Kemano Fire Studies: Part 2: response of a residential sprinkler system
Bibliographic record
Abstract
NRC's Fire Risk Management Program has completed an experimental study of a residential sprinkler system, using the unique opportunity of the Kemano Public Safety Initiative. A series of full-scale suppression experiments were conducted in Kemano, a deserted town in northern British Columbia. A wood-framed bi-level house (900 square feet per floor, 1800 square feet total) was used for the evaluation of a cross-linked-polyethylene (PEX-a) pipe sprinkler system. A residential sprinkler system with 11 quick response sprinkler heads (temperature rating of 68.3 degrees C or 155 degrees F) was designed and installed (in accordance with NFPA 13D) in a basement recreation room and throughout the main floor. The system was designed to prevent flashover in the room where fire originated and to allow response time for the fire department. The sprinkler system was tested four times for two fires originating in a basement recreation room, and one time each for the ground floor bedroom and the living room. Smoke detectors, carbon monoxide detectors and heat detectors were installed in the experimental house. The observations made included temperatures in the fire room and egress route. CO and CO2 conentrations, activation times of sprinklers and smoke, heat and CO detectors, and video records of smoke movement.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".