Sanitized Heat Load Calculator_Vault.pdf

PDF 37 KB Posted

Attached to
HVAC Replacement/Repair Base-wide Federal contract opportunity
Solicitation number
W50S8U-26-R-A014
Issued by
Department of the Army National Guard

About this file

This document is a Heat Load Calculator worksheet used to determine cooling capacity requirements for IT equipment in a facility. The calculation is based on one IT equipment unit with a power supply wattage of 8,697 watts, which at 70% load generates 6,087.9 watts or 20,759.74 BTU/hour. The worksheet applies two additional buffers to the base equipment heat load: a 10% buffer for occupancy and lighting, and a 20% buffer for environmental radiating heat in the building and surge capacity. These buffers increase the total heat load from 20,759.74 BTU/hour to 26,987.66 BTU/hour.

The final calculation converts the total heat load to cooling capacity by dividing the total BTU/hour by 12,000 (the standard conversion factor), resulting in a requirement of 3 tons of cooling capacity necessary for the facility. This worksheet appears to be a technical planning tool for determining HVAC cooling system specifications rather than a formal contract solicitation document.

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Text version

Equipment PS Wattage # of PS * 70% load ** BTU/HR IT Equipment 8697 1 6087.9 20759.74

Total Watts 6087.9

TOTAL BTU/HR 20759.74

Total equipment Heat load 20759.739 buffer for occupancy, lighting, etc 10% 20% buffer env radiating heat in building, and surge capacity 20% Total Heat Load 26987.6607 BTU/hr to Tons of Cooling 12000

Total Tons of cooling necessary 3

HEAT Load Calculator

Sheet1

File details come from the government source that posted it. Updated .