ASME PTB-12 pdf free download

ASME PTB-12-2017 pdf free download.Guidelines for Addressing Data Gaps and Recordkeeping for ASME B31.4, B31.8 and B31.8S for Pipeline Integrity Management.
PTB-12-2017: Guidelines for Addressing Data Gaps and Recordkeeping for ASMF. B31.4. B31.8 and B31.8s for Pipeline Integrity Management
reasonable to expect that a variety of documents related to the design and construction of a pipeline facility he retained long-term. However, retention of technical documents was not addressed by the engineering standards of the day. It was generally thought that a copy of the specifications under which the pipeline was built (and supplemented by commercial documents e.g. contracts and purchase orders) would generally be adequate to provide evidence of the work that was done.” 171
The authors have made similar observations during their professional experiences with records review and management. There are occasions where operators have stored what are now recognized to be highly valuable records, hut it is highly unusual that they stored them to meet any specific regulatory requirement. When highly valuable documents are discovered (particularly for pipe that was constructed prior to regulation andlor pipe that was acquired), they are frequently met with pleasant surprise.
In 1938. American Standards Association ASA B3 1.1 first required that records be kept on welder qualifications and their identifying marks. Subsequent revisions expanded welder related record keeping. In 1955, 83 1.1.8 (which eventually became B31.8) first recommended basic risk based design concepts with 4 location class factors. It required the pipeline operator. or contractor, to maintain records related to welders and pressure testing. The standard was the first to recommend operations and maintenance records mentioning external and internal corrosion related to leaks and repairs, and inspection reports. A later revision in 1968 required recordkeeping related to corrosion inspection and leak investigation.
The federal pipeline regulations were passed in the 1960s with the first federal laws effecting liquid pipelines and the Natural Gas Pipeline Safety Act of 1968. Concurrent o these shifts in pipeline records requirements and expansion of the U.S. pipeline infrastructure indicated above was large amounts of population growth over the past 50-60 years. Pipelines had to be re-routed to accommodate the additional infrastructure (e.g.. highways, waterlines) in congested areas, which created more records and/or additional pipeline system materials to track.
The Natural Gas Integrity Management Rule 49 CFR Part 193 Subpart 0 was introduced in 2(X)3. three years after a similar rule for liquid pipelines (49 CFR Part 195). Following the integrity management rules, operators were more frequently audited. which required them to focus more on material properties as part of risk modeling and fitness-for-service analysis. The gas (and. similarly, the liquid) integrity management tIM) rule specified how pipeline operators must identify, prioritite, assess, evaluate, repair, and validate the integrity of gas (or liquid) transmission pipelines that could, in the event of a leak or failure, affect High Consequence Areas (HCAs) within the U.S. The IM rules required large improvement in HCA-related record keeping for most operators in the U.S. 181
The industry heightened its focus on data and recordkeeping following the San Bruno failure in 2010, when the U.S. National Transportation Safety Board (NTSB) included in its findings that the pipe had been incorrectly listed as “searnless.’ The first records quality criteria in the U.S. were provided in 2011. with PHMSA’s issuance of Advisory Bulletin (ADH) AL)8-l 1-01 [151. which made operators aware that operational decisions should be based on documents that are “traceable, verifiable, and complete” (PIIMSA provided definitions for the terms approximately 16 months later in ADB- 12-06) [161. Many operators had to satisfy this requirement’ by locating, sorting, deciphering, and prioritizing decades of legacy and historic records. It was found that many records, particularly pre-regulation. were not retained as there were no requirements to keep them on tile.ASME PTB-12 pdf download.