As a reflection of the development of technology day by day, technically more complex and unique solutionsemerge in construction projects. As a result, these projects need to be built by public institutions. In general,public institutions with experience in providing technical pre-defined projects are insufficient to demonstratethe necessary flexibility and reaction in the face of this new situation. For this reason, public institutionsprefer projects that they have already experienced and know their technical characteristics instead of thoseprojects that might provide their needs better and more effectively. Within the scope of public procurementlaw No. 4734 which regulates the purchases of all kinds of goods, services and construction works belongingto the public, the effective and correct implementation of Article 21 (e) arranged for the purchase ofconstruction works with original and complex technical features is high importance for the efficient use ofpublic resources. In this study, it is aimed to show the advantages of the tender method to be used for theprocurement of original and complex construction works to public institutions. First of all, the existing tendermethods will be examined in briefly, and information about Article 21 (e) of the public procurement law willbe provided and the benefits of the method will be presented in the light of a sample application.