Beavers, Birdwatchers, and a Critical Wastewater Force Main Can Coexist!
Bibliographic record
Abstract
Metro Vancouver’s Sperling Avenue Forcemain cuts right through environmentally sensitive Burnaby Lake Park. The 533 mm diameter steel force main was installed in 1962 and is a critical piece of Metro Vancouver’s wastewater system. In 2020, Metro Vancouver issued an RFP for condition assessment of the force main and selected Pure Technologies to execute a high-resolution condition assessment. Prior to the project, no previous condition assessments had been completed; however, the force main suffered from point failures in the past. In 2021, an inspection of the force main was completed with a high-resolution, free-swimming inspection technology. Challenges associated with the inspection included limited flow control ability and mobilizing and working during the COVID-19 pandemic. Analysis of the inspection data identified defects, which Metro Vancouver decided to repair. In September 2022, repairs were completed, increasing Metro Vancouver’s confidence the force main can continue to successfully operate in its unique in situ conditions.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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; both teacher heads agree on what is shown here.
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".