Two Filters For The Outdoor Swimming Pool Of The Llobregat Sports Park (Pell) In Cornellà De Llobregat, (With Supply Planning: One, Before The Summer Of 2026, And The Other, Before The Summer Of 2027), With The Following Tasks: - Dismantling The Existing Filter And Transporting It To The Landfill, With Accreditation Through Certification. - The Supply Of The New Filter With Pptp Specifications And Its Installation And Assembly, And Connection To The Pool'S Water Filtration System, Until It Works Correctly. - The Supply Of Flint Sand. - The Supply Of Butterfly Valves To Close The Installation And Be Able To Replace The Filters With The Swimming Pool In Operation And Thus Improve The Sustainability Of The Water Purification Pipeline System, Where Applicable, At The Discretion Of The Contract Manager. - Installation And Assembly. - The Use Of Lifting Means Necessary To Extract The Filter To Be Replaced And The Sand; As Well As To Place The New One And Fill It With Sand Again. - The Assignment To The Execution Of The Object, Of Any Personal Means, Material Or Auxiliary Means Necessary To Realize The Object. - The Use Of Auxiliary Means Of Lifting Must Be Carried Out By Qualified Personnel.