please if any one is having following PRCI docs..
please provide me ....
thanks in advance ...
Pipelines Research Council International (PRCI)

PR-185-617 Criteria for Hot-Tap Welding (catalogue # L51548)

PR-185-816 Review of procedures for Welding unto PressurizePipelines (catalogue # L51601)

NG-18 Report # 175 Proof Testing of the Pre-Hot-Tap BranchConnection (catalogue # L51561e

please provide this documents urgently ..waiting for reply...

my mail id .mahendrapal.rathore@gmail.com