The engineer’s reference desk
409–432 / 1,044 sources
ISO/IEC 2021
At project setup, offer ISO/IEC 22237 alongside EN 50600 as a selectable standard profile.
ISO/IEC 2024
In the site module, build a site-risk checklist keyed to the chosen protection class: flood, seismic, adjacent hazards and access routes.
ISO/IEC 2021
In the single-line editor, validate topology against the selected availability class (single path, redundant components, multiple paths, fault-tolerant).
ISO/IEC 2022
In the site module, require a seismic risk assessment step when the site's seismic hazard (e.g. TBDY 2018 map value) is significant.
ISO/IEC 2026
In the reliability module, add a resilience-level calculator that compares alternative power/cooling topologies on maintainability, recoverability and vulnerability.
ISO/IEC 2021
In the cooling module, apply class-based redundancy rules (N, N+1, 2N) to cooling plant and distribution.
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ISO/IEC 2018
Model cable pathways (overhead trays, underfloor) and distribution areas as layout objects.
ISO/IEC 2024
Tag each room in the floor plan with a protection class and check that access-control zones nest correctly, so a higher-class room is not reachable except through lower-class rooms.
ISO/IEC 2018
At operations handover, generate a capacity-planning and operations dataset (asset register, capacity headroom by power/cooling/space, maintenance windows) from the design model.
ISO/IEC 2016
In the metrics module, define a single KPI boundary object (site boundary, measurement points, reporting period) reused by the PUE, REF, ERF, CER, CUE and WUE calculators.
ISO/IEC 2016
In the sustainability module, show REF on a 0-1 scale next to PUE and CUE.
ISO/IEC 2017
Add optional server benchmark fields (performance score and power at max) to the rack/IT catalogue so the tool can aggregate a fleet ITEEsv per hall.
ISO/IEC 2017
In the operations dashboard, compute ITEUsv only for CPU-centric servers.
ISO/IEC 2026
Build the PUE calculator to the 2026 edition: annual energy basis and a metering category tag on every result.
ISO/IEC 2021
In a heat-reuse calculator, compute ERF as exported heat, metered at the boundary heat exchanger, divided by total facility energy, on a range of 0 to 1.
ISO/IEC 2023
In the cooling module, report CER from the hourly model as heat removed (kWh_th) divided by cooling-system electricity (kWh_e).
ISO/IEC 2022
In the sustainability module, compute CUE as annual CO2 from energy used (grid emission factor x grid kWh + on-site fuel emissions) divided by IT kWh.
ISO/IEC 2022
In the water module, derive WUE (L/kWh_IT) from the hourly cooling model (evaporation, blowdown, humidification) and tag it with its measurement category.
National Academy of Engineering, The Bridge (LBNL authors) 2026
Expose flexibility capability per design (curtailable MW, BESS duration, on-site generation) as outputs for interconnection applications.
Open Compute Project Foundation 2026
Compute PCE automatically from the design model: utility/transformer capacity as P_facility, peak cooling electrical input at design ambient, UPS/transformer/busway losses and auxiliary panel loads, all on the declared redundancy basis.
Energies (MDPI AG) 2019
Consider a cabinet-level rear-door heat exchanger as an option that can raise heat dissipation by 56-67% over air cooling; compare oil or water coolant separately on leakage risk and maintenance.
Cundall 2024
When a user selects a cooling topology, show a three-way comparison of energy (PUE), water (WUE) and carbon (CUE using local grid intensity) for the chosen site.
Uptime Institute Journal (Uptime Institute) 2019
In a PUE benchmark display, show the survey average next to the hyperscale range.
Upsite Technologies blog 2022
Rack and server catalogue entries should carry a delta-T (or airflow per kW) field.
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