The 'Object Of' This Hiring Is To Carry Out The Actions Of The `` Lot 1. Elimination Of Allochthonous Vegetation '', `` Lot 2. Fluvial Morphological Adequacy And Land Movements' 'And `` Lot 3. Restoration Actions With Revegetation And Arrangement Of The' Social Use ', Included In The Basic And Executive Project Of The Improvement Of The' Ecological State In Ripoll In Sabadell. The 'Purpose Of The Action Is The' Elimination Of 'Impacts, The' Eradication Of 'Invasive Species, The Improvement Of The Geomorphology Of The Adjacent Slopes And The Channel, The Recovery Of Ecological Connectivity And The Environmental Improvement Of The Stream With Bioengineering Systems, The Planting Of' Trees, 'Shrubs And Helophytic Vegetation, The Introduction Of' Native Fauna, The Improvement Of The Protection And Accessibility Systems, And The Placement Of Informative Posters Of The Environmental Improvements And The Ecological And Heritage Values ​​Of The Site. The Area Of ​​The Scope Of Intervention Is 8,450 M². In Detail For Each Lot: Lot 1. Elimination Of Allochthonous Allochthonous Vegetation 2. Fluvial Morphological Adequacy And Lot Land Movements 3 Restoration Actions With Revegetation And Arrangement Of Social Use