2004-2006 Gravity Irrigation of the Lands of Vayots Dzor Marz
The Client: “Water Sector Development and Institutional Improvements PIU” SE, Ministry of Agriculture
For construction of this project the implementation of the following works were required:
- Renewal and widening of the existing intake dam near Village Germon, to supply water to the operating Power Plant (Water intake № 1);
- Construction of a new intake dam (Water intake № 2) at the distance of nearly 2.9 km downstream the river;
- Each water intake will supply water via separate pipelines that run along the same route to the Vernashen Pumping Station;
- The lengths of main water lines beginning from the intakes № 1 and № 2 are 19.12 km and 16.18 km respectively that consist of steel pipes of 1000 mm in diameter (except for 4.21 km long initial part of the water line from intake № 2 that consists of ø 1200 mm steel pipes), equipped with required control air release vents and emptying gate valves and counters located in wells.
The following main scopes of works have been executed:
| 1. Earthworks | 457 705 m3 |
| 2. ø 1020 mm pipe laying | 39 800 m |
| 3. Metallic work-pieces | 34,14 t |
| 4. External insulation of pipes | 39 840 m |
| 5. Internal flashing of the pipelines | 114 575 m2 |
| 6. Concrete and reinforced concrete | 3560 m3 |
| 7. Making of expansion and movement joints | 359 m |
