About sewer self-financing construction

It is construction that person except public sewer manager performs construction about sewer facilities on public roads at own expense after receiving approval of public sewer manager.
For example, if three houses are built where one existing house was built and sold, three mounting pipes will be required, but in most cases, two of them will be self-financing (new construction), and one will be existing Use the mounting pipe. If you change the position of the existing mounting pipe due to the layout of the building, this will also be your own expense (removal / new construction).

Please select the construction of your own construction from a contractor (industry: civil engineering business) that has been licensed by the Construction Business Law. But about installation pipe construction, we can choose from drainage designation construction shop which the mayor of the sewer regulations Article 32 appointed.

(Refer to Article 16 of the Sewerage Law, Article 16 and Article 27 of the Yokohama City Sewerage Ordinance)

You must submit an application for approval of construction of sewerage facilities to each Public Works Office before construction, and obtain approval from The Mayor of Yokohama, the public sewerage administrator.
Application forms are distributed at each Public Works Office and other locations. Please contact Public Works Office for more information about required documents.

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

１．Guide map (copy of house map, etc.)

２．Layout diagram (with the exterior shape of the building and the position of the mounting pipe)

３．Floor plan (The extension of the mounting pipe is entered from the inside of the basin to the center of the main pipe. No. 1 decimal point (in meters)
Refer to the installation pipe laying diagram of Yokohama City Sewerage Design Standard Map (tube edition)

４．Longitudinal drawing (The extension of the mounting pipe is entered from the inside of the basin to the center of the main pipe.) No. 1 decimal point (in meters)
Refer to the installation pipe laying diagram of Yokohama City Sewerage Design Standard Map (tube edition)

５．Excavation cross section (commensurate with the pavement type at the location) Please check at Public Works Office.)

６．A copy of the drainage equipment plan confirmation application (a set of duplicates with confirmation marks).

Those who have received a letter of approval from Public Works Office must submit the construction of sewerage facilities to Public Works Office along with the schedule and permission to use roads to registration form.

When we are going to extend construction period for unavoidable reason, we must submit construction period extension registration form such as construction of public sewer facility to the mayor with schedule. (Yokohama City Sewerage Ordinance, Article 17, Paragraph 5)

The "unavoidable reason" herein may, in principle, be as follows.

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

When we change construction periods for unavoidable reason 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 to the mayor. Please consult with Public Works Office etc. for necessary drawings.

The handling when we are going to change facility contents at the time of application for approval is as follows in principle. However, please consult with Public Works Office in advance about minor changes.

The applicant must submit the completed registration form to the competent Public Works Office as soon as the completion of the construction of public sewerage facilities.
The following documents (1 to 5) are usually attached to the mounting pipe.

1. Guide map
2. Ledger offset
   Page of public sewer ledger figure information "daichan map" (outside site)
3. Floor plan (The extension of the mounting pipe is entered from the inside of the basin to the center of the main pipe. No. 1 decimal point (in meters)
4. Longitudinal drawing (The extension of the mounting pipe is entered from the inside of the basin to the center of the main pipe.) No. 1 decimal point (in meters)
5. Photographs of construction

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 the completion inspection, a certificate of completion inspection (with the mayor's seal or Public Works Office's seal stamped) will be issued to the applicant. Will be