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>> ASIAONE / NEWS / ASIAONE NEWS / SINGAPORE / STORY
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</TD></TR><TR><TD class=content_subtitle align=left>Thu, Jun 17, 2010
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</TD></TR><!-- Story With Image End --><TR><TD class=bodytext_10pt colSpan=3><!-- CONTENT : start -->In a press statement released today, the Public Utilities Board (PUB) said that intense rainfall and debris in the drainage system was the reason for floods along the Orchard Road shopping district.
The PUB said in the statement that it conducted a thorough investigation into the cause of the floods in Orchard Road yesterday. This included a hydraulic analysis and thorough physical checks of the drainage system for Stamford Canal.
Investigations revealed that the flood was most likely caused by the short and intense rain which peaked twice on the morning of 16 June 2010 at about 9.30am and 10.30am that washed debris into a culvert near Delfi Orchard.
The culvert diverts water from Nassim and Cuscaden Road into two sections of Stamford Canal which runs along Orchard Road.
<TABLE border=0 cellSpacing=2 cellPadding=2 width=300 align=right><TBODY><TR><TD><SCRIPT language=JavaScript src="/static/ads/scripts/adsimu.js"></SCRIPT><SCRIPT type=text/javascript src="http://adtag.asiaone.com/tag/a1/js/asiaone_news_imu.js"></SCRIPT><SCRIPT type=text/javascript src="http://ad.doubleclick.net/adj/AsiaOneNews/;pos=1;adtype=1;adtype=2;adtype=3;adtype=4;adtype=5;tile=5;sz=300x250;ord=499118142766267.75?"></SCRIPT><SCRIPT type=text/javascript src="http://ad.doubleclick.net/adj/AsiaOneNews/;pos=50;adtype=1;adtype=2;adtype=3;adtype=4;adtype=5;sz=10x10;ord=499118142766267.75?"></SCRIPT>
<!-- Zone Tag : SPH In-Text --><SCRIPT type=text/javascript src="http://cdn.innity.com/network.js"></SCRIPT> http://www.asia1.com.sg/<SCRIPT type=text/javascript src="http://as.innity.com/synd/69cb3ea317a32c4e6143e665fdb20b14/4564/js/**/**/NEWS/1276772113981"></SCRIPT></TD></TR></TBODY></TABLE>The heavy build-up of debris partially trapped in the culvert caused the rainwater to be diverted into only one section of the canal which resulted in rainwater overflowing onto Orchard Road.
The PUB also said that it had already put in place a comprehensive system comprising litter traps, regular inspections and maintenance of drainage system to ensure that our drains remain clear and free-flowing.
Contractors to check and clear debris from the drains after every storm.
Arising from this incident, the frequency of maintenance inspections of critical closed drains will be stepped up from quarterly to monthly.
More litter traps in the open sections of drains will be installed to trap debris carried into the drains during a downpour.
In addition, more water level sensors will be installed along Stamford Canal to enable closer monitoring of unusual peaks and dips in water levels and to enhance investigations.
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The PUB said in the statement that it conducted a thorough investigation into the cause of the floods in Orchard Road yesterday. This included a hydraulic analysis and thorough physical checks of the drainage system for Stamford Canal.
Investigations revealed that the flood was most likely caused by the short and intense rain which peaked twice on the morning of 16 June 2010 at about 9.30am and 10.30am that washed debris into a culvert near Delfi Orchard.
The culvert diverts water from Nassim and Cuscaden Road into two sections of Stamford Canal which runs along Orchard Road.
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The PUB also said that it had already put in place a comprehensive system comprising litter traps, regular inspections and maintenance of drainage system to ensure that our drains remain clear and free-flowing.
Contractors to check and clear debris from the drains after every storm.
Arising from this incident, the frequency of maintenance inspections of critical closed drains will be stepped up from quarterly to monthly.
More litter traps in the open sections of drains will be installed to trap debris carried into the drains during a downpour.
In addition, more water level sensors will be installed along Stamford Canal to enable closer monitoring of unusual peaks and dips in water levels and to enhance investigations.
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