PERMFILE109836

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 25q Certification of Haul Road B Extension, West Refuse Pile HR, Fsh Crk Borehole Acc R
• Media Type: D
• Archive: No

• Fish Creek Borehole Access Road
Minimum Structural Number(MSN) required = 1.36
Average Existing Road Base Section = 5" (fair to poor condition)
Existing Structural Number (ESN) = 5(0.08) = 0.40
Required Structural Number =MSN -ESN = 1.36 - 0.40 = 0.96
Gravel Section Required, using 3 inches of Class VI Base Course = > (0.96 - 3(0. l4))/0. l0 = 5.4 = >
Use 6 inches of pit run subbase gravels and 3 inches of Class Vl Base Course.
West Refuse Pile Haul Road
East 1/2 of Roadway
Minimum Structural Number(MSN) required = 2.26
Average Existing Road Base Section = 0"
Existing Subbase Gravel Section = 12" (good condition)
Existing Structural Number (ESN) = 12(0.10) = 1.20
Required Structural Number =MSN -ESN = 2.26 - 1.20 = 1.06
Gravel Section Required, using 4 inches of Class VI Base Course => (1.06 - 4(0.14))0.10 = 5.0 =>
Use 5 inches of pi[ run subbase gravels and 4 inches of Class Vi Base Course.
• Wes[ I/2 of Roadway
Minimum Structural Number(MSN) required = 2.26
Gravel Section Required, using 4 inches of Class VI Base Course = > (2.26 - 4(0.14))0.10 = 17.0 = >
Use 17 inches of pi[ run subbase gravels and 4 inches of Class VI Base Course.
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