AI visualization01
Structure prepared
The structure is cleared, the pipe openings are visible, and the flow path can be laid out against the project conditions.
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AI visualizationConcrete invert work.
Gregorios forms and pours concrete inverts inside storm and sewer structures for contractors and professional project teams.
Discuss the projectThe invert, in three stages.
Illustrative AI-generated sequence, not photographs of a completed Gregorios project. Project plans and field conditions govern the actual profile.
AI visualization
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During shaping
The channel and benches are formed by hand so the transitions meet the incoming and outgoing pipes cleanly.
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Finished channel
The finished profile leaves a continuous, defined route through the structure for the system it serves.
Bring the project context.
Three things make the first call useful.
01
System and location
The structure the invert sits in, and where the project is.
02
Stage and schedule
Where the project is now and the schedule already attached to it.
03
Plans and access
What drawings exist and how the work area is reached.
Discuss project fit.
Call or email with the project location, stage, plans and access details. Residential project requests can use the estimate form.