Prequalification shall be based entirely upon the capability of prospective bidders to perform the particular contract satisfactorily, taking into account, inter alia, their : (a) experience of and past performance on similar contracts, (b) capabilities with respect to personnel, equipment and plant, and (c) financial position. A sample of factors to be evaluated in prequalification is shown in Annex I. A clear statement of the scope of the contract and the requirements for qualification (criteria) shall be sent to all those wishing to be considered for prequalification.