Design and build of a new Helibase located in East San Diego County. This facility is used by the Forest Service and their forest fire fighting unit to house and operate their Erikson Air-Crane helicopter used to fight forest fires within the San Diego County area and beyond. The project included the construction of three structures, a 2,500 sq/ft operations building, a 1,680 sq/ft garage building and a 12,000 sq/ft hangar building, two helicopter landing pads, taxiways, parking, a water well and site fencing. All three structures were built to withstand forest fires and were constructed using pre-engineered metal buildings. The operations building included sleeping rooms for the pilots, a dayroom, ready room, operations room and offices and restrooms. The hangar building, used to house the helicopter, required a sophisticated deluge, pre-action fire suppression system, including fire alarms, controls, a diesel jockey pump and a 130,000 gallon water tank. The site required extensive grading and drainage systems.