Atlanta - HVAC & DC Power Upgrades

Taylor Leigh Construction modified the existing infrastructure of a multi-floor data center located in downtown Atlanta, Georgia. Taylor Leigh Construction removed the existing heat rejection system and installed new rooftop dry coolers, installed new lightning protection system, new glycol supply and return pipe loop, converted existing air handlers to glycol, installed new air conditioning units and ductwork, upgraded the existing electrical systems to accommodate new equipment, installed new DC Power Plant, removed the existing Vortex DC Plant, modified the existing preaction fire suppression system, removed the existing FM-200 system and modified the existing fire alarm system.

To meet the new power requirements, Taylor Leigh Construction installed and commissioned one (1) Marconi 1231H1 Main Power Distribution Bay (MPDB), one (1) Marconi Supplementary Power Distribution Bay (SPDB), eight (8) Marconi 400 amp RL400E50 48VDC Rectifiers, three (3) Bolt Switch 2000A, 2P, 600VDC fused disconnects to existing battery strings, –48VDC power cable, racking, stanchion poles, hardware, etc. Taylor Leigh Construction cut over existing BDFB’s and DEX PDF’s to new power plant and removed existing Vortex DC Plant, distribution bays and associated cabling.

To meet the new cooling requirements, Taylor Leigh Construction removed the existing condenser units located in a lower level parking garage and replaced them with four (4) Liebert DNT-1820A Dry Coolers and one (1) Liebert D40 1NT Triple Pump Package with enclosure and control panel. Taylor Leigh Construction installed a new glycol supply and return pipe loop from street level to the roof, converted existing air handlers to glycol, installed two (2) Liebert DH240G down flow units, two (2) Liebert DH265G down flow units, two (2) Liebert VH192G up flow units and associated ductwork, and three (3) Liebert RAC 2-8 monitoring panels. Eleven (11) glycol conversion kits were installed to convert the existing air handler units to glycol.