Piney Flats Industrial Park
LOCATION: Sullivan County, TennesseeKEY PERSONNEL:
- Steve Bostic
- Rick Sinclair
- Stream Relocation Permitting
- Large "Footprint" Buildings on Steep Site
- Fire Pump Station & Storage Pond
- Additional Security Requirements
- Large Oil/Water Separators
LDA provided site civil and mechanical engineering services to Goins, Rash, Cain Architects for a 37 acre site development in Sullivan County, Tennessee. The site was being developed for Edwards & Associates for a helicopter repair and maintenance operation. The project included preparing grading, drainage, utility, and roadway plans for three major buildings that were 25,000, 26,500, and 80,000 square feet in size and various ancillary buildings on the site. Due to the footprints of the buildings and the steep site, extensive grading was required to develop the building pads. A blue line stream on the site was also relocated to provide the necessary space for one of the buildings. Relocation of the stream required extensive permitting through various state and federal agencies. One of the buildings, designed to be utilized for military contract work, required additional security measures.
Site utility designs included sanitary sewer lines and separate mains for domestic and fire protection purposes. Due to the high fire flow requirements, which were 4000 gallons per minute at 100 pounds per square inch pressure, a fire pump station was required and designed by LDA. The local water utility could not provide the required pressure and flow to the site. Since the water flow could not be provided to the site, a 500,000 gallon storage pond was designed and constructed on the site to feed the fire pump. Since the project was to be utilized for helicopter repair and maintenance, special “foam cannons” were installed inside a portion of the facility in place of a typical sprinkler system. The combination of the foaming agent and the potential for spilled aircraft fuel led to a requirement that drainage from this area be channeled to the sanitary sewer instead of the storm drainage system. Large oil/water separators were designed to intercept the flow of 4,000 gallons per minute from this area prior to it being discharged into the sanitary sewer system.
As a part of the stormwater drainage system design, other portions of the site were required to be channeled through oil/water separators prior to being discharged to the storm sewer system. Detention ponds were also designed and constructed to control runoff from the site. LDA also provided mechanical engineering services including building plumbing, HVAC, sprinkler system specification, and special ventilation systems for the maintenance and painting areas. Other services included assistance with bidding three separate packages and services during construction.