Water-centric approach to developing green infrastructure (framework and cost)
Notice bibliographique
Résumé
WATER-CENTRIC APPROACH TO DEVELOPING GREEN INFRASTRUCTURE: Framework and CostPierre Beauchamp, P. Eng., 15 avril 2014AbstractGreen infrastructure (GI) has emerged as an active term of reference in project development planning. However, elaboration and discussion of integrated frameworks to assist engineering organizations in planning the start-up of new projects are largely absent from GI research literature, particularly in the context of greening and sustainability. The present study attempts to bridge this gap by developing and proposing an integrated framework focused on the start-up development of green projects relating to storm water, water supply, and wastewater.The present study's first objective was to explore the use of fully integrated GI in the engineering design of a biophilic development incorporating sustainability principles. To achieve the desired teamwork, a clear sequence of tasks to define the workflow was required. A review of the literature led to the identification of several different approaches, from which I selected four, improved, and then employed them to build a ready-to-use framework of sequenced tasks. These tasks included all components of water management (precipitation and drainage, water supply and wastewater). A case study in China employed in testing this framework demonstrated that all GI components could be integrated into one approach. While the structuring of an integrated water-centric development (IWCD) approach was found to be applicable to a wide range of projects, appropriate capacity building was critical to its success.In support of the study's second objective, the newly proposed framework was implemented to compare, in the form of a feasibility study, the economic benefits of investment and overall cost of designing green with those of designing conventionally in the case of a new institutional pole for the city of Vaudreuil-Dorion, Quebec, Canada. While the study showed increases in the value of GI projects to mirror the construction costs of such projects, it also found that implementing GI (vs. conventional) infrastructure can result in savings in both construction and life cycle costs. Therefore, GI can provide significant economic benefits to cities.The study showed that a GI project including components from water source to wastewater disposal would cost 15 percent more, at the level of each housing unit, than a conventional infrastructure design. However, the study also demonstrated that the value of each housing unit would be 15 to 27 percent greater in a green neighborhood than in a conventionally designed neighborhood. This would provide an equivalent increase in tax revenues for the municipality. Although many frameworks have been proposed for stimulating a green urban agenda, few have offered a start-up methodology for incorporating biophilia within the engineer's design. This study served to develop a new integrated framework for storm water, wastewater, water supply, and street layout for GI projects.
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Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,005 | 0,004 |
| Méta-épidémiologie (sens strict) | 0,001 | 0,001 |
| Méta-épidémiologie (sens large) | 0,000 | 0,001 |
| Bibliométrie | 0,007 | 0,006 |
| Études des sciences et des technologies | 0,002 | 0,004 |
| Communication savante | 0,006 | 0,006 |
| Science ouverte | 0,003 | 0,004 |
| Intégrité de la recherche | 0,002 | 0,002 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,004 | 0,001 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».