Welcome toCentexExcavation

Diesel Aftertreatment and DEF

A plain-English guide to Tier 4 Final aftertreatment on heavy equipment: what DEF is, how SCR and DPF work, regeneration, storage and quality rules, and how to avoid derates.

Sediment Basins and Sediment Traps

How sediment basins and sediment traps are sized, shaped, and built, plus the outlet and dewatering choices, spillway requirements, and cleanout rules that keep muddy water on site.

Rock Excavation Methods

A practical guide to rock excavation: how rippability is assessed and how ripping, hydraulic breakers, non-explosive splitting, and drilling and blasting compare on cost, speed, and site constraints.

Expansive Clay Soil and Foundations

How expansive clay shrinks, swells, and moves foundations - plus how PI and expansion testing identify it and how grading, drainage, and stabilization control the damage.

Building a Farm Pond

A field guide to building a farm pond that actually holds water, from soil testing and the core trench to a compacted dam, clay lining, and properly sized spillways.

Backfilling a Utility Trench

How to backfill a utility trench the right way: bedding, haunching, lift thickness, compaction, and the mistakes that make trenches settle.