Invited by Prof. Rafiee, the second meeting of the joint technical committee of NIGC and IRCOMAS on the rehabilitation of gas pipelines with composites was held in COMRESLAB on 23^rd of August 2023. Prof. Rafiee presented the activities of COMRESLAB during the last 10 years emphasizing on related activities on the topic of committee.  A detailed discussion has been done on the roles of each party in defining the roadmap and members negotiated about the practical procedure of the roadmap and its objectives. At the end of the meeting, members paid a visit of COMRESLAB facilities and got familiar with ongoing projects in COMRESLAB.