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