279 S.E.2d 353 (1981)
302 N.C. 396
S. J. GORVES AND SONS AND COMPANY
S. J. GORVES AND SONS AND COMPANY
v.
STATE of North Carolina and the North Carolina Board of Transportation.
Supreme Court of North Carolina.
April 7, 1981.Eugene A. Smith, Senior Deputy Atty. Gen., Raleigh, J. Chris Prather, Asst. Atty. Gen., Raleigh, for the State.
Nye, Mitchell, Jarvis & Bugg, Durham, for plaintiff.
Petition by defendants for discretionary review under G.S. § 7A-31. Denied.