K&K Data Service Inc.Data Center Engineering Lab

Data Center Lab

Modules and Space

This series publishes working engineering analysis from K&K's data center program. Numbers are labeled [TARGET], [MODELED], [SENSITIVITY] or [FACT]; nothing here is field-measured data, and no article is a sealed engineering document. Each article states its own limits and open items.

Equipment plan of the building: generator and transformer yard, UPS and battery rows, and CDU positions along the hall
Whole-equipment plan: generator yard, power rows and CDU positions (coordination study — not release).
  1. KK-DCL-051White-Space Area Follows Geometry, Not kW per RackWhite-space area is driven by row geometry, aisle rules and service envelopes, so it does not scale linearly with rack power.
  2. KK-DCL-052Only 100 kW/Rack Divides 12 MW Into Three Equal ZonesAmong the studied density steps, only one divides the target load into three arithmetically equal zones without a remainder rack.
  3. KK-DCL-053Electrical Support Is 2.1–2.6× the White SpaceElectrical support rooms, clearances and maintenance aisles together occupy a multiple of the white space, not a fraction of it.
  4. KK-DCL-054Battery-Room Area Cannot Be Sized While Installed kWh Spans FourfoldWhile the battery energy requirement spans a factor of four, any single battery-room area is a selection, not a result.
  5. KK-DCL-055Three UPS Rooms Follow Failure-Domain Topology, Not Floor PlanThree UPS rooms follow from the failure-domain separation requirement, not from a floor-plan preference.
  6. KK-DCL-056Close the CDU and Rack Envelope Before Freezing Rack DensityRack and CDU physical envelopes bound the achievable density, so freezing density first inverts the dependency.
  7. KK-DCL-057Breaker Extract Depth Plus 0.9 m, Not Code Minimum, Sets the AisleThe chapter takes the front working clearance as the larger of the code minimum and the maximum extraction depth plus a 0.9 m transport margin, which is why the baseline low-voltage aisle is 1.50 m where the code allows 1.22 m.
  8. KK-DCL-058A BIM Object With a Port May Not Be Drawn as a 2D BlockAny object holding at least one declared port must exist in the model as a connectable instance carrying connectors; drawn as a block, a mass or a filled region it drops out of collision, quantity and topology checking without raising an error.