District IV - Regulatory checks on trees in roads and GA/KSP

… for work and orientation. They do not constitute an exhaustive list of the trees to be inspected. As part of the inspection, the contractor must therefore update the existing data to the actual situation on the spot. The tree inspections are carried out in accordance with the applicable FLL tree inspection guidelines as a visual inspection in the form of a "technically qualified inspection" from the ground. If necessary, simple tools such as binoculars, slurry hammers, sap knives, measuring tape, probe rod must be used. These tools shall be provided by the Contractor. According to the FLL - Tree Control Directive, the basic registration and assessment of trees must be carried out by persons with sufficient expertise. The executing tree inspectors must complete the training as FLL-certified tree inspector, specialist agronomist tree care or B. Sc. have successfully completed arboristics or have a comparable qualification. In addition to the required qualifications (FLL-certified tree inspectors or equivalent), practical experience of at least 2 years in carrying out tree inspections is required. In addition, unambiguous knowledge of the German language (minimum language level "C1") as well as of the German and scientific nomenclature is required. The qualification and practical experience of the designated responsible staff must be demonstrated upon submission of the tender and updated during the engagement period in the event of a change of staff or for representative arrangements. The controllers responsible must be able to identify damage and harmful symptoms in accordance with the FLL Tree Control Directive and assess them according to their nature and extent, but also in their entirety and their mutual interaction, whether and, if so, what further action is needed. Extensive knowledge of ZTV tree care, in the current version, is a prerequisite for this. The tree checks and the related other tasks may only be carried out after the relevant evidence of the above requirements has been submitted in advance. The tree inspections are carried out within the control areas specified by the contracting authority (collectives). A collective is defined as the entire area of an urban plot of land, including any existing tree population. Depending on the sublot, the control areas include in particular: Sublot 1: Roads and sections of roads, including existing trees, Sublot 2: Green spaces, playgrounds and other municipal green spaces and open spaces with trees to be checked Within each control area, the actual number of trees subject to checks must be fully identified and checked. The tree registers and GIS data provided by the client serve as a basis for work and orientation. However, the control is not on