2018-01-31_PERMIT FILE - C1981019A

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 1/31/2018
• Doc Name: South Taylor Erosion Control And Sedimentation Plan
• Section_Exhibit Name: Exhibit 07 Item 20 -ST
• Media Type: D
• Archive: Yes

Table of Contents
Section Page
IntroductoryText............................................................................................................Exh. 7-20-1
Table 4, Summary of Sediment Ponds ...........................................................................Exh. 7-20-2
Table 4, Summary of Sediment Ponds (Historic)...........................................................Exh. 7-20-7
Part A, Section 28 Pond
Summary Text, Section 28 Pond Drainage..................................................................Exh. 7-20A-1
Figure IA-3, Section 28 Pond Design Drawing..........................................................Exh. 7-20A-4
Figure lA-4, Section 28 Pond Drainage......................................................................Exh. 7-20A-5
Figure lA-5, Section 28 Pond Subwatersheds ............................................................Exh. 7-20A-6
SEDCAD Model, Section 28 Pond, 10 Year, 24 Hour Event.....................................Exh. 7-20A-7
Part B, Section 21 Pond (Not to be Constructed at this time)
Summary Text, Section 21 Pond Drainage..................................................................Exh. 7-2013-1
Figure 113-1, Section 21 Pond Drainage......................................................................Exh. 7-20B-2
Figure 1 B-2, Section 21 Pond Subwatersheds.............................................................Exh. 7-20B-3
Figure 1 B-3, Section 21 Pond Design Drawing..........................................................Exh. 7-2013-4
SEDCAD Model, Section 21 Pond, 10 Year, 24 Hour Event.....................................Exh. 7-20B-5
SEDCAD Model, Section 21 Pond, 100 Year, 24 Hour Event.................................Exh. 7-2013-55
SEDCAD Model, Section 21 Pond, 50% PMP, 6 Hour Event..................................Exh. 7-2013-97
Part C, West Taylor Pond
Summary Text, West Taylor Pond Drainage...............................................................Exh. 7-20C-1
Figure 1 C-3, West Taylor Pond Design Drawing .....................................................Exh. 7-20C-3
Figure 1 C-3A, West Taylor Pond As-built ................................................................Exh. 7-20C-4
Figure 1 C-4, West Taylor Pond Drainage, Active Mining Case
Figure 1 C-5, West Taylor Pond Design, Post Mining Case
SEDCAD Model, West Taylor Pond, 10 Year, 24 Hour, Active Mining Case
SEDCAD Model, West Taylor Pond, 25 Year, 24 Hour, Active Mining Case
SEDCAD Model, West Taylor Pond, 10 Year, 24 Hour, Post Mining Case
SEDCAD Model, West Taylor Pond, 25 Year, 24 Hour, Post Mining Case
Part D, Temporary Channel Design
Temporary Channel, 10 Year, 24 Hour Event.............................................................Exh. 7-20D-1
Part E, Permanent Channel Design
Permanent Channels, 10 Year, 24 Hour Event............................................................Exh. 7-20E-1
Part F, Geotechnical Investigations, South Taylor Sediment Ponds
Geotechnical Report.................................................................................................... Exh. 7-20F-1
Part G, Terrace Ditches on Permanent Fill Areas, South Taylor
Terrace Ditch Design...................................................................................................Exh. 7-20G-1
Exh. 7-20-ii Revision Date: 11/15/17
Revision No.: TR-117