Project Summary: Pipeline Investigation - 151 Docket Items - PLD23LR002

Description: Leak/explosion/fire

Mode: Pipeline

NTSB Number: PLD23LR002

Date of Accident: 03/24/2023

City: West Reading

State/Region: PA

Country: United States

Project Type: Investigation

Docket Information

Creation Date: 05/16/2023

Last Modified: 02/20/2024 7:37 AM

Public Release Date & Time: 02/22/2024 2:00 PM


Docket Table of Contents

Docket Items: 151
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Title
Pgs
Photo
Type
File
1 1 - IIC ACCIDENT SUMMARY 3 0 Text/Image View
2 1- IIC PARTY REMOVAL LETTER 2 0 Text/Image View
3 2 - PIPELINE OPERATIONS FACTUAL REPORT 71 0 Text/Image View
4 2 A�� PIPELINE OPERATIONS A�� SUMMARY OF UGI CORPORATION AND UGI UTILITIES, APRIL 1, 2023 - UGI 1 0 Text/Image View
5 2 A�� PIPELINE OPERATIONS A�� WRITTEN DESCRIPTION OF UGI ASSETS ON CHERRY STREET - UGI 1 0 Text/Image View
6 2 A�� PIPELINE OPERATIONS A�� FLOW TEST RESULTS - UGI 22 0 Text/Image View
7 2 A�� PIPELINE OPERATIONS A�� PRESSURE OF MAIN ON CHERRY STREET- UGI 18 0 Text/Image View
8 2 A�� PIPELINE OPERATIONS A�� PRESSURE TEST RESULTS - UGI 85 0 Text/Image View
9 2 A�� PIPELINE OPERATIONS A�� BARHOLE TESTS RESULTS - UGI 8 0 Text/Image View
10 2 - PIPELINE OPERATIONS - COMPANY DEVELOPMENT DATELINE - PALMER 1 0 Text/Image View
11 2 - PIPELINE OPERATIONS - PA ONE CALL REQUIREMENTS - CORRESPONDENCE BETWEEN NTSB, PA ONE CALL, AND BOROUGH OF WEST READING 12 0 Text/Image View
12 2 A�� PIPELINE OPERATIONS A�� PSMS SUPPLEMENTAL NARRATIVE UGI'S PROGRESS - UGI 1 0 Text/Image View
13 2 A�� PIPELINE OPERATIONS A�� PSMS NARRATIVE SUMMARIZE UGI'S PROGRESS - UGI 1 0 Text/Image View
14 2 -PIPELINE OPERATIONS - R.M. PALMER INCIDENT ECHELON REPORT 8-30-23 - EXCERPT 2 0 Text/Image View
15 2 - PIPELINE OPERATIONS - GENERAL CONSTRUCTION REQUIREMENTS - UGI 6 0 Text/Image View
16 2 A�� PIPELINE OPERATIONS A�� INSTALLATION METHODS 12/13/2018 - UGI 2 0 Text/Image View
17 2 A�� PIPELINE OPERATIONS A�� LOCATOR WIRE AND OTHER LOCATE TECHNOLOGY 11/4/2020 - UGI 3 0 Text/Image View
18 2 A�� PIPELINE OPERATIONS A�� SERVICE CONNECTIONS 2/12/2018 - UGI 4 0 Text/Image View
19 2 A�� PIPELINE OPERATIONS A�� EXAMINATION OF EXPOSED UNDERGROUND PIPING 11/4/2020 - UGI 5 0 Text/Image View
20 2 A�� PIPELINE OPERATIONS A�� DAMAGE PREVENTION PROGRAM 8/2/2022 - UGI 2 0 Text/Image View
21 2 A�� PIPELINE OPERATIONS A�� 1ST AND 2ND PARTY EXCAVATION ACTIVITIES 8/2/2022 - UGI 4 0 Text/Image View
22 A2 A�� PIPELINE OPERATIONS A�� FACILITY DAMAGE REPORTING AND INVESTIGATION 8/2/2022 - UGI 11 0 Text/Image View
23 2 A�� PIPELINE OPERATIONS A�� REPORTING AND INVESTIGATION OF MATERIAL FAILURES 12/9/2019 - UGI 5 0 Text/Image View
24 2 A�� PIPELINE OPERATIONS A�� LEAK SURVEY. 4/30/2019 - UGI 4 0 Text/Image View
25 2 A�� PIPELINE OPERATIONS A�� MOBILE LEAK SURVEY. 2/12/2018 - UGI 2 0 Text/Image View
