Laserfiche WebLink
Permit No.M-1977-301 <br /> Company:Pete Lien&Sons <br /> Mine:Roberts Quarry <br /> By:Clint Beck,Pete Lien and Sons,Inc. <br /> Date:March 1,2019 <br /> Re 400, � 1 !;1 161i�� <br /> Reported Affected Acreage 46 *After recent permit acreage reduction. <br /> Total Affected Acreage Planned for 2019 46 <br /> Total Affected Acreage without Reclamation 39.59 <br /> Total Reclamation Acreage(Unreleased w/Future) 15.66 <br /> Total Reclamation Acreage(Unreleased w/o Future) 6.6 <br /> Total Acreage to Backfill 23.11 <br /> Volume of Backfill Required(LCY) 63984.6 <br /> Total Acreage to Grade 22.1 <br /> Total Acreage to Apply Topsoil 33.35 <br /> Topsoil Depth Required V-12" <br /> Volume of Topsoil Required(AC-FT) 16.675 <br /> Volume of Topsoil Required(LCY) 26839 <br /> Topsoil Stockpiles 3(31670 CY) <br /> Total Acreage to Seed 33.35 Reseed acres after initial seed=39.76 <br /> Total Acreage to Mulch 33.35 <br /> Highwall Length 1030 LF <br /> Quarry Floor Slope 20%(approx.) <br /> Assumptions&Notes: <br /> Topsoil Stockpiles is close to backfilled areas <br /> Backfill&Topsoil is available on-site <br /> Roberts backfill scenarios follow Owl Canyon's backfill scenarios in Robert's reclamation plan <br /> No highwall reduction required leaving a hogback formation inline with Rex&Owl Canyon Quarries. <br /> Calculations determined from annual report and current mining/reclamation occurring in 2018/2019. <br />