Highways and transit, tested around the traffic.

Deck & structural materials testing

Concrete, grout and high-performance overlays sampled at the truck and broken to the agency's schedule.

AASHTO R18 · CCRL

Structural steel & welding inspection

Bolting, welding and erection inspection on bridges and transit structures, under agency and NYCDOB requirements.

NYCDOB Class 1

Foundation borings & subsurface investigation

Abutments, piers and retaining structures logged with our own rigs and crews, including limited-access work.

ASTM D1586

Pavement QA & condition survey

Mix verification, full-depth coring and in-place compaction on roadway and approach work.

Night & staged closures

NDT & ground penetrating radar

Rebar location, delamination mapping and weld evaluation on structures already carrying traffic.

ASNT Level II & III