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Record W647211775

Performance-Specified Maintenance Contracts: Canadian Case Study

2007· article· en· W647211775 on OpenAlex
Lori Schaus, Susan Tighe

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

aboutThe title or abstract carries a Canadian signal from the geographic lexicon.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueTransportation Research Board 86th Annual MeetingTransportation Research Board · 2007
Typearticle
Languageen
FieldEngineering
TopicInfrastructure Maintenance and Monitoring
Canadian institutionsnot available
Fundersnot available
KeywordsServiceability (structure)International Roughness IndexPlanned maintenanceTransport engineeringEngineeringComputer scienceOperations researchCivil engineeringReliability engineeringSurface finish
DOInot available

Abstract

fetched live from OpenAlex

Recently there has been a shift in the techniques used to manage and maintain transportation related assets. Transportation agencies are implementing the use of alternative methods for the construction, monitoring, maintenance, and rehabilitation of their road networks through performance specified maintenance contracts (PSMC). Performance specified contracts can assist in improving the overall condition of the road network while controlling costs. The objective of this paper is to provide an introduction into performance specified maintenance contracts including: history, advantages, and disadvantages. It analyzes some typical Canadian highway network data to illustrate how performance models and roughness can assist in determining service lives of network sections. This paper investigates the pavement serviceability through the International Roughness Index as well as the pavement condition using a Pavement Condition Index. Various initial International Roughness Indices were analyzed to illustrate the importance of initial values. Optimization of the activity costs and initial IRI values are critical in order for contractors to maintain the serviceability and remain within the acceptable limits set forth by the owner.

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.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.010
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies, Research integrity
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.506
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0100.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0020.003
Science and technology studies0.0020.001
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0000.003
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.041
GPT teacher head0.338
Teacher spread0.297 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it