This report presents a summary and assessment of design margins used in domestic and international pipeline codes throughout the world. Potential changes to the design factors contained in the . pipeline regulations and codes have been recommended as a result of this review. The recommendations allow an increase in the design pressure in many pipelines. | EVALUATION OF PIPELINE DESIGN FACTORS TASK REPORT August 1999 - January 2000 GRI 00 0076 Prepared by Evangelos Michalopoulos and Sandy Babka The Hartford Steam Boiler Inspection and Insurance Company One State Street Hartford CT 06102 Prepared for GAS RESEARCH INSTITUTE Contract No. 7094 GRI Project Manager . Leewis Pipeline Business Unit February 2000 - 2 - LEGAL NOTICE This report was prepared by The Hartford Steam Boiler Inspection and Insurance Company as an account of work sponsored by Gas Research Institute GRI . Neither GRI members of GRI nor any person acting on behalf of either a. MAKES ANY WARRANTY OR REPRESENTATION EXPRESS OR IMPLIED WITH RESPECT TO THE ACCURACY COMPLETENESS OR USEFULNESS OF THE INFORMATION CONTAINED IN THIS REPORT OR THAT THE USE OF ANY INFORMATION APPARATUS METHOD OR PROCESS DISCLOSED IN THIS REPORT MAY NOT INFRNGE PRIVATELY OWNED RIGHTS OR b. ASSUMES ANY LIABILITY WITH RESPECT TO THE USE OF OR FOR ANY AND ALL DAMAGES RESULTING FROM THE USE OF ANY INFORMATION APPARATUS METHOD OR PROCESS DISCLOSED IN THIS REPORT. - 3
