Four pilots implement PAYT-KAYT modular tests:

  • Bassano del Grappa (ETRA)
  • Bitetto
  • Varese
  • Sant Just Desvern

Municipality of Bassano del Grappa (ETRA)

Bassano del Grappa is located in the North-East of the Italian peninsula, in the heart of the Veneto region, on the border between the provinces of Vicenza, Padua and Treviso, near the Veneto Prealps (Asiago plateau and Monte Grappa). The city centre extension is 47 square kilometres and is located at 129 meters above sea level, while the municipal area has an altitude ranging between 87 and 1,276 meters above the sea level. There are different areas in the municipal area: the historic centre, high-density residential districts, low-density residential neighbourhoods and hilly or mountain areas. In the area of Bassano del Grappa there are about 4,550 companies (Source ISTAT, 2011). The most relevant sectors of activity are commerce (24.3%) and professional activities (21.3%), followed by manufacturing activities (9.1%), real estate activities (9.1%) and businesses of construction (7.5%).

Main Data

Population (31.12.2019): 42,733
Total area (km²): 47.06
Altitude (m, average): 297.7 m.a.s.l.

View of the Old Bridge in Bassano del Grappa

Streets included in pilot area of Bassano del Grappa

Waste collection system and
tariff regulation (before test)

Waste service managed by
Etra S.p.A.

Main collection system:

  • In the historical centre: for domestic users: door-to-door collection of residual waste, paper and cardboard, light packaging (plastic containers and cans); street collection of organic waste and glass; for non-domestic users: door-to-door collection of all the main fractions of waste.
  • In municipal territory not scattered areas: for all users it’s active the door-to-door collection for all the main fractions of urban waste.
  • In hilly areas, with scattered users: for all users it’s active the street collection for all fractions of waste.
Type of tariff (before test):
PAYT: yes
KAYT:
not in use yet
Separate collection
rate in 2019 (%):
78.3%
Quantity of unsorted waste per capita in 2019:
108.9 kg/inhabitant

Main objectives of the test and expected results

In Bassano del Grappa PAYT is partially implemented and BIGDATA is by now used only for that purpose. ETRA will perform advanced statistics on this data set and use it to optimize its waste collection services. Besides this, ETRA will expand the adoption and the intensity of application of PAYT, introducing stronger criteria to reward citizen’s good behaviour. PAYT will be integrated with KAYT: it will be tested in a portion of Bassano del Grappa Municipality (the collection Area D) in order to raise citizens awareness about their daily-basis waste generation, especially to manage situations like “zero generators”, anomalous data, behaviour over time.

Short description of the test

The KAYT model will involve domestic users and will be implemented as an evolution of the PAYT system already in use; here below the main steps:

A first engagement letter sent by ETRA and Bassano del Grappa Municipality to the citizens of the pilot area: the letter will contain a description of the project “Riciclo e vinco!” (recycle and win!) and an invitation to apply to KAYT sending the mobile number to the platfrom provided by the REthinkWASTE project.

A messaging system: to each domestic users will be assigned a univoque code to be recognized by the platform. The mobile phone numbers collected will be used for sending messaging about personal behaviour on waste and to inform about various issues like for example proper waste differentiation rules, achievement of the whole pilot area, etc.

The engagment of the local shops in the rewarding system: collection of the participation of local shops to be part of the project and therefore make themselves available to get the vouchers that will be drawn at the end of the pilot phase.

Final draw for participating users: the users that that will be registered until the end of experimentation and will have interacted at least once a week with the messages that they will receive, will participate in the draw of vouchers to spend in affiliated shops or will donate them to a local association.

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Municipality of Bitetto

Bitetto is a medium-size city of Puglia region, 17 km from the City of Bari, in Southern Italy. Well known as the “City of Termite Olives”, Bitetto is located in a flat area crossed by the Lama Lamasinata canal, on the slopes of the Murgia plateau. The population is 11,923 (Source: ISTAT, 2019) and the average density is 354 inhabitants/km². The population density is higher in the historical centre and in adjacent areas, where there are several tall buildings. The structure of the city has facilitated the implementation of a door-to-door waste collection since 2016

Main Data
Population (31.12.2019): 11,923 inhabitants
Total area (km²): 33,95
Altitude (m; average): 139 m.a.s.l.

