The offices of New York Crane and Equipment, which owns the cranes in last Friday's as well as March's fatal crane collapses, were searched and documents were seized, according the NY Times. Currently, there are investigations from the Manhattan DA's office, the Department of Investigation, and OSHA into the collapse.
Crane Company Did Use Damaged (But Repaired) Crane
Most Crane Operations Continue as City Investigates UES Crane Collapse
The Building Department allowed "most" crane operations across the city to resume as the investigation into what caused Friday's fatal crane collapse at East 91st Street continues.
DA's Office Opens Criminal Investigation in Crane Collapse
The NY Times reports that the Manhattan District Attorney's office has opened up a criminal investigation into Friday's construction crane collapse on East 91st Street that left two dead. Apparently, it's possible that the crane, manufactured by Kodiak, could be the same one, as the Daily News reported yesterday, that "cracked at a project on W.46th St. and was welded before it was sent to the doomed building at 333 E. 91st St."
Investigation Begins in Upper East Side Crane Collapse; DOB Focuses on "Weld That Failed"
Yesterday, at a luxury condominium construction site, a crane collapsed at East 91st Street and First Avenue, damaging a building across the street and killing two workers. Though this was the second crane collapse in two months, city officials do not believe the circumstances were similar to th March 15 incident where a condominium construction crane collapsed into buildings, killing seven people. In fact, the DOB believes a weld in the crane is what failed.

