EXHIBIT 99(a)
Certificate of Chief Executive Officer of Vulcan Materials Company Pursuant to 18 U.S.C. Section 1350 As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
I, Donald M. James, Chairman and Chief Executive Officer of Vulcan Materials Company, certify that the Quarterly Report on Form 10-Q (the "Report") for the quarter ended June 30, 2002, filed with the Securities and Exchange Commission on the date hereof:
(i)	fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and
(ii)	the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Vulcan Materials Company.
		/s/Donald M. James                                 Donald M. James Chairman and Chief Executive Officer August 13, 2002