Docket Contents

Project Summary: Pipeline Investigation - 163 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: 05/16/23

Last Modified: 03/25/2023 10:39 AM

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


Docket Items: 163

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Title

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Photo

Type

1 1 - IIC - PRELIMINARY REPORT 3 0 Text/Image
2 1 - IIC - INVESTIGATIVE UPDATEA A 3 0 Text/Image
3 1 - IIC - PARTY SUBMISSION - R.M. PALMER 22 0 Text/Image
4 1 - IIC - SUPPLEMENTAL PARTY SUBMISSION - UGI 6 0 Text/Image
5 1 - IIC ACCIDENT SUMMARY 3 0 Text/Image
6 1- IIC PARTY REMOVAL LETTER 2 0 Text/Image
7 2 - PIPELINE OPERATIONS FACTUAL REPORT 71 0 Text/Image
8 2 A�� PIPELINE OPERATIONS A�� SUMMARY OF UGI CORPORATION AND UGI UTILITIES, APRIL 1, 2023 - UGI 1 0 Text/Image
9 2 A�� PIPELINE OPERATIONS A�� WRITTEN DESCRIPTION OF UGI ASSETS ON CHERRY STREET - UGI 1 0 Text/Image
10 2 A�� PIPELINE OPERATIONS A�� FLOW TEST RESULTS - UGI 22 0 Text/Image
11 2- PIPELINE OPERATIONS - AIRFLOW VELOCITY TEST RESULTS - OSHA 2 0 Text/Image
12 2 A�� PIPELINE OPERATIONS A�� PRESSURE OF MAIN ON CHERRY STREET- UGI 18 0 Text/Image
13 2 A�� PIPELINE OPERATIONS A�� PRESSURE TEST RESULTS - UGI 85 0 Text/Image
14 2 A�� PIPELINE OPERATIONS A�� BARHOLE TESTS RESULTS - UGI 8 0 Text/Image
15 2 - PIPELINE OPERATIONS - COMPANY DEVELOPMENT DATELINE - PALMER 1 0 Text/Image
16 2 - PIPELINE OPERATIONS - PA ONE CALL REQUIREMENTS - CORRESPONDENCE BETWEEN NTSB, PA ONE CALL, AND BOROUGH OF WEST READING 12 0 Text/Image
17 2 A�� PIPELINE OPERATIONS A�� PSMS SUPPLEMENTAL NARRATIVE UGI'S PROGRESS - UGI 1 0 Text/Image
18 2 A�� PIPELINE OPERATIONS A�� PSMS NARRATIVE SUMMARIZE UGI'S PROGRESS - UGI 1 0 Text/Image
19 2 -PIPELINE OPERATIONS - R.M. PALMER INCIDENT ECHELON REPORT 8-30-23 - EXCERPT 2 0 Text/Image
20 2 - PIPELINE OPERATIONS - GENERAL CONSTRUCTION REQUIREMENTS - UGI 6 0 Text/Image
21 2 A�� PIPELINE OPERATIONS A�� INSTALLATION METHODS 12/13/2018 - UGI 2 0 Text/Image
22 2 A�� PIPELINE OPERATIONS A�� LOCATOR WIRE AND OTHER LOCATE TECHNOLOGY 11/4/2020 - UGI 3 0 Text/Image
23 2 A�� PIPELINE OPERATIONS A�� SERVICE CONNECTIONS 2/12/2018 - UGI 4 0 Text/Image
24 2 A�� PIPELINE OPERATIONS A�� EXAMINATION OF EXPOSED UNDERGROUND PIPING 11/4/2020 - UGI 5 0 Text/Image
25 2 A�� PIPELINE OPERATIONS A�� DAMAGE PREVENTION PROGRAM 8/2/2022 - UGI 2 0 Text/Image
