Quantcast Heating,Ventilation, and Cooling -Cont.

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(4) Provide a complete description and schematics of the heating system proposed
including an explanation of why this system is preferred over others. Also indicate
locations of major components of the system. For larger systems that qualify under
energy conservation, a computerized comparison between at least two systems is
required.
c. Ventilation (ASHRAE Ventilation Standard 62 (latest edition)).
(1) State whether a gravity or mechanical system is to be used and provide a brief
description of the type proposed.
(2) Indicate the number of outside air changes per hour in various areas, the type
of filtration, if applicable, and whether OSHA requirements are applicable.
(3) State if smoke removal systems are to be employed per MIL-HDBK-1008
(latest edition).
(4) Describe the operation of the system in summer and winter modes.
d. Cooling
(1) Comfort Cooling - The air -conditioned inside design temperature for
personnel comfort should be 15oF [9.4oC] less than the 2 -1/2% outside dry bulb weather
condition, but should not exceed 78oF [25.6oC] dry bulb or be less than 75 oF [23.9oC]
dry bulb. The design relative humidity should be 50% minimum or the design
temperature equal to the outside air dew point design temperature, whichever is less.
(2) Psychometric calculations shall be illustrated on psychometric charts and
submitted with pre -final.
(3) Humid Area criteria is provided in MIL -HDBK-1190. For areas, which thi s
applies, see Table T -1 included at the end of this section.
(4) Provide a complete description and schematics of the cooling system proposed
including an explanation of why this system is preferred over others. Also indicate
locations of major components of the system. For larger systems, which qualify under
energy conservation, a computerized comparison between at least two systems is
required.
(5) Provide a statement of areas to be cooled for determining whether air
conditioning is authorized pe r MIL-HDBK-1190.
(6) Identify special humidification or dehumidification requirements, as well as
special filtration requirements.
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