CONSOLIDATED EDISON CO OF NEW YORK

Incident Narrative

ON FEBRUARY 5, 2016 AT 08:41, NEW YORK CITY EMERGENCY MANAGEMENT (NYCEM) REPORTED A MAJOR CRANE COLLAPSE AT 40 WORTH STREET, MANHATTAN, N.Y. TO THE GAS EMERGENCY RESPONSE CENTER. A CODE MURRE (MULTIPLE RESOURCE RESPONSE EVENT) WAS INITIATED AND NUMEROUS GAS DISTRIBUTION SERVICES (GDS) AND CONSTRUCTION CREWS AND SUPERVISORS WERE DISPATCHED. LEAK SURVEY, BRONX GDS AND QUEENS GDS CREWS WERE MOVED TO MANHATTAN TO ASSIST AT THE SITE AND WITH INCOMING LEAK VOLUME. WORTH STREET, BETWEEN WEST BROADWAY AND CHURCH STREET, IS SUPPLIED BY A RADIAL 6"" LOW PRESSURE STEEL MAIN CONNECTED TO A 12"" LOW PRESSURE (LP) CAST IRON MAIN ON THE EAST SIDE OF WEST BROADWAY. THE 6"" MAIN ON WORTH STREET SUPPLIES FOUR SERVICES ONLY AND ENDS IN FRONT OF 53 WORTH STREET. ELECTRIC OPERATIONS AND STEAM OPERATIONS WERE NOTIFIED AND RESPONDED; GAS DISTRIBUTION ENGINEERING WAS NOTIFIED TO IDENTIFY AN ISOLATION PLAN FOR THE 12"" LP CAST IRON MAIN SUPPLYING THE MAIN ON WORTH STREET AND ASSESS THE OUTAGE IMPACT RELATED TO SAME. AT 08:46, THE FIRE DEPARTMENT OF NEW YORK (FDNY) REPORTED AN OUTSIDE GAS ODOR AT 57 WORTH ST. WHICH WAS IN THE IMMEDIATE AREA OF THE COLLAPSE. GDS ARRIVED AT 08:50, INVESTIGATED AND REPORTED THAT A LARGE CRANE FELL ON WORTH STREET FROM HUDSON ST. TO CHURCH ST. GDS REPORTED NO GAS OR CO READINGS OR GAS ODORS WERE DETECTED DURING THE INITIAL INVESTIGATION. THE FDNY REQUESTED THE GAS MAIN ON WORTH STREET BE ISOLATED FROM WEST BROADWAY TO CHURCH STREET. AT 10:23, NYCEM REPORTED THE FDNY HAD EVACUATED APPROXIMATELY TWENTY OCCUPANTS OR MORE FROM THE NY STATE COURT BUILDING AT 71 THOMAS STREET DUE TO AN INSIDE GAS ODOR. GDS INVESTIGATED AND DID NOT DETECT ANY GAS ODORS OR READINGS AND NO CO READINGS WERE DETECTED. AN NEW YORK POLICE DEPARTMENT (NYPD) OFFICER INFORMED GDS THE BUILDING WAS NOT EVACUATED DUE TO A GAS ODOR BUT WAS EVACUATED FOR SAFETY DUE TO THE CRANE COLLAPSE NEARBY. AT 11:12, GDS REPORTED THE FOUR SERVICES ON WORTH STREET AND #171 WEST BROADWAY (USED FOR A FIRE BANK STOPPER LOCATION) WERE VERIFIED OFF AT THE SERVICE HEAD VALVES AND AT 11:48, THE STOPPERS WERE INSTALLED IN THE NORTH AND SOUTH FIRE BANKS ISOLATING THE GAS MAIN ON WORTH STREET. AT 14:40, THE CUT AND CAP OF THE 12"" LP CAST IRON MAIN WAS COMPLETED. FIVE SERVICES WERE ISOLATED INTERRUPTING SERVICE TO EIGHT GAS METER ACCOUNTS (ALL COMMERCIAL). THERE WAS NO NEGATIVE SYSTEM IMPACT AS A RESULT OF THIS MAIN ISOLATION. A TOTAL OF TWENTY-TWO GAS ODOR COMPLAINTS WERE RECEIVED IN THE AREA OF THE CRANE COLLAPSE. ALL READINGS WERE VENTED TO 0% GAS READINGS. THERE WAS SIGNIFICANT MEDIA COVERAGE OF THIS EVENT AND REPORTING INCLUDED THE PRESENCE OF GAS ODORS IN THE AREA. CON EDISON'S SENIOR EXECUTIVES WERE ON LOCATION AND NYC ELECTED OFFICIALS RESPONDED TO LOCATION INCLUDING MAYOR DIBLASIO. ON FEBRUARY 10, 2016 AT 07:11, GAS RESTORATION WAS COMPLETED TO ALL AVAILABLE CUSTOMERS, EXCAVATIONS BACKFILLED AND RESTORATION WORK COMPLETED. OSHA RESPONDED TO LOCATION AND NYS PUBLIC SERVICE COMMISSION, NYC DEPARTMENT OF ENVIRONMENTAL PROTECTION AND US DEPARTMENT OF TRANSPORTATION WERE NOTIFIED.