: Allows for specific project adjustments, such as execution conditions, by selecting different alternatives within a single work unit.
The database is divided into thematic by type of work or material, similar to standard Spanish construction price databases (like the CIM or the Generalitat’s BEDEC ), but customized for railway infrastructure. base de base de precios adif 2021
The BPA serves as a ceiling for budget creation, meaning prices listed are considered the maximum allowable limits : Allows for specific project adjustments, such as