26 2 A�� PIPELINE OPERATIONS A�� WALKING LEAK SURVEY. 11/8/2021 - UGI 3 0 Text/Image View
27 2 A�� PIPELINE OPERATIONS A�� INSIDE SERVICE LEAK SURVEY AND INSPECTION. 10/22/2021 - UGI 3 0 Text/Image View
28 2 A�� PIPELINE OPERATIONS A�� PINPOINTING UNDERGROUND GAS LEAKS. 4/12/2018 - UGI 4 0 Text/Image View
29 2 A�� PIPELINE OPERATIONS A�� BREACH LOCATION - UGI 2 0 Text/Image View
30 2 A�� PIPELINE OPERATIONS A�� PIPELINE REPAIR PROCEDURES. 2/16/2022 - UGI 1 0 Text/Image View
31 2 A�� PIPELINE OPERATIONS A�� PIPELINE SMS MATURITY MODEL - UGI 1 0 Text/Image View
32 2 A�� PIPELINE OPERATIONS A�� RETIREMENT OF FACILITIES. 12/9/2019 - UGI 4 0 Text/Image View
33 2 A�� PIPELINE OPERATIONS A�� PA STATE POLICE INCIDENT REPORT EXCERPT 15 0 Text/Image View
34 2 A�� PIPELINE OPERATIONS A�� SUMMARIZE UGI'S PROGRESS IN IMPLEMENTING ANSI/API 1173 - UGI 1 0 Text/Image View
35 3 - EMERGENCY RESPONSE FACTUAL 38 0 Text/Image View
36 3 - EMERGENCY RESPONSE - R.M. PALMER CONTRACTOR EMAIL 4 0 Text/Image View
37 3 - EMERGENCY RESPONSE - R.M. PALMER LIST OF CHEMICALS IN BUILDING 2 1 0 Text/Image View
38 3 - EMERGENCY RESPONSE - 5 - YEAR LEAK AND ODOR CALLS AT R.M. PALMER 1 0 Text/Image View
39 3 - EMERGENCY RESPONSE - EXCERPTS OF R.M. PALMER RED BOOK 54 0 Text/Image View
40 3 - EMERGENCY RESPONSE - R.M. PALMER FIRE DRILLS 27 0 Text/Image View
41 3 A�� EMERGENCY RESPONSE - R.M. PALMER LETTERS TO OSHA REGION 3 3 0 Text/Image View
42 3 -- EMERGENCY RESPONSE - R.M. PALMER PERMIT INFORMATION 16 0 Text/Image View
43 3 A�� EMERGENCY RESPONSE - CITY OF READING FIRE REPORT 5 0 Text/Image View
44 3 - EMERGENCY RESPONSE - FIRST ARRIVING UNITS 3 0 Text/Image View
45 3 A�� EMERGENCY RESPONSE - FIRE AND POLICE COMPANY LIST 2 0 Text/Image View
46 3 - EMERGENCY RESPONSE - UGI POST- INCIDENT TESTS 5 0 Text/Image View
47 3 - EMERGENCY RESPONSE - UGI LIST OF EQUIPMENT USED ON-SCENE 1 0 Text/Image View
48 3 - EMERGENCY RESPONSE - EXCERPTS FROM UGI EMERGENCY RESPONSE PLAN 28 0 Text/Image View
49 3 - EMERGENCY RESPONSE - UGI INCIDENT VALVE MAINTENANCE RECORDS 2 0 Text/Image View
50 3 A�� EMERGENCY RESPONSE - UGI EMERGENCY RESPONSE TRAINING PROCEDURE 4 0 Text/Image View
51 3 - EMERGENCY RESPONSE - UGI FIRST RESPONDER QUALIFICATIONS 42 0 Text/Image View
52 3- EMERGENCY RESPONSE -UGI DUTY SUPERVISOR TRAINING RECORDS 8 0 Text/Image View
53 3 - EMERGENCY RESPONSE - EXCERPT OF UGI FIVE- YEAR PA PUC INSPECTION HISTORY 11 0 Text/Image View
54 3 - EMERGENCY RESPONSE - RESIDENTIAL METHANE DETECTION PROGRAMS 15 0 Text/Image View
55 3 - EMERGENCY RESPONSE - R.M. PALMER POST ACCIDENT ACTIONS 3 0 Text/Image View
56 3 A�� SYSTEM SAFETY FACTUAL REPORT 36 0 Text/Image View
57 3 A�� SYSTEM SAFETY A�� PALMER SCRATCH SNIFF 2 0 Text/Image View
58 3 A�� SYSTEM SAFETY A�� EMPLOYEE HIRE DATES EMAIL 3 0 Text/Image View
59 3 A�� SYSTEM SAFETY A�� PALMER SAFETY TRAINING 2 0 Text/Image View
60 3 A�� SYSTEM SAFETY A�� CHOCOLATE UNLOADER TRAINING 8 0 Text/Image View
