Laserfiche WebLink
DocuSign Envelope ID: 197F5956-19D6-4F92-82DE-3E2CEC3A7F29 <br /> Is__i"" <br /> July 9, 2020 <br /> Page 3 <br /> 9. Regarding Page 11 in the SEDCAD run for the 10 year storm,please explain why the trap efficiency <br /> increased to 66%fi^om 0%with this submittal. <br /> Response: Please see response to comment 6. <br /> 10. Regarding Page 4 in the SEDCAD run for the 25 year storm,please explain why the total runoff <br /> volume out of structure 92 increased significantly while the peak discharge decreased significantly with <br /> this submittal. <br /> Response: Please see response to comment 6. <br /> Also enclosed please find revised materials for this adequacy response, and a change of index <br /> sheet to ease incorporation of these materials in to the permit. If you have any questions,please contact <br /> Tony Tennyson at(970) 824-1232 or tennyson a>,tristategt.org. <br /> Sincerely, <br /> DocuSigned by: <br /> B70D69F114324DE... <br /> Daniel J. Casiraro <br /> Senior Manager <br /> Environmental Services <br /> DJC:JSS:der <br /> Enclosures <br /> cc: Frank Ferris (via email) <br /> Chris Gilbreath(via email) <br /> Tony Tennyson(via email) <br /> File: G474-11.3(21)b-4 <br /> NV EQUAL OPni° FiPiUNITY4AN"'Fib"uPVNA"P Nk"ASP'NION i ihJM..0)"ER <br /> A Touchstone Ene:rgy'Cooperative <br />