New construction of a reconstruction as a round pool, diameter 21 meters in 3 lots — lot 4 civil engineering

— lot 5 tank construction,

— Lot 6 Technical equipment.

— Renewal of sections of various open pipelines, such as inlet NKB 2 in PE100 400 x 23.7 approx. 60 m including fittings; drain NKB 2 in PE100 315 x 18.7 approx. 40 m including fittings; return sludge line PE100 225 x 13.4 approx. 35 m including fittings and fittings; filtrate line PE100 140 x 8.3 approx. 16 m and 110 x 10 approx. 5 m incl. fittings and fittings; floating sludge line PE100 110 x 10 approx. 20 m and PE100 225x13.4 approx. 15 m including fittings and fittings; basement drainage pipe PE100 40 x 3.7 approx. 25 m; various construction lines,

— New storm sewer DN 200 approx. 75 m with connection to the front. Duct, 4 pieces of trays DN 800,

— Wrapping waste water duct DN 200 KG approx. 15 m with connection to the front. Duct, 1 piece DN 800,

— Construction of drainage lines DN 100 approx. 75 m with drain line DN 200 kg approx. 40 m and 2 pieces of trays DN 400,

— Installation of cable pipelines DN 100 approx. 800 m in parallel installation 2-4 pieces including 8 cable pulls,

— excavation and foundation production in preparation for the construction of a monolithic distribution structure DN 3500 including installation, excavation depth up to 1.5 m

— excavation and foundation production in preparation for the construction of a monolithic drainage structure LxWxH 5.2 m x 2.5 m x 3.2 m including installation, pit depth up to 2.6 m,

— excavation and foundation production in preparation for the construction of a monolithic secondary clarification tank DN 21000, including installation, excavation depth of up to 7 m in the hopper area,

— excavation and foundation production in preparation for the construction of a precast station,

— Approx. 240 m2 surface restoration or refabrication, mainly asphalt, rectangular paving and paving slabs.

— construction of a secondary clarification tank DN 21000 as a reinforced concrete structure; height of external wall 5.0 m; hopper height 8.05 m; central dome DN 3000,

— construction of a DN 3500 ferro-concrete distribution system with a spring pot,

— Construction of a drain, measurement and sampling well LxWxH 5.2 m x 2.5 m x 3.2 m in reinforced concrete construction.

— New construction of a clearing bridge for a reconnaissance, round basin diameter 21 meters,

— conversion of sludge pumping station,

— Equipment drainage structure.