HEFP SEP Design Alert 8.pdf

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C1BG--EHRM Infrastructure Upgrades - Castle Point Wappingers Falls, NY (VA-22-00017800)
Solicitation number
36C77622R0074
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About this file

This document is a presolicitation notice for architect-engineering services related to infrastructure upgrades at a Department of Veterans Affairs medical center campus. Key details include:

  • The solicitation is for design services to develop construction documents for infrastructure upgrades at 16 buildings and the campus site at the VA Hudson Valley Medical Center in Wappingers Falls, New York, with a project magnitude between $10-20 million. Required disciplines include architecture, mechanical, electrical, and structural engineering.

  • Submissions are due by May 16, 2022. The selection process will evaluate SF330 submissions using criteria of specialized experience, professional qualifications, capacity, past performance, and knowledge of the locality. The highest rated firm may receive a site visit.

  • The project has a 100% set-aside for Service-Disabled Veteran-Owned Small Businesses. The NAICS code is 541330 for engineering services. Responses must come from verified SDVOSBs registered in SAM at time of submission.

  • Discussions will be held with the most highly qualified firms to obtain additional information, followed by final evaluation and selection of the most highly qualified firm to receive the solicitation.

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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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