Cathedral of Bitetto

The pilot area includes the whole city of Bitetto

Waste collection system and
tariff regulation (before test)

Waste service managed by
Navita srl

Main collection system:
door-to-door of each fraction for domestic and non-domestic users. Since the implementation of the new collection system in 2016, the main goal of the new approach was to set a system to measure all waste with RFID (Radio Frequency Identification) technology. A kit of bins, one for each type of collected waste, is delivered to all users.
Type of tariff (before test):
PAYT: yes
KAYT: trial
Separate collection
rate in 2019 (%):
78.44%
Quantity of unsorted waste per capita in 2019:
79.29 kg/a inhabitant

Main objectives of the test and expected results

The main objectives of the Municipality are:
• to test the KAYT approach in order to integrate it with the PAYT system already in use;
• to improve the already remarkable performance in terms of seperate collection %;
• to make citizens aware of the KAYT model for the tariff, given that from 2021 the Municipality sends bills for the 2020 period with the calculation of the TARIP.

The expected results are:
• an improvement in the quality of differentiated waste, because beyond the % of separate collection, the % of impurities that must be monitored also count;
• to increase the culture of recycling by making citizens interact with the messaging platform;
• to raise the awareness of Pay-as-you-throw through the Know-as-you-throw approach.

Short description of the test

The pilot area comprehends the whole territory of the municipality of Bitetto. The KAYT model to be implemented consists of:

a first engagement letter sent by the Municipality of Bitetto to citizens: the letter will contain a description of the project and an invitation to participate in the KAYT model. Interested citizens will confirm their participation by sending their mobile number to the platform provided by the project;

the engagement of local shops in order to obtain vouchers for citizens willing to participate in the KAYT model: local shops will be asked to promote vouchers for participating citizens in order to increase the number of vouchers to be spent for the activities in respect to the project budget;

a certain number of eco-coaches will be in charge of information activities in the municipality: they will organize meetings with citizens to check with them the quality of separate waste collection in their buildings and will also be in charge of managing the messaging platform, adapting the style and the number of messages;

assignment of eco-points and vouchers: citizens will be awarded with eco-points if they participate in the project, provide their mobile phone number, participate in personal and collective meetings organized by the eco-coaches, involve other people in the project and improve their behaviour on waste management during the project.

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Municipality of Varese

Varese is located in the north-west of the Italian peninsula, in the northern area of Lombardia region, and it is the administrative capital of the homonymous province. Much of the vast municipal area lies on medium and high-altitude reliefs and in small valleys, with an altitude excursion of over 900 meters. The average altitude is 382 meters above the sea level, while the total area of the municipality is 54.84 square kilometres. The city centre is located quite in a central position of the municipal area; most of economic activities are concentrated in the urban centre and in the districts of Avigno and Masnago, which have similar urban features. Other districts of Varese are Bizzozzero, Bobbiate, Bregazzana, Calcinate del Pesce, Campo dei Fiori, Capolago, Cartabbia, Lissago, Prima Cappella, Rasa di Varese, San Fermo, San Gallo, Santa Maria del Monte, Sant’Ambrogio Olona, Schiranna and Velate. The population density is higher in the historic centre and in next areas, where there are several tall buildings; in the neighbourhoods most of houses are single-family.

Main Data
Population (31.12.2019): 80,634 inhabitants
Total area (km²): 54.84
Altitude (m; average): 382 m.a.s.l.

City Hall, “Giardini Estensi”

The pilot area of Varese, included in the districts of Bustecche, Bizzozero and San Carlo

The pilot area of Varese, included in the districts of Bustecche and San Carlo

The province of Varese in Lombardy Region

Waste collection system and
tariff regulation (before test)

Waste service managed by
Acsm-Agam Ambiente S.r.l.

Main collection system:
door-to-door of each product fraction, both for domestic and non-domestic users.

Type of tariff (before test):
PAYT: no
KAYT:
not in use yet
Separate collection
rate in 2019 (%):
70%
Quantity of unsorted waste per capita in 2019:
151.6 kg/a inhabitant

Main objectives of the test and expected results

The Municipality intention is to introduce PAYT within a couple of years; before that, the idea is to test the KAYT approach in order to see the potential results gained through an intensive communication campaign.

