To Design and Build the Sewage Treatment Plant & Trunk Sewer for North Kattoli Catchment (Catchment-5) including covering : i) Capacity 50,000 m3/d to fit with both wastewater volumes generated by catchment 5 at the 2035 horizon and spare capacity provided under Catchment 1 project, for which civil works of shared facilities are already planned; ii) Biological treatment (activated sludge), up to present standards in force in Bangladesh, prior to discharge into the Bay of Bengal; iii) Tunnel

Tenders are invited for: To Design and Build the Sewage Treatment Plant & Trunk Sewer for North Kattoli Catchment (Catchment-5) including covering : i) Capacity 50,000 m3/d to fit with both wastewater volumes generated by catchment 5 at the 2035 horizon and spare capacity provided under Catchment 1 project, for which civil works of shared facilities are already planned; ii) Biological treatment (activated sludge), up to present standards in force in Bangladesh, prior to discharge into the Bay of Bengal; iii) Tunnel: 5km-long trunk sewer (approximately 1.2 Km of DN800 and 3.8 Km of DN 1400) bringing wastewater to the shared raw sewage pumping facilities at the inlet of STP-1 & 5 (existing invert chamber level of –10.3m);. Invitation Ref: 46.06.0000.330.007.28.2026-184. Package No: CMSP-5//W1. Ministry: Ministry of Local Government, Rural Development and Co-operatives. Agency: Chittagong Water Supply & Sewerage Authority. Procuring Entity: Project Director, Chattogram Metropolitan Sanitation Project for North Kattoli Catchment. Procurement Method: ICT Open Tendering Method. Source of Funds: Development Budget Loan. District: Chattogram.