Critical Standby Power Generation Facility

Design Highlights Two 1.5 megawatt diesel engine powered generator sets 1100 KVA UPS system with 2N redundancy and 30 minutes of runtime Below grade conditioned and ventilated battery rooms Service lift for loading and unloading batteries Zoned dry-pipe sprinkler system 15,000 gallon underground, double wall spill containment fiberglass diesel fuel storage tank Redundant fuel transfer…

IDB Generator Replacement

New 1250kW diesel generator on the roof of a 13 story building in downtown Washington, DCLife safety generator replacement with increased capacity for additional loadsEmergency lighting upgrade on 13 floors of a fully occupied buildingFire pump controller replacement with a combination fire pump/ ATSPDU replacement in the operational data center with minimal outagesFuel storage and fueling…

Fire Alarm System Replacement at The Washington Post

Fire alarm system replacement for 10 story high riseCode updateMulti-phased constructionNew fire alarm control roomAddressable fire alarm risers Fire Alarm System EngineeringTechnical Project ManagementPhasing Development & PlanningBid ReviewContractor Interview & SelectionConstruction Phase Support  ” We knew from the beginning that WNA was different than most other firms.  Their level of detail, commitment to quality, professionalism  and…

Mockingbird Station Phase 2

High-efficiency water cooled centrifugal chillerCondenser water and chilled water pumps with VFD’sA complete new chilled water plant to replace the existing direct expansion cooling plantExisting variable pitch vane-axial fans converted to variable speed fansNew re-designed duct elbow made out of 16 gauge galvanized sheet metal with dual splitter vanesA new motor control center Mechanical, Electrical,…

Mockingbird Station Phase 1

All work performed in an operational facilityOptimized and replaced the cooling tower with a dual-cell cooling tower to provide redundancyCarbon fiber & epoxy reinforced parking garage structureCondenser water filtration system100% outside air unit with an energy recovery heat wheelCustom architectural security fence Project ManagementConsultant interviews and selectionMechanical, Electrical, & Plumbing EngineeringEquipment Pre-PurchasingContractor Interview & SelectionBid…