The most interesting goal and indicators are the followings: behavioral change through economic vouchers and through the sole punctual information campaign; number of citizens engaged with the first letter during the implementation phase (i.e. number of mobile phones gathered); economic value of co-financing by local shops; number of citizens becoming eco-coaches; separate collection improvement in a specific buildings after live meetings and after messaging campaign with and without vouchers.

Short description of the test

The KAYT model to be implemented includes:

A first engagement letter sent by Varese Municipality to the citizens of the pilot area (Districts of Bustecche and San Carlo): the letter will contain a description of the project “Riciclo e vinco! (recycle and win!) and the invitation to apply to KAYT sending the mobile number to the platform provided by the REthinkWASTE project.

A messaging system: to each domestic users will be assigned a univoque code to be recognized by the platform. The mobile phone numbers collected will be used for sending messaging about personal behaviour on waste and to inform about various issues like for example proper waste differentiation rules, achievement of the whole pilot area, etc.

The engagment of the local shops in the rewarding system: collection of the participation of local shops to be part of the project and therefore make themselves available to get the vouchers that will be drawn at the end of the pilot phase. Local shops will be asked to co-finance the vouchers for citizens in order to have a bigger amount of voucher to be spent for the activities comparing to the project budget.

The mobilization of residents in social housing area by a local NGO: the goal is to collect more mobile phone numbers and involve into KAYT activities also elderly and more emarginated people.

Eco-coaches: they will be in charge of the information activities in the pilot area, to organize some meetings with citizens to check with them the quality of separate collection in their building and to manage the messaging platform adapting the style and the number of messages.

Assignment of eco-points and vouchers: the users will be awarded with ecopoints if they will participate to the project, in particular giving their mobile phone number, participating to personal and collective meetings organized by the eco-coaches, involving other people in the project, improving their behaviour on waste management during the project, being available to become themselves eco-coachers for the maintenance of the good habits learnt during the project. By reaching a certain number of eco-points, citizens will get a voucher to be spent in the local shops engaged.

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Municipality of Sant Just Desvern

Sant Just Desvern is a town located near Barcelona, in the comarca of the Baix Llobregat (Catalonia, Spain). Sant Just Desvern has a population of 18.670 inhabitants and it is member of the Barcelona Metropolitan Area, which includes 36 municipalities with a population of over 3.3 million.
The area of Sant Just Desvern is about 7.8 km², half of it being part of the Collserola Natural Park, a protected natural area. The difference in altitude between the highest and the lowest locations is about 400 meters, which translates into a complex terrain and steep streets, especially in the areas that border with Collserola. Half of Sant Just’s population lives in detached houses, mainly located in the outskirts, while the town center features residential buildings.
There are two industrial parks located in the southern part of the town. The most important industries are chemical-pharmaceutical, perfume-making, machinery manufacturing, electrical equipment manufacturing and precision instruments. Services also play an important role in the town’s business structure, mainly due to Sant Just’s strategic location close to Barcelona and transport infrastructures, such as the airport.

Main Data

Population (2020): 18,670
Total area (km²): 7.81
Altitude (average): 122 m.a.s.l.

View of the city of Sant Just Desvern

Map of the pilot area

Waste collection system and
tariff regulation (before test)

Waste service managed by
Valoriza Servicios Medioambientales SA

Main collection system:
• for domestic users and small commercial activities: street containers collection for the five fractions (biowaste, paper and cardboard, lightweight packaging, glass and residual waste);
• for big commercial activities: door to door collection with an established timetable for all the different fractions.

Type of tariff (before test):
PAYT: no,
since there is no
waste tariff
KAYT: no
Separate collection
rate in 2019 (%):
58.05%
Quantity of unsorted waste per capita in 2019:
209.2 kg/inhabitant

Main objectives of the test and expected results

The municipality of Sant Just Desvern is currently working on the implementation of a new waste management model in which biowaste and residual waste will be locked, being necessary to get a user’s identification card to open them. This action is aimed at increasing the municipal collection waste rates and stimulate people to a better behaviour related with waste management. All data collected will be used to assess the waste service and at the same time to raise citizen’s awareness. This last goal will be achieved by the implementation of the KAYT approach using a rewarding scheme with discounts at local businesses and thus, involving them to the project. Finally, in the mid-long term the municipality of Sant Just Desvern is willing to introduce a PAYT scheme taking advantage of the data produced by the new waste management model in order to apply the polluters-pay-principle (by the end of 2022).

