Dumkhar Dam

Dumkhar Dam is a proposed 45 MW run of the river power project on the Indus river in the Leh district of Ladakh, India. The project cost is Rs. 5,274.5 million including interest during construction at June, 2003 price levels.[1]

Technical specifications

Dam
Type: Concrete gravity dam
Height of dam above: 42 m
Length of dam at top: 220 m

Diversion tunnel
Number: 2
Dia & Shape: 10 m dia horse shoe
Length: 450 m

Reservoir
Full reservoir level (FRL): El 2856 m
Maximum water level (MWL): El 2856.0 m
Min.Draw Down Level (MDDL): El 2853.0 m

Gross storage
at FRL: 26.4 Mcum
at MDDL: 23.0 Mcum
Area under submergence at FRL: 2.85 km2

Spillway
Design flood: 4650 m3/s
Type: Orifice type
Crest elevation El 2830 m
Number & size of spillway opening: 4 No, 8.2 m x 12 m
Energy dissipation: Stilling Basin
Length of spillway: 56.8 m

Intake
Invert level: El 2841 m
Number: 3
Size of gate opening: 3.2 m x 4.0 m
Trash rack: Inclined type

Penstock
Number: 3 Nos
Size: 4 m dia
Shape: Circular
Design discharge: 67.23 m3/s

Power house
Type : Surface
Size
Machine Hall: 50 mX 19.5 m
Service Bay: 23m X 19.5m
Installed capacity: 3X15 MW
Number of units: 3 Nos
Type of turbine: Vertical shaft Kaplan
Maximum gross head: 32m
Rated net head: 27.83 m

References
  1. "Preliminary Feasibility Report Dumkhar HE Project 3 X 15 MW" (PDF). Ministry of Power. Archived from the original (PDF) on 3 March 2016. Retrieved 15 June 2013.
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