Project Summary: Pipeline Investigation - 76 Docket Items - PLD25LR004

Description: Leak/explosion/fire

Mode: Pipeline

NTSB Number: PLD25LR004

Date of Accident: 04/09/2025

City: Lexington

State/Region: MO

Country: United States

Project Type: Investigation

Docket Information

Creation Date: 07/16/2025

Last Modified: 04/10/2025 11:22 AM

Public Release Date & Time: 03/12/2026 2:00 PM


Docket Table of Contents

Docket Items: 76
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Title
Pgs
Photo
Type
File
1 1 - IIC - PRELIMINARY REPORT 3 0 Text/Image View
2 1 - IIC - ACCIDENT SUMMARY 2 0 Text/Image View
3 1 - IIC - PARTY REPRESENTATIVE SIGNED FORMS 11 0 Text/Image View
4 1 - IIC - MEMO OF REQUESTED CHANGED POST-TECHNICAL REVIEW 2 0 Text/Image View
5 2 - PIPELINE OPERATIONS - GROUP CHAIR FACTUAL REPORT 75 0 Text/Image View
6 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY 2025 SAFETY CULTURE ASSESSMENT 10 0 Text/Image View
7 2 - PIPELINE OPERATIONS - LIBERTY PSMS PROGRESS 1 0 Text/Image View
8 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY LOCATOR TRAINING MATERIALS 1 0 Text/Image View
9 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY CORPORATE DRUG AND ALCOHOL POLICY 18 0 Text/Image View
10 2 - PIPELINE OPERATIONS - LIBERTY SERVICE LINE LEAK REPORT FORMS 24 0 Text/Image View
11 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY PUBLIC AWARENESS PROGRAM - REVISED APRIL 2025 15 0 Text/Image View
12 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY LEAK RESPONSE, CLASSIFICATION, AND REPAIR PROCEDURE 28 0 Text/Image View
13 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY DAMAGE PREVENTION PROCEDURE 23 0 Text/Image View
14 2 - PIPELINE OPERATIONS - LIBERTY COMBINED VALVE RECORDS 5 0 Text/Image View
15 2 - PIPELINE OPERATIONS - EXCERPT - EMPIRE DISTRICT GAS (LIBERTY SUBSIDIARY) DRUG AND ALCOHOL POLICY 3 0 Text/Image View
16 2 - PIPELINE OPERATIONS - LIBERTY CGI CALIBRATION RECORDS 5 0 Text/Image View
17 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY PUBLIC AWARENESS PROGRAM EFFECTIVENESS SURVEY (SPECIAL AUDIENCES) - 2022 6 0 Text/Image View
18 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY PUBLIC AWARENESS PROGRAM EFFECTIVENESS SURVEY (AFFECTED PUBLIC) - 2022 4 0 Text/Image View
19 2 - PIPELINE OPERATIONS - EXCERPT - LIBERTY PUBLIC AWARENESS PROGRAM - 2024 5 0 Text/Image View
20 2 - PIPELINE OPERATIONS - SELLENRIEK CONSTRUCTION REQUIREMENTS 3 0 Text/Image View
21 2 - PIPELINE OPERATIONS - MO PSC INSPECTION - LIBERTY PUBLIC AWARENESS STAFF RESPONSE APRIL 2025 9 0 Text/Image View
22 2 - PIPELINE OPERATIONS - MO PSC INSPECTION - LIBERTY PUBLIC AWARENESS 2024 SUMMARY 8 0 Text/Image View
23 2 - PIPELINE OPERATIONS - MO PSC INSPECTION - EMPIRE (LIBERTY SUBSIDIARY) DIMP 2023 SUMMARY 4 0 Text/Image View
24 2 - PIPELINE OPERATIONS - LIBERTY RESPONSE TO MO PSC INSPECTION - LIBERTY PUBLIC AWARENESS 2024 SUMMARY - MAY 2025 3 0 Text/Image View
25 2 - PIPELINE OPERATIONS - LIBERTY MAP OF ISOLATION AREA - AREA 3 1 0 Text/Image View
26 2 - PIPELINE OPERATIONS - LIBERTY MAP OF ISOLATION AREA COMPLETED 1 0 Text/Image View
27 2 - PIPELINE OPERATIONS - LIBERTY PRESSURE TESTS 6 0 Text/Image View
28 2 - PIPELINE OPERATIONS - LIBERTY LOCATOR PURCHASE 1 0 Text/Image View
29 2 - PIPELINE OPERATIONS - LIBERTY INSTALLATION RECORD OF MAIN - DATE UNKNOWN 1 0 Text/Image View
30 2 - PIPELINE OPERATIONS - LIBERTY INSTALLATION RECORD OF MAIN - 1990 1 0 Text/Image View
31 2 - PIPELINE OPERATIONS - LIBERTY INFORMATION ON LOCATOR EQUIPMENT 2 0 Text/Image View
32 2 - PIPELINE OPERATIONS - LIBERTY DAMAGE ESTIMATES 1 0 Text/Image View
