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Parkdale Quarry Amendment #1-Bond Phasing Calculations <br />Apri12008 <br />Phase II descriptions for stormwater ponds, access road, topsoil stockpiles, overburden stockpiles, berm, <br />Tallahassee Creek bridges, and railroad spur are the same as the reclamation Phase I calculation. <br />Granite Quarry Phase III (Year 22) <br />This phase of the Quarry operation is characterized by active mining in Area 4. It is assumed that <br />reclamation is complete along the northern mining face of Area 1 and Area 2. It is also assumed that <br />reclamation is in process for the eastern portion of the Area 3. This phase uses the same assumptions in <br />terms of unit costs as Phase I. This phase is assumed to take place at year 22 of the mining operation. <br />The key differences between Phase III and Phase I are as follows: <br />• Reclamation of approximately 160 vertical feet of 2,430 linear feet of the active mining face in <br />Area 3. This aspect also includes the replacement of topsoil to 6-inches, seeding and mulching, <br />and reseeding the area. <br />• Reclamation of approximately 10 surface acres of mining benches. This aspect includes the <br />replacement of topsoil to 6-inches, seeding and mulching, and reseeding the area. <br />Phase III descriptions for stormwater ponds, access road, topsoil stockpiles, overburden stockpiles, <br />berm, Tallahassee Creek bridges, and railroad spur are the same as the reclamation Phase I calculation. <br />6~Page <br />