Welcome toCentexExcavation

Working Safely Around Heavy Equipment

A practical jobsite guide to working safely around heavy equipment: understanding blind spots, using spotters and hand signals, wearing the right high-visibility apparel, keeping workers out of the swing radius, and following OSHA rules for crews on foot.

Digging Post Holes for Decks and Fences

A practical guide to digging post holes for decks and fences: how deep and wide to dig, frost line and frost heave rules, choosing an auger or hand digger, gravel base and concrete, and setting posts that stay plumb.

Trenching for Underground Electrical Lines

A practical guide to trenching for underground electrical lines: NEC 300.5 cover depths by wiring method, the residential GFCI exception, warning ribbon and backfill rules, riser protection, and how to dig a code-compliant trench.

How Much Does Heavy Equipment Cost Per Hour?

A contractor's guide to heavy equipment cost per hour: how ownership and operating costs combine, how to calculate depreciation, fuel, maintenance and repair reserves, a worked example, and why utilization decides what an hour really costs.

Excavator Undercarriage Wear and Maintenance

A practical guide to excavator undercarriage wear and maintenance: the eight wear points to measure, track tension and sag specs, component replacement thresholds, operating habits that accelerate wear, and how to plan parts swaps before a full track group rebuild.

How to Set Grade

A field guide to setting grade: how contractors use a benchmark, height of instrument, grade rod, and cut and fill stakes, plus blue tops, laser levels, slope math, and the checks that keep finished elevations accurate.