26 2 A�� PIPELINE OPERATIONS A�� 1ST AND 2ND PARTY EXCAVATION ACTIVITIES 8/2/2022 - UGI 4 0 Text/Image
27 A2 A�� PIPELINE OPERATIONS A�� FACILITY DAMAGE REPORTING AND INVESTIGATION 8/2/2022 - UGI 11 0 Text/Image
28 2 A�� PIPELINE OPERATIONS A�� REPORTING AND INVESTIGATION OF MATERIAL FAILURES 12/9/2019 - UGI 5 0 Text/Image
29 2 A�� PIPELINE OPERATIONS A�� LEAK SURVEY. 4/30/2019 - UGI 4 0 Text/Image
30 2 A�� PIPELINE OPERATIONS A�� MOBILE LEAK SURVEY. 2/12/2018 - UGI 2 0 Text/Image
31 2 A�� PIPELINE OPERATIONS A�� WALKING LEAK SURVEY. 11/8/2021 - UGI 3 0 Text/Image
32 2 A�� PIPELINE OPERATIONS A�� INSIDE SERVICE LEAK SURVEY AND INSPECTION. 10/22/2021 - UGI 3 0 Text/Image
33 2 A�� PIPELINE OPERATIONS A�� PINPOINTING UNDERGROUND GAS LEAKS. 4/12/2018 - UGI 4 0 Text/Image
34 2 A�� PIPELINE OPERATIONS A�� BREACH LOCATION - UGI 2 0 Text/Image
35 2 A�� PIPELINE OPERATIONS A�� PIPELINE REPAIR PROCEDURES. 2/16/2022 - UGI 1 0 Text/Image
36 2 A�� PIPELINE OPERATIONS A�� PIPELINE SMS MATURITY MODEL - UGI 1 0 Text/Image
37 2 A�� PIPELINE OPERATIONS A�� RETIREMENT OF FACILITIES. 12/9/2019 - UGI 4 0 Text/Image
38 2 - PIPELINE OPERATIONS - R.M. PALMER INCIDENT COSTS 2 0 Text/Image
39 2 A�� PIPELINE OPERATIONS A�� PA STATE POLICE INCIDENT REPORT EXCERPT 15 0 Text/Image
40 2 A�� PIPELINE OPERATIONS A�� SUMMARIZE UGI'S PROGRESS IN IMPLEMENTING ANSI/API 1173 - UGI 1 0 Text/Image
41 3 - EMERGENCY RESPONSE FACTUAL 38 0 Text/Image
42 3 - EMERGENCY RESPONSE SUPPLEMENTAL FACTUAL REPORT 10 0 Text/Image
43 3 - EMERGENCY RESPONSE - R.M. PALMER CONTRACTOR EMAIL 4 0 Text/Image
44 3 - EMERGENCY RESPONSE - R.M. PALMER LIST OF CHEMICALS IN BUILDING 2 1 0 Text/Image
45 3 - EMERGENCY RESPONSE - 5 - YEAR LEAK AND ODOR CALLS AT R.M. PALMER 1 0 Text/Image
46 3 - EMERGENCY RESPONSE - EXCERPTS OF R.M. PALMER RED BOOK 54 0 Text/Image
47 3 - EMERGENCY RESPONSE - R.M. PALMER FIRE DRILLS 27 0 Text/Image
48 3 A�� EMERGENCY RESPONSE - R.M. PALMER LETTERS TO OSHA REGION 3 3 0 Text/Image
49 3 -- EMERGENCY RESPONSE - R.M. PALMER PERMIT INFORMATION 16 0 Text/Image
50 3 A�� EMERGENCY RESPONSE - CITY OF READING FIRE REPORT 5 0 Text/Image
51 3 - EMERGENCY RESPONSE - FIRST ARRIVING UNITS 3 0 Text/Image
52 3 A�� EMERGENCY RESPONSE - FIRE AND POLICE COMPANY LIST 2 0 Text/Image
53 3 - EMERGENCY RESPONSE - UGI POST- INCIDENT TESTS 5 0 Text/Image
54 3 - EMERGENCY RESPONSE - UGI LIST OF EQUIPMENT USED ON-SCENE 1 0 Text/Image
