Preparatory Survey for Yeghvard Irrigation System Improvement Project
STATE COMMITTEE OF WATER ECONOMY MINISTRY OF ENERGY INFRASTRUCTURES AND NATURAL RESOURCES THE REPUBLIC OF ARMENIA PREPARATORY SURVEY FOR YEGHVARD IRRIGATION SYSTEM IMPROVEMENT PROJECT FINAL REPORT (FR) NOVEMBER 2016 JAPAN INTERNATIONAL COOPERATION AGENCY (JICA) SANYU CONSULTANTS INC. (SCI) ORIENTAL CONSULTANTS GLOBAL CO., LTD. (OCG) 3R CR 16-029 Republic of Armenia Yeghvard Irrigation System Improvement Project SUMMARY OUTLINE OF THE PROJECT 1. Objectives 1) To distribute stable irrigation water to the Project area, 2) To improve agricultural productivity in the Project area by the stable irrigation water, 3) To fulfill the national policies such as; a) conservation of Lake Sevan and b) shifting pump-based to gravity-based irrigation system. 2. Project area and beneficially 1) Irrigation area: 12,347 ha of agricultural land 2) 27 communities in Kotayk, Aragatsotn and Armavir Marzes 3) Number of farm households: 13,574 HHs (Approx. 61,000 persons) as of 2014 3. Main construction facilities Reservoir Irrigation System 1 Capacity 94 MCM 1 Feeder canal 1 Approach canal L=1,160m Q=1.11 - 9.0 m3/s Pipeline φ=1.60m, L=1,600m φ=1.72m, L=1,940m 2 Dam height H=25.55m 2 Feeder canal 2 Concrete open canal W=ave 4.0m, L=330m Q=2.20 - 13.0 m3/s 3 Full Water Level EL.1,305m 3 Outlet canal 1 Pipeline φ=1.20m, L=730m Q=0.22 - 2.33 m3/s 4 Low water level EL.1,290m 4 Outlet canal 2 Pipeline φ=1.72m, L=4,700m Q=0.16 - 12.82 m3/s 3 Dissipater L=500m (Maximum 13.7m /s) 5 Reservoir area 8.08 km2 5 Other canals Rehabilitation Approx.
[Show full text]