Special Specifications, Implementation Guidelines, Special Notes

1-1Special specifications for construction methods, etc. (February 20, 2023) (PDF: 62KB)　
　　Special specifications concerning construction methods, etc. (until February 19, 2023) (PDF: 55KB)
1-2Special Specifications for Environmental Improvement of Site Environment (PDF: 110KB)
1-3Special Specifications for Electronic Delivery (PDF: 17KB)
1-4 Special Specifications for One-Day Response (Internal Link)
1-5Construction of the entire jurisdiction Special specifications (word: 18KB)
1-6Special specifications (PDF: 136KB) concerning boundary mark and public control points associated with construction
　　Reference materials (PDF: 999KB) of "Special Specifications on Boundary Marks and Public Control Points for Construction"
1-7Special Specifications for the Stage Inspection System (PDF: 85KB)
1-8Special Specifications for Safety Management Designated Construction Work (PDF: 101KB)
1-9 Bridge Painting Repainting Works Special Specifications (Internal Link)
1-10 Special specifications (internal link) for preparation of bridge repair resume record
　　Special specifications (internal link) concerning the preparation of repair resumes such as bridges and tunnels
1-11 Paste Repainting Works Special Specifications (Internal Link)
1-12 Electrical Equipment Construction Special Specifications (Internal Link)
1-13 Road Lighting Construction Special Specifications (Internal Link)
1-14 Special specifications (internal link) on the production and installation work of road studs (self-luminous type)
1-15Special specifications for ensuring the quality of civil engineering concrete structures (February 20, 2023) (PDF: 71KB)
　　Special Specifications for ensuring the quality of civil engineering concrete structures (until February 19, 2023) (PDF: 68KB)
　　（Image diagram of nameplate to be installed on important concrete structures (PDF: 226KB)）
1-16Special specifications for twist resistance improvement type drainage mixture (PDF: 79KB)
1-17Special Specifications for post-contract VE method (PDF: 185KB)
1-18Special Specifications for Intermediate Technical Inspection (PDF: 46KB)
1-19 Special Specifications for Water-holding Pavement (internal link)
1-20 Special Specifications for thermal shielding pavement (internal link)
1-21 Special Specifications (internal link) for top coats of drainage pavement
1-22 Special specifications (internal link) for molten injection-type road surface color pavement
1-23 Special Specifications (internal link) for pasting road marking sheet
1-24 Special Specifications (internal link) for road greening work
1-25 Specifications (internal link)
1-26Special Specifications for Damage Compensation Services (PDF: 260KB)
　　Special specifications for river construction, etc. (until March 31, 2023) (PDF: 271KB)
　　Special specifications for river construction, etc. (From April 1, 2023) (Internal link)
　　Special Specifications concerning the safety of construction work for torrential rainfalls (until March 31, 2023) (PDF: 143KB) (Internal link)
　　Special Specifications concerning the safety of construction work for torrential rainfalls (from April 1, 2023) (internal link)
1-27Special specifications (PDF: 60KB) for estimation of work completed in less than one day (PDF: 60KB)
1-28Special specifications for digitization of small blackboard information in digital construction photos (PDF: 78KB)
1-29 Special Specifications (internal link) for installation of comfortable toilets

2-1Stage inspection system (temporary construction, etc.) Implementation Guidelines (PDF: 77KB)
2-2Site-generated roadbed materials (old roadbed materials) Recycling Implementation Guidelines (PDF: 50KB)
2-3Guidelines for Survey Implementation of Cractures in Concrete Structures (PDF: 204KB)
2-4 Implementation Guidelines for Road Construction and Private Use Work (Standards for Security Facilities) (Internal Link)

3-1Special Specifications for civil engineering design work (PDF: 1,675KB)
3-2Surveying Business Special Specifications (PDF: 274KB)
3-3Specifications for Surveying Measurements (PDF: 46KB)
3-4 Boundary Survey and Surveying Consignment Specifications (Internal Link)
3-5Special Specifications for Electronic Delivery (City of Yokohama, Road and Highway Bureau) (PDF: 106KB)
3-6Progress Report on Progress of Contract Services (Excel: 28KB)

4-1 Special Notes for Handling Personal Information (Internal Link)
※In construction, the contractor shall be replaced with the “orderer” and the trustee shall be replaced with the “contractor”.
4-2Special notes on handling contracts for computer processing, etc. (From April 1, 2023) (PDF: 250KB)
Special instructions for handling information concerning contracts for computer processing, etc. (until March 31, 2023) (PDF: 261KB)