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                                                                    EXHIBIT 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

      We consent to the incorporation by reference in this Registration
Statement on Form S-4 of our report dated February 12, 1998, on our audits of
the consolidated financial statements of Stone & Webster, Incorporated as of
December 31, 1997 and 1996, and for each of the three years in the period ended
December 31, 1997.

      We also consent to the reference to our firm under the captions "Experts"
and "Selected Financial Data".


                                              /s/ PricewaterhouseCoopers LLP

   

Boston, Massachusetts
July 13, 1998