Tenders Are Invited For Maintenance, Removal Of Trees, Fallen Trees And Milling Of Stumps After Felled Trees In The Nadarzyn Commune

1. The Subject Of The Order Includes The Implementation Of The Task Titled: Maintenance, Removal Of Trees, Fallen Trees And Milling Of Stumps After Felled Trees In The Nadarzyn Commune. 2. The Contractor Is Obliged To Perform The Subject Of The Contract, Including The Following Works: 1) Removal Of Trees, Including: A) Securing The Area Within The Area Of ​​The Works Being Performed, B) Removal Of Trees Indicated By The Ordering Party, Including Cleaning Up The Area And Removing The Trees, C) While Carrying Out Works Related To Felling, It Is Necessary To Exclude Threats To The Safety Of People, Cars, Equipment And Damage To Neighboring Trees By Freely Throwing Down Branches, Limbs And Felling Trees. In Such Cases, The Technique Of Sectional Cutting And Controlled Lowering Of Branches With Ropes Should Be Used. 2) Tree Care, Including: A) Sanitary Care Cuts: - Removal Of Diseased, Dead And Damaged Shoots, Branches And Boughs From Tree Crowns In Accordance With The Provisions Of Art. 87A Of The Act Of April 16, 2004 On Nature Protection, - In The Case Of Trees With The So-Called Spring Weeping, E.G. Birch, Hornbeam, Maple, Live Branches Should Be Cut After The Leaves Have Developed; B) Light Maintenance Cuts: - Cuts Loosening The Too Dense Crown In Order To Reduce Wind Resistance In Accordance With The Provisions Of Art. 87A Of The Act Of April 26, 2004 On Nature Conservation, - Size Of Cuts - Up To 30% Of The Crown Weight In The Case Of Trees That Tolerate Cutting Well And Up To 20% In The Case Of Other Trees And Meeting The Condition Of Maintaining The Natural Form Characteristic Of The Species (Variety); C) Corrective Maintenance Cuts: - Cuts Aimed At Eliminating Defects In The Construction Of Parts Of The Crown, In Order To Improve The Structure Of Damaged Trees In Accordance With Art. 87A Of The Nature Protection Act, - They Include: Correction Of The Trees Statics By Relieving Part Of The Crown, Removal Of Branches Growing At A Sharp Angle, Prone To Breaking, Elimination Of Double Conductivity And Equivalence Of Conductors (Dominant Branches And Branches), Lowering The Crown In Order To Prevent Breaking Of The Dominant Branches (E.G. As A Result Of Strong Winds); D) Technical Cuts: - Cutting Of Branches And Branches To Eliminate Collision With Architecture, E.G. Along Communication Routes - Aimed At Ensuring The Safe Use Of Communication Routes In Accordance With Their Intended Purpose, And In Particular Cuts Ensuring Extreme Vertical And Horizontal Visibility On Curves, Eliminating Threats Resulting From Broken Branches And Boughs, - Technical Cuts Resulting From Collisions Between Trees And Buildings (Buildings) Necessitated By The Need To Eliminate Collisions With Roofs, Facades, Building Foundations. E) Cuts That Leave Tears Are Not Allowed, Breaks, Thresholds, Cuts To The Callus, Cuts That Violate The Tissue Of The Trunk Or Branches From Which Part Of It Is Cut Off, F) When Working On Trees, It Is Necessary To Exclude The Risk Of Safety