The Role of Independent Engineer in the Design and Construction of Long Span Bridges in Canada
Bibliographic record
Abstract
This paper describes the role of Independent Engineer (IE) in the design and construction of the newly constructed New Bridge over the Saint Lawrence (NBSL) River, also known as the New Champlain Bridge, in Montreal, Canada. The $3.2B Public-Private Partnership (P3) project includes a 2.1 mile long new bridge with a 790-foot cable-stayed main span. It also includes 19 bridge overpasses, and more than 3 miles of highway improvements. The new bridge has two three-lane corridors for vehicular traffic and a two-lane light rail transit system, as well as a multi-use path for pedestrians and cyclists. This new bridge has a 125-year design life and was open to highway traffic in both directions on July 1, 2019. The construction is ongoing on the bridge to install the light rail transit system which is expected to open in the spring of 2023. Various monitoring mechanisms have been set out to ensure that the Private Partner delivers the project in compliance with stipulated performance criteria. The Stantec and Ramboll team was selected by the Private Partner and the Government of Canada to be the Independent Engineer, whose mandate involves, examining, at various stages, the design documents, supervision plans and the management and quality control system provided by the Private Partner (PP), performing design reviews at various stages of the design, monitoring all work for the purpose of compliance with the Project Agreement (PA), and issuing certification of the completion of the work at Substantial and Final completion stages
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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 | 0.005 | 0.005 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.003 | 0.002 |
| Science and technology studies | 0.010 | 0.003 |
| Scholarly communication | 0.005 | 0.001 |
| Open science | 0.002 | 0.003 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.012 | 0.002 |
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".