Attachment 02 HEFP SEP Design Alert 8.pdf
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- Solicitation number
- 36C77622R0064
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This pre-solicitation notice seeks Statements of Qualifications from firms interested in providing Architect-Engineering services for an EHRM Infrastructure Upgrades project at the Buffalo VA Medical Center in Buffalo, New York. The project scope includes network infrastructure installation, renovations, structural and civil designs, and upgrades to IT systems across multiple buildings. The contract will be a 100% set-aside for Service-Disabled Veteran-Owned Small Businesses. Responses are due by May 19, 2022.
Firms will be evaluated based on their specialized experience with similar healthcare facility projects, construction period services, past performance, capacity to complete the work on schedule, and use of small business subcontractors. The selected firm must complete design within 365 calendar days of award. The construction value is estimated between $20-50 million. The notice provides submission requirements and selection criteria for evaluating Statements of Qualifications.
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HEFP/10NA5G/18APR2022
A conflict was noted between the Infrastructure Standard for Telecommunication Spaces (ISTS) v3.1 and the HVAC Design Manual concerning design parameters for temperature and relative humidity ranges in Telecommunication Spaces.
This Design Alert provides temporary guidance on temperature and relative humidity design ranges for Telecommunication Spaces. This Design Alert will remain in effect until the Infrastructure Standard for Telecommunications Spaces and the HVAC Design Manual publish updates that reconcile the temperature and relative humidity parameters.
The HVAC Design Manual requires a dry bulb temperature of 64◦ F for heating and 81◦ F for cooling and a relative humidity of 30% RH to 60% RH for Telecommunication Spaces, (pp. 6-106 for Data Centers and pp. 6-109 for TRs). These temperatures are supply temperatures. The ISTS requires rack inlet temperatures in telecommunications rooms between 41°F and 95°F and between 72°F and 80.6°F in computer rooms with a relative humidity range of 8% to 80%. Please use the Computational Fluid Dynamics (CFD) Modeling Guide for CRAC and rack inlet temperature design in Data Centers while meeting the more stringent of the two standards. To summarize, AC supply temperature set points must be between 64°F and 81°F per the HVAC Design Manual while maintaining rack inlet temperatures between 72°F and 80.6°F in computer rooms. Relative humidity in all telecommunications spaces will be maintained at the more stringent HVAC Design Manual requirements of 30% to 60%.
HEFP SEP (SOCAMES 6) Design Alert 8
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