STEP DRAWDOWN TEST DATA PLOT = Drawdown data. X = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
BOREHOLE NO:NPM10D
DATE TESTED 11/4/2011 DISCHARGE RATES (Q) Q1 = 0.20 l/s Q2 = 0.45 l/s Q3 = 0.90 l/s Q4 = 1.56 l/s Q5 = 0.00 l/s Q6 = 0.00 l/s S.W.L = 14.11 m.b.g.l.CONSTANT DISCHARGE TEST DATA PLOT = Drawdown data. = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
PUMPED B.H. NO:NPM10D
DATE TESTED 12/4/2011 Q = 0.20 l/s. S.W.L = 14.87 m.b.g.l. T = 0.046 m²/daySpec. Cap. = 0.009 m3/day/m
0 10 20 30 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 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 0.1 1 10 100 1000 D ra w d o w n s (m) Time ( t ) mins.
