Runoff embankments chuhcu Flashcards
embankment ht for SFR
less than 5m
pond area for SFR
1500 m2
maximum slope for SFR
15%
inside slope for SFR
3:1
outside slope for SFR
2:1
diversion channel depth
0.75 m
buffer strip sa SFR for plants
1-2m
dam height for SRIS
15-35m
dam height for SWIS
5-15m
service area for SWIS
25-150 ha
maximum slope for SWIS
18%
contour interval for topographic survey sa SWIS
0.5 m
scale for topographic survey for SWIS is
1:2000
for dead storage calculation sa SWIS, naka base sha sa pila ka yrs nga sediment accumulation?
25 yr
minimum width of crest for SWIS
4 m (for maintenance purposes)
Upstream slope sa SWIS
2.75:1
downstream slope sa SWIS
2.5:1
thickness when riprap is used
200 mm
20 cm
embankment shall be compacted by layers of
20 cm
rocktoe has usually a height of BLANK of the hydraulic head
1/3
SPIS type of charge controller
MPPT
Maximum power point tracking
SPIS type of charge controller
PWM
pulse width modulation
The PV modules shall be able to withstand a minimum gustiness and uplift of
180 kph
The spatial distance between each PV modules should be at least
20 mm