CONSENT OF MCGLADREY & PULLEN, LLP

Published on November 15, 1999



EXHIBIT 23.6


CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation by
reference in this registration statement of Quanta Services, Inc., of our report
dated February 5, 1999, on the financial statements of Bonneville Construction
Company, Inc. as of and for the year ended December 31, 1998 included in Quanta
Services, Inc.'s Form 8-K dated on or about November 15, 1999 and to all
references to our Firm included in this registration statement.


/s/ McGLADREY & PULLEN, LLP



Las Vegas, Nevada
November 15, 1999