7 p.m. Sunday, 10/28
–Subway shut down.
–Workers walk through East River tunnels, checking pump rooms and removing motors from the track floors.
–41 barricades and many more sidewalk vent covers constructed from 10,000 sandbags and 1,200 sheets of plywood.
8 p.m. Monday, 10/29
–Storm makes landfall.
–Crews of five to nine race through tunnels aboard seven SOTs (storm-operation trains), scouting for problems.
1 a.m. Tuesday, 10/30
–Three diesel-powered pump trains start sucking floodwater from the East River tunnels.
–More than half of subway lines run partial service.
–84 percent of subway service restored.
Final cleanup tally:
65.5 M gallons of water removed systemwide.