Item 5.02 Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(d) On December 6, 2012, pursuant to the authority granted to the Board of Directors (the "Board") of Quanta Services Inc. (the "Company") by the Amended and Restated Bylaws of the Company, the Board approved an increase in the size of the Board from eleven directors to twelve directors and, upon the recommendation of the Governance and Nominating Committee, elected Margaret B. Shannon to serve as a director, filling the new position. There are no arrangements or understandings between Ms. Shannon and any other person pursuant to which she was elected as a director. There are no transactions in which Ms. Shannon has an interest requiring disclosure under Item 404(a) of Regulation S-K. Ms. Shannon will serve as a director until the Company's next annual meeting of stockholders or until her earlier resignation or removal or when a successor is duly elected and qualified. Ms. Shannon has not yet been appointed to any Board committees. Information regarding the compensation of non-employee directors of the Company is set forth in the Company's definitive proxy statement for the 2012 annual meeting of stockholders filed with the SEC on April 10, 2012.

Item 7.01 Regulation FD Disclosure.

On December 6, 2012, the Company issued a press release announcing the election of Ms. Shannon as a director of the Company. A copy of the press release is furnished herewith as Exhibit 99.1 to this report.

The information in the press release shall not be deemed "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. Exhibit

99.1 Press Release of Quanta Services, Inc. dated December 6, 2012

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