Land, Permitting, and Environmental
Traffic impact study evaluates how a project affects roads, intersections, construction traffic, and long-term operations. Data centers may have low permanent employment but high construction traffic and equipment-delivery needs.
Power Distribution Unit distributes power from upstream electrical infrastructure to racks, cabinets, or downstream panels. In data centers, PDU design affects branch-circuit capacity, metering, redundancy, maintenance, and how IT load is allocated across power paths.
Read definition →A demand ratchet sets current bills partly from prior peak demand, often using a percentage of the highest demand in previous months. For ramping data centers, an early spike or test event can influence bills long after the event if the tariff includes a ratchet.
Read definition →Tier IV is fault tolerant and concurrently maintainable, meaning an individual equipment failure or distribution path interruption should not affect operations. It is the highest Uptime tier and typically implies higher cost, space, and operational rigor.
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