Sewer Inlet Repair Replacement

Sewer Inlets can be repaired and replaced  with a new MSD approved concrete frames utilizing existing grates when possible. It the metal grates are bent or broken, they will be replaced along with the new sewer inlet. St Louis sewer inlets  come in standard two, three and four grate sizes with standard 15" x 30" grates.

Excavate around sewer inlet

First we have to excavate around the sewer inlet using a milling machine to grind down the asphalt on all four sides. The concrete frame is approximately 12" inches thick with an other edge which is paved over once the inlet is set in place. The sewer inlet also has a metal channel from in which the grates rest on.

Jackhammer around sewer inlet

One we have finished mill around the inlet, we have to jackhammer around the concrete border to loosen the sewer for removal. A skid loader is then used to remove the old sewer inlet form the existing manhole. If the manhole is damaged we will repair the bricks or concrete before resetting the new inlet.

Clean Up

Preparing the manhole for the new sewer inlet for a perfect fit, also includes going into the sewer and removing any debris which may have fallen into the main line which can be seen on the video below.

New Sewer Inlet

Standard sewer inlets come in four sizes, single, double triple and four grate inlet stones. Double grate inlets are most common in parking lots around St Louis using two separate 30 x 15 grates made of either cast iron or galvanized steel. This inlet seen here is a triple grate stone replace at a Fed-X Air facility in St. Louis.

Asphalt Repairs

After the new sewer inlet is set in place asphalt repairs is the final step of completion for a long term parking lot drainage solution. Ensuring a proper grade and a flush transition from the old asphalt to the new asphalt  is critical for proper water flow.

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