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NORWEST B-310 HVAC/HEAT LOAD STUDY WITH SYSTEM REPAIR AND/OR REPLACEMENT

Forecast

Federal

Contract Overview

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AI Contract Overview

The Department of the Navy via Navfac Mid-Atlantic is seeking a contractor to conduct a comprehensive HVAC engineering study and execute a design-build replacement of units to resolve climate control and high humidity issues within the B-310 building. The required study must include detailed heat load calculations considering all structural, internal, and external factors, including ducting, cooling towers, and ventilation. Due to the sensitivity of the facilities to electromagnetic interference, the use of variable speed motors and frequency drives is strictly prohibited, and all designs must be verified by the EMI working group. The project is driven by critical failures in units HP1 and HP5, which are currently oversized and short cycling, leading to mold growth and the temporary evacuation of building spaces. New equipment must feature integrated humidity control and high availability through built-in redundancy with two separate cooling circuits. While recent efforts included duct cleaning and the installation of temporary dehumidifiers, the scope of this survey encompasses the entire building system to ensure a safe and sustainable workspace ahead of peak summer humidity.

General Info

Navy contract for HVAC engineering study and design-build replacement in building B-310.

Agency

Department Of The Navy → Navfac Mid-Atlantic

NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors

Place of Performance

USA

Set-Aside

NONE

Documents

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Timeline

PhaseForecast

PostedJul 2

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Organization & Contact Information

AgencyDepartment Of The Navy → Navfac Mid-Atlantic

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Navy → Navfac Mid-Atlantic

Office AddressN/A

ContactsNo contact information available

Full Description

Contractor to perform an HVAC Engineering study and design build replace units needed to mitigate building climate control issues and high humidity in building spaces. The engineering study and building heat load calculations shall incorporate all factors including but not limited to: supply ducting, return ducting, water cooling loop, cooling tower, outside air sourcing, building ventilation, thermostat locations, building structure, internal loads, and outside climate. NAS Northwest has very sensitive facilities to EMI. The use of variable speed motors and frequency drives is prohibited. Per The Department Of The Navy NAVSUPPACT HAMPTON ROADS INSTRUCTION 11011.11. All designs must be verified by EMI working group. Any New equipment design must incorporate humidity control and the highest availability of built in redundancy with two separate cooling circuits. All B-310 units were replaced in 2024. The replacement information can be found via NAVFAC contract eProjects work order Number 1657564 and contract number N40085-18-D-1149. Units HP1 and HP5 are now oversized and short cycling. The building spaces serviced by units HP1 and HP5 started having issues with high humility and mold. This issues was compounded by the summer month’s heat and high humidity. These issues caused the building to be vacated until dehumidifier could be installed and the spaces cleaned. This cleaning also incorporated all building HVAC ducting to be cleaned and re sealed. Although other building spaces not serviced by HP1 and HP5 were not affected by mold issues we are requesting the survey to encompass the complete building system. NAVFAC and FSSC has worked on temporary solutions to control the building humidity and maintain the building as a safe workspace. However summer high humidity is coming. NOTE: description has been truncated, please see Project Note for full description.