The following NTSB updates were added to the NTSB and PHMSA Safety Investigations section in WinDOT.
| WinDOT
subscribers can access these NTSB reports and associated
safety recommendations using the links in the table below and
logging into their WinDOT account.
Features include: ♦ NTSB Reports and Briefs (by incident date) ♦ Safety Recommendations by Year ♦ Keyword Index ♦ Code Sections Referenced ♦ Plus links to related enforcement actions, advisories and rulemaking dockets. Other users can view these reports and recommendations on the NTSB website. |
Reports adopted
Incident Date |
Report # or Accident # |
Report title |
Report /Adopted |
6/28/2021 |
PLD-21-FR002-prelim |
8/2/2021 |
|
5/4/2020 |
PLD-20-LR001-prelim |
Enbridge Inc. Natural Gas Pipeline Rupture and Fire, Hillsboro, KY |
6/22/2020 |
Safety recommendations closed
| Accident/Report title | Rec. # | To: | Recommendation | Date Closed |
| Natural Gas-Fueled Building Explosion and Resulting Fire, Silver Spring, MD [8/10/2016] | P-19-009 | Washington Gas Light Company | Throughout the Washington Gas network, implement an audit program to verify the data on the service forms used to determine the location and condition of mercury service regulators to ensure the accuracy of this safety-critical data. | 8/6/2020 |
| P-19-010 | Washington Gas Light Company | Revise your procedures and field forms to require technicians to verify the integrity of vent lines following the testing of indoor service regulators throughout the Washington Gas network. | 8/6/2020 | |
| P-19-012 | Washington Gas Light Company | Install all new service regulators outside occupied structures. | 8/6/2020 | |
| P-19-013 | Washington Gas Light Company | Relocate existing interior service regulators outside occupied structures whenever the gas service line, meter, or regulator is replaced. In addition, multifamily structures should be prioritized over single-family dwellings. | 8/6/2020 | |
| Safety Study on Integrity Management of Gas Transmission Pipelines in High Consequence Areas [1/27/2015] | P-15-004 | PHMSA | Increase the positional accuracy of pipeline centerlines and pipeline attribute details relevant to safety in the National Pipeline Mapping System. | 7/16/2020 |
| P-15-010 | PHMSA | Update guidance for gas transmission pipeline operators and inspectors on the evaluation of interactive threats. This guidance should list all threat interactions that must be evaluated and acceptable methods to be used. | 7/16/2020 | |
| P-15-012 | PHMSA | Evaluate the safety benefits of the four risk assessment approaches currently allowed by the gas integrity management regulations; determine whether they produce a comparable safety benefit; and disseminate the results of your evaluation to the pipeline industry, inspectors, and the public. | 7/16/2020 | |
| P-15-013 | PHMSA | Update guidance for gas transmission pipeline operators and inspectors on critical components of risk assessment approaches. Include (1) methods for setting weighting factors, (2) factors that should be included in consequence of failure calculations, and (3) appropriate risk metrics and methods for aggregating risk along a pipeline. | 7/16/2020 | |
| P-15-021 | PHMSA | Develop and implement a plan for eliminating the use of direct assessment as the sole integrity assessment method for gas transmission pipelines. | 7/16/2020 | |
| P-15-022 | PHMSA | Develop and implement a plan for all segments of the pipeline industry to improve data integration for integrity management through the use of geographic information systems. | 7/16/2020 |