Welcome toCentexExcavation

Dewatering an Excavation

How contractors dewater an excavation - sump pumping, wellpoints, deep wells, and diversion ditching, OSHA's water-accumulation rules, protecting slopes and neighboring structures, and treating discharge before it leaves the site.

Excavating for a Septic System

What excavating for a septic system really involves: soil evaluations and permits, digging the tank hole, drain field trench depths and widths, gravel and pipe placement, the right equipment, and protecting the soil that treats the wastewater.

When Is Trench Protection Required?

When is trench protection required? OSHA's rules for excavations: protective systems at 5 feet, soil types A, B, and C slope limits, shoring and trench box requirements, and the 20-foot engineered design threshold.

How Contractors Demolish a House

How contractors demolish a house, step by step: permits, utility disconnects, asbestos inspection, the engineering survey, the excavator demolition sequence, debris recycling, and backfill to final grade.

How Much Does Land Clearing Cost?

How much does land clearing cost per acre? Typical ranges for light brush, wooded lots, and heavy timber — and what stump removal, debris disposal, and grading add to the bill.

How Much Slope Does a Yard Need for Drainage?

How much slope does a yard need for drainage? The IRC requires 6 inches of fall in the first 10 feet from the foundation, with 2% minimums for lawns and paving — here is how to measure your yard's grade and fix negative drainage.