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| FORM 3 |          U.S. SECURITIES AND EXCHANGE COMMISSION
+--------+                  WASHINGTON, D.C. 20549

            INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
      Section 17(a) of the Public Utility Holding Company Act of 1935 or
              Section 30(f) of the Investment Company Act of 1940

(Print or Type Responses)

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1.  Name and Address of Reporting Person*

        DAMERIS                      PETER                             T.
    ----------------------------------------------------------------------------
        (Last)                      (First)                        (Middle)

                         1360 POST OAK BLVD, SUITE 2100
    ----------------------------------------------------------------------------
                                   (Street)

        HOUSTON                       TX                              77056
    ----------------------------------------------------------------------------
        (City)                      (State)                           (Zip)


2.  Date of Event Requiring Statement (Month/Day/Year)              2/8/01
                                                                  --------------

3.  IRS Identification Number of Reporting Person if an Entity
    (Voluntary)
                --------------

4.  Issuer Name and Ticker or Trading Symbol  QUANTA SERVICES, INC.; "PWR"
                                             -----------------------------------

5.  Relationship of Reporting Person(s) to Issuer (Check all applicable)

    ___ Director    _X_ Officer             ___ 10% Owner    ___ Other
                        (give title below)                       (specify below)

                             CHIEF OPERATING OFFICER
    ----------------------------------------------------------------------------

6.  If Amendment, Date of Original (Month/Day/Year)
                                                    ----------------------------
7.  Individual or Joint Group Filing (Check Applicable Line)

    _X__ Form Filed by One Reporting Person
    ____ Form filed by More than One Reporting Person

             TABLE I--NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED



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1. Title           2. Amount of         3. Ownership Form:  4. Nature of
   of                 Securities Bene-     Direct (D) or       Indirect Bene-
   Security           ficially Owned       Indirect (I)        ficial Ownership
   (Instr. 4)         (Instr. 4)           (Instr. 5)          (Instr. 5)
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Reminder: Report on a separate line for each class of securities beneficially
          owned directly or indirectly.
*If the form is filed by more than one reporting person, see Instruction
 5(b)(v).

              TABLE II--DERIVATIVE SECURITIES BENEFICIALLY OWNED
        (e.g., puts, calls, warrants, options, convertible securities)



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 1. Title of Derivative        2. Date Exer-    3. Title and Amount of Securities   4. Conversion   5. Ownership   6. Nature of In-
    Security (Instr. 4)           cisable and      Underlying Derivative Security      or              Form of        direct Bene-
                                  Expiration       (Instr. 4)                          Exercise        Derivative     ficial
                                  Date                                                 Price           Security:      Ownership
                                  (Month/Day/                                          of              Direct (D)     (Instr. 5)
                                  Year)                                                Derivative      or In-
                              ----------------------------------------------------     Security        direct (I)
                               Date      Expira-                        Amount or                      (Instr. 5)
                               Exer-     tion            Title          Number of
                               cisable   Date                           Shares
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EMPLOYEE STOCK OPTION          (1)      2/12/11      COMMON STOCK        175,000        27.81             D
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Explanation of Responses:

(1) The Option vests in four equal installments beginning on 2/5/02.

                               /s/  PETER T. DAMERIS               2/13/01
                              -------------------------------  -----------------
                              **Signature of Reporting Person        Date


    ** Intentional misstatements or omissions of facts constitute Federal
       Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note:  File three copies of this Form, one of which must be manually signed.
       If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained
in this form are not required to respond unless the form displays a currently
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