
    TEX-ARK JOIST COMPANY, a Delaware corporation, Petitioner, v. DERR AND GRUENEWALD CONSTRUCTION COMPANY, formerly Derr Steel Erection Company or Derr of Colorado Inc., Respondent.
    No. 86SC176.
    Supreme Court of Colorado, En Banc.
    Nov. 3, 1986.
   Petition for Writ of Certiorari GRANTED.  