Tender for Atomic object from the dynamic acquisition system (in advance), it is the supply of different tipolog materials with respectful means of transportation with the environment in order that the maintenance service of the city area of land, transition and planability can be reached by supply and/or smaller services to perform maintenance jobs in the public space and municipal equipment in the holy municipal population of feudrelude. the materials of different tipologies that want to be acquired via the present one corresponds to the following categories: categories Category 1: Build material and up to Category 2: Painting material and even Category 3: Feretry material and even Category 4: materials of carpenters and up to 5 category: minery material and even Category 6: Fresh concrete Category 7: mine shop gas Category 8: natural stone Category 9: Chemical and Build 10 category: electricity Category 11: lampistia A company will be able to present in the sed in one or more categories as long as it meets the requirements intended for the folds. For each category, there will be homologised by one or more companies which will be presented in the first summons or throughout the full vigence of the sda. The selected companies will be able to participate in the later requests to be convinced (depending on specific contracts) in the terms of the plenarys. specific contracts will be asked for each of the categories and can include one or more products. companies will have to offer all the products that apply to each specific contract.