Kilduff Underground Engineering Share: Civil Engineering Visit Website Request Info 535 16th Street, Ste 620 Suite 620 Denver, CO 80202 (720) 431-0575 LinkedIn About Us Underground Engineering design for utility contractors. Design of excavation support systems, tranches technologies, dewatering systems, geotechnical instrumentation & monitoring.Kilduff Underground… read more About Media Map About Underground Engineering design for utility contractors. Design of excavation support systems, tranches technologies, dewatering systems, geotechnical instrumentation & monitoring.Kilduff Underground Engineering | Civil Engineering Media What's Nearby? Distance: 5 10 15 20 25 50 mi.