STEP DRAWDOWN TEST DATA PLOT = Drawdown data. X = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
BOREHOLE NO:NPM14S
DATE TESTED 4/5/2011 DISCHARGE RATES (Q) Q1 = 0.36 l/s Q2 = 0.80 l/s Q3 = 1.67 l/s Q4 = 0.00 l/s Q5 = 0.00 l/s Q6 = 0.00 l/s S.W.L = 5.96 m.b.g.l.CONSTANT DISCHARGE TEST DATA PLOT = Drawdown data. = Recovery data. LOCALITY
Phalaborwa
Foskor NPM Phase II
PUMPED B.H. NO:NPM14S
DATE TESTED 5/5/2011 Q = 0.82 l/s. S.W.L = 6.01 m.b.g.l. T = 7.32 m²/daySpec. Cap. = 0.094 m3/day/m
0 1 2 3 4 5 6 7 8 1 10 100 1000 10000 D ra w d o w n s (m) Time t (min.) R e s idua l D ra w do w n s ' ( m) . (T+t)/t 0 5 10 15 20 25 0.1 1 10 100 1000 D ra w do w n s (m) Time ( t ) mins.
