and/or laboratory testing, observation, and inspection of construction materials (e.g. soils, aggregates, concrete, asphalt, and steel...: Certifications in two or more of the following areas: NICET Level II certification in Construction Materials Testing...
and aggregates. Confirm materials adhere to specifications. Inspect and verify construction work in process to ensure compliance..., under the general supervision of GRAEF's CEI Construction Engineer and/or Project Administrator. Perform highly complex...