Picture source: HYDROPHIL
Western Asia
Diagnostic and Rehabilitation Feasibility Study of AlSen Water Treatment Plant in Syria – Lattakia
Assignment location
Syrian Arab Republic
Funding
ICRC - International Committee of the Red Cross
The water supply system of Lattakia & Tartus is one of the biggest drinking water systems in Syria. It is composed of several high-capacity pumping stations operating in sequence and parallel, and currently ensures the delivery of safe and clean drinking water to more than 1.5 million people. The system is run directly by the Water Resources Directorate WRD Lattakia under the Ministry of Water Resources (MoWR) authority. The system is composed of AlSen water treatment plant (for Lattakia city & part of its rural and Tartus rural area), which pumps and treats water from AlSen spring. Several rehabilitation and maintenance works have been conducted from 2002 to 2009. An additional capacity was planned to be ready in 2011 as part of an expansion plan, but the Syrian crisis prevented the implementation till 2019, when WRD Lattakia was able to finish the construction and equipping works. The expansion was put in service as a temporary solution to enhance the water pumping due to the drop in the stations’ efficiency over the last years. With over years of conflict in Syria, the need for repeated maintenance work in Al AlSen is recognisably growing.
The objective of the consultancy measure was to provide a diagnostic of AlSen Water Treatment Plant and propose rehabilitation works, including the compartmentalisation of works and their prioritisation based on risk analysis by components and processes. It optimised the production of water over time and ensured the sustainability of AlSen Water Treatment Plant.
This study described the infrastructure and processes present in AlSen WTP, providing a diagnostic of the status of all systems, clearly identifying the different lines of treatment and interconnection possibilities, determining the maximum production capacity as well as the overall treatment process. The study proposed interventions that ensure restoration of determining maximum capacity and producing preliminary designs, specifications, and bills of quantities for all the rehabilitation works identified.
The study consisted of the following components/deliverables:
Evaluation of the situation of water supply and treatment in AlSen:
- Population served: 1.9 million with projections of 2.5 million in the next 5 years;
- Natural reservoir storage capacity of raw water: 380,000m³;
- Average daily yield: 1 million m³/d;
- 2 pumping stations (one with 6 pumps and one with 7 pumps);
- 6 water tanks;
- Steel pipe settings;
- Filtration system.
Preliminary Study, proposal of the options, and selection of the preferred option for detailed design:
- Water quality;
- Electrical installations;
- System hydraulics;
- Pump sets;
- Mechanical equipment;
- Sand filtration;
- Disinfection;
- Buildings and structures, environmental aspects.
Detailed Study and Design of Best Solutions proposed for the rehabilitation of the Water Treatment Plant:
- Estimated net costs of 2 million EUR;
- Estimated water demand of 300,000 – 450,000 m³ (increasing figure);
- BoQs for replacing pump sets and installing new pumps, incl. water hammer analysis;
- BoQs for new electrical panels, installations, generators, transformers;
- BoQs for new water lab equipment;
- Design of construction works for optimising the inlet to a natural water reservoir;
- BoQs for pipe relaying in the WTP and between the WTP and the reservoir, incl. hydraulic calculations;
- Calculations for sand filtration;
- Specifications for new chlorination system;
- Recommendations for the SCADA system of the WTP;
- Structural design of pump station house;
Capacity Building Program and Support to Operations, incl.:
- Proposal for the reorganisation of the management of WTP;
- Training modules for improving the capacities of operations staff, and
- An environmental monitoring plan for the raw water source.
Picture sources: HYDROPHIL
