STEP DRAWDOWN TEST DATA PLOT = Drawdown data. X = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
BOREHOLE NO:NPM9D
DATE TESTED 30/3/2011 DISCHARGE RATES (Q) Q1 = 1.00 l/s Q2 = 2.44 l/s Q3 = 5.20 l/s Q4 = 10.40 l/s Q5 = 0.00 l/s Q6 = 0.00 l/s S.W.L = 29.21 m.b.g.l.CONSTANT DISCHARGE TEST DATA PLOT = Drawdown data. = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
PUMPED B.H. NO:NPM9D
DATE TESTED 6/4/2011 Q = 4.80 l/s. S.W.L = 29.21 m.b.g.l. T = 0.086 m²/daySpec. Cap. = 0.137 m3/day/m
0 5 10 15 20 25 30 35 40 1 10 100 1000 10000 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 0.1 1 10 100 1000 D ra w d o w n s (m) Time ( t ) mins.
