Green stormwater infrastructures in Québec Integration in the
Transcription
Green stormwater infrastructures in Québec Integration in the
design + environnement Green stormwater infrastructures in Québec Integration in the urban fabric Mélanie Glorieux, landscape architect, M. Ing. www.rousseau-lefebvre.com Overview of stormwater management in Québec ˃ Loi sur la qualité de l’Environnement (L.R.Q., c.Q-2) (1972) ˃ Politique nationale de l’eau (2002) ˃ Guide de gestion des eaux pluviales (2011) Overview of stormwater management in Québec ˃ Provincial policies apply mostly to new developments of 2 ha or more ˃ Detention basins ˃ Bioswales Source : MDDELCC, Guide de gestion des eaux pluviales. 2011. ˃ Oversized pipes Clos Prévostois, Prévost Parc Léon-Poissant, Saint-Constant Overview of stormwater management in Québec ˃ Municipalities integrate practices in their by-laws and help introduce new possibilities in stormwater management Stormwater and cycle path that link the different areas together ˃ Secteur Harmonie, Longueuil ˃ Blue/green network of bike and walking paths along the bioswales Parc Vincent d’Indy, Longueuil – secteur Harmonie Overview of stormwater management in Québec ˃ Municipalities integrate practices in their by-laws and help introduce new possibilities in stormwater management ˃ Permanent water detention basin as filtration unit, Saint-Jérôme Parc Schulz, Saint-Jérôme ˃ Constructed wetland with architectural features, Montréal Parc Gewuez-Remer, Montréal Overview of stormwater management in Québec ˃ Municipalities integrate practices in their by-laws and help introduce new possibilities in stormwater management Bioretention retro-fit, Granby ˃ Bioretention retrofit along two streets in Granby ˃ Bioretention planted strips in municipal parking lot in MontSaint-Hilaire Bioretention in municipal parking lot, Mont-Saint-Hilaire Overview of stormwater management in Québec ˃ Municipalities integrate practices in their by-laws and help introduce new possibilities in stormwater management École Nouvelle-Querbes, Outremont ˃ Reducing impervious surfaces in school yards and alleyways. Ruelle verte, Ahuntsic-Cariterville Ville de Montréal Source : Ville de Montréal Ville de Montréal ˃ Avenue Papineau ˃ Complexe environnemental de Saint-Michel Ville de Montréal ˃ Avenue Papineau ˃ Complexe environnemental de Saint-Michel Centre sportif de soccer 2014 Source : Ville de Montréal François‐ Prévost Lecocq (nouv. FC) Entrée du CESM 2017 Source : Ville de Montréal Ville de Montréal ˃ Avenue Papineau ˃ Complexe environnemental de Saint-Michel Limestone quarry Landfill Park Source : Ville de Montréal Complexe environnemental de Saint-Michel Complexe environnemental de Saint-Michel 3 watersheds Lac Nord - 107,2 ha Bassin Sud - 28,8 ha Bassin Ouest - 5,9 ha 2 detention basins Source : Ville de Montréal 1 lake with filtering marsh Complexe environnemental de Saint-Michel Surface runoff water management to limit the percolation that promotes leachate No water retention permitted above landfill areas (72/192 ha) High water table Topography : minimal slope of 2% and a maximum of 30% 17 km of underground pipe top collect biogas and leacheate Source : Ville de Montréal ˃ Constraints related to site hydrology Complexe environnemental de Saint-Michel Source : Ville de Montréal ˃ Landscape architecture Master Plan Complexe environnemental de Saint-Michel ˃ Phase 1 Source : Ville de Montréal SECTION PLAN Complexe environnemental de Saint-Michel ˃ Phase 1 Sitting areas along the path Source : Ville de Montréal Swales Ville de Montréal Source : Ville de Montréal ˃ Avenue Papineau Avenue Papineau Adjacent to secondary residential streets Planted mound as visual barrier to the busy street Drainage issues near the new soccer stadium Limited access near the planned entrance to the CESM Source : Ville de Montréal ˃ Existing conditions Avenue Papineau ˃ Existing conditions Avenue Papineau Source : Ville de Montréal ˃ Proposed layout Avenue Papineau Source : Ville de Montréal ˃ Existing street geometry Avenue Papineau ˃ Proposed street geometry Planting in the meridian Sidewalk Large sidewalk along the CESM Source : Ville de Montréal Bioswale Avenue Papineau ˃ Bioswales Inlet Outlet Large sidewalk Inlet Sand Outlet Source : Ville de Montréal Engineered soil Avenue Papineau ˃ Longitudinal section of bioswale Threshold Detention, infltration and filtration Detention, infltration and filtration Source : Ville de Montréal Overflow Source : Ville de Montréal ˃ Transformation at a large scale Source : Ville de Montréal An opportunity to give Montreal a comprehensive project including transportation, urbain design, sustainability and innovation. Managing stormwater at the city scale ˃ Adapting to the process ˃ Design ˃ Construction ˃ Maintenance Source : Savaria ˃ Monitoring Thank you! www.rousseau-lefebvre.com