Sitework

Grading and drainage, engineered for the pour that follows.

Bison DB Group plans and executes commercial sitework with the next discipline in mind — pads ready for footings, subgrade ready for paving, drainage ready for inspection.

Site Grading & Pads

Engineered cut/fill, building pads, parking-lot subgrade, and final grade for paving.

Stormwater Drainage

Inlets, storm pipe, swales, and conveyance built to civil drawings and jurisdictional standards.

Detention & Retention

Detention ponds, underground storage coordination, and outlet structures.

Erosion Control & SWPPP

Silt fence, inlet protection, stabilized entries, and SWPPP-compliant phasing.

Start a Project

Bring us your plans. We'll bring the execution.

Upload drawings, share a scope, or request a consultation. Our team responds to commercial bid requests within one business day.

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