|
Doc FX12t~1~ 001 III IIII IIIIIIIII III
<br />>J'xHIBIT 19 999
<br />SEDII\'IENT DESIGN SPECIFICATIONS
<br />VOLUME 2 s~~ ttt~(ff/171 ~l ~
<br />1) Allen Mine Hydrologic Balance of Surface Runoff / ~ ~
<br />" T~3G~ D Cd~/T~='
<br />0 2) Thickener Discharge Plan, 5/31/85 and 3/18/87
<br />0 3) Results of Required Annual Pond Survey -Ponds 006 and 007, 11/10/87
<br />0 4) Refuse Disposal Area Road Design, 9/93
<br />~ 5) Miscellaneous Drainage Supplement
<br />~ West Portal Containment Areas 1 and 2 Sizing - no date
<br />© West Portal Culvert Data C21 through C25, 3/19/87
<br />® MR 40 Culverts 43 and 44, 1/18/92
<br />a TR-23 SAE Demonstration for Seven Sites, 2/19/92
<br />~ West Portal Substation, 9/26/91
<br />o West Portal Water Tanks Area 1, 9/26/91 ~
<br />" West Portal Water Tanks Area 2, 9126/91 '~
<br />v West Portal Core House, 6/18/91
<br />~ East Portal Water Tanks, 5/20/91 '~
<br />o MR 43 Ditch D17 with D33 Included, 3/27/92
<br />s TR 25 Containment Area 1, 6/11/92
<br />" East of the Refuse Belt, 6/20/92
<br />+ West of Refuse Overflow, 6/20/92
<br />" Containment Area 2, 6/11/92
<br />West of Refuse Belt 6/20/92
<br />• o TR-30 New Elk Pumphouse, West Portal SAE, 10114/93`
<br />~ Culvert 49 West of New Elk Hoist House, 10/14/93
<br />e D23A, North Road Ditch, North of the Hoist House, 10!15/93
<br />+ D23B, North Road Ditch, South of the Hoist House, 10/15/93
<br />~ SAE for Contaminated Topsoil, 10/15/93
<br />o TR-31 Ditch 24 & 24A, Culverts C34, C35, C36, C46, C47, 12/3/93
<br />Culvert C48 on Ditch D26, 12/3/93
<br />m TR-33 D18 from Head to 960' West, 10/8/93 ~
<br />" ~ O SAE Demo, Topsoil Pile 2, NW of Plant, 11/29/93 /~
<br />e TR-35 East Side of Dev Coal Waste Pile SAE, 7/6/94
<br />o TR-38 Refuse Area Ditch D35C and Culvert C58, 3/7/95
<br />• Refuse Area Ditch D36, 3/7/95
<br />+ Refuse Area Ditch D35D, 3/9/95
<br />° Refuse Area Ditch D35A, 3/9/95
<br />R Refuse Area Culvert C57, 3/23/95
<br />~ 6) Ditch 17B and Culvert C50, 12/2/93
<br />VOLUME 3
<br />7) TR27 and NOV C-93-037, 11130!93
<br />° 8) TR-39 Drainage Calculations 5/9/95
<br />~ 9) Pond 004, 1995 As-Built Survey (TR-39), 9/26/95
<br />. • 10) New Elk D4, South Side of Dev Waste Pile, 8/29/97
<br />e 11) New Elk Dev Waste Pile, D10, 100-Yr Ditch, 8/29/97
<br />0 12) Postmining Drainage Calculations, 10/23/97
<br />(Revised 9/01/98)
<br />
|