New Bonnybrook Wastewater Treatment Plant Treated Effluent Outfall—Design, Contracting, and Construction Overview
Bibliographic record
Abstract
The Bonnybrook Wastewater Treatment Plant (BBWWTP) is one of the largest cold weather BNR plants in the world undergoing a significant expansion, including a new outfall to discharge all treated effluent into the Bow River. The BBWWTP currently discharges all the treated effluent flow into the Bow River via a conventional bank outfall. The new outfall is not only required for plant expansion but also is an integral part of a flood protection plan for the site. Design of the outfall system was focused to strike a balance between flood protection capabilities, upsize for expected flow increase to year 2076, environmental enhancement, and cost. The outfall is designed to convey 1,962 MLD (22.71 m3/s) (518 MGD) to a new exfiltration style diffuser under the bed of the Bow River. Construction of the new outfall is ongoing and scheduled to be complete by the end of 2021. The presentation will discuss the project drivers and motivations, some of the key design and construction challenges, and contracting strategy used to deliver this infrastructure.
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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 | 0.003 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.003 | 0.002 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.020 | 0.004 |
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".