Improvement of aging water pipes

Of the drop-in pipes from the water pipes on the road to the home, the aging water supply system (aging water supply pipe) up to the water meter is earthquake-resistant at the expense of Water Works Bureau based on the application from the owner of the water supply equipment. Improve the water supply pipe (stainless steel pipe).
About aging water pipe improvement work in road-expansion such as target range ... (PDF: 573KB)

Water pipes with a diameter of 50 mm or less, refers to water pipes other than the pipe types listed in the following items.

1. Tube hard vinyl chloride lining steel pipes (SGP-VB) laid since 1975
2. Water Polyethylene double-layer tubes (PP)
3. Water wavy stainless steel pipe (CSSP-SUS316)
4. Stainless steel pipe for water supply (SSP-SUS 316)
5. Impact hard polyvinyl chloride tubes (HIVP)
6. Ductile cast iron pipe

The construction range of the improvement work is from the branch of the distribution pipe to the water meter.
However, in principle, parts laid in parallel to the road are excluded.

1. There must be no structure or any other improvement work performed by the administrator.
2. The permission of the road manager and other related organizations must be obtained for the construction of the improvement work.

Even if the applicable conditions are met, if the owner of the water supply pipe is a national or local government, it will not be applicable.

It will take about 5 to 6 months to start construction.
※Please note that construction is being carried out sequentially according to the order of application, and it may take 6 months or more depending on the administrative district and time of construction.

1. Aging water pipe improvement construction application (word: 25KB) / application form (PDF: 116KB)
2. Written pledge (word: 20KB) / Pledge (PDF: 45KB) concerning consent from interested parties, such as land use consent and branch consent accompanying the aging water pipe improvement work
3. Land use consent form, branch consent form (PDF: 84KB)

From Tuesday, July 1, 2014

City of Yokohama, Water Works Bureau Water Supply Works Reception Center
Click here for details on location and Phone number.