Renowacja jazu na zbiorniku wodnym Spała na rzece Gać

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Renovation of the weir at the Spała water reservoir on the Gać River 1. The subject of the contract is the design and execution of the “Renovation of the weir at the Spała water reservoir on the Gać River”. 2. The detailed scope includes: 2.1. securing the construction site (temporary barriers, marking) 2.2. dismantling wooden barriers 2.3. driving in sheet piles 2.4. dewatering the site during construction 2.5. manual excavation 2.6. cleaning the abutment wing walls 2.7. filling defects in the walls 2.8. securing the surfaces with a solution 2.9. laying a bentonite mat 2.10. securing the bentonite mat with geotextile 2.11. making drainage from perforated pipes 2.12. securing the pipes with geotextile 2.13. making backfill from sand 2.14. backfilling the excavation with soil from the excavated material with a bentonite additive, compacting in layers of thickness 30 cm 2.15. removal of excavated material 2.16. installation of previously dismantled barriers 2.17. sowing the slopes with grass, fertilizing, overseeding and mowing. 3. The detailed description and scope of the subject of the contract include the design guidelines provided, bill of quantities for the works constituting…

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