48 lines
3.0 KiB
Markdown
48 lines
3.0 KiB
Markdown
# @maintainable.xyz/house-spec
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The open specification for building maximally maintainable, healthy homes.
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## What This Is
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A complete, opinionated building specification for a Baufritz timber-frame house engineered around **clean-room-level indoor air quality**, **laboratory-grade water purity**, **self-hosted infrastructure**, and **lifetime maintainability**. Every system — air filtration, water treatment, heating, flooring, plumbing, datacenter — is designed so that components can be inspected, serviced, and replaced without destructive intervention.
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## Specification Documents
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| Spec | Scope |
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|------|-------|
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| [01 — Air System](specs/01-air-system-spec.md) | H13 HEPA whole-house filtration, MVHR, steam humidification, duct design, pressure management |
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| [02 — Sensors & Automation](specs/02-sensor-automation-spec.md) | Per-room air quality sensors, KNX/Zigbee architecture, Home Assistant integration, demand-controlled ventilation |
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| [03 — Baufritz Coordination](specs/03-baufritz-coordination-spec.md) | Technical room, duct routing, airtightness, radon protection, construction checkpoints |
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| [04 — Flooring & Ceiling](specs/04-flooring-ceiling-spec.md) | Lindner NORTEC Doppelboden raised floor, WOODline parquet, Plafotherm AirHybrid radiant ceiling |
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| [05 — Water System](specs/05-water-system-spec.md) | POE reverse osmosis, 316L stainless steel plumbing, ceiling-routed distribution, leak detection |
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| [06 — Home Datacenter](specs/06-datacenter-spec.md) | Cellar, 4x 42U racks, closed-loop cooling, heat recovery, goods elevator, UPS, structured cabling |
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## Key Design Principles
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- **Whole-house H13 HEPA** — 99.95% particle capture at 0.3 um, ISO Class 7-8 equivalent
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- **Every air parameter controlled** — particulates, CO2, VOCs, humidity, temperature, pressure, radon
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- **Heating via ceiling** (Plafotherm AirHybrid), not floor — fast response, furniture-independent, integrates MVHR supply air
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- **Raised access floor** (Lindner NORTEC Doppelboden) — individually liftable 600x600 mm panels for full access to services underneath
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- **Dry construction throughout** — no wet trades, ideal for Baufritz timber-frame
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- **Whole-house POE reverse osmosis** — 95-99% TDS removal, remineralized, UV-sterilized, PFAS/microplastic-free
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- **316L stainless steel plumbing** — food-grade, zero leaching, press-fit, routed accessibly under suspended ceiling
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- **Home datacenter in cellar** — 4x 42U racks, 10 kW closed-loop cooling, N+1 redundancy, heat recovery heats the house in winter
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- **Goods elevator** — 1000 kg capacity, cellar to ground floor, handles fully loaded server racks
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- **Positive pressure** (+3-5 Pa) — unfiltered air never enters the building envelope
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## PDF Build
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The specs can be compiled into a single styled PDF with rendered Mermaid diagrams:
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```sh
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pnpm install
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pnpm build
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# Output: dist/house-spec.pdf
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```
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Requires Chromium (installed automatically via Puppeteer).
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## License
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All rights reserved. Copyright maintainable.xyz.
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