PERMFILE54992

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: OLD
• Section_Exhibit Name: EXHIBIT 25p Pavement Evaluation & Recommendation, Fish Creek Borehole Access Road
• Media Type: D
• Archive: No

• Fish Creek Borehole Access Road
Minimum Structural Number(MSN) required = 1.36
Average Existing Road Base Section = 7" (fair to poor condition)
Existing Structural Number (ESN) = 7(0.08) = 0.56
Required Structural Number =MSN -ESN = 1.36 - 0.56 = 0.80
Gravel Section Required, using 2 inches of Class Vl Base Course = > (0.80 - 2(0.14))/0.10 = 5.2 = >
Use 6 inches of pit tun subbase gravels and 2 inches of Class VI Base Course.
West Refuse Pile Haul Road
East I/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 pit run subbase gravels and 4 inches of Class VI Base Course.
• West 1/2 of Roadway
Minimum Structural Number(MSN) required = 2.26
Gravel Section Required, using 4 inches of Class VI Base Course = > (2.26 - 4(O.14)~.10 = 17.0 = >
Use l7 inches of pit run subbase gravels and 4 inches of Class V[ Base Course.
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