LIFFRÉ
CONSTRUCTION DE LA STATION D’ÉPURATION DE LIFFRÉ
Maître d’ouvrage : Ville de Liffré
Maître d’œuvre : BUREAU D’ETUDES SCE
Montant du projet : 1459474 € H.T
- Fondations : 52 pieux forés de 420 mm prof. 5 m
- Ensemble de bassins accolés : Décanteur lamellaire 6.00 x 6.00 x 6.10 ht
- Anaérobie 7.30 x 15 x 5.9 ht, aération 20 x 15 x 4.4 ht – ensemble = 1 800 m3
- Stockage boues digérées Ø 9.50 x 6.00 ht volume 390 m3
- Digesteur secondaire Ø 7.30 x 8.70 ht = 270 m3
- Digesteur primaire avec dalle de couverture Ø 8.90 x 9.30 ht = 495 m3
- Poste de relèvement Ø 2.70 x 2.40ht
- Aire de stockage boues chaulées 20.20 x 10.30 x 2.00 ht = 412 m3
- Locaux techniques associés au process = 106 m2
- Dalles extérieures associées au process = 220 m2 – Locaux d’exploitation = 59 m2
- Filtration 4.70 x 3.00 x 3.80 ht – Canal de comptage long. 6.40 m
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