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title: Data Centre Construction
emoji: 🔌
colorFrom: blue
colorTo: indigo
sdk: static
pinned: false
license: apache-2.0
short_description: Nameplate OCR checked against the equipment schedule
---
# Data Centre Construction
> **Constructelligence is developing frontier construction-AI models.** This demo is the *lite*, open tier
> of the Data Centre Construction kit (see [constructelligence.co](https://constructelligence.co)).
**Read an equipment nameplate and know if it is the unit the schedule asked for.**
Photograph the nameplate of a UPS, PDU, switchgear, generator, transformer, busway, battery, CRAH, chiller — or a
**server rack**. This runs OCR in your browser, pulls out **31 plate fields** across **55 data-centre equipment
types**, and **checks each one against the equipment schedule**, flagging a mismatch instead of a silent pass. It
builds an asset register and exports it to CSV.
Nothing is uploaded: the photo and the schedule stay on your device.
## Try it
1. Drop an equipment schedule as CSV (or click **Use sample schedule**).
2. Drop a nameplate photo (or click **Try a sample nameplate**).
3. Click **Read nameplate** and check the verdict, field by field, against the plate.
Sample plates include a matching UPS, a wrong-voltage UPS, a switchboard, a server and a rack PDU.
## How it works
- **Photo check** — a quick blur/glare/darkness/resolution read warns before you rely on a bad shot.
- **OCR** — `tesseract.js@5` (English LSTM), loaded from a CDN, plus an error model for the way OCR misreads plate
lettering (serifed `V`→`Vv`, `K`→`X` in `KVA`, `HZ`→`Hw`, codes split after their punctuation).
- **Extraction** — labelled-field parsing with numeric range guards, grouped into Identification, Electrical,
Cooling, Server racks/IT and Mechanical. Fields include voltage, phase, Hz, kVA, kW, amps, power factor, MCA,
MOCP, SCCR, enclosure, listings, battery type/Ah/cells, refrigerant, charge, cooling tons, BTU/h, CFM, GPM,
rack U, power W, PDU outlets, ports, speed and weight.
- **Typing** — 55 equipment families, device wording ranked above its family (server racks included).
- **Matching** — model and serial codes compared with `O/0`, `I/L/1`, `S/5`, `B/8`, `Z/2` folded, so a misread is
not a false mismatch while a genuine voltage variant still fails.
## Links
- **Model card and code** — [constructelligence/data-centre-nameplates](https://huggingface.co/constructelligence/data-centre-nameplates)
- **Constructelligence** — [huggingface.co/constructelligence](https://huggingface.co/constructelligence) · [constructelligence.co](https://constructelligence.co)
> A prompt to look, not a finding. Not safety-rated, not a compliance decision, and not a substitute for
> inspection by a competent person.
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