Contracting Of The Supply Of Za 0/20, Za 032 Gravel And Aggregates For Support Bed And Filling Of Pipes On Site For The Irrigation Modernization Works Of The Presa De Colomers Irrigation Community, Torroella De Montgrí (Exp. Nº: 23.P21 / Nd-170304-Eo-C24), Within The Framework Of The Recovery, Transformation And Resilience Plan Financed By The European Union - Nextgeneration Eu