Short description of the test

The KAYT system will be implemented in parallel with the introduction of the new waste management model described above, based on user’s identification for biowaste and residual waste fractions. The main forthcoming actions that will take place includes the following:

A first engagement letter sent by the city council of Sant Just Desvern to the citizens: the letter will contain a description of the new waste collection model (how the system works, how will be managed the data privacy, as well as the site, day and hour to pick up the electronic card). This letter will also contain a basic description of the LIFE-REthinkWASTE project and the invitation to participate to KAYT by giving their mobile number. Here the strategy to catch the attention and interest of citizens will be to offer them the possibility to gain eco-points by interacting and participating. These eco-points will enable the participants to access to some prizes by drawing.

A messaging system: for all those domestic users who have voluntarily accepted to participate in the KAYT test, their mobile numbers will be collected and used for sending messaging about personal behaviour on waste. In order to do that, the data produced by the new waste model will be crucial to get the necessary information to assess citizen’s participation and thus, to properly inform them.

A rewarding system based on eco-points for accessing prize draws. More eco-points more possibilities to gain prizes and sustainable gifts in local shops and businesses. The users can gain eco-points by interacting with the messaging system and also according to their habits in relation to the new separate collection system.

Monitoring of the new waste model and the KAYT approach: the monitoring of both systems will be a core action in order to make the necessary adjusts according to citizen’s needs. The data produced by the waste management model will be used for the KAYT approach, sending feedback to citizens and helping them to increase their performance. The better they will do, the more rewards they will achieve.

Mid-long term vision: last but not least, the municipality of Sant Just Desvern plans to introduce the PAYT approach towards to the end of the LIFE-REthinkWASTE project (end of 2022), applying the polluters-pay-principle.

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Municipality of Bassano del Grappa (ETRA)

Bassano del Grappa is located in the North-East of the Italian peninsula, in the heart of the Veneto region, on the border between the provinces of Vicenza, Padua and Treviso, near the Veneto Prealps (Asiago plateau and Monte Grappa). The city centre extension is 47 square kilometres and is located at 129 meters above sea level, while the municipal area has an altitude ranging between 87 and 1,276 meters above the sea level. There are different areas in the municipal area: the historic centre, high-density residential districts, low-density residential neighbourhoods and hilly or mountain areas. In the area of Bassano del Grappa there are about 4,550 companies (Source ISTAT, 2011). The most relevant sectors of activity are commerce (24.3%) and professional activities (21.3%), followed by manufacturing activities (9.1%), real estate activities (9.1%) and businesses of construction (7.5%).

Main Data

Population (31.12.2019): 42,733
Total area (km²): 47.06
Altitude (m, average): 297.7 m.a.s.l.

View of the Old Bridge in Bassano del Grappa

Streets included in pilot area of Bassano del Grappa

Waste collection system and
tariff regulation (before test)

Waste service managed by
Etra S.p.A.

Main collection system:

  • In the historical centre: for domestic users: door-to-door collection of residual waste, paper and cardboard, light packaging (plastic containers and cans); street collection of organic waste and glass; for non-domestic users: door-to-door collection of all the main fractions of waste.
  • In municipal territory not scattered areas: for all users it’s active the door-to-door collection for all the main fractions of urban waste.
  • In hilly areas, with scattered users: for all users it’s active the street collection for all fractions of waste.
Type of tariff (before test):
PAYT: yes
KAYT:
not in use yet
Separate collection
rate in 2019 (%):
78.3%
Quantity of unsorted waste per capita in 2019:
108.9 kg/inhabitant

Main objectives of the test and expected results

In Bassano del Grappa PAYT is partially implemented and BIGDATA is by now used only for that purpose. ETRA will perform advanced statistics on this data set and use it to optimize its waste collection services. Besides this, ETRA will expand the adoption and the intensity of application of PAYT, introducing stronger criteria to reward citizen’s good behaviour. PAYT will be integrated with KAYT: it will be tested in a portion of Bassano del Grappa Municipality (the collection Area D) in order to raise citizens awareness about their daily-basis waste generation, especially to manage situations like “zero generators”, anomalous data, behaviour over time.

