Project Summary: Pipeline Investigation - 44 Docket Items - PLD25FR001

Description: Leak/explosion/fire

Mode: Pipeline

NTSB Number: PLD25FR001

Date of Accident: 11/06/2024

City: South Jordan

State/Region: UT

Country: United States

Project Type: Investigation

Docket Information

Creation Date: 08/22/2025

Last Modified: 09/30/2026 7:16 AM

Public Release Date & Time: 10/23/2025 2:00 PM


Docket Table of Contents

Docket Items: 44
#
Title
Pgs
Photo
Type
File
1 1-NTSB PIPELINE INVESTIGATIVE REPORT PIR-26-02 10 0 Text/Image View
2 IIC-PRELIMINARY REPORT 3 0 Text/Image View
3 1-IIC-ACCIDENT SUMMARY 2 0 Text/Image View
4 1-IIC-PARTY SUBMISSION-ENBRIDGE GAS UTAH PARTY SUBMISSION FOR PLD25FR001 SOUTH JORDAN, UT 18 0 Text/Image View
5 2-PIPELINE OPERATIONS-GROUP CHAIR'S FACTUAL REPORT 17 0 Text/Image View
6 2-PIPELINE OPERATIONS-ENBRIDGE LEAK INVESTIGATION PROCEDURE BAR HOLE LOCATIONS 1 0 Text/Image View
7 2-PIPELINE OPERATIONS-ENBRIDGE GAS UTAH STANDARD PRACTICE 2-33-07 1 0 Text/Image View
8 2-PIPELINE OPERATIONS-ENBRIDGE GAS UTAH STANDARD PRACTICE 2-17-02 EXCAVATION AND BACKFILLING, BACKFILLING INSTRUCTION 1 0 Text/Image View
9 2-PIPELINE OPERATIONS-ODORIZATION REPORT PROVIDED BY ENBRIDGE GAS UTAH 3 0 Text/Image View
10 2-PIPELINE OPERATIONS-IHP SYSTEM PRESSURE IN REVIEW PROVIDED BY ENBRIDGE GAS UTAH 1 0 Text/Image View
11 2-PIPELINE OPERATIONS-HOUSE PLANS-INVERTED 8 0 Text/Image View
12 2-PIPELINE OPERATIONS-GAS LOSS CALCULATION PROVIDED BY ENBRIDGE GAS UTAH 1 0 Text/Image View
13 2-PIPELINE OPERATIONS-PRINT LINE FROM LEAKING 4-INCH ALDYL A PIPELINE-IMAGE PROVIDED BY ENBRIDGE GAS UTAH 1 0 Text/Image View
14 2-PIPELINE OPERATIONS-PERMISSION TO REMOVE CONFIDENTIAL MARKINGS FROM BAR HOLE SHEETS 1 0 Text/Image View
15 2-PIPELINE OPERATIONS - POST ACCIDENT BAR HOLE GAS READINGS 11.6.24 THROUGH 11.8.24 10 0 Text/Image View
16 2-PIPELINE OPERATIONS - STATE OF UTAH DEPARTMENT OF PUBLIC SAFETY CASE FILE# 132024-112 FIRE MARSHAL REPORT OF INVESTIGATION 10593 SOUTH JORDAN, UT 47 0 Text/Image View
17 3-EMERGENCY RESPONSE- EMERGENCY RESPONSE GROUP FACTUAL REPORT 25 0 Text/Image View
18 3-EMERGENCY RESPONSE- UTAH STATE REGULATORY STATUTE 3 0 Text/Image View
19 3-EMERGENCY RESPONSE- SLVECC DISPATCH RECORDS 50 0 Text/Image View
20 3-EMERGENCY RESPONSE- SJFD EMERGENCY RESPONSE POLICY 2 0 Text/Image View
