Self-financed construction

It is construction that person except public sewer manager performs construction about sewer facility on public roads after having received approval of public sewer manager at expense.
For example, a new residential land is created with a separate brush, etc., and a new installation pipe is required when a built-for sale is built. In this case, the mounting pipe will be installed by self-financing construction (new construction). In addition, if the position of the existing mounting pipe due to the layout of the building, it will be self-financing construction (removal / new construction).

Please select the self-financing construction from the contractors (industry type: civil engineering work business) that has been licensed by the Construction Business Law. But, about installation pipe construction, we can choose from drainage facilities designation construction shop which the mayor of sewer regulations Article 32 appointed.

When carrying out self-financing work, you must submit an application for approval of the construction of sewerage facilities to the Public Works Office before the construction and obtain approval from The Mayor of Yokohama, the public sewer administrator.

Application forms are distributed at Public Works Office and others. For more information about required documents, please contact Public Works Office.

The following documents (1-6) are usually attached to the mounting pipe. (Please contact us for more information.)

1. Guide map (copy of house map, etc.)
2. Layout drawing (a shape of the building and the position of the mounting pipe)
3. Floor plan (The extension of the mounting pipe is entered from the inner surface of the basin to the center of the main pipe. 1 decimal place (in meters)
   Refer to the standard drawing of mounting pipes in the Yokohama City Sewerage Bureau Design Standard Map
4. Longitudinal view (Extension of the mounting pipe is entered from the inner surface of the basin to the center of the main pipe. 1 decimal place (in meters)
   Refer to the standard drawing of mounting pipes in the Yokohama City Sewerage Bureau Design Standard Map
5. Excavation cross-section (appropriate to the pavement type at the relevant site)
6. A copy of the drainage facility plan confirmation application form (a copy set of duplicates with confirmation seal).

If drainage construction does not occur, or if the drainage contractor has not been decided due to development activities, etc., please contact Public Works Office for required documents.

If you have received a letter of approval from Public Works Office, start construction of sewerage facilities, etc., please submit it to Public Works Office along with a schedule to registration form.

When we are going to extend construction period for unavoidable reasons, we must submit construction period extension registration form such as public sewerage facility construction to the mayor with schedule. (Yokohama City Sewerage Ordinance, Article 17, Paragraph 5)
The term "unavoidable reason" here is, in principle, the following cases.

• When negotiations with local residents are difficult and construction is delayed.
• When construction is delayed due to relocation, cut, protection, etc. of underground buried objects, etc.
• When an unexpected accident occurs at the design stage of soft ground, spring water, etc., causes a change in the construction method, etc., and the construction is delayed.
• When construction is delayed due to natural disasters, land changes, etc.

When we change construction periods for unavoidable reasons or are going to change facility contents at the time of approval application, we must submit change registration form such as public sewer facility construction work to the mayor. For necessary drawings, please check with Public Works Office.
The handling when trying to change the facility contents at the time of approval application is as follows in principle. However, please consult with Public Works Office in advance for minor changes.

Applicants must submit the registration form completed construction of public sewerage facilities to the relevant Public Works Office immediately after the completion of the construction, and undergo a completion inspection.

Please attach the following documents (1-5) to the mounting pipe.

1. Guide map
2. Ledger offset diagram
3. Floor plan (The extension of the mounting pipe is entered from the inner surface of the basin to the center of the main pipe. 1 decimal place (in meters)
4. Longitudinal view (Extension of the mounting pipe is entered from the inner surface of the basin to the center of the main pipe. 1 decimal place (in meters)
5. Construction photo

If there is no defect in the contents of the self-financing construction (if it can be taken over as a facility in Yokohama City), after completion inspection, a certificate of completion inspection (the one with the mayor's seal or Public Works Office seal) to the applicant. To do.

Application form related to sewerage self-financing