Saubermacher, the world‘s most sustainable waste management company, wants to optimize ineffi cient emptying and reduce CO2 emissions. With the SLOC Smart-Waste total solution, we were able to solve this problem…
Saubermacher Dienstleistungs AG
www.saubermacher. at
Branch: Abfallwirtschaft
Foundation: 1979
Employees: 3.350
Turnover: 320,75 Mio €
Emptying waste bins is a logistical challenge for disposal companies and municipalities. Containers should not be overfilled in order not to damage the cityscape and truck trips to half-empty garbage cans should be avoided. The static collection system currently used cannot ensure this, and the available resources are not used efficiently, and unnecessary CO2 is produced.
With the help of our customer‘s domain knowledge, SLOC developed a universally applicable level sensor as well as a tool for dynamic route planning.
The SLOC Waste Bin Sensor (SWB) measures and calculates directly on-board the information on fill level, lid position, lid openings, temperature and emptying. This data is then transmitted via mobile radio at the times specified by the customer
The SLOC Waste Bin Sensor (SWB) measures and calculates directlyon-board the information on fill level, lid position, lid openings, temperature and emptying. This data is then transmitted via mobile radio at the times specified by the customer.
The SLOC Waste Collection Portal (SWC) transparently displays the container information and automatically creates the optimal route for emptying based on the customer‘s specifications. The perfect route is calculated by a complex algorithm that incorporates all relevant data on vehicle fleet, working time restrictions, collection stations, etc. with the live data from the high-tech sensor as well as its predicted fill level development.
This tour can then be assigned to a vehicle and the driver receives the optimized route via the SWC-App directly on his smartphone or tablet. With this app, he can also document the emptying and any defects that have occurred with a photo.
In addition to solving the inefficient emptying, we were also able to increase safety with the SWB by integrating a rapid fire alarm. Especially in the industrial sector, this function is frequently of great importance
Information of the Fill Level combined with intelligent route planning offers many advantages: Saubermacher can operate more efficiently, cost-effectively and transparently, protect the environment and relieve traffic. In order to test the SLOC overall solution, a pilot project was launched in 2019 in which 300 glass containers were equipped with 600 sensors and the fill levels were initially recorded without optimization
The sensors‘ data provided evidence that more than 30% of the bins had less than a 50% fill level when emptied and were therefore being approached unnecessarily. In contrast, more than 15% of the bins had already been overfilled for an average of more than 8 days and should have been emptied earlier.
Based on this data, emptying was conducted using the optimal routes calculated by the SLOC Waste Collection Portal from January 2020 onwards. As a result, the average duration of overfills dropped to less than 1.4 days – an improvement of about 6.7 days or 83%.
This was achieved despite an increase in glass volumes of up to 25% due to the first Corona lockdown from March onwards.
The ROI calculation of the pilot project, after subtracting the one-time costs for installation and configuration as well as the monthly sensor and portal costs, results in a saving of around 48,000€ p.a. or 27%.
In addition to the financial ROI, there is also a considerable reduction in CO2 emissions and thus a more sustainable and climate-friendly disposal. As a result, 30% or around 27 tons of CO2 emissions per year can be reduced in
the pilot project.
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