21 3-EMERGENCY RESPONSE- SJFD FIREGROUND ACCOUNTABILITY POLICY 2 0 Text/Image View
22 3-EMERGENCY RESPONSE- SJFD HAZARDOUS MATERIALS RESPONSE POLICY 3 0 Text/Image View
23 4-MATERIALS LABORATORY FACTUAL REPORT 25-026 17 15 Text/Image View
24 4-MATERIALS LABORATORY - DUPONT ALDYL A TECHNICAL BULLETIN 200 FROM 1975 6 0 Text/Image View
25 5-INTEGRITY MANAGEMENT- GROUP CHAIR'S FACTUAL REPORT 18 0 Text/Image View
26 5-INTEGRITY MANAGEMENT-2023 DISTRIBUTION INTEGRITY MANAGMENT (DIM) REPORT 1 0 Text/Image View
27 5-INTEGRITY MANAGEMENT-ENBRIDGE GAS UTAH DIMP SECTION 7.3 2 0 Text/Image View
28 5-INTEGRITY MANAGEMENT-RISK FACTOR SUMMARY PROVIDED BY ENBRIDGE GAS UTAH 4 0 Text/Image View
29 5-INTEGRITY MANAGEMENT-ENBRIDGE GAS UTAH-DIMP ELEMENTS 1 0 Text/Image View
30 5-INTEGRITY MANAGEMENT-AS CONSTRUCTED FIELD NOTES PROVIDED BY ENBRIDGE GAS UTAH 1 0 Text/Image View
31 5-INTEGRITY MANAGEMENT-ALDYL A MAIN FOOTAGE BY YEAR OF INSTALL PROVIDED BY ENBRIDGE GAS UTAH 2 0 Text/Image View
32 5-INTEGRITY MANAGEMENT-DIMP ACCELERATION ACTIONS (ALDYL A) PROVIDED BY ENBRIDGE GAS UTAH 1 0 Text/Image View
33 5-INTEGRITY MANAGEMENT-2023 DISTRIBUTION INTEGRITY MANAGEMENT REPORT 2023 PROVIDED BY ENBRIDGE GAS UTAH 1 0 Text/Image View
34 5 - INTEGRITY MANAGEMENT-UTAH DIVISION OF PUBLIC UTILITIES 11.5.2018 INSPECTION CORRESPONDENCE 2 0 Text/Image View
35 5-INTEGRITY MANAGEMENT-UTAH DIVISION OF PUBLIC UTILITIES INSPECTION CORRESPONDENCE 12.13.2021 2 0 Text/Image View
36 5-INTEGRITY MANAGEMENT-UTAH DIVISION OF PUBLIC UTILITIES CORRESPONDENCE 3.27.2019 2 0 Text/Image View
37 5-INTEGRITY MANAGEMENT-HAZARD ANALYSIS & MITIGATION REPORT ON ALDYL A POLYETHYLENE GAS PIPELINES IN CALIFORNIA 36 0 Text/Image View
38 6-EMERGENCY RESPONSE- INTERVIEW TRANSCRIPT SJFD CAPTAIN, STATION 62 27 0 Text/Image View
39 6-EMERGENCY RESPONSE- INTERVIEW ERRATA SHEET SJFD CAPTAIN, STATION 62 1 0 Text/Image View
40 6-EMERGENCY RESPONSE- INTERVIEW TRANSCRIPT SJFD BATTALION CHIEF 36 0 Text/Image View
41 6-EMERGENCY RESPONSE- INTERVIEW TRANSCRIPT ENBRIDGE GAS OPERATIONS SUPERVISOR 30 0 Text/Image View
42 6-EMERGENCY RESPONSE- INTERVIEW TRANSCRIPT ENBRIDGE GAS OPERATIONS REPRESENTATIVE III 49 0 Text/Image View
43 6-EMERGENCY RESPONSE- INTERVIEW TRANSCRIPT ENBRIDGE GAS OPERATIONS FOREMAN 46 0 Text/Image View
44 5-INTEGRITY MANAGEMENT- HISTORY OF ALDYL A PIPING SYSTEM BY DR. GENE PALERMO 44 0 Text/Image View