Confirmation of drainage equipment plan

Drainage pipes, sewage masu and rainwater that have been installed to drain sewage from kitchens, bathrooms, toilets, etc., and rainwater that has fallen in residential lands to the public sewers laid and managed by the city on roads, etc. Is called drainage equipment.
When constructing new drainage facilities, flushing toilets, abolishing human waste septic tanks, etc., submit an application for confirmation of a drainage system (renovation toilet remodeling) plan to Public Works Office in advance, and the plan will be based on the Sewerage Law and Yokohama City You must receive confirmation of the mayor that it conforms to laws and regulations about setting and structure of drainage facilities including the regulations, the regulations. (Yokohama City Sewerage Ordinance, Article 4)

Please see "About confirmation of drainage plan" (City of Yokohama, Environmental Planning Bureau page) for details such as procedure and application style.

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