Difference Engine: Disaster waiting to happen

Reliability of the grid

Sep 16th 2011, 13:56 by N.V. | LOS ANGELES

LAST weekend’s vigilance against potential terrorist attacks was an impressive demonstration of America’s resolve to prevent events of September 11th 2001 from ever happening again. From your correspondent’s hillside perch above Santa Monica Bay, he watched National Guard F-16 jets make repeated sweeps across the ocean by Los Angeles International Airport and then on to the huge port complex of Long Beach and San Pedro, while a Navy P-3 Orion maritime-surveillance aircraft circled overhead. The cacophony was deafening but reassuring. Angelinos slept easier that night.
Yet, further down the coast, 6m citizens of southern California and south-west Arizona, along with their cousins across the Mexican border, were just recovering from a man-made disaster that had plunged their sweltering world into darkness—shutting down schools, hospitals, offices, factories, shops and restaurants, as lighting, air-conditioning and other essential equipment ceased to function.
Beaches in San Diego had to be closed to the public because raw sewage had seeped into the sea. Passengers on trains stuck between stations and trapped in lifts had to be rescued by the police. Flights from San Diego International Airport were cancelled because security checkpoints were inoperable during the power outage and passenger processing could not be carried out. (Emergency runway lights meant that inbound flights could still land.) With traffic lights out of action and petrol stations unable to pump, motorists abandoned their vehicles and added to the gridlock that ruled the roads. By great good fortune, no-one died or was seriously injured. But normal life, for those so affected, ground to a miserable and unnerving halt.

The difference between the two events could not have been more stark. One was all about preparedness and professionalism. The other was a forceful reminder of the chaos wrought by personal negligence and institutional neglect. “We don’t need no lousy terrorists to cause mayhem,” San Diegans must have reflected afterwards. “We can manage just fine by ourselves.” ......More