61 3 A�� SYSTEM SAFETY A�� MECHANIC TRAINING 13 0 Text/Image View
62 3 A�� SYSTEM SAFETY A�� PACKER EMAIL 3 0 Text/Image View
63 3 A�� SYSTEM SAFETY A�� PALMER W&PS TRAINING 39 0 Text/Image View
64 3 A�� SYSTEM SAFETY A�� UGI 2020 EFFECTIVENESS MEASUREMENT 52 0 Text/Image View
65 3 A�� SYSTEM SAFETY A�� UGI 2022 EFFECTIVENESS MEASUREMENT 40 0 Text/Image View
66 3 A�� SYSTEM SAFETY A�� UGI BILL INSERTS 42 0 Text/Image View
67 3 A�� SYSTEM SAFETY A�� UGI FOUR-YEAR EVALUATION 44 0 Text/Image View
68 4 - MATERIALS LABORATORY FACTUAL REPORT 23-072 107 64 Text/Image View
69 4 - MATERIALS LABORATORY SPECIALIST'S STUDY REPORT 23-086 11 6 Text/Image View
70 4 - MATERIALS LABORATORY - PALERMO - HISTORY OF ALDYL A PIPING SYSTEM 44 0 Text/Image View
71 4 - MATERIALS LABORATORY - DUPONT TECHNICAL BULLETIN 200 FROM 1975 6 0 Text/Image View
72 4 - MATERIALS LABORATORY - DUPONT ALDYL A PE2406 PRODUCT AND TECHNICAL BULLETIN 10 0 Text/Image View
73 4 - MATERIALS LABORATORY - DUPONT LETTER ON ALDYL A RESIN DESIGNATION CHANGE - 1985 1 0 Text/Image View
74 5 - INTEGRITY MANAGEMENT - INTEGRITY MANAGEMENT FACTUAL REPORT 32 0 Text/Image View
75 5 - INTEGRITY MANAGEMENT - UGI RECORDS OF INSIDE LEAK SURVEYS 17 S. 2ND AVE OR 77 S. 2ND AVE 2018-2023 3 0 Text/Image View
76 5 - INTEGRITY MANAGEMENT - UGI-GAS OPERATIONS MANUAL REQUIRED LEAK SURVEYS 1 0 Text/Image View
77 5 - INTEGRITY MANAGEMENT - UGI-GAS OPERATIONS MANUAL-CLASSIFICATION OF NATURAL GAS LEAKS 9 0 Text/Image View
78 5 - INTEGRITY MANAGEMENT - UGI-MANAGEMENT RESPONSIBILITIES FOR DISTRIBUTION INTEGRITY MANAGEMENT PROGRAM 1 0 Text/Image View
79 5 - INTEGRITY MANAGEMENT - UGI-DISTRIBUTION INTEGRITY MANAGEMENT STAFF ORGANIZATION CHART 1 0 Text/Image View
80 5 - INTEGRITY MANAGEMENT - UGI-SYSTEM OF RECORDS FOR DISTRIBUTION GAS MAINS AND SERVICES 2 0 Text/Image View
81 5 - INTEGRITY MANAGEMENT - UGI-EXTENT OF ALDYL A PIPING IN UGI DISTRIBUTION SYSTEM 6 0 Text/Image View
82 5 - INTEGRITY MANAGEMENT - UGI-ALDYL A PIPING BY ASSET COUNTS IN UGI DISTRIBUTION SYSTEM 1 0 Text/Image View
83 5 - INTEGRITY MANAGEMENT - UGI-SUPPLEMENTAL INFORMATION ON INSTALLATION OF ALDYL A TAPPING TEE REPAIR FITTINGS 1 0 Text/Image View
84 5 - INTEGRITY MANAGEMENT - UGI-HISTORY OF ALDYL A TAPPING TEE REPAIR FITTING INSTALLATION 1 0 Text/Image View
85 5 - INTEGRITY MANAGEMENT - UGI-DISTRIBUTION INTEGRITY PROGRAM THREAT IDENTIFICATION 1 0 Text/Image View
86 5 - INTEGRITY MANAGEMENT - UGI-EVOLUTION OF UGI DISTRIBUTION INTEGRITY RISK MODELS 1 0 Text/Image View
87 5 - INTEGRITY MANAGEMENT - UGI-IMPORTANCE WEIGHTING IN CONSEQUENCE OF FAILURE CALCULATION 1 0 Text/Image View
88 5 - INTEGRITY MANAGEMENT - UGI-NATURAL GAS SERVICE TERRITORY MAP 1 0 Text/Image View
89 5 - INTEGRITY MANAGEMENT - UGI-ANNUAL RISK REVIEW PROCESS 1 0 Text/Image View
90 5 - INTEGRITY MANAGEMENT - UGI-GAS OPERATIONS MANUAL-REQUIRED LEAK SURVEYS 1 0 Text/Image View
