1.0.1 This Code is formulated with a view to strengthening the maintenance for urban road, keeping the functions of road facilities, standardizing the technical standards, improving the service level of urban road, ensuring the intactness and safe operation of road, as well as making the maintenance management for urban road more scientific, normalized and institutionalized.
1.0.2 This Code is applicable to the maintenance for urban road which is put into service after completion acceptance. Maintenance for bridge in urban road shall meet the requirements of the current national standard "Technical code of maintenance for city bridge" CJJ 99.
1.0.3 Maintenance for urban road shall not only comply with the requirements stipulated in this Code but also comply with those in the current relevant ones of the nation.
1 General Provisions
2 Symbols and Codes
2.1 Symbols
2.2 Codes
3 Basic Requirements
4 Road Detection, Evaluation and Maintenance Countermeasures
4.1 General Requirements
4.2 Regular Patrol
4.3 Periodic Detection
4.4 Special Detection
4.5 Pavement Technical Condition Evaluation
4.6 Pavement Maintenance Countermeasures
5 Subgrade Maintenance
5.1 General Requirements
5.2 Subgrade Frost Boiling
5.3 Road Shoulder
5.4 Side Slope
5.5 Retaining Wall
5.6 Side trench, Drainage Trench and Intercepting Drain
5.7 Special Soil Subgrade
6 Asphalt Pavement Maintenance
6.1 General Requirements
6.2 Maintenance for Common Damage
6.3 Upper Sealing for Pavement
6.4 Pavement Strengthening
7 Cement Concrete Pavement Maintenance
7.1 General Requirements
7.2 Pavement Routine Maintenance
7.3 Maintenance for Common Damage
7.4 Recapping and Pavement Improvement
8 Other Pavement Maintenance
8.1 Stone Block Pavement
8.2 Cement Concrete Blockwork Pavement
9 Footpath Maintenance
9.1 General Requirements
9.2 Surface Course Maintenance
9.3 Subgrade Maintenance
9.4 Curb Maintenance
9.5 Maintenance for Tree Grate and Foot Steps
10 Road Excavation and Restoration
10.1 General Requirements
10.2 Backfilling
10.3 Base Course Restoration
10.4 Pavement Restoration
11 Road auxiliary Facilities Maintenance
11.1 Lane Separator and Guardrail
11.2 Sign Board
11.3 Manhole and Gutter Inlet
11.4 Culvert
12 Maintenance Condition Evaluation
12.1 General Requirements
12.2 Demarcation of Disease and Defect
12.3 Survey Method for Maintenance Condition
12.4 Evaluation Indexes for Maintenance Conditions
12.5 Evaluation of Maintenance Condition
12.6 Inspection Records and Data Management
13 Maintenance Eengineering Inspection and Acceptance
13.1 General Requirements
13.2 Inspection and Acceptance of Maintenance Engineering for Bituminous Pavement
13.3 Inspection and Acceptance of Maintenance Engineering for Cement Concrete Pavement
13.4 Inspection and Acceptance of Maintenance Engineering For Footpath
13.5 Inspection and Acceptance of Maintenance Engineering For Other Pavements
13.6 Inspection and Acceptance of Road Excavation and Restoration
13.7 Inspection and Acceptance of Maintenance Engineering For Auxiliary Facilities of Roads
14 Safety Protection for Road Maintenance Work
14.1 General Requirements
14.2 Traffic Safety Precautions
14.3 Requirements of Mobile Road Maintaining
Appendix A Tables of Urban Road Patrolling
Appendix B Card of Urban Road Data
Appendix C Types Of Damage to Asphalt, Cement Concrete and Footpath Pavements
Appendix D Tables of Single-Item Deduction upon Damages to Asphalt, Cement Concrete and Footpath Pavements
Appendix E Survey Form of Damage to Asphalt, Cement Concrete and Footpath Pavements
Appendix F Weight Function Curve of Damage Evaluation
Appendix G PCI Calculation Methods for Asphalt and Cement Pavements
Appendix H Calculation Methods of Footpath Condition Index--FCI
Appendix J Annual Report on Facilities Classification
Appendix K Repairing Materials for Cement Concrete Pavement
Appendix L Form of Inspection Record for the Maintenance Condition of Urban Road
Explanation of Wording in This Code
