Fujairah wastewater treatment plant, United Arab Emirates

References | water supply and sanitation

Wastewater treatment plant Managua / Nicaragua
Wastewater treatment plant Managua
Wastewater treatment plant Managua
DESCPRIPTION OF PROJECT
Within the framework of a programme aimed at improving the waste water situation and at reducing the biological contamination of Lake Managua, we were entrusted with the design and elabo­ration of tender documents of a waste water treatment plant for Managua city, assistance to the Client (ENACAL) during contract negotiation, as well as super­vision of construction and start-up operations.

The subject of the tender was the conclusion of a turn-key EPC contract in compliance with FIDIC, combined with a five-year plant operating contract. The functional tender was based on a treatment process developed by the Consultant which provides for anaerobic ponds followed by trickling filters, as well as an outfall into Lake Managua. Alternate solutions were explicitly allowed.

The present project was preceded by a feasibility study, also prepared by us with the aim of defining the best suited concepts in technical and economical respect.
PROJECT COMPONENTS AND
TECHNICAL DATA
  • Capacity: > 1.09 million p.e.
  • Maximum flow to the treatment plant during wet season: 12,400 m³/h
  • Biological load: BOD5 = 50,000 kg/d
  • Design quality of treated effluent:
    Total suspended solids: 80 mg/l
    BOD5: 30/90 mg/l (filtered / homogenised sample)
    COD: 180 mg/l

BRIEF DESCRIPTION
Preliminary design and preparation of tender documents; construction supervision and commissioning of the waste water treatment plant of Nicaragua city
CLIENT
Empresa Nicaragüense de Acueductos y Alcantarillados, Managua
FINANCING
KfW Entwicklungsbank
SCOPE OF SERVICES
  • Soil-mechanical site investigation
  • Topographical survey
  • Hydrological investigations
  • Hydraulic calculations
  • Design of a basic technical solution
  • Establishment of a polluters' register (discharges from industry and trade)
  • Pre-selection of contractors
  • Tender documents (FIDIC EPC-turnkey)
  • Preparation of an operation concept
  • Tariff study on sewage treatment charges
  • Assistance in contract award
  • Construction supervision
  • Plant commissioning
  • Public awareness building
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