IKEA CHARLOTTE RHC HVAC IMPROVEMENT - WIEGMANN & ASSOCIATES INC. WILL INSTALL THIRTEEN (13) AIR HANDLING UNITS (AHUs) THAT WILL REPLACE THE EXISTING ROOFTOP UNITS (RTUs) AT IKEA-CHARLOTTE. AHUs ARE TO BE LOCATED AROUND THE BUILDING TO UTILIZE EXISTING RTU CURBS AND DUCTWORK. NEW DUCTWORK WILL BE INSTALLED THROUGHOUT THE BUILDING AS NECESSARY FOR A FULL AND COMPLETE WORKING SYSTEM. A NEW EXTERIOR CENTRAL UTILITY BUILDING (CUB) WILL BE BUILT TO HOUSE TWO (2) WATER COOLED CHILLERS, (2) ELECTRIC BOILERS, CHILLED WATER AND CONDENSER WATER PUMPS, AND CHILLED WATER ACCESSORIES. A COOLING TOWER WILL BE LOCATED OUTSIDE NEXT TO THE CUB. A NEW CHILLED WATER PIPING SYSTEM WILL BE INSTALLED THROUGHOUT THE STORE BETWEEN THE CUB AND THE NEW AHUs.