Which UPS layout inputs matter?

Use current vendor outlines, room geometry, SLD, cable routes, access requirements and the approved drawing standard.

UPS layout inputs
InputUseStatus
UPS outlinePlan and elevationVendor revision
RoomBoundary and accessCurrent background
BypassMaintenance pathApproved topology
CablesEntry and terminationInterface register
ClearanceEngineering reviewProject value

Sources: Telecommunications Industry Association: ANSI/TIA-942 Telecommunications Infrastructure Standard for Data Centers, National Fire Protection Association: NFPA 70, National Electrical Code

How should missing room information be shown?

Mark the background or dimension open and name the source needed to close it. Do not infer a clearance from an unscaled plan.

  • Current equipment outline
  • Room and access
  • Cable entry
  • Maintenance path
  • Open dimension

What does a layout review not prove?

It does not prove thermal performance, code compliance, capacity or construction suitability. The project engineer approves those matters.

Common questions

What else should the bid team know?

What should a UPS layout include?

It should show equipment outline, room, access, bypass, cable interfaces, tags and open dimensions.

Who reviews a UPS layout?

The drafter coordinates the view and the responsible engineer reviews the design basis.

Does drafting approve the critical power design?

No. The responsible registered engineer makes design decisions and performs engineering sign-off.

Primary sources

  1. ANSI/TIA-942 Telecommunications Infrastructure Standard for Data CentersTelecommunications Industry Association
  2. Tier Standard: TopologyUptime Institute
  3. NFPA 70, National Electrical CodeNational Fire Protection Association
  4. NFPA 110, Standard for Emergency and Standby Power SystemsNational Fire Protection Association