STEP DRAWDOWN TEST DATA PLOT = Drawdown data. X = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
BOREHOLE NO:NPM16S
DATE TESTED 15/11/2009 DISCHARGE RATES (Q) Q1 = 9.01 l/s Q2 = 15.57 l/s Q3 = 19.07 l/s Q4 = 0.00 l/s Q5 = 0.00 l/s Q6 = 0.00 l/s S.W.L = 48.77 m.b.g.l.CONSTANT DISCHARGE TEST DATA PLOT = Drawdown data. = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
PUMPED B.H. NO:NPM16S
DATE TESTED 18/11/2009 Q = 5.42 l/s. S.W.L = 48.77 m.b.g.l. T = 148 m²/daySpec. Cap. = 0.350 m3/day/m
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 10 100 1000 D ra w d o w n s (m) Time t (min.) R e s id u a l D ra w d o w n s ' ( m) . (T+t)/t 0 1 2 3 4 5 6 7 0.1 1 10 100 1000 D ra w do w n s (m) Time ( t ) mins.
