CONSENT OF NATHAN WECHSLER & COMPANY

Published on November 15, 1999



EXHIBIT 23.13

[LETTERHEAD OF NATHAN WECHSLER & COMPANY]

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 January 27, 1999, on the consolidated financial statements of Seaward
Corporation and subsidiaries for the year ended December 31, 1998 included in
Quanta Services, Inc.'s Form 8-K dated June 17, 1999 and to all references to
our Firm included in this registration statement.



/s/ Nathan Wechsler & Company
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Nathan Wechsler & Company

Concord, New Hampshire
November 12, 1999