ L.F. soil nail retaining wall with CRM veneers.
(University of Hawaii) – This purpose of this job was to halt the erosion of a large soil and rock slope on the east side of University of Hawaii lower campus. The Prometheus team graded, scaled, demolished boulders and constructed … Continued
(DOE) Extensive drilling of 8″ holes for tieback anchors into existing dry-stack rock wall. Installed soldier piles and applied 15″ thick sculpted shotcrete system.
(City and County of Honolulu) Removal and excavation of existing concrete and roadway shoulder. Installed aprox. 11,000 s.f of Geoweb swale (shoulder erosion protection).
(Private) Extensive boulder demolition and removal on unstable hillside.
(Hawaii Dept. of Transportation). Pattern bolting; rock scaling; boulder demolition; boulder stabilization in place; impact fence installation, cable net and wire mesh drapery, concrete drainage structures. *Award Winning*
(Hawaii Department of Transportation) Rock scaling & blasting; anchor drilling, grouting & testing; double-twisted wire mesh installation above highway.