 At another level of the chamber, there were encountered blades and lamellae.The IPPC "Serviços de Arquelogia da Zona Centro" ("Centro Zone Archaeological Services" intervened at the site in 1988, with archaeological excavations under the direction of Raquel Vilaça.This led to the 1990 work to consolidate the site, including supporting two pillars with iron and cement, drainage to the north pillar and repairing fragments that were encountered spread in the surrounding area.