Sam Ziemann From - Region of Waterloo

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CALCULATION OF SPECIFIC CAPACITY FROM STEP TEST DATADrawdown Discharge Specific SpecificStep S Rate Drawdown CapacityQ S/Q Q/S(metres) (L/s) (m/(L/s)) (L/s/m)0 0 01 0.86 5.0 0.17 5.82 1.76 10.0 0.18 5.73 2.85 15.0 0.19 5.34 4.07 20.0 0.20 4.9CALCULATION OF THEORETICAL SPECIFIC CAPACITY BASED ON LINEAR GRAPHICAL RELATIONSHIPSpecific Drawdown = S/Q = cQ + bwhere:c = slope of Specific Drawdown (Y) vs Discharge Rate (X)Q = Discharge Rateb = "Y-intercept" of Discharge (X) vs. Specific Drawdown (Y) lineS = Drawdown[m/(L/s)][m/(L/s)^2][L/s][m/(L/s)][m]b= 0.158 [m/(L/s)]c= 0.002 [m/(L/s)^2]Discharge CalculatedRateDrawdownQ S(L/s)(m)5.0 0.810.0 1.815.0 2.920.0 4.0AVAILABLE DRAWDOWN18.3 m(Available drawdown = the static level (mBGS) - the depth to the top of screen or bedrock surface (mBGS))MAXIMUM RATE BASED ON AVAILABLE DRAWDOWN62.5 L/SEC825 IGPMClient/ProjectHydrogeological AssessmentStrange Street Water Supply Class EA UpdateRegional Municipality of WaterlooTable No.3TitleCalculation of Potential Well Capacity
HYDROGEOLOGICAL ASSESSMENTSTRANGE STREET WATER SUPPLY CLASS EA UPDATEREGIONAL MUNICIPALITY OF WATERLOOAPPENDIX CLOTOWATER TECHNICAL SERVICES INC. REPORTS
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Pressure (kPa)K18/K19 Well House to
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Figure 4a - Existing ConditionsPump
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Figure 6a - Existing System w/Combi
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Figure 8a - Existing ConditionsWell
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Figure 10a - Future System w/Combin
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MD-80 CATALYTIC MEDIAIRON, MANGANES
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NR - Pressure FiltersHorizontal and
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Napier-Reid Ltd.Pressure FiltersSal
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APPENDIX EHydrogeological Assessmen
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HYDROGEOLOGICAL ASSESSMENTSTRANGE S
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July 23, 2010Lisa Lachuta, P.Eng.Pa
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TECHNICAL MEMORANDUM A1 -STRANGE ST
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TECHNICAL MEMORANDUM A1 -STRANGE ST
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TABLE 1SUMMARY OF GROUNDWATER ANALY
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Sam Ziemann From - Region of Waterloo

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