Unprecedented rains flood Singapore - 0 views
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The first heavy downpour of the morning had carried debris and vegetation into the 2.7m by 2.7m culvert, starting a chain of events that led eventually to the flash flood.It was choked where it drained into the side of Delfi Orchard, so water was directed only into the side along Forum the Shopping Mall.When a second intense rainstorm the same morning added more water to the drains within a short period of time, the canal overflowed and water gushed up to the surface of Orchard Road, causing the worst floods there in 26 years.
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Although national water agency PUB alerted the traffic police when the sensors at the start of each Stamford Canal channel indicated water levels were at 75 per cent, the water level rose too abruptly to get the alert out to shopkeepers.At a press conference yesterday, the PUB said the heavy rains were responsible for sweeping the debris into the drain.
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What was unusual about Wednesday's storm was its intensity and its two peaks, he said. The first peak could have brought a certain amount of debris, and there was no way for PUB officers to safely check and clean it out. The next peak soon after might have brought even more debris.
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