Design/Construction, Sanitation Projects in Four Cities

Cancellation of Tender because of unsatisfactory bidders’ requirements!

Requested Services:

Design and built services for sanitation projects (sewage systems and wastewater treatment plants - WWTP) in four Costa-Rican Cities

• Golfito: Activated sludge wastewater treatment plant with nitrogen and chemical phosphorus elimination; population of approx. 7,200 inhabitants; amount of wastewater (incl. infiltration): 28 l/s; main collectors: approx. 9,600 m of sewage pipelines (NW 150-300 mm) plus 9 pumping stations
• Jacó: UASB reactor plus trickling filter; population of approx. 38,400 inhabitants; amount of wastewater (incl. infiltration): 120 l/s; main collectors: approx. 22,000 m of sewage pipelines (NW 150-600 mm) plus 7 pumping stations
• Palmares: UASB reactor plus trickling filter plus research complex (different simple treatment technologies); population of approx. 31,600 inhabitants; amount of wastewater (incl. infiltration): 71 l/s; main collectors: approx. 18,000 m of sewage pipelines (NW 150-375 mm) plus 6 pumping stations
• Quepos: Trickling filter wastewater treatment plant; population of approx. 28,500 inhabitants; amount of wastewater (incl. infiltration): 104 l/s; main collectors: approx. 13,900 sewage pipelines (NW 150-300 mm) plus 8 pumping stations