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: 12/04/2019

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

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


Docket Table of Contents

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