InLine has experience in design of many large drainage structures. These structures include pump stations, box culverts, U-frame channels, warped wing walls, trash racks and slope protection.
Drainage structures are often below grade and can have substantial loadings and pressures applied. Design procedures vary and often require a 3-dimensional analysis be used for deep structures to insure the reinforcing steel is adequately placed.
Drainage structures are all essential for control of storm water and protection of property; the design criterion is often driven by reliability and maintenance. Each design should consider the equipment and procedures of the maintenance team to insure the system can be easily managed.
While Cal-Trans is the benchmark for design of these types of structures, site specific conditions usually requires modifications to their standard plans. Transitions between structures need to be detailed on the construction documents and should minimize the impact to the hydraulics of the system.
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