Laserfiche WebLink
18 May 2021 C-1981-010/Trapper Mine RAR <br /> TOPSOIL—RULE 4.06 <br /> Removal 4.06.2; Substitute Materials 4.06.4(4); Storage and <br /> Protection 4.06.3;Redistribution 4.06.4 <br /> o No instability or rilling were noted on the observed topsoil <br /> piles. Piles appeared to be marked appropriately and well <br /> _ vegetated. <br /> o Topsoil depths were measured in the L pit parcel as shown <br /> N below and to the left over approximately 20 acres <br /> _ topsoiled in 2020. <br /> o 12 holes (green dots),were sampled. Averaged depth for <br /> these holes adequately met permit requirements as shown in the <br /> illustration below. <br /> o Several rills were noted in the fresh topsoil. This is <br /> expected, and warranted no concern. <br /> Selection Statistics of Topsoil_WF_2021April X <br /> O <br /> Feld <br /> • Frequency Distribution <br /> f Statistics: <br /> Count: 12 3 <br /> Minimum:8 3 <br /> Maximum:14 2 <br /> Sum: 137 <br /> Mean: 11.416667 2 <br /> Standard Devialion:1.891134 1 <br /> Nulls: D <br /> © _ 1 <br /> 0 <br /> jif <br /> 8.0 9.9 11.9 13.8 <br /> Illustration 1: Frequency distribution and average topsoil depths for the 12 <br /> topsoil depth sample points. <br /> V <br /> Map 1: (left), Locations of topsoil depth measurements. <br /> USE of EXPLOSIVES—Rule 4.08 <br /> General Requirements 4.08.1;Pre blasting survey 4.08.2;Public Notice of Blasting Schedule 4.08.3; <br /> Surface Blasting Requirements 4.08.4;Records of Blasting for Surface Coal Mining 4.08.5; <br /> Seismographic Measurements 4.08.6 <br /> A shot in L dip pit was observed. All notifications were audible and all documentation was up to date at <br /> the time of inspection. Blasting records were checked and no issues were noted. <br /> BACKFILL and GRADING—RULE 4.14 <br /> o Reclamation consisting of benching overburden hauls was taking place at the time of inspection. <br /> REVEGETATION-Rule 4.15 <br /> General Requirements 4.15.1; Use of Species 4.15.2, Grazing 4.15.5 <br /> o Reclamation and revegetation appeared to be progressing adequately. <br /> o Revegetation was emerging and greening throughout the site. <br /> Number of Partial Inspection this Fiscal Year: 8 <br /> Number of Complete Inspections this Fiscal Year: 4 <br />