91 5 - INTEGRITY MANAGEMENT - UGI-BUSINESS DISTRICT LEAK SURVEYS NEAR 2ND AND CHERRY ST 2018-2023 2 0 Text/Image View
92 5 - INTEGRITY MANAGEMENT - UGI-STAFF DISTIBUTION INTEGRITY PROGRAM RESPONSIBILITIES 1 0 Text/Image View
93 5 - INTEGRITY MANAGEMENT - UGI-ALDYL A ADDITIONAL ACCELERATED ACTIONS 1 0 Text/Image View
94 5 - INTEGRITY MANAGEMENT - UGI-2ND AVE AND CHERRY ST REPLACEMENT SCHEDULE RESPONSE 1 0 Text/Image View
95 5 - INTEGRITY MANAGEMENT - UGI-GAS ASSET REPLACEMENT PROGRAM INFORMATION 1 0 Text/Image View
96 5 - INTEGRITY MANAGEMENT - UGI-EXPLANATION OF ADDITIONAL ACCELERATED ACTIONS EVALUATION FOR ALDYL A PIPING 1 0 Text/Image View
97 5 - INTEGRITY MANAGEMENT - UGI-EXTERNAL SOURCES OF INFORMATION FOR THE DISTRIBUTION INTEGRITY PROGRAM 1 0 Text/Image View
98 5 - INTEGRITY MANAGEMENT - UGI-SME INTEGRITY THREAT REVIEW PROCESS 1 0 Text/Image View
99 5 - INTEGRITY MANAGEMENT - UGI-QUARTERLY SUBJECT MATTER EXPERT REVIEW PROCESS 1 0 Text/Image View
100 5 - INTEGRITY MANAGEMENT - UGI INTEGRITY MANAGMENT PROGRAM EFFECTIVE DATE 1 0 Text/Image View
101 5 - INTEGRITY MANAGEMENT - UGI-REVISED FACILITY RECORD INSTRUCTIONS 6 0 Text/Image View
102 5 - INTEGRITY MANAGEMENT - UGI-INSIDE LEAK SURVEYS FOR 17 S. 2ND AVE OR 77 S. 2ND AVE 2018-2023 1 0 Text/Image View
103 5 - INTEGRITY MANAGEMENT - UGI-ALDYL A REPORTABLE INCIDENTS 1 0 Text/Image View
104 5 - INTEGRITY MANAGEMENT - UGI 5 YEAR LEAK HISTORY AND ODOR COMPLAINTS 2ND AVE 1 0 Text/Image View
105 5 - INTEGRITY MANAGEMENT - UGI-POST ACCIDENT SAFETY IMPROVEMENTS 15 0 Text/Image View
106 5 - INTEGRITY MANAGEMENT - UGI-MIGRATION TO A PROBABILISTIC RISK MODEL 1 0 Text/Image View
107 5 - INTEGRITY MANAGEMENT - UGI ALDYL-A TAP TEE REPAIR KIT OPERATION PROCEDURES 4 0 Text/Image View
108 5-INTEGRITY MANAGEMENT-UGI-REVISED FACILITY RECORD TRACKING 3 0 Text/Image View
109 5-INTEGRITY MANAGEMENT-UGI-ALDYL-A REPAIR KIT BULLETIN 1 0 Text/Image View
110 5 - INTEGRITY MANAGEMENT - UGI PIPE INSPECTION LEAK REPORTS FOR 2ND AVE 6 0 Text/Image View
111 5-INTEGRITY MANAGEMENT-UGI- REVISIONS AND CORRECTIONS OF FACILITY RECORDS GUIDANCE 9 0 Text/Image View
112 5-INTEGRITY MANAGEMENT-UGI- ALDYL-A REPAIR TOOL INSTRUCTION MANUAL 8 0 Text/Image View
113 5-INTEGRITY MANAGEMENT-UGI-NARRATIVE OF FACILITY REQUEST REVISIONS 1 0 Text/Image View
114 5 - INTEGRITY MANAGEMENT - UGI-CHERRY STREET DETAIL SKETCH 1 0 Text/Image View
115 5-INTEGRITY MANAGEMENT-UGI- REVISED FACILITY RECORD - REVISION FLOW CHART 1 0 Text/Image View
116 6 A�� INTERVIEWS AND STATEMENTS A�� UGI UTILITY A-III - 04-27-23 25 0 Text/Image View
117 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER CEO - 07-24-2023 21 0 Text/Image View
118 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER RETIRED MAINTENANCE SUPERVISOR - 04-21-2023 44 0 Text/Image View
119 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER RECEPTIONIST - 04-20-2023 30 0 Text/Image View
