consideration. As supporting documents for each project reference the  Contracting authority  may request statements issued by the  clients and take contact with them.  The tenderer must prove experience with the specification and the development of web- based information systems for knowledge management. Minimum level of capacity  Experience with the specification and the development of  web-based information systems with a total contract value  for the tenderer of €250,000.00. Basis for assessment  Evidence  This criterion applies to the tenderer as a whole, i.e. the  combined capacities of all  involved entities .  A list of at least three projects ongoing or completed in the  last five years preceding the tender submission deadline that  meet the minimum level of capacity. The list shall include  their start and end date, total project amount and scope, role  of the tenderer and amount invoiced by the tenderer. In case  of projects still ongoing only the portion completed before  the  tender  submission  deadline  will  be  taken  into  consideration. As supporting documents for each project reference the  Contracting authority  may request statements issued by the  clients and take contact with them.  The tenderer must prove experience in the field of event organisation Minimum level of capacity  Experience with the organisation of both working group or  committee meetings with at least 20 invited stakeholders  and public events targeted to professionals with at least 50  attendees.  Basis for assessment  This criterion applies to the tenderer as a whole, i.e. the  combined capacities of all  involved entities .  Evidence  A list of at least three projects ongoing or completed in the  last five years preceding the tender submission deadline  where the tenderer organised working group or committee  meetings with at least 20 invited stakeholders external to the  project. The list shall include their start and end date, total  project amount and scope, role of the tenderer and amount  invoiced by the tenderer. In case of projects still ongoing  only the portion completed before the tender submission  deadline will be taken into consideration. As supporting  documents for each project reference the  Contracting  authority may request statements issued by the clients and  33 Criterion T4  Criterion T3 