55 3 - EMERGENCY RESPONSE - EXCERPTS FROM UGI EMERGENCY RESPONSE PLAN 28 0 Text/Image
56 3 - EMERGENCY RESPONSE - UGI INCIDENT VALVE MAINTENANCE RECORDS 2 0 Text/Image
57 3 A�� EMERGENCY RESPONSE - UGI EMERGENCY RESPONSE TRAINING PROCEDURE 4 0 Text/Image
58 3 - EMERGENCY RESPONSE - UGI FIRST RESPONDER QUALIFICATIONS 42 0 Text/Image
59 3- EMERGENCY RESPONSE -UGI DUTY SUPERVISOR TRAINING RECORDS 8 0 Text/Image
60 3 - EMERGENCY RESPONSE - EXCERPT OF UGI FIVE- YEAR PA PUC INSPECTION HISTORY 11 0 Text/Image
61 3 - EMERGENCY RESPONSE - RESIDENTIAL METHANE DETECTION PROGRAMS 15 0 Text/Image
62 3 - EMERGENCY RESPONSE - R.M. PALMER POST ACCIDENT ACTIONS 3 0 Text/Image
63 3 - EMERGENCY RESPONSE - OSHA SETTLEMENT AGREEMENT WITH R.M. PALMER 5 0 Text/Image
64 3 - EMERGENCY RESPONSE - UGI VALVE MAINTENANCE PROCEDURE A�� JANUARY 2022 6 0 Text/Image
65 3 - EMERGENCY RESPONSE - NTSB COMMUNICATIONS WITH PA PUC - SEPTEMBER 2024 3 0 Text/Image
66 3 A�� SYSTEM SAFETY FACTUAL REPORT 36 0 Text/Image
67 3 A�� SYSTEM SAFETY A�� PALMER SCRATCH SNIFF 2 0 Text/Image
68 3 A�� SYSTEM SAFETY A�� EMPLOYEE HIRE DATES EMAIL 3 0 Text/Image
69 3 A�� SYSTEM SAFETY A�� PALMER SAFETY TRAINING 2 0 Text/Image
70 3 A�� SYSTEM SAFETY A�� CHOCOLATE UNLOADER TRAINING 8 0 Text/Image
71 3 A�� SYSTEM SAFETY A�� MECHANIC TRAINING 13 0 Text/Image
72 3 A�� SYSTEM SAFETY A�� PACKER EMAIL 3 0 Text/Image
73 3 A�� SYSTEM SAFETY A�� PALMER W&PS TRAINING 39 0 Text/Image
74 3 A�� SYSTEM SAFETY A�� UGI 2020 EFFECTIVENESS MEASUREMENT 52 0 Text/Image
75 3 A�� SYSTEM SAFETY A�� UGI 2022 EFFECTIVENESS MEASUREMENT 40 0 Text/Image
76 3 A�� SYSTEM SAFETY A�� UGI BILL INSERTS 42 0 Text/Image
77 3 A�� SYSTEM SAFETY A�� UGI FOUR-YEAR EVALUATION 44 0 Text/Image
78 4 - MATERIALS LABORATORY FACTUAL REPORT 23-072 107 64 Text/Image
79 4 - MATERIALS LABORATORY SPECIALIST'S STUDY REPORT 23-086 11 6 Text/Image
80 4 - MATERIALS LABORATORY - PALERMO - HISTORY OF ALDYL A PIPING SYSTEM 44 0 Text/Image
81 4 - MATERIALS LABORATORY - DUPONT TECHNICAL BULLETIN 200 FROM 1975 6 0 Text/Image
82 4 - MATERIALS LABORATORY - DUPONT ALDYL A PE2406 PRODUCT AND TECHNICAL BULLETIN 10 0 Text/Image
83 4 - MATERIALS LABORATORY - DUPONT LETTER ON ALDYL A RESIN DESIGNATION CHANGE - 1985 1 0 Text/Image
84 5 - INTEGRITY MANAGEMENT - INTEGRITY MANAGEMENT FACTUAL REPORT 32 0 Text/Image
85 5 - INTEGRITY MANAGEMENT-INTEGRITY MANAGEMENT FACTUAL REPORT-SUPPLEMENTAL 7 0 Text/Image
