Go to http://cern.ch/adams and request access to EHN1-NP. Reason can be NP04 DAQ work.
Access to the Cryostat Roof
Go to Impact -> Create Activity. In the 'Location' field, please use NP-Roof-NP04 and in 'Access points' use YDALC01-NP04 (se attachment). The impact should be linked automatically to the door access control.