401 — MAINTAINING EXISTING BRIDGE DECK DURING LIFE OF CONTRACT CATEGORY 400 STRUCTURES SECTION 401 — MAINTAINING EXISTING BRIDGE DECK DURING LIFE OF CONTRACT
401.01 Description
Patch the existing bridge deck as required for maintenance of traffic.
401.02 Materials
Rapid Hardening Cementitious Material for Concrete Pavement Repairs 902.14 Select patching material from the prequalified list of rapid hardening cementitious materials maintained by the Office of Materials Technology.
401.03 Construction
Periodically evaluate the existing deck with the Engineer to determine if any patching is necessary. Patch all holes over 1 in. deep having an area greater than 2 ft
2.Locations and limits of all patch areas shall be as approved. The Traffic Manager shall confer with the Engineer before patching begins to decide on a plan for diverting or detouring traffic. Meet all traffic safety and traffic control requirements. Areas requiring patching shall be clean and free of loose material and conform to the manufacturer’s recommendations. Protect waterways and roadways under the structure from falling debris. Do not dispose of removed material in waterways. Place patching material to the top of the existing bridge deck surfaces. Furnish and install new reinforcement when directed. When opening to traffic prior to the patch achieving sufficient strength, cover the patch with steel plates as specified in 522.03.13. Build up areas around the plates with asphalt material. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS
Source: Maryland Standard Specifications for Construction and Materials, 2025 Edition. Pages 381–380 of 1,113.