Board Meeting Presentations - Ceiling Collapse in the Interstate 90 Connector Tunnel

July 10, 2007

Boston, Massachusetts
July 10, 2006

Presentations

Investigator In Chief (IIC) statement Boston, MA - [ PDF (8.48 MB) | PPT (9.37 MB)] and also Agencies and Companies Involved in Ceiling Design and Construction - [ PDF (795 KB) | PPT (1.15 MB)]
Mark bagnard

Collapse Sequence and Postaccident Activities - [ PDF (3,46 MB) | PPT (44.4 MB)]
James F. Wildey II

Tunnel Design, Inspections, and National Standards - [ PDF (446 KB) | PPT (680 KB)]
Carl Schultheisz

Tunnel Design, Inspections, and National Standards - [ PDF (607 KB) | PPT (954 KB)] and also Tunnel Inspections and National Standards - [ PDF (1.06 MB) | PPT (1.87 MB)]
Dan Walsh