CONSTRUCTION METHOD FOR SIMULTANEOUSLY EXECUTING DIVIDING OF SEWER SYSTEM AND UNDERGROUNDING OF ELECTRIC WIRES, ELECTRIC WIRE COMMON DITCH, AND CATCHMENT BASIN

Japanese Patent JP2022013483

A

To provide measures against environmental pollution in which on a residential road, a combined sewer system is improved into a shunt type sewer system, costs and construction period of temporary construction or transfer construction of existing water pipes, gas pipes or sewer pipes generated when power lines or communication lines on electric poles are buried in a ground are reduced, a step between a private land and an existing rainwater conduit such as an L-shaped side ditch located at the side of the road is eliminated (barrier-free), the road is improved into a road easy to walk such that a puddle of water is not formed at the side of the road even after heavy rain, the number of catchment basins is reduced by decreasing complexity generated when the combined sewer system is divided into two systems of rainwater and soil water, and efficiency of sludge cleaning is improved.SOLUTION: A convex cross section of a general road with a high center of a road surface is remodeled into a concave cross section with a low center of the road surface, a rainwater conduit of a combined sewer system located at the side of a road is removed, an electric wire common ditch is installed at the removed location, a rainwater conduit of a shunt-type sewer system is newly installed in the center of the remodeled road, and a catchment basin of the newly-installed rainwater conduit is installed in an upper space of a sewage manhole of the shunt-type sewer system.SELECTED DRAWING: Figure 1

KIHARA JIRO

JP2020125806A

January 18, 2022

June 29, 2020

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KIHARA JIRO

E03F3/04; E03F5/10; H02G1/06; H02G9/06

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