Special Specifications, Implementation Guidelines, Special Notes

・"Special Specifications for Pipe Construction of Clarpical Tape" has been revised. (November 2023)

Last update date November 14, 2023

Special Specifications, Implementation Guidelines, Special Notes
Number	Special Specifications, etc. Names	Downloading Special Specifications	Style download
1	Special specifications for the treatment of construction by-products and the use of recycled materials	PDF（PDF：75KB）
2	Special specifications concerning construction methods, etc.	PDF（PDF：55KB）
3	Special specifications for improving the site environment of water supply works	PDF（PDF：66KB）
4	Special specifications for safety management designated construction	PDF（PDF：93KB）
5	Special specifications for stage inspection systems (temporary construction, etc.)	PDF（PDF：88KB）	word (word: 31KB)
6	Special specifications concerning plumbing materials	PDF（PDF：225KB）
7	Special specifications for installation of small gate valve rooms and fire hydrant rooms	PDF（PDF：115KB）
8	Special specifications for corrosion-proof tape covering such as pipes	PDF（PDF：233KB）
9	Special specifications concerning pipe installation	PDF（PDF：175KB）
10	Special Specifications for laying of explicit sheets	PDF（PDF：84KB）
11	Special specifications for polyethylene sleeve construction	PDF（PDF：538KB）
12	Special specifications concerning polypic cleaning method	PDF（PDF：94KB）
13	Special specifications for water supply pipe replacement work using wavy stainless steel pipe	PDF（PDF：2,143KB）	word (word: 308KB)
14	Special Specifications for ensuring the quality of civil engineering concrete structures	PDF（PDF：248KB）
15	Implementation Guidelines for “Inspection of Concrete Structures”	PDF（PDF：147KB）	word (word: 42KB)
16	Implementation Guidelines for "Survey of Cractures in Concrete Structures"	PDF（PDF：131KB）	word (word: 36KB)
17	Special specification concerning implementation of the VE method after contracting	PDF（PDF：104KB）	word (word: 32KB)
18	Special specifications for intermediate technology inspection	PDF（PDF：71KB）
19	Special Specifications for electronic delivery	PDF（PDF：60KB）
20	Special specifications concerning the construction of batting board (Sand Herault John Measures)	PDF（PDF：127KB）
21	Special specifications for construction using GX-type ductile cast iron pipes	PDF（PDF：130KB）
22	Special specifications concerning construction using water supply branch short pipes	PDF（PDF：440KB）
23	Special Function Specifications for Estimation of Work to be completed in less than one day	PDF（PDF：84KB）
24	Special specifications for digitization of small blackboard information in digital construction photos	PDF（PDF：112KB）
25	Special specifications for pre-mounting work of water tap with saddle	PDF（PDF：136KB）
26	Special specifications concerning the use of construction by-product information exchange system (COBRIS)	PDF（PDF：132KB）
27	Special specifications for construction using non-interruption switch valve	PDF（PDF：154KB）
28	Special specifications for construction of Water Works Bureau	PDF（PDF：126KB）
29	Special Specifications for Damage Compensation	PDF（PDF：351KB）	word (word: 276KB)
30	Special specifications for water pipe freezing	PDF（PDF：85KB）
31	Material inspection guidelines	PDF（PDF：84KB）
32	Special Specifications for One-Day Response (Finance Bureau, Yokohama)	Internal link
33	Special specifications for comfortable toilets (Finance Bureau, Yokohama)	Internal link
34	Special Specifications for Color Painting (City of Yokohama, Road and Highway Bureau 1-24)	Internal link
35	Special specifications (City of Yokohama, Road and Highway Bureau 1-34) concerning boundary markers and public control points for construction	Internal link
36	Special notes on handling personal information (For contracts prior to March 31, 2023)	PDF（PDF：123KB）	word (word: 33KB)
36	Special notes on handling personal information (City of Yokohama, Civic Affairs Bureau) (In principle, contracts on or after April 1, Reiwa)	Internal link (5. Refer to Special Notes on Handling Personal Information)	Listed on the left side link

For inquiries regarding water supply, please contact the Water Works Bureau Customer Service Center.

Water Works Bureau Customer Service Center

Phone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.

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