Rental and repair services for trench safety systems and equipment for underground construction use, namely, hydraulic shoring shields, braces and systems, trench shields, modular panel systems, metal excavation safety sleeve units for protecting workers around manhole installations, line taps, tie-ins, and small repairs; slide-rail systems, beam and plate systems, crossing (road) plates, trench shoring plates, pipe lasers, electronic levels, surveying instruments, rotating lasers, machine control systems, gas detection monitors, respirators, ELSA and rescue systems, blowers and ventilators, fall arrest and rescue equipment, pipe plugs, leak locators, deflection test gauges, joint testers, stringers, hydrostatic test pumps, piercing tools, pipe pushers, pipe and cable locators, drillhead monitors, boring systems, cut-off saws, wall saws, asphalt and concrete saws, saw blades, and bedding boxes