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30-Nov-11 12:00 PM CST

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Hydro Excavation Services Case Study: CenterPoint Pole Hole Excavation & Back-Fill

T-Rex Services was contracted to provide hydro excavation services in order to non-destructively dig a utility pole hole in an area that had been marked to contain fiber optic lines.

Location: The 18” diameter x 7.5’ deep pole hole excavation was located in Houston, TX at West 18th Street East of Ella. The location was near a strip center allowing the crew to park and work in the parking lot, keeping the street free for passing traffic.

Execution: T-Rex had a scheduling conflict with CenterPoint’s preferred date, however, we did have availability the same day the call was made. As a supplement to hydro excavation services, CenterPoint requested T-Rex provide back-fill services which is a line item in our contract with CenterPoint. T-Rex used limestone base back-fill material as opposed to bank sand to prevent eventual leaning of the pole. Crews at the Bellaire Service center regularly request backfill services as they believe that the limestone base is more cost effective than the expanding foam and can prevent problems (with foam balls being attached to the pole) should the it ever need to be removed. When T-Rex excavated the pole hole, two unknown and unmarked lines were located. The lines were presumed to be gas lines, therefore T-Rex moved the pole hole toward the street attempting to best keep it in-line with the other already erected poles.

Pole Hole Excavation & Back-Fill | Excavation Case Study

T-Rex covered the hole with a pallet, staked and barricaded the hole so that it could “sit” until the CenterPoint crew arrived the next day to set the pole.

Results: The pole hole was excavated the same day the request was made. Thus, the job was completed within a minimum charge, saving CenterPoint time and money.

About T-Rex Services

T-Rex was founded with a vision that Hydro Excavation Services truly help companies, governmental agencies and contractors save money and more importantly – improve safety. Our expertise spans multiple industry sectors including Oil & Gas, Petrochemical, Chemical, Pipeline, Municipal, Utilities, Construction, Engineering, Transportation, Telecommunications and Environmental.

Through each project, T- Rex is committed to exceeding our client’s highest expectations – fully understanding timelines, safety requirements, budget constraints and overall objectives.