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~J <br /> <br />Gold N,u Mr71 Adequacy Review ltesporiea ]uty 18,1996 <br />Resoomes to Adeame~ I.apa d Jane J0.1945 <br />'lire Gold Hill Mill building m a pre6bricated Steil buildorg wrth steel cohaorts aril girders. 'llee <br />building exterior is 16 gauge steel parrJa. 'lie bmldu~g diomrions are 120'-3" by 70'-3" with lhrx <br />levels along its lerrBth. 7be upper end (northwest) of the burldirrg has a l6 foot cave heght from floor <br />level for a durance of 48 feet abng the length of the buildng. 'Ihe middle level has a 21 foot cave <br />height fors 24 foot Inrgfl~ 11te bottom section Las a 31 foot cave height fot 48 feet along Crc building <br />length 7lrere is also a 32' by 16' by 19.5' high concrete wad coarse ore smm8'e strucdae with a me0s) <br />bin on the south west side of the budding. On the northwest side of the building, there is en l8' by 21' <br />lean-to room that contains two water tardu aril pumps Eor proses and fdtiaae water. the room also <br />houses a potion of the conveyor from the vrbratasy sereerr and a eraas conveyor that goes into the fine <br />ore bin. 71re fine ore bin is housed it a 21' by 21 foot oonerete waded shtrctiue directly east of the tank <br />room. '!he concrete walls are apprormmtely 19' high. <br />71rere are only a limited number of design drawings that COM, Inc. has access to. 7Le drawings <br />indicate that the Boor slabs ere 6" tbicY and that the lower level has M4 rebar 12" on arttrf each way. <br />'Ihe foundation render the thicloetter m deeper and eontaiu two levels of MS mbar each way. Pedestals <br />incLrde a 32' by 11/2' by 18" high pedesml under the flotatierr eohmms. lbere ere concrete pedestals <br />for the ball mill on the upper laud but the eiae camrot be defined Brom the drawirgs. if tabu is <br />present in the pedestals, it was not ceded art in the drawings that we have. 'Ifie fomdatiar weds ere <br />I O" to 12" thick and extend 18" above the tminehed coneaete floor. "[tie Emendation belaav the floor <br />level is not known. A copy oClhe drawings that we have are adached. <br />'ihe tailings in the thicloener end ate in intermediate emgea of ooncenttation can be ram thrmrgh the <br />cicuit and Bushed into the tarlinga pond. 1Le types and amourrb ofindustaal chernicak in the build'org <br />Lave not been cataloged but the general types of chemicals arc not hamrdous and can be sold aril <br />moved afler proper chec7sa on integrity of perragirg aro tamed out It eppean that most of the <br />electrical erlnripmerR was new it 1984 ar 1985 when the mid was built New egdpment should not <br />Lave been sold with any PCB's. '[mere might be older motors with apacc8as alerts that might be m the <br />buiklnrg but should not be significant Budding insuLtion appears to be bat type fiberglass with a <br />plastic banking. We do not foresee a large expense to the Division related m hsmrdous ma6erials. <br />