The subject of the contract is Comprehensive maintenance of rivers in the area of NW Oświęcim - II stage.

The order was divided into 3 parts:

Part 1 – Maintenance of the Płazanka stream at km 6+600-8+300 msc. Wygiełzów, Babice commune

Part 2 – Maintenance of the Brzeźnicki stream in km 2+400-3+100, msc. Brzeźnica, Brzeźnica commune

Part 3 – Maintenance of the Spytkowicki stream at km 1+000-2+350, msc. Spytkowice, Spytkowice commune

The subject of the contract are maintenance works carried out on the Płazanka stream, which is in the administration of the Oświęcim Water Supervision. The stream at km 6+600-8+300 is located in the village of Wygiełzów, Babice commune, Chrzanów poviat. The scope of works will include: mowing of slopes, local felling of bushes, removal of blockages and shunts from the bottom of the stream, cleaning of slabs on slopes and in the bottom, as well as mesh and stone baskets. The detailed scope of work is specified in the offer estimate and the indicative map constituting an annex to the description of the subject of the contract.

The subject of the contract are maintenance works that will be carried out on the Brzeźnicki stream, which is in the administration of the Oświęcim Water Supervision. The stream in km 2+400 – 3+100 is located in the town of Brzeźnica, Brzeźnica commune, Wadowice poviat.

The scope of work will include: mowing of slopes, local felling of bushes, restoration of trough patency through local removal of nanos. The stream requires maintenance work due to the lush vegetation on the slopes and in the bottom of the stream during the growing season, as well as local shunting and congestion in the stream bed. Excessive accumulation of mineral nanos affects the narrowing of the cross-section of the trough and prevents free flow of surface water. The detailed scope of work is specified in the offer estimate and the indicative map constituting an annex to the description of the subject of the contract.

The subject of the contract are maintenance works that will be carried out on the Spytkowice stream, which is in the administration of the Oświęcim Water Supervision. The stream in km 2+400-3+100 is located in the village of Brzeźnica, Brzeźnica commune, Wadowice poviat.

The scope of work will include: mowing the slopes, restoring the patency of the trough through local removal of nanos along with the removal of the obtained material. The stream requires maintenance work due to the lush vegetation on the slopes and in the bottom of the stream during the growing season, as well as local shunting and congestion in the stream bed. Excessive accumulation of mineral nanos affects the narrowing of the cross-section of the trough and prevents free flow of surface water. The detailed scope of work is specified in the offer estimate and the indicative map constituting an annex to the description of the subject of the contract.