2002:
Bridge over PR-18 in San Juan. Vertical cut (11.5 meters, 38 feet) using soil nails along existing bridge for construction of new bridge abutment.
1999:
Geotechnical characterization and design recommendations for the San Antonio Tunnel.
1986:
Dewatering and excavation designed by GeoConsult for 12'-deep excavation in sand with lower clay basement, San Juan, P.R.
2000:
View of 15-foot excavation within highly congested treatment plant, dewatered using single interior sump pump and gravel mat with H-piles and wood lagging.
1990:
Excavation next to Atlantic Ocean in Isla Verde, Puerto Rico - dewatered using combination trench drain and wellpoint system. Note wood lagging retention system.
1984:
48-foot-deep excavation in soft alluvial soils - excavation considered possibility of blowup due to artesian pressures in lower calcareous deposits.