| 摘要 |
PROBLEM TO BE SOLVED: To provide a street infiltration manhole capable of preventing the filter thereof from being clogged by crushed stones and mud, maintaining rainwater infiltration function over a long period, and easily removing and discharging the crushed stones and mud. SOLUTION: In this street infiltration manhole 1 having the filter 7 at the bottom part thereof, a basket body 11 having a large number of water permeable holes 12 formed in all the periphery of its side face is disposed at the roughly center portion of the manhole over the filter, and the outer periphery of the basket body formed of split bodies and closed at its upper surface is supported by a positioning member 14. COPYRIGHT: (C)2006,JPO&NCIPI
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