As Forest City negotiated with Morgan Stanley, two other major corporate players were being wooed for the site: the Securities Industry Automation Corporation (SIAC) and Brooklyn Union Gas. The key to SIAC's decision to move to Metrotech was that the site was on a separate power grid from Manhattan's, which meant their operations would be safe if Manhattan experienced a power failure, as had happened in the New York City blackout of 1977. The move that sealed the decision to build the MetroTech vision begun by Bugliarello was convincing Chase Manhattan Bank to relocate its back office operations there.