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Doc Date:12/11/2001 <br />iii iiiiiiiiniii iii <br />sss <br />• EXHIBIT 2.05-E3 <br />DRAINAGE AND SEDIMENT CONTROL PLAN <br />TABLE OF CONTENTS <br />INTRODUCTION <br />This exhibit contains all Drainage and Sediment Control (DSC) calculations from Appendices B, B1, <br />and B2 of the original permit for those drainage structures which still exist except for those structures <br />which have been modified and the original calculations superseded by new calculations. This exhibit <br />also includes all revised design calculations for existing stmcmtes that have been modified and new <br />design calculations for those structures added subsequent to 1997. All DSC calculations for <br />strucmres or Small Area Exemptions (SAE's) which no longer exist or have been superseded by ne~v <br />DSC calculation have been eliminated. Exhibit 2.05-E3 is organized and presented under the <br />Following sections: <br />Section 1 - East Yazd Pond Design Calculations (Designed by M. O. Anderson in 1980, certified <br />by William Reitze in 1984, revised in 1995) <br />Section 2 - Design Calculations for 108" Elk Creek Culvert (Designed and certified by James <br />Stover in 1992, reevaluated by James Stover in ]994) <br />Section 3 - Design Calculations for the Sanborn Creek Portal Area, Haul Road and Conveyor <br />Belt Corridor (Designed and certified by James Stover m 1991, revised in 1993; ` <br />Includes Maps 5-018, S-019, 5-020, 5-021) S R~6 <br />Section 4 - Drainage and Sediment Control Calculations for Hubbard Canyon Ventilation <br />Facilities (Designed by M. O. Anderson in 1981, revised in 1994 and certified by <br />James Stover) <br />Section 5 - Methodology and Assumptions for Hydrology and Sedimentology Calculations <br />(Designed and terrified by Thomas E Leidich -Montgomery \C/atson in 1997, revised <br />in 2000) <br />Section 6 - Revised and New Pond Designs (Designed and certified by Thomas E Leidich - <br />Montgomery Watson in 1997, revised in 2000) <br />Section 7 - Revised and New Channel Designs (Designed and certified by Thomas E Leidich - <br />Montgomery Watson in 1997, revised in 2000) <br />Section 8 - Revised and New Culvert Designs (Designed and certified by Thomas E Leidich - <br />I\lontgomery \Y/atson in 1997, revised in 2000) <br />Section 9 - Revtsed and New SAE's and Alternative Sediment Controls (ABC's) (Designed and <br />certified by Thomas E Leidich -Montgomery Watson in 1997, revised in 2000) <br />Section 10 - SEDCAD Hvdrology Computer Printouts (Designed and certified by Thomas E <br />. Leidich -Montgomery \\/atson in ] 997, revised in 2000) <br />Section 11 - Channel Hydrauhcs Computer Printouts (Designed and certified by Thomas E <br />Leidich -Montgomery \Vatson in 1997, revised in 2000) <br />Section 12 - Design Cerutlcations <br />