LEED v3 BD+C (Retail) Gold
The supermarket Coop 3.0 in Formigine is an innovative retail with reduced consumption that includes a wide surface area of about 28.000 sq. meters, where public interest spaces and infrastructures have been built as well: a pedestrian/cycle/vehicle accessible railway underpass, new connection roads and public parking lots.
Some of the sustainability criteria in the building include: refrigeration aisles closed with doors and equipped with thermal energy recovery devices; solar tubes that funnel the daylight towards the interior; a green wall that absorbs the CO2 emissions. An innovative “Recycle Tree” has been built on the supermarket’s facade: it is a waste collecting system where the customers can bring plastic bottles in order to transform them in recycled Viviverde Coop paper to donate to schools.
The building’s design phase started in 2014, while the construction site pointed first at the demolition of the abandoned buildings of Distillerie Bonollo S.p.A., followed by the construction phase of the new building and infrastructures, using innovative prefab technologies.
Ventilation + Heat recovery
Water-saving sanitary appliances
Low-emitting materials and finishes
High efficient lighting
Landscaped areas with no irrigation
1) Integrated design and concept of the building.
2) Attention to the local identity, the pedestrian and bicycle accessibility.
3) High performance building envelope (insulated wall panels, double glazing and solar shading systems).
4) High energy efficient HVCA and refrigerating systems.
5) Optimisation of the electrical system.
6) Integration of natural and artificial lighting.
7) Diffuse use of led lighting for internal and external lighting.
8) Building automation systems to control lighting, heating, cooling, etc.
The goals of the project were clear:
• significantly reduce operational costs compared to similar stores,
• improve the quality and service levels;
• realise a building with a low environmental impact;
• increase the comfort and liveability of the indoor environment for customers and employees.
This building in Formigine is the third supermarket in Italy reaching the LEED Gold certification under the LEED for Retail 2009 rating system with a score of 70/100.
Coop Alleanza 3.0 choses an already developed brownfield as construction site. The first intervention was the demolition of the abandoned buildings of Distillerie Bonollo S.p.A. and the remediation of the hazardous substances measured in the site. The second phase was the construction of the building.
In the Sustainable Sites category, we earned credits for the following strategies: brownfield remediation, development located in densely built areas; proximity to services and use of alternative transportation; protection of local habitats; maximisation of open spaces; reduction of heat island effect through the realisation of roof and non-roof surfaces with high solar reflectance materials.
The sustainable management of the construction site required the general contractor to perform the continuous implementation of best site management practices and weekly inspection. The erosion and sedimentation control plan (ESC plan), mandatory to obtain the LEED certification, has been integrated within the site security plan already expected for this site.
10 out of 10 is the result achieved in the Water Efficiency category: maximum reduction of domestic water consumption by installing high efficient aerators for each faucet as well as double flush wcs with water-stop. Thanks to a dual network, the system is provided with rainwater harvested and properly filtered. Native and adaptive plans and no use of potable water for irrigation has allowed reaching the best performance in this area.
ENERGY & ATMOSPHERE
In the Energy & Atmosphere category we pursued and obtained credits for dynamic energy modelling, on-site renewable energy production and refrigerant management.
One of the key feature is that the building benefits of natural lighting inside, thanks to the introduction of solar tubes on the roof. Artificial lighting system is updated to the currently available technologies, with the aim to reach the right mix of innovation and cost control.
MATERIAL & RESOURCES
In the Material & Resources category, it was possible to reach the use of more than 50% regional materials and to go over 20% of recycle content for materials permanently installed in the building. A construction waste management plan was developed to identify the recyclable waste streams and optimise the sites for collection and storage. In the construction phase 99% of waste production was diverted from landfill and recycled.
INDOOR ENVIRONMENTAL QUALITY
A healthy environment is fundamental in a site for the preparation and sale of foodstuffs. For that reason, the Indoor Environmental Quality category was subject to a careful analysis both during the design and the construction phase. For each AHU outdoor air monitoring systems were implemented to verify continuously the right operation of machines and air treatment systems. High efficient filters, increase of the indoor ventilation, carpets at the entrance guarantee an effective protection of pollution coming from the outside.
During the construction phase an indoor air quality management plan was developed requiring the use of product with low emission of pollutants, to protect the health of construction workers as well as the benefit of end users.
The accurate design and realization of thermal comfort and daylight are two other measures adopted to guarantee the wellbeing of workers and customers.
To protect and maximise the health and comfort of occupants and to have a direct benefit in ordinary and extraordinary systems management, a flush-out before occupancy was performed, allowing to completely ‘wash’ and perfectly clean the whole indoor air volume.
For credits in the Innovation Area, COOP Alleanza 3.0 developed a specific “Green Cleaning” policy, which requires for the building the use of cleaning products with low or zero impact on the environment and indoor emission of pollutants.
Furthermore, a Green Educational program is active, constituted by an informative path with special signs that highlight the sustainable features of the building; periodically, COOP Alleanza 3.0 organises a tour through the building to show the sustainable path leading to the construction of the building.
The presence of a LEED AP, which coordinated the integrated design phase and supported the general contractor both on the construction site and during the development of credits for the construction phase, allowed the team to work in a synergistic way, optimising efforts and resources, and reaching the prestigious goal that COOP Alleanza 3.0 had set.
506.00 KW/m² (160.401 KBtu/ft²)
Annual carbon footprint:
N/A (N/A )
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Coop Alleanza 3.0
Building services engineer:
Michele De Beni
Green certification consultant:
Matteo Rigo, Studio Associato Vio
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