REV07470

• Permit No: C1980005
• IBM Index Class Name: Revision
• Doc Date: 8/26/1991
• Doc Name: SENECA II MINE C-80-005 TR 22
• From: PEABODY COAL CO
• To: MLRD
• Type & Sequence: TR22
• Media Type: D
• Archive: No

Typical SEDCAD Input
Impoundments
Line Typical
Code Parameter Input
GRASS FILTER:
29 No. of filter legs; hydrograph print opt; Generally Not Applicable to
bulk specific gravity; initial depth of Impoundment Design
sediment
hydrograph print option - "1"=NO, "2"=Yes
30 Manning's n; grass height; filter length; Generally Not Applicable to
grass spacing; filter slope; filter width; Impoundment Design
infiltration rate; stiffness factor
[Repeat line code 30 for each filter segment]
[Return to line code 12 for next structure]
• CHECK DAM:
31 bed slope; porosity; Manning's n; sideslope; Generally Not Applicable to
dam height; hydrograph print opt Impoundment Design
hydrograph print option - "1"=NO, "2"=Ves
[Return to line code 12 for next structure]
NONERODtBLE DIVERSION:
32 shape; bed slope; sidesl opes; Manning's n; Generally Not Applicable to
bottom width; top width [top width only Impoundment Design
applicable to parabolic channels]
[Return to line code 12 for next structure]
ERODIBLE DIVERSION:
33 shape; bed slope; sideslopes; tAa nning's n; Generally Not Applicable to
bottom width; top width; method Impoundment Design
method - "1" = limiting velocity,
"2" = tractive force
• 34 permissible velocity/tractive force Generally Not Applicable to
ImDOUndmen[ Design
(Return to line code 12 for next s[r ucture]