The objectives of the Works are to design the Second Stream of Wastewater Treatment Process for the treatment capacity of 9,000 cu.m./day to raise the Airport to 18,000 cu.m./day. The treatment plant shall include the tertiary treatment process for recycled water.
The scope of the design of the Wastewater Treatment Plant Second Stream includes the following tasks:
- Review as built construction drawings for the first stream wastewater treatment process already constructed;
- Detailed design of the Second Stream of Wastewater Treatment Process for the treatment capacity of 9,000 cu.m./day to raise the Airport to 18,000 cu.m./day. The treatment plant must include the tertiary treatment process for recycled water. The Wastewater Treatment Plant Second Stream shall include the following treatment units and associated facilities:
- Central sewage collection tank
- Screen and grit chamber
- Bioreactor
- Clarifier
- Return and excess sludge pump
- Tertiary treatment
- Air blower building
- Sludge dewatering building
- Recycled control building
- Chemical storage area
- Sludge holding tank
- Electrical building
- Soil bed filter
- Treatment process piping
- Electrical system
- Mechanical system
- Structural design
- Civil works
- Preparation of Tender Documentation including :
- Instructions to tenderers and tender forms
- conditions of contract
- detailed drawings
- detailed specifications
- detailed bills of quantities.
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