120 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER MAINTENANCE MECHANIC 71 0 Text/Image View
121 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER CEO & VP 135 0 Text/Image View
122 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER CHOCOLATE UNLOADER 49 0 Text/Image View
123 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER SECOND SHIFT SUPERVISOR - 04-20-2023 42 0 Text/Image View
124 6 A�� INTERVIEWS AND STATEMENTS A�� UGI CUSTOMER SERVICE 2 - 04-20-2023 32 0 Text/Image View
125 6 A�� INTERVIEWS AND STATEMENTS A�� UGI LOCATOR - 04-27-2023 28 0 Text/Image View
126 6 A�� INTERVIEWS AND STATEMENTS A�� UGI MECHANIC II A - 04-03-2023 AND 04-27-2023 94 0 Text/Image View
127 6 A�� INTERVIEWS AND STATEMENTS A�� UGI MECHANIC II B - 04-27-2023 36 0 Text/Image View
128 6 A�� INTERVIEWS AND STATEMENTS A�� UGI PREVIOUS MECHANIC II - 06-06-2023 42 0 Text/Image View
129 6 A�� INTERVIEWS AND STATEMENTS A�� UGI UTILITY A-I - 04-20-2023 29 0 Text/Image View
130 6 A�� INTERVIEWS AND STATEMENTS A�� UGI PANEL 68 0 Text/Image View
131 6 - INTERVIEWS AND STATEMENTS - WESTERN BERKS AMBULANCE ASSOCIATION 26 0 Text/Image View
132 6 - INTERVIEWS AND STATEMENTS - H.R. EWELL, INC. TRUCK DRIVER 24 0 Text/Image View
133 6 - INTERVIEWS AND STATEMENTS - PALMER PACKER C 22 0 Text/Image View
134 6 - INTERVIEWS AND STATEMENTS - R.M. PALMER INTERROGATORY REQUESTS 10 0 Text/Image View
135 6 - INTERVIEWS AND STATEMENTS - WEST READING VOLUNTEER FIRE DEPARTMENT 43 0 Text/Image View
136 6 - INTERVIEWS AND STATEMENTS - PA TASK FORCE ONE PROJECT MANAGER 26 0 Text/Image View
137 6 - INTERVIEWS AND STATEMENTS - CHIEF WYOMISSING POLICE DEPARTMENT 19 0 Text/Image View
138 6 - INTERVIEWS AND STATEMENTS - BUILDING 1 PRODUCTION SUPERVISOR 32 0 Text/Image View
139 6 - INTERVIEWS AND STATEMENTS - PALMER SECOND SHIFT CUSTODIAN 04-20-23 67 0 Text/Image View
140 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER MAINTENANCE SUPERVISOR 79 0 Text/Image View
141 6 A�� INTERVIEWS AND STATEMENTS - PALMER MAINTENANCE MECHANIC 2 28 0 Text/Image View
142 6 - INTERVIEWS AND STATEMENTS - PALMER PACKER A 26 0 Text/Image View
143 6 A�� INTERVIEWS AND STATEMENTS - PALMER PACKER A EMAIL 3 0 Text/Image View
144 6 - INTERVIEWS AND STATEMENTS - PALMER SECOND SHIFT CUSTODIAN 04-25-23 47 0 Text/Image View
145 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER MAINTENANCE MECHANIC 3 32 0 Text/Image View
146 6 A�� INTERVIEWS AND STATEMENTS A�� UGI FIRST RESPONDERS 157 0 Text/Image View
147 6 - INTERVIEWS AND STATEMENTS - PALMER PACKER B 27 0 Text/Image View
148 6 - INTERVIEWS AND STATEMENT - DETECTIVE WEST READING POLICE DEPARTMENT 24 0 Text/Image View
149 6 - INTERVIEWS AND STATEMENTS - ASSISTANT LINE TECHNICIAN 82 0 Text/Image View
150 6 - INTERVIEWS AND STATEMENT - CHIEF WEST READING POLICE DEPARTMENT 24 0 Text/Image View
151 7 - VIDEOS A�� FACTUAL REPORT 14 5 Text/Image View