Renovation of a DN 150 Refinery Wastewater Main in Burnaby, BC
Bibliographic record
Abstract
In Burnaby, BC, there was a need to refurbish over 200 m of a DN 150 refinery wastewater main. Installing a new carbon steel pipe was not practical because of the expected high corrosion levels; HDPE or PVC materials were not considered suitable alternatives due to potential issues related to thermal expansion. Flexible Fabric Reinforced Pipe (FFRP) systems present significant advantages as they operate independently from the host pipe and can navigate multiple bends while accommodating high-pressure ratings. Simultaneously, they offer a high level of stability thanks to a reinforcement layer made of aramid. These attributes, combined with a small construction footprint and short rehabilitation times, made FFRP the ideal technology for this rehabilitation project. This paper will outline the technical characteristics of the FFRP and describe the installation process along with its associated requirements. The paper then concludes with a report on the rehabilitation of a refinery wastewater main.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.004 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.007 | 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".