EXHIBIT 31.2

# SARBANES-OXLEY SECTION
302 CERTIFICATION

CERTIFICATION OF O.S. ANDRAS, PRINCIPAL EXECUTIVE OFFICER OF 
ENTERPRISE PRODUCTS GP, LLC THE GENERAL PARTNER OF 
ENTERPRISE PRODUCTS OPERATING L.P.

I, O.S. Andras, the Principal Executive Officer of Enterprise Products GP, LLC, the General
Partner of Enterprise Products Operating L.P., certify that:

| | 1. | I
have reviewed this quarterly report on Form 10-Q of Enterprise Products Operating L.P.;
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| | 2. | Based
on my knowledge, this report does not contain any untrue statement of a material fact or
omit to state a material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with respect to the
period covered by this report;
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| | 3. | Based
on my knowledge, the financial statements, and other financial information
included in this report, fairly present in all material respects the
financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this report;
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| | 4. | The
registrants other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as
defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant
and have:
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| | a) | Designed such disclosure controls and procedures, or caused such disclosure
          controls and procedures to be designed under our supervision, to ensure that
          material information relating to the registrant, including its consolidated
          subsidiaries, is made known to us by others within those entities, particularly
          during the period in which this report is being prepared;
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| | b) | Evaluated the effectiveness of the registrants disclosure controls and
          procedures and presented in this report our conclusions about the effectiveness
          of the disclosure controls and procedures, as of the end of the period covered
          by this report based on such evaluation; and
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| | c) | Disclosed in this report any change in the registrants internal control
          over financial reporting that occurred during the registrants most recent
          fiscal quarter (the registrants fourth fiscal quarter in the case of an
          annual report) that has materially affected, or is reasonably likely to
          materially affect, the registrants internal control over financial
          reporting; and
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| | 5. | The
registrants other certifying officer(s) and I have disclosed, based on
our most recent evaluation of internal control over financial reporting,
to the registrants auditors and the audit committee of registrants
board of directors (or persons performing the equivalent functions):
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| | a) | All significant deficiencies and material weaknesses in the design or operation
                    of internal control over financial reporting which are reasonably likely to
                    adversely affect the registrants ability to record, process, summarize and
                    report financial information; and
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| | b) | Any fraud, whether or not material, that involves management or other employees
                    who have a significant role in the registrants internal control over
                    financial reporting.
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|Date: August 13, 2003 |       
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|                      | Name: 
|                      | Title:
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