Solar Project Cost Report for the Loudoun County Vocational-Technical Education Center, Leesburg, Virginia

摘要

The solar energy system for the Loudoun County School in Leesburg, Virginia provides solar preheating of the domestic hot water supply for the Charles S. Monroe Vocational-Technical School. The system utilizes 34 double glazed, liquid, flat plate collectors in a ground mounted array with a total net area of 1169 square feet. A working fluid is circulated through a single wall heat exchanger in a 2056 gallon solar storage tank in the building mechanical room. On a demand for hot water and according to the system controls, water is circulated from this solar storage tank to a 1000 gallon hot water tank containing an electric immersion type auxiliary hot water heater. The actual as-built construction costs are presented. Category costs are listed by material, labor and subcontract cost. The installed cost of the system was $59,690 not including the overhead and profit of the mechanical subcontractor and the general and administrative expenses of the owner and his general contractor. (ERA citation 05:020426)