National Oilwell Varco- Hydra-Rig

Location: Fort Worth, Texas

Hydra Rig selected design / build contractor Bob Moore Construction and Alliance Architects to add 113,800 SF of manufacturing space in two buildings on their current Fort Worth campus.

The 56,900 SF assembly building is a single-story manufacturing facility designed for the assembly of specialized semi trailers that carry large spools of coiled fracking water injection tubing and associated equipment. It features ten industrial ceiling cranes installed on its 40-foot ceiling that provide 100% coverage of the facility’s open work space. The building includes 21 bays, each large enough to park a full size trailer. The assembly building includes heavy-duty 8“ floors that are double-reinforced with rebar mats to support the large trailers. Along with the assembly bays, the building also includes finished offices and employee break areas.

The 56,900 SF injector / paint and blast building is split into the injector assembly area and a space for a large paint booth and bead blast booth. The single-story facility includes a shallow test well for testing the tubing injectors. As with the assembly building the injector / paint and blast building includes heavy-duty 8“ floors that are double-reinforced with rebar mats to support the large trailers. This manufacturing facility has two industrial ceiling cranes, and includes offices and employee break areas.

The Hydra Rig manufacturing facilities were built with tilt-up construction.

Prior to constructing the two manufacturing facilities Bob Moore Construction performed asbestos abatement on two older buildings and then demolished those buildings and a third overhad crane structure to make room.

The assembly building is an all-new structure, situated in place of an old building which was demolished during this project. For the injector building, one end of an existing structure was demolished and the new building was put in its place, then tied in to the rest of the existing building. Panels set to within 18” of the existing building.

The project presented several challenges, including the demolition of several older buildings. Existing power lines ran beneath the new building site, between two existing buildings. Before old building was demolished, power lines had to be rerouted around the site and transfers had to be relocated without interrupting power in either existing buildings.


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