Grainy Ex Rel. Grainy v. Campbell

OPINION OF THE COURT

LARSEN, Justice.

This negligence action raises the question of whether an intervening negligent act of a second actor will discharge a first actor’s liability for antecedent negligence.

*90In 1971, appellee M. O’Herron Co. (contractor) was replacing a gas pipeline for appellee Peoples Natural Gas Co. (gas company) along Saltsburg Road in Plum Township, Allegheny County. An uncovered excavation, which was barricaded with metal horses and dirt, obstructed the entire berm on the north side of Satlsburg Road.

Appellee Thomas A. Grainy, age 12, was in a single file line, of Boy…