Client: Texas Department of Transportation (TxDOT)

Location: Harris County, Texas

The Grand Parkway is a planned 180-mile new location loop around the Greater Houston metropolitan area. The total cost of this loop is estimated to be $3.7 billion.

OTHON prepared engineering and plans, specifications and estimate (PS&E) for the following design elements.

• Complex Highway and Retaining Wall Design;
• Cross Section and Earthwork Design;
• Utility Coordination and Design;
• Signing, Pavement Markings and Traffic Control Plans;
• Hydrology and Hydraulic Analysis and Design;
• Storm Water Pollution Prevention Plan and Permits;
• Construction Scheduling;
• Summary of Quantities and Construction Cost Estimates.

OTHON's Scope

• Roadway Design
• Retaining Wall Design
• Drainage Design
• Grading and Pave Design
• Utility Coordination
• Construction Sequencing
• Traffic Control
• Signing
• Pavement Marking
• Cost Estimates