- ENGINEERING INFO
- CASE STUDIES
With miles of white sand beaches, Panama City Beach, FL draws a continuous flow of visitors year round. The City has over 13,500 permanent residents, with an additional 25,000 people coming to the area on an average day to vacation, recreate, and work. The increasing influx of people into Panama City Beach has created a need for infrastructure improvements, including roads, bridges, and water and sewer utilities. One such expansion project, the Grand Lagoon Bridge Replacement, required relocation and replacement of many of the utilities including water lines, gas lines, and sanitary and storm sewers.
Preble-Rish, Inc., of Panama City, provided engineering design, permitting, and construction administration services for the Grand Lagoon Utility Replacement Project. The design of the water mains and sanitary sewer force main included a total of 31 horizontal directional drill (HDD) sections. Lengths for the HDD sections varied from 50 LF road crossings to a 1,100 LF sub-aqueous crossing of Grand Lagoon. Design specifications for the project allowed either Fusible PVC® pipe or HDPE for the HDD sections of the project. Open-cut sections were specified with bell-and-spigot PVC pipe. Chris Forehand, P.E., Project Engineer with Preble- Rish, Inc., commented, "Fusible PVC® pipe and bell-and-spigot PVC have the same Hydrostatic Design Basis (HDB), which eliminates the need to upsize the pipe to maintain flow area and pressure rating."
C.W. Roberts Contracting, Inc. was the general contractor on the project, with a majority of the utility work subcontracted to GAC Contractors. Hilton Cooper Contracting, Inc. and C&B Directional were the HDD subcontractors that performed the directional drills and installed the Fusible PVC® pipe. The longest HDD section on the project was a 1,100 LF 16" DR18 crossing of Grand Lagoon. Layout limitations on the lagoon crossing required two intermediate fusions during the pull-in. Work was completed in summer 2010.