"The length of the tunnel is 19 km, the depth of the collector is from 8 to 35 meters...The tunnel is being built using the microtunneling method ".

19-kilometer tunnel will consist of 34 shafts and 16 chambers. "Today, 13 km of pipelines are almost ready".

https://gorod24.online/simferopol/news/240485-kollektor_glubokogo_zalojeniya_v_simferopole_za_11_mlrd_gotov_na_70.html