A
Air-release valve, 57
Altimeter, 66
Anchor blocks 3, 105
checklist,119
construction, 108
design, 109, 119
example, 115
location, 107*
sizing, 119
Anchor rod, 31
B
Bench cut, 66
Bio-engineering works, 134
Bottom intake
description, 32
design, 35
example, 36
trashracks for, 33
Bursting disc, 91,128
Break pressure tank, 57
C
Canals
capacity, 48
concrete, 42
construction, 67-69
crossings, 55
design, 50-53
earth, 41
economics, 48
example, 51
excavation, 67
ferrocement, 42
headloss, 48
lining, 43,45,46,47,67
masonry, 48
oil drum, 42
roughness, 51
sediment transport, 50
seepage, 48
semi-circular concrete, 40
setting out, 66
side slopes, 48
stability, 53
stone masonry in mud mortar, 39
stone masonry in cement, 39
timber, 41
types, 41
CIVIL WORKS GUIDELINES FOR MICRO-HYDROPOWER IN NEPAL
179
Index
velocity, 48,51
Check dams, 138
Coanda intake, 135
Components of micro-hydro, 2
Crossings, 2,55
Cross drainage, 13
Culvert, 35
Curing, 69
D
De-beader, 137
Design flow procedure to establish 11
Diversion weirs (see weirs)
Diversion works
checklist, 37
Draft tube, 3
Dry stone wall, 131
E
Efficiency in power equation, 3
Excavation, 47, 133
Expansion joints, 199
Escapes, 2
example, 182
inHDPEpipes,98
in mild steel pipes, 98
in in PVC pipes, 98
sizing, 98
Spillweirs, 2
Spillweirs, 2
Overflow, 2
F
Fall velocity of sediment, 71
Flood risk, 12
Flow
design calculations, 53
estimation, 10-11, Appendix A
Flow Duration Curve, 11
Flume
ferrocement, 42
Flushing
frequency, 79
vertical pipe method, 75
Forebay 2, 70, 81
checklist, 84
design, 80
pipe level, 80
size, 80
Forces
frictional, 114