The subject of the Public Contract Renewal is a green city park in Roznov, according to project documents processed by the business Landscape Architecture Ltd., Špilberk 217/2, 602 00 Brno, ID 469 91 450 from August to September 2015 and by tender conditions and business conditions sponsor. Required labor and delivery are precisely defined in the schedule of works, supplies and services, and bill of quantities, which is part of the project documentation cited in the first sentence of this paragraph. The subject of the tender is comprehensive restoration of greenery in the city park in Roznov. The results of the inventory indicates that the implementation of the health of thinning forests is necessary. Health thinning are designed so as to lightness and airiness stand. The finest woods are released in order for them to improve habitat conditions. Proposed thinning heal existing forests and create conditions for their further progressive development. It also will create the necessary conditions for the development of newly planted trees.