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2022-03-23_PERMIT FILE - M2021059
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2022-03-23_PERMIT FILE - M2021059
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Last modified
3/23/2022 9:39:25 AM
Creation date
3/23/2022 9:31:03 AM
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Template:
DRMS Permit Index
Permit No
M2021059
IBM Index Class Name
Permit File
Doc Date
3/23/2022
Doc Name
Adequacy Review Response #2
From
Telesto
To
DRMS
Email Name
PSH
JLE
Media Type
D
Archive
No
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To: Mr. Peter Hays <br />Date: March 21, 2022 <br />Page 10 <br /> <br /> 20220314_DRMS_Adequacy_Review_Response_MASTER.docx <br /> <br />Comment 6 <br />The Telesto response states that flow into Cell 3 starts at 8,000 cfs (70-yr event). In the <br />November submittal this value was 4,000 cfs. Please explain why this changed <br />considerably. <br />Response 6 <br />The river flow rate at which water begins to enter Cell 3 changed significantly between the <br />November and the February submittals because the control of flows entering the pits was <br />revised between these two submittals. Specifically for Cell 3, as discussed in Response 5, <br />a pit inlet weir was added to the north and northwest sides of the pit and the inlet weir on <br />the northeastern corner of the pit was modified. This pit inlet weir effectively serves to <br />prevent river water from entering Cell 3 at the northeastern corner at relatively low flow <br />rates. <br /> <br />Sincerely, <br />Telesto Solutions, Inc. <br /> <br /> <br /> <br /> <br />Walter L. Niccoli, PE <br />Principal/Senior Engineer <br /> <br />WLN:wsc <br />Enclosure <br />cc:
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