A group of initial tests are performed to assess the suitability of the cuts and the loading process. Samples of Moleano Limestone with 4 mm radius notches have been tested for this purpose, all of them prepared by Chausal Company. The tests consist of four-point bending tests.

Part of the specimens prepared by Chausal Company are sent to Portugal. There,  the Frontwave company is responsible for making notches with a radius less than 4 mm.