Water Resources Management

Masterplan for the diversion works considering hydrologic data, environmental issues and hydro-power energy use

This study was separated at three phases. The documents required at each phase were:
A Phase
- The identification of appropriate competent authorities
- Register of protected areas
- Economic analysis of water uses. Recovery of the costs of water services including environmental and resource costs
- Alternative proposals of flexible water pricing policies
- Characterisation and typology of surface water bodies. Initial and further characterisation of groundwater bodies.

The project seeks to provide a specific, actionable plan for combating desertification based on emerging technologies piloted in parts of the basin and quantify the expected impact of this plan on the water balance and local economy.
Specific project objectives include:
1.Engage stakeholders to identify major impacts of desertification in Pinios and existing applications of new technologies and techniques (agriculture).
2. Identify and assess the effectiveness of all existing initiatives, pilots and experimental applications of new technologies.

A set of necessary works are suggested, along with water conservation and environmental objective target measures.
A full exploration of possible solutions is carried out in the Water Resources Management study, including hydrological and resources modeling.
The works proposed include
    o Dam 56m high, earthfill
    o Dam 32m high, earthfill or RCC
    o Water treatment Works (major) for 100.000 EP
    o Water treatment Works (secondary) for 40.000 EP

The project involves the extension of the existing pipeline to a wider area, covering potable water needs around the island, substituting weak underground resources.
The pipeline design extends to a total of 130km and includes numerous related infrastructure such as control tanks and devices and pumping stations.

The project mainly consists of a water resources management study. The Karla basin (1,000km²) with its current status and use of surface and underground resources is evaluated.
Part of the current use is pumping of subsurface water for the supply of the greater Volos area, the largest nearby city with a projected future population of 150,000.
- In this study the water budget was examined, taking into consideration all surface and underground resources, along with the river Pinios flows

The dam is 56 m heigh. It is of rockfill type with an impervious clay core, upstream and downstream rock cells, spillway, spillway delivery canal and flip bucket
- The Lasithi plateau diversion to the Aposeslemis reservoir includes a TBM excavated 3,5km long and 14% steep tunnel
- The water treatment plants include pre-ozonation, coaggulation, sedimentation, filtering, post-chlorination and sludge treatment
- The main pipelines from the dam to the water treatment plant, ~ 8 km long, consist of D1200 and D1100 steelpipes and 2 tunnels (1590, 2050m long).