86 5 - INTEGRITY MANAGEMENT - UGI RECORDS OF INSIDE LEAK SURVEYS 17 S. 2ND AVE OR 77 S. 2ND AVE 2018-2023 3 0 Text/Image
87 5 - INTEGRITY MANAGEMENT - UGI-GAS OPERATIONS MANUAL REQUIRED LEAK SURVEYS 1 0 Text/Image
88 5 - INTEGRITY MANAGEMENT - UGI-GAS OPERATIONS MANUAL-CLASSIFICATION OF NATURAL GAS LEAKS 9 0 Text/Image
89 5 - INTEGRITY MANAGEMENT - UGI-MANAGEMENT RESPONSIBILITIES FOR DISTRIBUTION INTEGRITY MANAGEMENT PROGRAM 1 0 Text/Image
90 5 - INTEGRITY MANAGEMENT - UGI-DISTRIBUTION INTEGRITY MANAGEMENT STAFF ORGANIZATION CHART 1 0 Text/Image
91 5 - INTEGRITY MANAGEMENT - UGI-SYSTEM OF RECORDS FOR DISTRIBUTION GAS MAINS AND SERVICES 2 0 Text/Image
92 5 - INTEGRITY MANAGEMENT - UGI-EXTENT OF ALDYL A PIPING IN UGI DISTRIBUTION SYSTEM 6 0 Text/Image
93 5 - INTEGRITY MANAGEMENT - UGI-ALDYL A PIPING BY ASSET COUNTS IN UGI DISTRIBUTION SYSTEM 1 0 Text/Image
94 5 - INTEGRITY MANAGEMENT - UGI-SUPPLEMENTAL INFORMATION ON INSTALLATION OF ALDYL A TAPPING TEE REPAIR FITTINGS 1 0 Text/Image
95 5 - INTEGRITY MANAGEMENT - UGI-HISTORY OF ALDYL A TAPPING TEE REPAIR FITTING INSTALLATION 1 0 Text/Image
96 5 - INTEGRITY MANAGEMENT - UGI-DISTRIBUTION INTEGRITY PROGRAM THREAT IDENTIFICATION 1 0 Text/Image
97 5 - INTEGRITY MANAGEMENT - UGI-EVOLUTION OF UGI DISTRIBUTION INTEGRITY RISK MODELS 1 0 Text/Image
98 5 - INTEGRITY MANAGEMENT - UGI-IMPORTANCE WEIGHTING IN CONSEQUENCE OF FAILURE CALCULATION 1 0 Text/Image
99 5 - INTEGRITY MANAGEMENT - UGI-NATURAL GAS SERVICE TERRITORY MAP 1 0 Text/Image
100 5 - INTEGRITY MANAGEMENT - UGI-ANNUAL RISK REVIEW PROCESS 1 0 Text/Image
101 5 - INTEGRITY MANAGEMENT - UGI-GAS OPERATIONS MANUAL-REQUIRED LEAK SURVEYS 1 0 Text/Image
102 5 - INTEGRITY MANAGEMENT - UGI-BUSINESS DISTRICT LEAK SURVEYS NEAR 2ND AND CHERRY ST 2018-2023 2 0 Text/Image
103 5 - INTEGRITY MANAGEMENT - UGI-STAFF DISTIBUTION INTEGRITY PROGRAM RESPONSIBILITIES 1 0 Text/Image
104 5 - INTEGRITY MANAGEMENT - UGI-ALDYL A ADDITIONAL ACCELERATED ACTIONS 1 0 Text/Image
105 5 - INTEGRITY MANAGEMENT - UGI-2ND AVE AND CHERRY ST REPLACEMENT SCHEDULE RESPONSE 1 0 Text/Image
106 5 - INTEGRITY MANAGEMENT - UGI-GAS ASSET REPLACEMENT PROGRAM INFORMATION 1 0 Text/Image
107 5 - INTEGRITY MANAGEMENT - UGI-EXPLANATION OF ADDITIONAL ACCELERATED ACTIONS EVALUATION FOR ALDYL A PIPING 1 0 Text/Image
108 5 - INTEGRITY MANAGEMENT - UGI-EXTERNAL SOURCES OF INFORMATION FOR THE DISTRIBUTION INTEGRITY PROGRAM 1 0 Text/Image
