Pipe Type | Problem Noted | Acceptable Repair Methods |
| Steel-Reinforced Concrete Pipe | 1. Cracks | 1. Seal cracks using pressurized injection an approved chemical grout of either acrylamide base gel, acrylic base gel, urethane base gel or urethane base flow |
| * Cracks that are 0.01 inches or greater in width and 12 inches or greater in length (ASTM C76) must be repaired or assessed by a Specialty engineer who can evaluate structural integrity, environmental conditions and the design service life of the culvert (AASHTO LRFD Chp. 27). | | 2. Pipe lining with materials and methods found in Section 431 of the Department's Standards Specifications |
| | | 3. Mechanical Repair Sleeve |
| | 2. Spalling | Spalling will be remediated by cleaning and removing any loose materials, if possible, and then applying a Portland cement grout or rapid setting mortar cement or grout or epoxy resin to the affected area. |
| | | |
| | 3. Leaking Joints | 1. Pipe lining with materials and methods found in Section 431 of the Department's Standards Specifications |
| | | 2. Internal Joint seals |
| | | 3. Pressure injection of an acceptable chemical grout. |
| Return to Selection Page | | 4. Concrete collars in accordance with Index 430-001 of the Department's Design Standards. |
| | | 5. Mechanical Repair Sleeve |
