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The data were used to; <br />Develop a headwall and portal mitigation stabilization strategy;• potential instability <br />• Define rock anchor installation oversight activities and to address <br />concerns; <br />• Evaluated completed rock all stability hor analys analysis; <br />tion tensional <br />test; <br />• Perform a slope and hea <br />• Check backfilled construction materiais to meet design specifications; and <br />• Observe the placement of fill material; <br />4) Site construction Summary <br />The following assessment activities were completed: <br />• Geological and geotechnical site reconnaissance by Gonzales March 31, 2011, R <br />Squared, Inc. March, 2012 and Trautner Geotech, LLC; <br />Bench Geotechnical Investigation—(Attachment4); <br />• Portal Designed; <br />• Removal of collapse material from the access and mill portPortal rt <br />previously submitted) al work Plan waench stability o <br />prepared by R Squared, Inc. was previo <br />ccess Portal Collapse Re <br />nd 5 <br />submitted on March 2 [EnviroGroup-Ap Repair ed by CDuipment RMS <br />Stope Rock Removal Plan], Adequacy Review, March 8, 2012 PP <br />on March 12th, 2012 ; an <br />Removal of buried equipment and collapsed debris from the cess 2 2m llportalls; <br />[Collapsed debris (photos 1 and 2) was stock piled adjacent to <br />sed <br />shotcrete (reinforcing medium), split set bolts to secure 4X4 welded wire fabric (See <br />Photo); pattern; See photo); Portal <br />Geotechnical studies to specify split g <br />(February ebruar 22, 2012). Trautner observed steel set <br />5 -Franklin Y <br />stabilization (Attachment <br />construction/installation Attachment 6; inside the <br />• Removal and placement of damaged steel set(s) and protective canopy oration and <br />access portal; [Buried equipment was removed by Wildcat Mining Corp Adit <br />the access portal was designed ( Figure 2) and replaced by Melcher Brothers];ility <br />Stabilization — Melcher Brothers -Observed adit rep with the const ucassessedair and tio n wall drawing stasand <br />features to verify construction was in accordancMap); <br />specifications. (See Figure 1 -As -built Topographic <br />• Site grading and gravity wall construction (under Trautner Geot supervision); <br />• Installed steel sets (Attachment 7); <br />• Installed bench and upper terrace stormwater coonnum trol Best Management <br />(Mountain <br />eMnr,2016); <br />• Installed headwall and bench stability survey in <br />Wildcat Mining Corporation <br />May Day and Idaho Mine and Mill Application <br />112(d) Permit — Technical Revision No. 1 <br />May Day and Idaho Mine <br />M-1981-185 <br />Revised June 30th, 2016 <br />