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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 uwQkJewV/QfvRq8yinzDsg==

<SEC-DOCUMENT>0001209191-04-057314.txt : 20041213
<SEC-HEADER>0001209191-04-057314.hdr.sgml : 20041213
<ACCEPTANCE-DATETIME>20041213155741
ACCESSION NUMBER:		0001209191-04-057314
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041209
FILED AS OF DATE:		20041213
DATE AS OF CHANGE:		20041213

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FIRST RESERVE GP IX  L P
		CENTRAL INDEX KEY:			0001233496

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13831
		FILM NUMBER:		041198889

	BUSINESS ADDRESS:	
		STREET 1:		ONE LAFAYETTE PLACE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FIRST RESERVE FUND IX L P
		CENTRAL INDEX KEY:			0001233497

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13831
		FILM NUMBER:		041198890

	BUSINESS ADDRESS:	
		STREET 1:		ONE LAFAYETTE PLACE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUANTA SERVICES INC
		CENTRAL INDEX KEY:			0001050915
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL WORK [1731]
		IRS NUMBER:				742851603
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1360 POST OAK BLVD
		STREET 2:		SUITE 2100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		7133506000

	MAIL ADDRESS:	
		STREET 1:		1360 POST OAK BLVD SUITE 2100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FIRST RESERVE GP IX INC
		CENTRAL INDEX KEY:			0001168363
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13831
		FILM NUMBER:		041198891

	BUSINESS ADDRESS:	
		STREET 1:		ONE LAFAYETTE PLACE
		STREET 2:		THIRD FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-661-6601

	MAIL ADDRESS:	
		STREET 1:		ONE LAFAYETTE PLACE
		STREET 2:		THIRD FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<DESCRIPTION>FORM 4/A SUBMISSION
</DOCUMENT>
</SUBMISSION>