109 5 - INTEGRITY MANAGEMENT - UGI-SME INTEGRITY THREAT REVIEW PROCESS 1 0 Text/Image
110 5 - INTEGRITY MANAGEMENT - UGI-QUARTERLY SUBJECT MATTER EXPERT REVIEW PROCESS 1 0 Text/Image
111 5 - INTEGRITY MANAGEMENT - UGI INTEGRITY MANAGMENT PROGRAM EFFECTIVE DATE 1 0 Text/Image
112 5 - INTEGRITY MANAGEMENT - UGI-REVISED FACILITY RECORD INSTRUCTIONS 6 0 Text/Image
113 5 - INTEGRITY MANAGEMENT - UGI-INSIDE LEAK SURVEYS FOR 17 S. 2ND AVE OR 77 S. 2ND AVE 2018-2023 1 0 Text/Image
114 5 - INTEGRITY MANAGEMENT - UGI-ALDYL A REPORTABLE INCIDENTS 1 0 Text/Image
115 5 - INTEGRITY MANAGEMENT - UGI 5 YEAR LEAK HISTORY AND ODOR COMPLAINTS 2ND AVE 1 0 Text/Image
116 5 - INTEGRITY MANAGEMENT - UGI-POST ACCIDENT SAFETY IMPROVEMENTS 15 0 Text/Image
117 5 - INTEGRITY MANAGEMENT - UGI-MIGRATION TO A PROBABILISTIC RISK MODEL 1 0 Text/Image
118 5 - INTEGRITY MANAGEMENT - UGI ALDYL-A TAP TEE REPAIR KIT OPERATION PROCEDURES 4 0 Text/Image
119 5-INTEGRITY MANAGEMENT-UGI-REVISED FACILITY RECORD TRACKING 3 0 Text/Image
120 5-INTEGRITY MANAGEMENT-UGI-ALDYL-A REPAIR KIT BULLETIN 1 0 Text/Image
121 5 - INTEGRITY MANAGEMENT - UGI PIPE INSPECTION LEAK REPORTS FOR 2ND AVE 6 0 Text/Image
122 5-INTEGRITY MANAGEMENT-UGI- REVISIONS AND CORRECTIONS OF FACILITY RECORDS GUIDANCE 9 0 Text/Image
123 5-INTEGRITY MANAGEMENT-UGI- ALDYL-A REPAIR TOOL INSTRUCTION MANUAL 8 0 Text/Image
124 5-INTEGRITY MANAGEMENT-UGI-NARRATIVE OF FACILITY REQUEST REVISIONS 1 0 Text/Image
125 5 - INTEGRITY MANAGEMENT - UGI-CHERRY STREET DETAIL SKETCH 1 0 Text/Image
126 5-INTEGRITY MANAGEMENT-UGI- REVISED FACILITY RECORD - REVISION FLOW CHART 1 0 Text/Image
127 6 A�� INTERVIEWS AND STATEMENTS A�� UGI UTILITY A-III - 04-27-23 25 0 Text/Image
128 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER CEO - 07-24-2023 21 0 Text/Image
129 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER RETIRED MAINTENANCE SUPERVISOR - 04-21-2023 44 0 Text/Image
130 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER RECEPTIONIST - 04-20-2023 30 0 Text/Image
131 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER MAINTENANCE MECHANIC 71 0 Text/Image
132 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER CEO & VP 135 0 Text/Image
133 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER CHOCOLATE UNLOADER 49 0 Text/Image
134 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER SECOND SHIFT SUPERVISOR - 04-20-2023 42 0 Text/Image
