Small Hydro Development in Nayar river valley in Lesser ... - ESHA

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Comparative Physical Features and Costs of Rectangular RCC Section & Trapezoidal lined section Channel Geometry Base width meter Depth meter Velocity m/sec Discharge cumec Cost Rs. Million Trapezoidal section- cement concrete lined 2.50 2.50 1.89 13.26 39.27 Rectangular- RCC 2.75 2.75 2.15 13.15 57.60 As the cement concrete lined trapezoidal section is cheaper by about 32%, the same has been adopted. 34
FOREBAY Forebay’s Active Volume made equal to 30 sec water requirement of the power plant at rated load. PENSTOCK As length of penstock is less, two separate penstocks used feeding its turbine 35
Page 1 and 2: Small Hydro Development in Nayar ri
Page 4 and 5: Project Area 4
Page 6 and 7: VIEW OF THE DIVERSION DAM SITE FOR
Page 8 and 9: VIEW OF THE DIVERSION DAM SITE FOR
Page 10 and 11: River Discharge in cumec 400 350 30
Page 12 and 13: SELECTION OF DIVERSION STRUCTURE Th
Page 18: UNGATED OVERFLOW TYPE WEIR Has the
Page 25 and 26: DIVERSION WEIR To be designed to p
Page 27: DE-SILTING BASIN The rivers in the
Page 31: Stone Masonry POWER CHANNEL Larger
Page 38 and 39: FIXATION OF INSTALLED CAPACITY Con
Page 40 and 41: TURBINE PARAMETERS AND SETTING Wit
Page 44 and 45: F.S.L. Trash Rack GATE Motor operat
Page 46 and 47: PROJECTED FINANCIAL PERFORMANCE Cha

Small Hydro Development in Nayar river valley in Lesser ... - ESHA

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