Plumbing in your news Up Japan in a pinch?

water tube trouble across the country

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Japan Water Works Association has claimed 20000 views such plumbing problems in years across the country. Into this year, and on the Internet every day over Tokyo, Hokkaido and from "residential water pipes burst" or "cut with burst water pipes at home" and can often be found writing. Also last month on the 2nd water pipe had burst in Kanazawa City and submerged the road, last month on the 31st in Tsuruoka city, Yamagata Prefecture by leakage of water supply pipe collapse was.

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is leaking over the years, the Tokyo Dome is believed to amount to approximately 800 cups up to 150 billion yen. Because of these troubles is an aging water pipes. Quickly established by the high economic growth period in the pipe, now becomes the standard updates the statutory useful life 40 years reached together. It is causing the rupture of these pipes. Despite such as water pipes in the country reached approximately 80000 km, annual update speed is less than 1%. Is it takes 100 years to finish the replacement at this time. Why not go begins to interview aging throughout the water pipe replacement has been understood.

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, why not a replacement? Urban Affairs

, is expected to take nearly 10 years to replace all the pipes must replace antiquated

major cities, Osaka, and have about 700 kilometers. One reason why in big cities like Osaka been exchanged is the difficulty of construction. In large cities such as Osaka, other infrastructure, such as gas pipes, sewage pipes pipe has been built like meshes of a net beneath the ground. It is is another tube of these obstacles and the water mains replacement works started, slow construction. Another reason is population. Is limited and because the pipes are buried on the site of the replacement works of water pipes to cover the whole area of Osaka, Yodogawa-Ku, highway traffic, construction time is five hours at night too, take 4 years in the construction of approximately 600 m are expected.

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, why not a replacement? Local is local circumstances

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water pipe bursting prevention forward initiatives prevent the rupture of the pipe

and technology development are underway. A major problem is to prevent your machine can distinguish water leakage of water pipes in the ground in large cities such as Tokyo and Osaka, officials of the Bureau of waterworks like stethoscope with sound. By using this machine in Osaka so far was third worst leakage rate in cities water leakage rate is reduced to 6 percent from 9 percent. Water pipes with polyethylene can they changed

and water tube itself, would be almost double life so far more than 80 years, vinyl chloride, are new.

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home draw water problems.

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just problem is not limited only to big water pipe equivalent to executives such as trees. It is used the tube using a hanging pipe drawing water households in parts of the country and pointed out may cause damage to health hazards and to use zero in the early goal to lead the "plumbing". In Japan, while households using this plumbing in 18 prefectures in the statistics of Japan Water Works Association four years ago, more than 10 percent of more than 1,400 national waterworks operators in 200 too operators don't know the actual use of this plumbing,, not being removed. It is not afford so far for prioritizing water supply operators across the country, there is a risk that first burst water pipe replacement. I think water comes out as a matter of course you now that the faucet is twisted, but think about this issue every time.

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