Amazing Spaces: Croppies’ Acre Park Pilot

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Amazing Spaces 


Amazing Spaces is a SBRI project, led by Belfast City Council, which aims to explore how data and innovative technology can help us manage our parks and open spaces, ensuring they are safe, accessible and enjoyed by all. Dublin City Council have partnered with Belfast City Council for this project, providing real world test-beds to trial successful projects.



iSensing Croppy Acre Pilot


iSensing Ltd have successfully secured funding to test their technology and carry out a short pilot in Dublin City Council’s Croppies’ Acre Park. 


The pilot will take place between June 11th to June 19th 2019.


iSensing’s sensor technology will use de-personalised WiFi connection data to find out how many people are visiting the park.


The aim of this pilot project is to keep the park safe and reduce incidents of vandalism and antisocial behaviour, especially after hours when the park is closed.


For more information on iSensing, visit



The Technology 


Two temporary sensors in the park will detect mobile devices (using MAC addresses) when they try to connect to WiFi. The MAC address is captured, immediately hashed (securely pseudonymised), deleted from the device and aggregated.  This process occurs at 15 minute intervals, is not reversible and neither I-sensing nor Dublin City Council are capable of identifying individuals.


The parks department at Dublin City Council will be provided with aggregated data regarding how many people are in the park.



What is a MAC address?


Mobile devices, such as a smartphone or tablet, continually search for a WiFi network to connect to. When searching for a WiFi network, the device sends out a probing request which contains an identifier specific to that device known as a Media Access Control (MAC) address.


If you are near a WiFi access point in one of the pilot project trial areas, Dublin City Council will process device MAC addresses to help better understand how parks and open spaces are being used and to plan improvements. The sensor captures MAC addresses and instantaneously, irreversibly de-personalises that data. Dublin City Council will be able to tell how many people are visiting the area and when, including after hours when the parks are closed, but will not be able to identify individuals.




Will Dublin City Council be able to identify me?


No, Dublin City Council will not be able to identify any individuals. Each MAC address collected during the pilot projects will be de-personalised (pseudonymised) and encrypted to prevent the identification of the original MAC address and associated device.




Can I request a copy of my data?


As Dublin City Council will not be able to identify the original MAC address, because the data has been de-personalised, they will not be able to identify you and so cannot provide a copy of the WiFi data generated by your device.



Further information 


For more information on Dublin City Council’s data privacy see here.

For any queries relating to the Dublin City Council Privacy Statement or Data Protection policies, please contact the designated Data Protection Officer.

Dublin City Council’s Data Protection Officer can be contacted by email or by telephone 01 222 3775.

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