Budowa instalacji kanalizacji deszczowej wraz z 5 podziemnymi zbiornikami retencyjnymi o łącznej pojemności do 50m3 na terenie Szkoły Podstawowej w Niedźwiedziu

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Construction of a stormwater drainage system together with 5 underground retention tanks with a total capacity of up to 50 m3 on the premises of the Primary School in Niedźwiedź The subject of the contract is the construction of a stormwater drainage system together with 5 underground, watertight retention tanks with a total capacity of 50 m3 on the premises of the Primary School in Niedźwiedź, according to the scope indicated in the site development design and the bill of quantities. Scope of construction works: a) stormwater drainage installation (tank ventilation) DN110 PVC-U SN8 SDR34 in accordance with PN-EN 1401-1, with a total length of 26.8 m along the axis of the nodes, b) stormwater drainage installation DN200 PVC-U SN8 SDR34 in accordance with PN-EN 1401-1, c) total length of 320.9 m along the axis of the nodes, d) DN1200 sewage manhole, settling chamber SO.2 – 1 pc., with cast-iron cover class D400, e) inspection chamber PP/PVC DN315 – 18 pcs., with cast-iron cover class D400, f) switching over existing downspout pipes through proprietary gutter inlets to the designed stormwater drainage installation – 11 pcs., g) intake chamber (SC-istn.) – 1 pc. with cast-iron cover…

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