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Cooling and Water

Hot aisle

Hot aisle is the aisle receiving server exhaust air. Properly separating hot and cold aisles improves cooling efficiency and reduces recirculation.

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Short-circuit study

A short-circuit study estimates available fault current at points in the electrical system. The results drive breaker interrupting ratings, protective-device coordination, arc-flash analysis, and whether added load or transformers create equipment-duty problems.

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Gray space

Gray space is support infrastructure area such as electrical rooms, mechanical rooms, staging, storage, and back-of-house space. It may not directly house servers, but it is essential to making white space usable and reliable.

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Cultural resources review

Cultural resources review evaluates potential impacts to historic, archaeological, tribal, or culturally significant resources. It can be triggered by federal permits, funding, land disturbance, or local rules.

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