Docket Contents

Project Summary: Pipeline Investigation - 23 Docket Items - DCA17MP007

Description: Natural gas explosion at Minnehaha Academy School

Mode: Pipeline

NTSB Number: DCA17MP007

Date of Accident: 08/02/2017

City: Minneapolis

State / Region: MN

Country: United States

Project Type: Investigation


Docket Information

Creation Date: 12/04/19

Last Modified: 12/12/2019 10:26 PM

Public Release Date & Time: 12/05/2019 10:34 AM


Docket Items: 23

#

Title

Pgs

Photo

Type

1 Survival Factors - Factual Report of the Investigation 13 2 Adobe PDF file
2 Materials Laboratory Factual Report 17-095 8 8 Adobe PDF file
3 Pipeline Operations - Walworth Valve Maintenance Requirements and CPEMG input to Maintenance 13 0 Adobe PDF file
4 Party Submission - CenterPoint Energy Party Submission of 15Nov2019 32 0 Adobe PDF file
5 Pipeline Operations CNP Response Mn Department of Public Safety 5 0 Adobe PDF file
6 Pipeline Operations - Master Mechanical Scope of Work Document 5 0 Adobe PDF file
7 Pipeline Operations - Letter - MN Public Utilities to MN Department Commerce 7 0 Adobe PDF file
8 Pipeline Operations - MN Office of Pipeline Safety - Citation 16 0 Adobe PDF file
9 Integrity Management - CenterPoint Energy Email Response to Plug Valve Issues 2 0 Adobe PDF file
10 Incident Command Report - School Occupants at Time of Explosion/Fire 3 0 Adobe PDF file
11 Interview Transcript CPE Foreman Metcalf [transcript + errata] 45 0 Adobe PDF file
12 Interview transcript CPE Advanced Foreman McCoy [transcript + errata] 43 0 Adobe PDF file
13 Interview transcript CPE Area Manager Jones [transcript + errata] 25 0 Adobe PDF file
14 Interview transcript CPE Dir of Engrg and Tech Field Operations Wiinamaki [transcript + errata] 80 0 Adobe PDF file
15 Interview transcript CPE Engrg Specialist Yerks [transcript + errata] 45 0 Adobe PDF file
16 Interview transcript CPE Meter Installer Foreperson Ebel [transcript + errata] 81 0 Adobe PDF file
17 Interview transcript Master Mech Apprentice (pipefitter’s helper) Kass, Logan [transcript + errata] 55 0 Adobe PDF file
18 Interview transcript Master Mech Journeyman (pipefitter) Kass, Steven [transcript + errata] 77 0 Adobe PDF file
19 Interview transcript Master Mech Safety Coordinator Pond [transcript + errata] 31 0 Adobe PDF file
20 Interview transcript Master Mech Sup't Boland [transcript + errata] 94 0 Adobe PDF file
21 Interview transcript Minnehaha Academy North Campus Bldg Supvr Dubois [transcript + errata] 53 0 Adobe PDF file
22 Adopted NTSB Report 10 3 Adobe PDF file
23 Pipeline Operations - Pipeline Operations/Integrity Mgmt. Factual Report 33 12 Adobe PDF file