Short description of the test

The KAYT model will involve domestic users and will be implemented as an evolution of the PAYT system already in use; here below the main steps:

A first engagement letter sent by ETRA and Bassano del Grappa Municipality to the citizens of the pilot area: the letter will contain a description of the project “Riciclo e vinco!” (recycle and win!) and an invitation to apply to KAYT sending the mobile number to the platfrom provided by the REthinkWASTE project.

A messaging system: to each domestic users will be assigned a univoque code to be recognized by the platform. The mobile phone numbers collected will be used for sending messaging about personal behaviour on waste and to inform about various issues like for example proper waste differentiation rules, achievement of the whole pilot area, etc.

The engagment of the local shops in the rewarding system: collection of the participation of local shops to be part of the project and therefore make themselves available to get the vouchers that will be drawn at the end of the pilot phase.

Final draw for participating users: the users that that will be registered until the end of experimentation and will have interacted at least once a week with the messages that they will receive, will participate in the draw of vouchers to spend in affiliated shops or will donate them to a local association.

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Municipality of Bitetto

Bitetto is a medium-size city of Puglia region, 17 km from the City of Bari, in Southern Italy. Well known as the “City of Termite Olives”, Bitetto is located in a flat area crossed by the Lama Lamasinata canal, on the slopes of the Murgia plateau. The population is 11,923 (Source: ISTAT, 2019) and the average density is 354 inhabitants/km². The population density is higher in the historical centre and in adjacent areas, where there are several tall buildings. The structure of the city has facilitated the implementation of a door-to-door waste collection since 2016

Main Data
Population (31.12.2019): 11,923 inhabitants
Total area (km²): 33,95
Altitude (m; average): 139 m.a.s.l.

Cathedral of Bitetto

The pilot area includes the whole city of Bitetto

Waste collection system and
tariff regulation (before test)

Waste service managed by
Navita srl

Main collection system:
door-to-door of each fraction for domestic and non-domestic users. Since the implementation of the new collection system in 2016, the main goal of the new approach was to set a system to measure all waste with RFID (Radio Frequency Identification) technology. A kit of bins, one for each type of collected waste, is delivered to all users.
Type of tariff (before test):
PAYT: yes
KAYT: trial
Separate collection
rate in 2019 (%):
78.44%
Quantity of unsorted waste per capita in 2019:
79.29 kg/a inhabitant

Main objectives of the test and expected results

The main objectives of the Municipality are:
• to test the KAYT approach in order to integrate it with the PAYT system already in use;
• to improve the already remarkable performance in terms of seperate collection %;
• to make citizens aware of the KAYT model for the tariff, given that from 2021 the Municipality sends bills for the 2020 period with the calculation of the TARIP.

The expected results are:
• an improvement in the quality of differentiated waste, because beyond the % of separate collection, the % of impurities that must be monitored also count;
• to increase the culture of recycling by making citizens interact with the messaging platform;
• to raise the awareness of Pay-as-you-throw through the Know-as-you-throw approach.

Short description of the test

The pilot area comprehends the whole territory of the municipality of Bitetto. The KAYT model to be implemented consists of:

a first engagement letter sent by the Municipality of Bitetto to citizens: the letter will contain a description of the project and an invitation to participate in the KAYT model. Interested citizens will confirm their participation by sending their mobile number to the platform provided by the project;

the engagement of local shops in order to obtain vouchers for citizens willing to participate in the KAYT model: local shops will be asked to promote vouchers for participating citizens in order to increase the number of vouchers to be spent for the activities in respect to the project budget;

a certain number of eco-coaches will be in charge of information activities in the municipality: they will organize meetings with citizens to check with them the quality of separate waste collection in their buildings and will also be in charge of managing the messaging platform, adapting the style and the number of messages;

assignment of eco-points and vouchers: citizens will be awarded with eco-points if they participate in the project, provide their mobile phone number, participate in personal and collective meetings organized by the eco-coaches, involve other people in the project and improve their behaviour on waste management during the project.

