Ontario Power Generation's Response to the Joint Review

Serge Clement 1011170042-TM-G2100-0001-01
Tetra Tech
December 23, 2011
Table 3: Inflows through the Cracked Concrete Liner over the Top 190 m of the Shaft – 3 m Grouted Zone
Formation Thickness Concrete Liner Kh (m/s) Inflows (usgal/min)
(m) uncracked 2,500 yr
100,000
yr
What if
Scenario
1
8/10
What if
Scenario
2
uncracked 2,500 yr
100,000
yr
What if
Scenario
1
Lucas 35.2 10 -11 10 -10 10 -8 10 -7 10 -6 0.0 0.1 9.6 42.9 80.8
Amherstburg 38.4 10 -11 10 -10 10 -8 10 -7 10 -6 0.0 0.3 11.2 25.4 31.7
Bois Blanc 50.1 10 -11 10 -10 10 -8 10 -7 10 -6 0.1 0.6 19.2 35.7 40.2
Bass Islands 43.8 10 -11 10 -10 10 -8 10 -7 10 -6 0.1 0.7 13.6 18.5 19.2
Salina G 7.6 10 -11 10 -10 10 -8 10 -7 10 -6 0.0 0.1 0.3 0.3 0.3
What if
Scenario
2
Total thickness 175.1 Total Inflow = 0.2 1.8 53.9 122.8 172.2
For hydraulic conductivities of the rock formations, before and after grouting, refer to Table 1 and Figure 1.
Table 4: Inflows through the Cracked Concrete Liner over the Top 190 m of the Shaft – 4 m Grouted Zone
Formation Thickness Concrete Liner Kh (m/s) Inflows (usgal/min)
(m) uncracked 2,500 yr
100,000
yr
What if
Scenario
1
What if
Scenario
2
uncracked 2,500 yr
100,000
yr
What if
Scenario
1
What if
Scenario
2
Lucas 35.2 10 -11 10 -10 10 -8 10 -7 10 -6 0.0 0.1 9.4 41.0 74.9
Amherstburg 38.4 10 -11 10 -10 10 -8 10 -7 10 -6 0.0 0.3 10.4 22.4 27.3
Bois Blanc 50.1 10 -11 10 -10 10 -8 10 -7 10 -6 0.1 0.6 18.0 32.3 35.9
Bass Islands 43.8 10 -11 10 -10 10 -8 10 -7 10 -6 0.1 0.7 12.7 17.0 17.6
Salina G 7.6 10 -11 10 -10 10 -8 10 -7 10 -6 0.0 0.1 0.3 0.3 0.3
Total thickness 175.1 Total Inflow = 0.2 1.8 50.9 113.0 156.0
For hydraulic conductivities of the rock formations, before and after grouting, refer to Table 1 and Figure 1.