Conservation of the outer wall of the southeast curtain wall of Kuressaare Castle.

The bidder, as well as members of its management, administrative or supervisory bodies, procurators and persons with power of representation, must not have been finally convicted within the last five years for participation in a criminal organisation, corruption, fraud, terrorist offences or offences linked to terrorist activity, money laundering or terrorist financing, child labour or human trafficking. If any exclusion ground applies, the bidder may submit evidence of self-cleaning measures where permitted. The machine-readable notice did not set out all exclusion grounds in full; the remaining grounds must be checked in the tender documents.

The bidder must be entered in the relevant professional register in its country of establishment and, for this contract, must hold an MTR registration for carrying out construction works on heritage-protected sites. The bidder must also be registered in the commercial register. The financial requirement is an annual turnover of at least EUR 200,000. In addition, the bidder must have professional liability insurance of at least EUR 70,000. For technical capacity, the bidder must have carried out at least 2 limestone wall construction works on heritage-protected sites in the last five years and must provide evidence that those works were properly performed. The tender price must be submitted in the structure required by the contracting authority. The machine-readable notice did not set out all qualification or compliance requirements in full; the remaining requirements must be checked in the tender documents.