Containment
Containment separates hot and cold airflow streams to reduce mixing and improve cooling performance. It is a practical design feature that can materially affect PUE, usable rack density, and thermal reliability.
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Leasing, Transactions, and Commercial Terms
Renewal option
Renewal option gives a tenant a contractual right to extend the term if conditions are met. Data center renewals should clarify rent reset, power capacity, SLA continuity, infrastructure refresh, and notice windows.
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Concurrent maintainability
Concurrent maintainability means planned maintenance can be performed on capacity components or distribution paths without interrupting operations. It is central to Tier III concepts and depends on design plus operating procedures.
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Special use permit is local approval for a use that is allowed only after discretionary review and conditions. Data centers may trigger special use review due to scale, utility infrastructure, noise, traffic, generators, water use, or community concerns.
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