ABSTRACT
Estaleiros Navais de Peniche (ENP) participated in an international tender, to design and build two vessels for collecting oil and garbage in harbors and coastal waters. The tender was promoted by a Russian company subcontracted by local port authority and had two main stages:
a) The first stage consisted of a technical proposal, without any reference to costs involved. This first stage was to be used to select a restricted number of participant shipyards that would pass to the following stage;
b) The second stage consisted on presentation of an updated technical construction specification and the respective commercial tender.
