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Mangdechhu Hydroelectric Project Trongsa, Bhutan

The Mangdechhu hydroelectric project is a 720 MW run-of-river power plant being built on the Mangdechhu River in Trongsa Dzongkhag District of central Bhutan. Encardio-rite was awarded the contract for monitoring of the dam, powerhouse, intake, desilting chamber, surge shaft, pressure shafts and adits.

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Mangdechhu Hydroelectric Project Trongsa, Bhutan

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  1. ONE STOP MONITORING SOLUTIONS | HYDROLOGY | GEOTECHNICAL | STRUCTURAL | GEODECTIC Over 50 years of Excellence through ingenuity PROJECT DOSSIER MANGDECHHU DAM PROJECT OVEREVIEW The Mangdechhu hydroelectric project is a 720 MW run-of-river power plant being built on the Mangdechhu River in Trongsa Dzongkhag District of central Bhutan. Hydroelectric Project Authority (MHPA), which is constituted by the Indian Government and the Royal Government of Bhutan, is developing the project. Project Mangdechhu Hydroelectric Project Location Trongsa, Bhutan Mangdechhu Client Mangdechhu Hydroelectric Project Authority Contractor Jaiprakash Associates Ltd. National Hydro Power Corporation Ltd. (NHPC) Consultants The project will comprise a 101.5 m high concrete gravity dam from the deepest foundation level, two Duration 2012-2018 intake tunnels of 196 m and 150 m length, and a 13.54 km long headrace tunnel capable of discharging 118m³ of water per second. The 152 m high surge shaft has diameter of 13.5 m. Water will be fed to the underground power house through two steel-lined pressure shafts (1,853 m long and 3.5 m in diameter). The main cavern of the underground power house will be 53 m high and 231 m long. www.encardio.com

  2. Monitoring solution Encardio-rite monitoring of dam, power house, intake, desilting chamber, surge shaft, pressure shafts and adits. Turnkey services included: was awarded the contract for Supply of geotechnical instrumentation for the dam and power house  Installation services  Online monitoring of critical parameters and areas  Manual monitoring  INSTRUMENT USED Piezometers: To monitor uplift pressure below the dam & pore pressure of water in the dam body  Strain meter group: To monitor concrete stress and strains  Perimetric and uniaxial joint meters: To monitor linear movement between the block joints  Temperature meter and tele-thermometer  Borehole extensometers: Multi-point and single point installed to monitor deformations  Normal and inverted plumb lines: To monitor tilt of the dam  Load cells: Anchor bolt load cells installed to monitor load on anchors  V-notches: To measure seepage water flow collected in drainage channels  Survey markers and settlement points  Automatic data acquisition system: Commissioned for logging data from above sensors  Strong motion accelerometer: To monitor accelerations in earth due to reservoir seismicity  Web based data management system for online presentation of data at client’s desk  ENCARDIO-RITE ELECTRONICS PVT. LTD. A-7, Industrial Estate, Talkatora Road Lucknow, UP - 226011, India | P: +91 522 2661039-42 | Email: geotech@encardio.com | www.encardio.com International: UAE | Qatar | Bahrain | Greece | Singapore | USA | Bhutan India: Lucknow | Delhi | Kolkata | Mumbai | Chennai | Bangalore | Hyderabad | J&K

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