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<br /> <br /> <br />PAGE <br />18 <br />5. ~,)~: Slab Canyon Limestone Quazry Special <br />Rcvicw <br />REQUEST: <br />`i Special Review to expand existing mining <br />` G (1 j area for limestone quarry. <br />O~ <br />~~: ~ 1` L v 26-11-70; approximately 20 miles north - <br />northwest of Fort Collins,.vest of County <br />Road 23 <br />APPLICANT: Holnam Inc. <br />PROPERTY OWNER: HoUtam Inc., Ackerman Land & Livestock <br />STAFF COZITACI': Jerry White File H93-ZR0289 <br />I. SITE DATA: <br />Parcel Number(s): 01260-00-005 <br />Engineer. Paul E- Thomsen <br />Total Development Area: 250 acres <br />Existing Zoning: O-Opcn <br />Existing Land Use: Agriculture graring land, & limestone quarry <br />Proposed Land Use: Limestone mining <br />Land Use Designation: Rural <br />Services: <br />Access: County Road 23, private ac~;ess <br />No. Trips Generated by Use: 40 vehicle trips per day avetage week day <br />II- PROJECTDESCRIP'I10N: <br />The Slab Canyon Quarry is an existing surface [nine which provides limestone to Holnam <br />Inc. for the production of cement. The application proposes to expand the mining area, <br />but continue at about the same rau of production as has historically occunied. Five phases <br />aze proposed, covering about 250 acres total. The applicant estimates mining would take <br />place over a period of 25 to 35 years. The method of mining involves bla:sdng, removing <br />the overburden (which is generally a calcareous limestone slab), then remtving the high <br />grade limestone below. This results in a solid slab surface with a slope oI' about 23%. <br />There is little or no topsoil to recover. Reclamation involves establishment of "tree <br />islands", stone berm filters (to slow runoff), and seeding the loadout benches. Schematic <br />drawings for the mining and reclamation activities are on page 2 ~ .The <br />applicant's mining plan and reclamation plans are described on pages 7 ~ t:hn, 26 <br />The haul route from the reclamation plans are described on pages 28 .The <br />haul route from the quarry uses paved portions of several County Roads; Holnam also <br />states they maintain 4.1 miles of unpaved County Road 21 near the quarry. They estimate <br />an average of 20 truckloads of material leave the site per weekday, going u> the cement <br />plant north of LaPorte. <br />LARIMER COUNTY BCC 1/10/94 sue.tECT SLAB CANYON LI]vIESTONE <br />PLANNING STAFF REPORT QUARRY SPECIAL REVIEW <br />LCPZ - 32 (~ O/B6) <br />