Cable Location Service helps builders and designers concerning the location of underground pipes and cables.
The city's centralised underground pipeline and structure location service, the Pipeline Information Service (JOPA), serves those involved in digging, excavation, excavation and design work.
To obtain the documents required for excavation work, use the e-documentation form https://asiointi.hel.fi/wps/myportal/sahkoinen-asiointi/static/johtosel… , or book an appointment for by phone.