Laserfiche WebLink
11r. - <br /> Transit Mix Concrete Co. <br /> Table D-1 Expected Salvageable Topsoil by Phase <br /> Mining Affected Salvageable <br /> Phase Area (acres) Topsoil (cyds) <br /> Phase 1 88.47 71,365 <br /> Phase II 22.13 17,853 <br /> Phase III 46.33 37,369 <br /> Phase IV 34.26 27,638 <br /> Phase V 47.85 38,596 <br /> Phase VI 0 0 <br /> Total 239.03 192,820 <br /> Approximately 193,000 bank cubic yards (bcy) of topsoil are expected to be salvaged from the <br /> 239 acres of affected areas in the Plan. This volume may increase or decrease based on the <br /> actual amount of available topsoil. <br /> Transit Mix will store topsoil temporarily in dedicated stockpiles, TS1, TS2, TS3, and TS4 as <br /> shown on Figures C-4 through Figure C-8. Topsoil from Phase I and Phase II will be temporary <br /> stored in TS1, TS2, and TS3; topsoil from Phase III will be temporary stored in TS4; and topsoil <br /> from Phase IV and Phase V will be direct hauled and placed on regraded areas as available. The <br /> topsoil stockpile will be constructed in lifts from the bottom up. These lifts will be approximately <br /> 5 to 10ft in height. The equipment (dozers, trucks, etc.) working on the stockpile will provide <br /> compaction of the material being placed. Water will be diverted around topsoil stockpiles. Topsoil <br /> stockpiles will be surrounded by a berm to prevent topsoil loss. Additionally, stockpiled topsoil will <br /> be seeded with a temporary seed mixture (shown on Table E-6) selected to establish quickly and <br /> prevent topsoil loss due to wind and water erosion, as discussed in the reclamation plan, Exhibit <br /> E. <br /> After the topsoil has been removed and stockpiled, overburden material, unsuitable for processing <br /> during Phase I and Phase II will be removed and hauled to stockpile F1 as shown in Figures C- <br /> 4 through Figure C-5. During Phase III, overburden material, unsuitable for processing will be <br /> removed and hauled to stockpile F1 and in-pit backfill F2 and F3 as pit floor area is available. <br /> Additionally, fines generated from processing the granite and diabase will be hauled to stockpiles <br /> F1, F2, and F3. However, as discussed below, contemporaneous reclamation activities will occur <br /> throughout mining operations as feasible and as areas become available. Whenever practical, <br /> topsoil, overburden, and fines will be direct hauled and used to backfill and reclaim mining pits. <br /> Drilling and blasting will begin at the top of the Quarry and proceed downward in benches to <br /> remove the competent granite and diabase in accordance with the bench design proposed in the <br /> geotechnical analysis. Pre-split blasting will be used if field conditions warrant. Each bench will <br /> be 40 feet high with final benches at the pit wall blasted to approximately a 63-degree angle. The <br /> Hitch Rack Ranch Quarry Permit Application <br /> March 20,2018 D-6 <br />