Tenders Are Invited For Preparation Of A Specialized Dendrological Examination Of 16 Trees Growing In The Areas Administered By The Real Estate Management Department In The Mokotów District Of The Capital City Of Warsaw. Warsaw.

The Subject Of The Order Is A Service Consisting In The Preparation Of A Specialized Dendrological Examination Of 16 Trees Growing In The Areas Administered By The Real Estate Management Department In The Mokotów District Of The Capital City Of Warsaw. Warsaw. Dendrological Expertise Requires Specialized Research Work Using An Acoustic Tomograph Or By Carrying Out A Static Or Dynamic Load Test And Includes, In The Case Of Each Of The 16 Trees Listed In Annex No. 1 To The Opz: A) Assessment Of The Health Condition Of The Root System, Stem, Trunk And Crown, Including Inspection Of The Crown For The Presence Of Defects, Fruiting Bodies Of Pathogens, And The Possibility Of Branch Breakage, With Particular Emphasis On Forks And The Possibility Of Making Phytosanitary Cuts, B) Assessment Of The Degree Of Threat Posed By Individual Trees To People And Property - Resulting From The Assessment Of The Phytosanitary Condition And The Intensity Of Use, Based On The Research Referred To In Point 3, C) Recommendations For Actions To Minimize The Risk Of Events Resulting From The Phytosanitary Condition Of Trees, Including The Required Scope Of Care Work To Be Carried Out Together With A List Of Materials Necessary For Their Implementation, D) Possibly Indication Of Trees To Be Removed - With No Prospects Of Chance Safe Development In The Perspective Of 5 Years, In The Case Of Which Taking Care Activities Aimed At Minimizing The Risk Is Not Justified, E) Indication Of The Recommended Frequency Of Re-Dendrological Assessment, F) Verification In Terms Of The Presence Of Hollows That Create The Possibility Of Settlement And Nests, And In Terms Of The Presence Of Inhabited Tree Cavities And Inhabited Nests Within Them On The Day Of The Study, As Well As The Occurrence Of Protected Species Within The Examined Trees And In Their Surroundings. G) If The Expert Opinion Includes A Recommendation On The Use Of Supporting Technical Activities In The Form Of Ties In The Crown, The Expert Opinion Should Include A Program For Rebuilding The Tree Crown Aimed At Minimizing The Probability Of Breakages In The Crown, Including The Scope And Schedule Of Actions To Be Taken Until The Tie Is Removed Or Replaced (Treated As Temporary Protection). Moreover, A Limit Period Should Be Specified Until Which This Bond Can Remain In The Tree Crown Without Interference,2.In The Case Of 14 Trees, The Assessment Of The Degree Of Threat Posed By Individual Trees To People And Property Should Be Based On Testing Using An Acoustic Tomography, And 2 More Trees Were Qualified To Perform Both Tests, I.E. Acoustic Tomography And A Load Test. 3. The Results Of The Dendrological Examination A) Should Be Presented In A Descriptive Form Covering All The Above-Mentioned Issues And In A Graphic Form, Illustrating, Among Others, Cross-Sections Of The Trunks Of Individual Trees Listed In Annex No. 1 To The Opz, Which Are The Result Of The Acoustic Tomograph Examination, Along With The Height At Which The Ex