33 2 - PIPELINE OPERATIONS - LIBERTY TRACER WIRE INFORMATION 2 0 Text/Image View
34 2 - PIPELINE OPERATIONS - LIBERTY SQUEEZE OFF AND VALVE CLOSURE TIMES 1 0 Text/Image View
35 2 - PIPELINE OPERATIONS - LIBERTY POST-ACCIDENT ACTIONS 1 0 Text/Image View
36 2 - PIPELINE OPERATIONS - LIBERTY ODOR INTENSITY RECORDS 16 0 Text/Image View
37 2 - PIPELINE OPERATIONS - LIBERTY NOTIFICATIONS 2 0 Text/Image View
38 2 - PIPELINE OPERATIONS - LIBERTY LOCATOR EQUIPMENT USED 2 0 Text/Image View
39 2 - PIPELINE OPERATIONS - LIBERTY LEAK REPAIR REPORT - APRIL 9, 2025 2 0 Text/Image View
40 2 - PIPELINE OPERATIONS - LIBERTY CUSTOMER COUNT 1 0 Text/Image View
41 2 - PIPELINE OPERATIONS - LIBERTY COVERED TASKS PERFORMED BY EMPLOYEES 2 0 Text/Image View
42 2 - PIPELINE OPERATIONS - LIBERTY CGI LOG REQUEST FROM DAY OF ACCIDENT RESPONSE 1 0 Text/Image View
43 2 - PIPELINE OPERATIONS - LIBERTY BLACKBOX DATA REQUEST RESPONSE 1 0 Text/Image View
44 2 - PIPELINE OPERATIONS - LIBERTY BAR HOLE READINGS A�� 4.15.2025 10 0 Text/Image View
45 2 - PIPELINE OPERATIONS - LIBERTY ACQUISITION HISTORY 1 0 Text/Image View
46 2 - PIPELINE OPERATIONS - LIBERTY RESPONSE - LENGTHS OF CAPPED SECTIONS 1 0 Text/Image View
47 2 - PIPELINE OPERATIONS - LIBERTY - 10 YEAR SUMMARY OF THIRD-PARTY DAMAGE ACCIDENTS 1 0 Text/Image View
48 2 - PIPELINE OPERATIONS - JT20 OPERATIONS MANUAL 203 0 Text/Image View
49 2 - PIPELINE OPERATIONS - EMAIL FROM MO PSC - NOTIFICATIONS PRIOR TO MO PSC ARRIVAL 1 0 Text/Image View
50 2 - PIPELINE OPERATIONS - EMAIL FROM LIBERTY - RESPONSE TIMELINE 4 0 Text/Image View
51 2 - PIPELINE OPERATIONS - EMAIL FROM LIBERTY - POST ACCIDENT HDD STRIKES 2 0 Text/Image View
52 2 - PIPELINE OPERATIONS - EMAIL FROM LIBERTY - 811 TICKETS 2 0 Text/Image View
53 2 - PIPELINE OPERATIONS - COMBINED MO PSC PIPELINE SAFETY PROGRAM MANAGER FIELD OBSERVATIONS 13 0 Text/Image View
54 2 - PIPELINE OPERATIONS - COMBINED 811 TICKETS RELATED TO THE ACCIDENT 20 0 Text/Image View
55 2 - PIPELINE OPERATIONS - ALFRA SUPERVISOR STATEMENT ON SEWER CROSSINGS 1 0 Text/Image View
56 2 - PIPELINE OPERATIONS - CITY OF LEXINGTON - COMPLAINT 1 0 Text/Image View
57 3 - EMERGENCY RESPONSE - EMERGENCY RESPONSE FACTUAL REPORT 28 0 Text/Image View
58 3 - EMERGENCY RESPONSE - LEXINGTON FIRE DEPARTMENT REPORT- FRANKLIN AVENUE EXPLOSION 6 0 Text/Image View
59 3 - EMERGENCY RESPONSE - LEXINGTON POLICE DEPARTMENT REPORT- FRANKLIN AVENUE EXPLOSION 24 0 Text/Image View
60 3 - EMERGENCY RESPONSE - LEXINGTON FIRE DEPARTMENT REPORTS- HDD POSTACCIDENT STRIKES 6 0 Text/Image View
61 3 - EMERGENCY RESPONSE - LEXINGTON POLICE DEPARTMENT REPORTS- HDD POSTACCIDENT STRIKES 2 0 Text/Image View
62 4 - METEOROLOGY - ENVIRONMENTAL WEATHER CONDITIONS 4 0 Text/Image View
63 INTERVIEW WITH LIBERTY SERVICE MAN 51 0 Text/Image View
64 INTERVIEW WITH LIBERTY OPERATIONS MANAGER 60 0 Text/Image View
65 INTERVIEW WITH LIBERTY CREW FOREMAN 34 0 Text/Image View
66 INTERVIEW WITH LIBERTY PIPEFITTER 22 0 Text/Image View
67 INTERVIEW WITH LIBERTY MAINTENANCE MAN 23 0 Text/Image View
68 INTERVIEW WITH ALFRA SUPERVISOR FOREMAN 55 0 Text/Image View
69 INTERVIEW WITH ALFRA DITCH WITCH LOCATOR 21 0 Text/Image View
70 INTERVIEW WITH ALFRA DITCH WITCH OPERATOR 20 0 Text/Image View
71 INTERVIEW WITH LEXINGTON FIRE CHIEF 78 0 Text/Image View
72 INTERVIEW WITH LEXINGTON POLICE SERGEANT 36 0 Text/Image View
73 INTERVIEW WITH LEXINGTON POLICE CHIEF 24 0 Text/Image View
74 WITNESS STATEMENTS- FRANKLIN AVENUE RESIDENT (MN) 2 0 Text/Image View
75 WITNESS STATEMENTS- FRANKLIN AVENUE RESIDENT (BW) 3 0 Text/Image View
76 WITNESS STATEMENTS- FRANKLIN AVENUE RESIDENTS (RC-AB) 3 0 Text/Image View