DPW maps-out strategy to ease flooding in Tumon - KUAM.com-KUAM News: On Air. Online. On Demand.

DPW maps-out strategy to ease flooding in Tumon

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When it rains it pours, and oftentimes leads to flooding in the Pleasure Island area of Tumon. But that's something that the Department of Public Works is trying to mitigate.

According to DPW director Glenn Leon Guerrero, storm water, which collects on the roadway is supposed to enter the storm water drainage system. "It goes to the Fujita ponding basin and this last storm the Fujita ponding basin was full so its ability to take the whole purpose of the Fujita ponding basin is to collect the water and store it until it can percolate into the ground - nature's way of dealing with the storm water," he explained.

He says when there is a major storm it inundates Tumon with rain. This could cause the ponding basin to overflow into the street. Leon Guerrero says however there are initiatives to try to mitigate the flooding, telling KUAM News, "First of all there, is the HOT Bonds - one of the projects is to address the storm water flood mitigation for Tumon, especially around the Pleasure Island area. I think there is $11 million set aside for that."

The HOT Bond is under the administration of GEDA, which has contracted Stanley Engineering to conduct studies. "Those are the guys that are actually saying one of the options to deal with the water is to expand the ponding basin and have the outfall go out into the water into the bay," he explained. Leon Guerrero says DPW has designed the roadways to collect storm water and have worked with the Guam Visitors Bureau to clean out the storm water drains in Tumon. He adds robotic cameras have been used to take a look inside the storm drainage system and what they found presented a little problem.

"Last year we hired Maeda and their intention was to go in and if you will water blast extend a high-velocity water blaster into the storm systems and collect that at the end and basically clear out the piping when they did do that they found that the material in the pipes storm water pipe had calcified it was very hard," said Leon Guerrero.

The calcification had to be chipped away. Leon Guerrero says they contractor was not able to clean the pipes all the way to the Fujita ponding basin, instead only to the area of Sandcastle and The Hyatt. He says he is talking with GVB and hopes to continue the storm drainage cleaning project this month before rainy season hits full gear. As for the flooding situation in this video between two Tumon hotels, he says that is the responsibility of the hotels to mitigate and each development in the area is required to have a storm water drainage plan approved by the Guam Environmental Protection Agency.

The Guam EPA is investigating whether in fact any wrongdoing had occurred.  

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