135 6 A�� INTERVIEWS AND STATEMENTS A�� UGI CUSTOMER SERVICE 2 - 04-20-2023 32 0 Text/Image
136 6 A�� INTERVIEWS AND STATEMENTS A�� UGI LOCATOR - 04-27-2023 28 0 Text/Image
137 6 A�� INTERVIEWS AND STATEMENTS A�� UGI MECHANIC II A - 04-03-2023 AND 04-27-2023 94 0 Text/Image
138 6 A�� INTERVIEWS AND STATEMENTS A�� UGI MECHANIC II B - 04-27-2023 36 0 Text/Image
139 6 A�� INTERVIEWS AND STATEMENTS A�� UGI PREVIOUS MECHANIC II - 06-06-2023 42 0 Text/Image
140 6 A�� INTERVIEWS AND STATEMENTS A�� UGI UTILITY A-I - 04-20-2023 29 0 Text/Image
141 6 A�� INTERVIEWS AND STATEMENTS A�� UGI PANEL 68 0 Text/Image
142 6 - INTERVIEWS AND STATEMENTS - WESTERN BERKS AMBULANCE ASSOCIATION 26 0 Text/Image
143 6 - INTERVIEWS AND STATEMENTS - H.R. EWELL, INC. TRUCK DRIVER 24 0 Text/Image
144 6 - INTERVIEWS AND STATEMENTS - PALMER PACKER C 22 0 Text/Image
145 6 - INTERVIEWS AND STATEMENTS - R.M. PALMER INTERROGATORY REQUESTS 10 0 Text/Image
146 6 - INTERVIEWS AND STATEMENTS - WEST READING VOLUNTEER FIRE DEPARTMENT 43 0 Text/Image
147 6 - INTERVIEWS AND STATEMENTS - PA TASK FORCE ONE PROJECT MANAGER 26 0 Text/Image
148 6 - INTERVIEWS AND STATEMENTS - CHIEF WYOMISSING POLICE DEPARTMENT 19 0 Text/Image
149 6 - INTERVIEWS AND STATEMENTS - BUILDING 1 PRODUCTION SUPERVISOR 32 0 Text/Image
150 6 - INTERVIEWS AND STATEMENTS - PALMER SECOND SHIFT CUSTODIAN 04-20-23 67 0 Text/Image
151 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER MAINTENANCE SUPERVISOR 79 0 Text/Image
152 6 A�� INTERVIEWS AND STATEMENTS - PALMER MAINTENANCE MECHANIC 2 28 0 Text/Image
153 6 - INTERVIEWS AND STATEMENTS - PALMER PACKER A 26 0 Text/Image
154 6 A�� INTERVIEWS AND STATEMENTS - PALMER PACKER A EMAIL 3 0 Text/Image
155 6 - INTERVIEWS AND STATEMENTS - PALMER SECOND SHIFT CUSTODIAN 04-25-23 47 0 Text/Image
156 6 A�� INTERVIEWS AND STATEMENTS A�� PALMER MAINTENANCE MECHANIC 3 32 0 Text/Image
157 6 A�� INTERVIEWS AND STATEMENTS A�� UGI FIRST RESPONDERS 157 0 Text/Image
158 6 - INTERVIEWS AND STATEMENTS - PALMER PACKER B 27 0 Text/Image
159 6 - INTERVIEWS AND STATEMENT - DETECTIVE WEST READING POLICE DEPARTMENT 24 0 Text/Image
160 6 - INTERVIEWS AND STATEMENTS - ASSISTANT LINE TECHNICIAN 82 0 Text/Image
161 6 - INTERVIEWS AND STATEMENT - CHIEF WEST READING POLICE DEPARTMENT 24 0 Text/Image
162 7 - VIDEOS A�� FACTUAL REPORT 14 5 Text/Image
163 PHOTOGRAPH STUDY 15 0 Text/Image