The subject of the contract is construction works consisting in the reconstruction of 3 culverts into objects with greater light, along with the strengthening of the banks and the bottom of the ditches and the watercourse, in Niepołomice Forest District (Bocheński District).

Construction works will involve the reconstruction of culverts (PI at 0 + 220 km of the ditch with no name, P4 at km 2 + 180 without the name of the ditch, P5 at km 1 + 120 of the name without ditch) along with the strengthening of the banks and the bottom of the ditches and watercourse in the Gawłówek forestry , on plots No. 2888, 2891, 2878, 2894, 2881 within the registration area of Dziewin [No. 0003], registration unit 120103_2, Drwinia.

Detailed scope of work:

- site preparation for construction,

- reconstruction of the culvert with the construction of abutments at the inlet and outlet in the form of a reinforced concrete abutment with a stone cladding or a concrete wreath and stone cover laid on concrete,

- fixing the edges and bottom of a ditch or a watercourse with a stone coating protected by a wooden palisade,

- fixing of inflows from roadside ditches with a stone coating protected with a wooden palisade,

- restoration and possible correction of grade line of an existing dirt or asphalt road.

3 pieces of lowland lowland retention culverts according to the following table, according to the construction design, STWIORB, take-offs, and the contract (detailed documents describing the subject of the order are in the ToR placed on https://platformazakupowa.pl/pn/lasy_niepolomice)

Task no: 03-17-2.1-01 (object 03-17-2.1-01-1) P1 culvert (arc-circular culvert - steel spiral pipe, light 1.15x0.82 m, length 9.50 m) .

Task no: 03-17-2.1-01 (object 03-17-2.1-01-4) P4 culvert (arched-circular culvert - spiral corrugated steel pipe, light 1.44x0.97 m, length 9.65 m) .

Task no: 03-17-2.1-01 (object 03-17-2.1-01-5) P5 culvert (arc-circular culvert - spiral-corrugated steel pipe, light 1.15x0.82 m, length 9.95 m) .