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SUPL`tARY OF COMPLIANCE OF COLOWYO FILL WITH APPLICABLE REGULATIONS <br />Regulation (OSM) <br />616.71(a) spoil is excess <br />(a)(1) Leachate surface <br />runoff <br />(a)(2) Stability <br />(a)(3) Reclamation and <br />revegetaCion <br />(b) Professional standards <br />and certification <br />(c) Removal of vegetation <br />(d) Proter_t slopes <br />(e) Most moderate slopes <br />(f) Lifts, ssf-1.5 <br />Compliance Comments <br />(OSM) (Contract - CTL Thompson Reporr_) <br />Unknown Contract does not address final <br />grading of site. Site plan <br />shows iow drainage area in <br />apparent non-compliance with <br />816.102. This area is distant <br />from the fill. Some of the <br />spoil is likely excess. <br />Likely Contract does not speciiicaily <br />address. However, saturated <br />area of fill is correctly <br />analyzed as small and no <br />acid-Forming conditions are <br />known. <br />Yes Contract finds safety factor of <br />fill, is constructed, to be <br />between 1.58 and 2.14 depending <br />upon assumptions. <br />Yes Contract does not address. <br />Contours of fill blend with <br />hillslope to the degree <br />stability will allow. <br />Revegetation appears acceptable <br />but no quantitative information <br />is provided. <br />Yes Golder is r.p.e. Contract <br />utilizes data and finds <br />standards to be professional. <br />Not Shown Contract does not address. <br />Yes Slopes are revegetated. Stream <br />is ~onducted along side of fill. <br />No (erosion shown except along <br />newly seeded face of fill <br />(OSM-06/13/79-field inspection). <br />Yes Streeter Gulch is area of <br />moderate slopes. <br />Yes 100 foot lifts. Contract shows <br />- ssf under most probable <br />conditions to be 1.58 to 2.14. <br />• <br /> <br /> <br />