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5 <br /> ADDENDUM <br /> Additional landscaping work at the Bernal/I-680 Interchange has been proposed <br /> including a low granite wall along the south border of Bernal between the exit ramp and <br /> I-680, additional traffic signals, gateway elements consisting of two signs and <br /> landscaping including trees within the southwest cloverleaf and a low Corten wall. <br /> Additional funds have been budgeted including consultation with Caltrans and additional <br /> fieldwork to conduct enhanced auger testing and a possible backhoe test unit in areas of <br /> potential ground disturbance. Landscaping within the cloverleaf has a high potential to <br /> impact subsurface prehistoric resources noted during previous Caltrans investigations. <br /> Scope and Cost Estimate-Archaeological Test Plan <br /> Encroachment Permit 0411-NMC0671 <br /> Mitigation Plan-CA-CA-ALA-574 <br /> June 2013 (Revised November 2013) <br />