TIE-IN AND MODIFY PIPE FOR REVAMP PROJECT AND OPERATION 2014 02/07/201902/07/2019adminPROJECT EXPERIENCED TIE-IN AND MODIFY PIPE FOR REVAMP PROJECT AND OPERATION 2014 (PTT PHENOL) PACKAGE 31 PIPING CUT CHANG AND WELDING 2014 (PTT PHENOL / PTTME) PTT Phenol Turn Around Fabruary,2014 to March ,2014