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Proposed modification to Phase I SGVLF <br /> Newmont proposes to modify the extent of the Phase I liner to the inside edge of the main haul <br /> road access to Phase I. Figure 1 "Phase I Temporary Storm Water Management Plan View" <br /> demonstrates the extent of Phase I liner to the western ede of the main haul road accessing the <br /> Phase I area of the SGVLF. In the Figure 1 legend this Phase I liner limit is shown with a green <br /> dotted line with vertical hatches and is called"Phase Limits". <br /> Construction Deferment for Phase II SGVLF <br /> At current SGVLF material stacking rates, Newmont plans on completing Phase I during the 3`d <br /> Quarter of 2020. Prior to this Newmont plans to start construction of the Phase II liner in 2nd <br /> Quarter 2019 and complete it in 3`d Quarter 2020. At this point Phase II liner will completely tie- <br /> in to Phase I liner and allow haul truck traffic to travel over liner when on the SGVLF footprint. <br /> Figure 1 demonstrates the extent of Phase II liner to the western ede of the diversion channel at <br /> the eastern edge of the SGVLF. In the Figure 1 legend this Phase II liner limit is shown with a <br /> green dotted line with vertical hatches and is called"Phase Limits". <br /> Storm water controls <br /> Storm water controls are already in place with an exisiting Phase II diversion channel shown <br /> with the blue dashed line in Figure 1. Newmont proposes a series of check dams spaced <br /> approximately 200 ft apart on the uphill side of the main haul road access to the Phase I stacking <br /> area (Figure 1, "Proposed rock check dams", shown as purple rectangles). In addition, Newmont <br /> will commit to operational maintenance of the check dams in ensuring they function as designed. <br /> This will include ensuring the channel remains open and that sediment loading is kept to <br /> minimum. Please also view Figure 2 "Phase I Temporary Storm Water Management Sections <br /> and Details Sheet 1 of 2" and Figure 3 "Phase I Temporary Storm Water Management Sections <br /> and Details Sheet 2 of 2" for further construction detail. <br /> Summary <br /> Phase I construction modification reflects the current state of construction on site. Construction <br /> deferment of Phase II schedule ensures liner integrity due to not being exposed to ultraviolet rays <br /> and weather before being loaded with material. The constructed diversion channel above Phase II <br /> and the proposed check dam features and operational maintenance best management practice <br /> should prove protective against erosion and slowing storm water velocities. <br /> Should you require further information please do not hesitate to contact me at(719) 689-4055 or <br /> Meg.Burt@gewmont.com. <br /> Regards, <br /> 1 <br /> 1 <br /> Meg Burt <br /> Senior Environmental Manager <br /> Cripple Creek and Victor Mine <br />