
Benjamin Ntumba
Staff Engineer
Professional Experience
❖ Field training and management of new hires
❖ Lab testing including Atterberg limits, gradation, unconfined compressive strength, -200 wash, and moisture content
❖ Field concrete pouring and soil density testing for SACWSD Water Treatment Plan in Adams County
❖ Structural inspection including post-tension testing of concrete slabs for Ellipse Townhomes in Boulder
❖ Structural inspection including foundations, columns and beams for Town Place Suites Hotel in Thornton
❖ Field concrete pouring and soil density testing for Gun Club, Quincy, and E-470 intersections
❖ Field concrete pouring and daily collection of curing temperatures for Denver Stockyard water tower and railroad displacement
❖ Field concrete pouring and soil density testing for I-25 North in Loveland
❖ Geotechnical evaluation (site survey, drilling, core logging, sampling, lab testing, and prepare field observation and geotechnical report) for parking redevelopment for REI Denver
❖ Geotechnical evaluation (site survey, drilling, core logging, sampling, lab testing, and preparation of field observation and geotechnical report) for the Rocky Mountains National Park communication tower
❖ Geotechnical evaluation (site survey, drilling, core logging, sampling, lab testing, and preparation of field observation and geotechnical report) for Towerview Townhomes in Arvada