Pipeline Transportation Addenda/Errata Publications are at this link...

[link Point to another website Only the registered members can access]
RP 1102, Steel Pipelines Crossing Railroads and Highways, Seventh Edition, December 2007
Errata 2, May 2010
Std 1104, Welding of Pipelines and Related Facilities, 20th Edition, October 2005
Errata/Addendum, July 2007
Errata 2, December 2008

RP 1114, Recommended Practice for the Design of Solution-Mined Underground Storage Facilities, First Edition, June 1994
Errata, July 2007

RP 1117, Recommended Practice for Movement of In-service Pipelines, 3rd Edition, July 2008
Errata 1, December 2008
Errata 2, August 2009

RP 1166, Excavation Monitoring and Observation, First Edition, November 2005
Errata, December 2006