Author
Listed:
- Ingrid Peignier
- Nathalie De Marcellis-Warin
Abstract
To discover the executive summary This article presents the complete overhaul of the tool for estimating the socio-economic costs of damage to underground infrastructure in Canada, originally developed by CIRANO in 2015. The 2026 version expands the geographic coverage to include all Canadian provinces, enriches the estimation framework with four new cost categories (additional avoided road accidents, evacuation, water service interruption, material damage from water main breaks), updates existing methodologies, and, most importantly, refines all calculations at the census subdivision level (approximately 4,000 local areas). The tool processes data from the DIRT database, a repository of third-party infrastructure damages voluntarily reported by infrastructure owners. It estimates eight categories of indirect costs based on the type of damaged infrastructure, geographic location, and severity of the damage. Applied to Canadian data from 2024, the tool estimates annual indirect costs of 160 million Canadian dollars. These estimates remain conservative due to certain inherent limitations of the damage database. Nonetheless, they provide robust orders of magnitude to inform prevention strategies and support data-driven decision-making. Pour découvrir le sommaire exécutif Cet article présente la refonte complète de l’outil d’estimation des coûts socio-économiques des dommages aux infrastructures souterraines au Canada, développé initialement par le CIRANO en 2015. La version 2026 élargit la couverture géographique à l’ensemble des provinces canadiennes, enrichit le cadre d’estimation avec quatre nouvelles catégories de coûts (accidents routiers supplémentaires évités, évacuation, interruption du service d’eau, dommages matériels liés aux bris de conduites d’aqueduc), actualise les méthodologies existantes et surtout affine l’ensemble des calculs à l’échelle de la subdivision de recensement (environ 4 000 zones locales). L’outil traite les données de la base DIRT, une base de données des dommages aux infrastructures causés par des tiers remplie par les propriétaires d’infrastructures sur une base volontaire. L’outil estime huit catégories de coûts indirects en fonction du type d’infrastructure endommagée, de la localisation géographique et de la magnitude du bris. Appliqué aux données canadiennes de 2024, l’outil estime des coûts indirects annuels de plus de 160 millions de dollars. Ces estimations demeurent toutefois conservatrices en raison de certaines limites inhérentes à la base de données sur les dommages. Elles fournissent néanmoins des ordres de grandeur solides pour éclairer les stratégies de prévention et soutenir une prise de décision fondée sur les données.
Suggested Citation
Ingrid Peignier & Nathalie De Marcellis-Warin, 2026.
"Assessment of the socio-economic costs of damages to underground infrastructure in Canada,"
CIRANO Project Reports
2026rp-07, CIRANO.
Handle:
RePEc:cir:cirpro:2026rp-07
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