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· Engineering  /   Knowledge retrieval

Ask the engineering corpus.

A semantic, citation-aware retrieval surface across 59 semantic entities, 14 topology patterns, 8 deployment archetypes, 7 lifecycle rules, 4 simulation surfaces, 14 reference projects, 25 engineering tools and 59 insights. 41 discipline-jargon synonym groups expand the query. Every claim cites the underlying corpus file, slug and a one-line "why this result" rationale. AI crawlers read the same data as humans do.

Try:addressable fire alarm cause and effect matrixmedical college deployment archetypeUPS holdover simulationWi-Fi 6 refresh windowlegislative chamber audiocinema immersive acoustic envelopefibre ring resilienceAMC tier mission criticalKNX vs DALIBESS battery sizingspecification starter conference roomcommand-control facility topology

Retrieved · intent: unknown (re-classified)

The corpus resolves "KNX vs DALI" to the semantic entity "KNX Building Bus" with authority 94%. Closest topology pattern: Smart-home low-noise orchestration. description hit. It composes into the luxury residence archetype. spans 5 disciplines. Overall corpus confidence: 94%.

  • When to use

    High confidence (94%) — citations agree across 6 corpus surfaces.

· Semantic entities (4)

  • KNX Building Bus

    entity · confidence 94%

    Why this result: direct alias hit.

    semantic-engineering-graph.ts › semanticEntities#knx-bus

  • DALI Protocol

    entity · confidence 94%

    Why this result: direct alias hit.

    semantic-engineering-graph.ts › semanticEntities#dali-protocol

  • Lighting Scenes (Rako / KNX / DALI)

    entity · confidence 67%

    Why this result: summary / alias hit.

    semantic-engineering-graph.ts › semanticEntities#lighting-scenes-pattern

  • Premium Residence Archetype

    entity · confidence 62%

    Why this result: summary / alias hit.

    semantic-engineering-graph.ts › semanticEntities#premium-residence-archetype

· Topology patterns (1)

  • Smart-home low-noise orchestration

    topology · confidence 60%

    Why this result: description hit.

    wave5-foundations.ts › topologyPatterns#smart-home-low-noise-orchestration

· Deployment archetypes (1)

  • Luxury residence

    archetype · confidence 80%

    Why this result: spans 5 disciplines.

    wave5-foundations.ts › wave5DeploymentArchetypes#luxury-residence

· Reference projects (1)

· Engineering tools (1)

· Insights (2)

· Follow-ups

  • — Which deployment archetype composes smart-home low-noise orchestration?
  • — What lifecycle rules apply to the luxury residence?
  • — Browse related entities to KNX Building Bus.

· Corpus snapshot

What the retrieval surface knows.

59

Semantic entities

Protocol, technology, manufacturer, archetype and lifecycle entities — each with relationship edges, aliases and authority weights.

14

Topology patterns

From command-control to legislative-acoustic — each pattern carries a confidence score and observed-in project list.

8

Deployment archetypes

Sector × topology × delivery shape — with complexity scoring and recommended AMC tier.

7

Lifecycle rules

Refresh-cadence rules grounded in real degradation behaviour, not warranty windows.

· Topology patterns

· Deployment archetypes

· Lifecycle rules

  • VRLA battery bank, >= 30 months in service

    tier gold · refresh @ 36 mo

    VRLA capacity degrades 5-8% per year nominal, accelerating above 30°C. Refresh at 36 months preserves the holdover guarantee.

  • Fine-pitch LED wall, >= 5 years in service

    tier gold · refresh @ 18 mo

    Colour-uniformity drift over 7-9 year horizon; panel-by-panel re-calibration every 18 months preserves chamber-grade visual coherence.

  • Wi-Fi 6 AP plant, >= 5 years in service

    tier silver · refresh @ 60 mo

    Wi-Fi 7 generational refresh window opens at 5-7 years; Cat6A backbone supports the next generation without re-cabling.

  • Honeywell IMPACT NVR fleet, between firmware refresh cycles

    tier silver · refresh @ 12 mo

    Firmware-driven analytics evolve faster than camera hardware; configuration baseline export + analytics rule review at every firmware cycle.

  • Addressable fire system in service, post-occupancy changes

    tier gold · refresh @ 12 mo

    Occupancy changes (department moves, suite reallocations) invalidate parts of the C&E matrix. Annual review against the architect-of-record floor plan keeps evacuation behaviour predictable.

  • High-SPL audience loudspeakers, >= 4 years

    tier silver · refresh @ 48 mo

    Compression driver diaphragms fatigue under sustained SPL; impedance + sensitivity sweep flags failing drivers before audience perception.

  • OFC backbone, >= 7 years in service

    tier gold · refresh @ 84 mo

    Connector loss creeps over 7-10 year horizon; OTDR survey identifies degraded splices before they manifest as link-flap events.

· Top semantic entities

The full 59-node graph lives at /engineering/entity — this snapshot lists the flagship entries.

· Simulation surfaces

  • UPS holdover simulation (multi-load)

    power-protection · implemented

    Per-load UPS holdover across a 30-minute discharge window with chemistry-specific Peukert correction and ambient-temperature derating.

    → open simulation

  • Wi-Fi coverage simulation (attenuation-aware)

    structured-cabling-networking · implemented

    AP placement with material-aware attenuation envelope, channel-plan check and per-floor co-channel interference detection.

    → open simulation

  • Fire-evacuation flow simulation

    fire-life-safety · implemented

    Occupant-flow simulation against the fire-alarm cause-and-effect matrix; STI-per-seat verification against evacuation-event ambient noise.

    → open simulation

  • CCTV coverage geometry simulation

    cctv-surveillance · implemented

    Per-camera FOV cone projected onto a floor plan with PPM band overlay (identification / recognition / observation / detection).

    → open simulation
Engineering knowledge retrieval — query the corpus | TechnoGuru