$^{19}$ Wherever for a bullet point a list is given and, in absence of further specifications, the “,” separating each item  of the list shall be intended as “or”.  d. Minimum 1 referenced contract must have been performed  upon takeover of a production grade information system from a third party(ies) and resulting in a seamless  transitioning of operations activities.  6. Each of the contract references must cover at least 2 of the  following minimum requirements, and each minimum requirement  must be fulfilled by at least one contract reference:  - Overall value of the contract of at least 1 million EUR for the  whole duration;  - Client was an institution/company with over 500 staff  members in total;  - Services were performed on the basis of a Service Level  Agreement (including, among others, service levels,  performance indicators for monitoring performance and a  compensatory system for underperformance) or equivalent;  7. All referenced contracts as a whole shall cover the elements listed  below as indicated 19 :  a. Implementation of ITIL practices (or equivalent) supported by  the use of professional ticketing and knowledge management  tools (e.g. Remedy)  –  minimum 3 references  b. Software Development Life Cycle tools supporting Agile and  DevOps (e.g. Microsoft Azure DevOps, Git, chef, Nexus,  Jenkins, etc.)  –  minimum 3 references  c. Angular, NodeJS, OSGI, Java EE or equivalent Java or  JavaScript technologies  –  minimum 3 references  d. Automated software testing methodology and integrated  tooling (e.g. Microsoft Azure DevOps)  –  minimum 3 references  e. Oracle Data Integrator or equivalent ETL tools  –  minimum 2  reference  f. SAP Business Objects or equivalent business intelligence tools  (e.g. Power BI etc.) –  minimum 2 reference  g. Apache Hadoop, Spark, Hive, Python or equivalent data  processing technologies  –  minimum 2 references h. Apache Kafka or equivalent stream processing technology  – minimum 1 reference  i. ElasticSearch, LogStash, Kibana, Grafana or equivalent  – minimum 2 references  j. Docker, Docker Swarm, Kubernetes or equivalent  –  minimum  1 reference  25