CONSENT OF JOHN A. MARTELL

Published on December 22, 1997



EXHIBIT 23.6

CONSENT OF PROPOSED DIRECTOR

The undersigned hereby consents to being named as a proposed member of the
Board of Directors of Quanta Services, Inc. (the "Registrant") in the
Prospectus constituting a part of the Registration Statement on Form S-1 of
the Registrant filed under the Securities Act of 1933, as amended.

/s/ John A. Martell
_____________________________________
John A. Martell

December 18, 1997