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- Yokohama City Drainage Equipment Handbook
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Yokohama City Drainage Equipment Handbook
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- About underground drainage tank
- [From April 1, 2025] The water quality standards of the "Office Administration Guidelines for Exemption of Drainage Equipment Installation Obligation" and the "Office Administration Guidelines for Permission of Drainage Equipment Connection Special" will change.
- Partial revision of the administrative procedures related to the exemption of the obligation to install drainage equipment and the administrative procedures related to the permission of drainage equipment connection exceptions (result announcement)
- About partial revision of Yokohama-shi drainage designation construction shop rule and establishment of summary to establish styles such as application of Yokohama-shi drainage designation construction shop
- About partial revision of office work handling procedure about exemption of drainage installation duty and office work handling procedure about permission of drainage connection exception
- Suspicious visits pretending to be water supply and sewerage officials are increasing!
- About partial revision of Yokohama-shi sewer regulations enforcement regulations (result announcement)
- About partial revision of Yokohama-shi drainage designation construction shop rule (result announcement)
- About "private road measures contracted sewer construction" and "subsidy of joint drainage construction"
- About partial revision of Yokohama-shi sewer regulations enforcement regulations
- About partial revision of Yokohama-shi drainage designation construction shop rule
- Installation of grease straps
- Water-washing
- Information on the Rainwater Storage Tank Installation Subsidy Program
- About flushing work
- Yokohama City Drainage Equipment Designated Construction Shop System
- Yokohama City Drainage Equipment Designated Construction Shop
- About exemption of drainage installation obligation, permission of drainage connection exception
- Semi-underground buildings
- Please be aware of the Commercial Code of Inspection of Sewage and Drainage Equipment
- Installation of a disposer
- About installation pipe connection contract sewer construction
- About sewer self-financing construction
- Rainwater infiltration
- Yokohama City Drainage Equipment Handbook
- Plan confirmation of drainage facilities
- About partial revision of office work handling procedure about exemption of drainage installation duty and office work handling procedure about permission of drainage connection exception
- Partial revision of the administrative procedures related to the exemption of the obligation to install drainage equipment and the administrative procedures related to the permission of drainage equipment connection exceptions (result announcement)
Page ID: 146-499-543