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Municipality of Varese

Varese is located in the north-west of the Italian peninsula, in the northern area of Lombardia region, and it is the administrative capital of the homonymous province. Much of the vast municipal area lies on medium and high-altitude reliefs and in small valleys, with an altitude excursion of over 900 meters. The average altitude is 382 meters above the sea level, while the total area of the municipality is 54.84 square kilometres. The city centre is located quite in a central position of the municipal area; most of economic activities are concentrated in the urban centre and in the districts of Avigno and Masnago, which have similar urban features. Other districts of Varese are Bizzozzero, Bobbiate, Bregazzana, Calcinate del Pesce, Campo dei Fiori, Capolago, Cartabbia, Lissago, Prima Cappella, Rasa di Varese, San Fermo, San Gallo, Santa Maria del Monte, Sant’Ambrogio Olona, Schiranna and Velate. The population density is higher in the historic centre and in next areas, where there are several tall buildings; in the neighbourhoods most of houses are single-family.

Main Data
Population (31.12.2019): 80,634 inhabitants
Total area (km²): 54.84
Altitude (m; average): 382 m.a.s.l.

City Hall, “Giardini Estensi”

The pilot area of Varese, included in the districts of Bustecche, Bizzozero and San Carlo

The pilot area of Varese, included in the districts of Bustecche and San Carlo

The province of Varese in Lombardy Region

Waste collection system and
tariff regulation (before test)

Waste service managed by
Acsm-Agam Ambiente S.r.l.

Main collection system:
door-to-door of each product fraction, both for domestic and non-domestic users.

Type of tariff (before test):
PAYT: no
KAYT:
not in use yet
Separate collection
rate in 2019 (%):
70%
Quantity of unsorted waste per capita in 2019:
151.6 kg/a inhabitant

Main objectives of the test and expected results

The Municipality intention is to introduce PAYT within a couple of years; before that, the idea is to test the KAYT approach in order to see the potential results gained through an intensive communication campaign.

The most interesting goal and indicators are the followings: behavioral change through economic vouchers and through the sole punctual information campaign; number of citizens engaged with the first letter during the implementation phase (i.e. number of mobile phones gathered); economic value of co-financing by local shops; number of citizens becoming eco-coaches; separate collection improvement in a specific buildings after live meetings and after messaging campaign with and without vouchers.

Short description of the test

The KAYT model to be implemented includes:

A first engagement letter sent by Varese Municipality to the citizens of the pilot area (Districts of Bustecche and San Carlo): the letter will contain a description of the project “Riciclo e vinco! (recycle and win!) and the invitation to apply to KAYT sending the mobile number to the platform provided by the REthinkWASTE project.

A messaging system: to each domestic users will be assigned a univoque code to be recognized by the platform. The mobile phone numbers collected will be used for sending messaging about personal behaviour on waste and to inform about various issues like for example proper waste differentiation rules, achievement of the whole pilot area, etc.

The engagment of the local shops in the rewarding system: collection of the participation of local shops to be part of the project and therefore make themselves available to get the vouchers that will be drawn at the end of the pilot phase. Local shops will be asked to co-finance the vouchers for citizens in order to have a bigger amount of voucher to be spent for the activities comparing to the project budget.

The mobilization of residents in social housing area by a local NGO: the goal is to collect more mobile phone numbers and involve into KAYT activities also elderly and more emarginated people.

Eco-coaches: they will be in charge of the information activities in the pilot area, to organize some meetings with citizens to check with them the quality of separate collection in their building and to manage the messaging platform adapting the style and the number of messages.

Assignment of eco-points and vouchers: the users will be awarded with ecopoints if they will participate to the project, in particular giving their mobile phone number, participating to personal and collective meetings organized by the eco-coaches, involving other people in the project, improving their behaviour on waste management during the project, being available to become themselves eco-coachers for the maintenance of the good habits learnt during the project. By reaching a certain number of eco-points, citizens will get a voucher to be spent in the local shops engaged.

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Municipality of Sant Just Desvern

Sant Just Desvern is a town located near Barcelona, in the comarca of the Baix Llobregat (Catalonia, Spain). Sant Just Desvern has a population of 18.670 inhabitants and it is member of the Barcelona Metropolitan Area, which includes 36 municipalities with a population of over 3.3 million.
The area of Sant Just Desvern is about 7.8 km², half of it being part of the Collserola Natural Park, a protected natural area. The difference in altitude between the highest and the lowest locations is about 400 meters, which translates into a complex terrain and steep streets, especially in the areas that border with Collserola. Half of Sant Just’s population lives in detached houses, mainly located in the outskirts, while the town center features residential buildings.
There are two industrial parks located in the southern part of the town. The most important industries are chemical-pharmaceutical, perfume-making, machinery manufacturing, electrical equipment manufacturing and precision instruments. Services also play an important role in the town’s business structure, mainly due to Sant Just’s strategic location close to Barcelona and transport infrastructures, such as the airport.

Main Data

Population (2020): 18,670
Total area (km²): 7.81
Altitude (average): 122 m.a.s.l.

View of the city of Sant Just Desvern

Map of the pilot area

Waste collection system and
tariff regulation (before test)

Waste service managed by
Valoriza Servicios Medioambientales SA

Main collection system:
• for domestic users and small commercial activities: street containers collection for the five fractions (biowaste, paper and cardboard, lightweight packaging, glass and residual waste);
• for big commercial activities: door to door collection with an established timetable for all the different fractions.

Type of tariff (before test):
PAYT: no,
since there is no
waste tariff
KAYT: no
Separate collection
rate in 2019 (%):
58.05%
Quantity of unsorted waste per capita in 2019:
209.2 kg/inhabitant

Main objectives of the test and expected results

The municipality of Sant Just Desvern is currently working on the implementation of a new waste management model in which biowaste and residual waste will be locked, being necessary to get a user’s identification card to open them. This action is aimed at increasing the municipal collection waste rates and stimulate people to a better behaviour related with waste management. All data collected will be used to assess the waste service and at the same time to raise citizen’s awareness. This last goal will be achieved by the implementation of the KAYT approach using a rewarding scheme with discounts at local businesses and thus, involving them to the project. Finally, in the mid-long term the municipality of Sant Just Desvern is willing to introduce a PAYT scheme taking advantage of the data produced by the new waste management model in order to apply the polluters-pay-principle (by the end of 2022).

Short description of the test

The KAYT system will be implemented in parallel with the introduction of the new waste management model described above, based on user’s identification for biowaste and residual waste fractions. The main forthcoming actions that will take place includes the following:

A first engagement letter sent by the city council of Sant Just Desvern to the citizens: the letter will contain a description of the new waste collection model (how the system works, how will be managed the data privacy, as well as the site, day and hour to pick up the electronic card). This letter will also contain a basic description of the LIFE-REthinkWASTE project and the invitation to participate to KAYT by giving their mobile number. Here the strategy to catch the attention and interest of citizens will be to offer them the possibility to gain eco-points by interacting and participating. These eco-points will enable the participants to access to some prizes by drawing.

A messaging system: for all those domestic users who have voluntarily accepted to participate in the KAYT test, their mobile numbers will be collected and used for sending messaging about personal behaviour on waste. In order to do that, the data produced by the new waste model will be crucial to get the necessary information to assess citizen’s participation and thus, to properly inform them.

A rewarding system based on eco-points for accessing prize draws. More eco-points more possibilities to gain prizes and sustainable gifts in local shops and businesses. The users can gain eco-points by interacting with the messaging system and also according to their habits in relation to the new separate collection system.

Monitoring of the new waste model and the KAYT approach: the monitoring of both systems will be a core action in order to make the necessary adjusts according to citizen’s needs. The data produced by the waste management model will be used for the KAYT approach, sending feedback to citizens and helping them to increase their performance. The better they will do, the more rewards they will achieve.

Mid-long term vision: last but not least, the municipality of Sant Just Desvern plans to introduce the PAYT approach towards to the end of the LIFE-REthinkWASTE project (end of 2022), applying the polluters-pay-principle.

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Sant Just RTW
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