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Exhibit A-Supplement 1 <br /> 4. Structural Plans and Specifications-General Notes and Bill of Material <br /> 5. Structural Plans and Specifications—Anchorage Slab and Barrier Plan and Elevation <br /> 6. Structural Plans and Specifications -Cross Sections,Details&Bill of Material <br /> WHKS excluded structural design and plan preparation in the original scope of work for drainage junction <br /> chambers. Without a phase I drainage study it was unknown if junction chambers would be required. As <br /> design progressed the following design effort and drainage structures are required. <br /> 1. Phase II Structural Design of Junction Chambers and Plan Development(4 locations) <br /> • Review design loads and design criteria. <br /> • Coordinate preliminary design layout with proposed storm sewer <br /> • Design and Check Junction Chamber. <br /> • Prepare structure sheets: GPE, General Notes and Bill of Materials, Chamber Wall Sections <br /> and Details and Miscellaneous Detail Sheets. <br /> • Coordinate pay items for completion of Special Provisions and Checksheets. <br /> • Coordinate pay items for completion of Estimate of Time and Estimate of Cost. <br /> • Prepare quantity calculations for Junction Chamber pay items. <br /> Box Structure: STA 69+78.78 L25.58' <br /> 48" RCP(N) <br /> 36" RCP(N) <br /> 15" RCP(W) <br /> 36" RCP (S) <br /> 48" RCP(E) <br /> Box Structure: STA 69+80+28 R70.26' <br /> 48" RCP (W) <br /> 15" RCP(E) <br /> 60"x38" RCP(E) <br /> Box Structure: STA 708+15.73 R13.77' <br /> 60"x38"RCP (NE) <br /> 42" RCP (W) <br /> 42" RCP(SE) <br /> Box Structure: STA 68+72.68 R0.8' <br /> 12" RCP(W) <br /> 12" RCP(S) <br /> 12" RCP(E) <br /> 15" RCP(NE) <br /> Additional hours are presented for Phase II BCR Miscellaneous Structure Design,Plan and Quantity work. <br /> Drainage Design <br /> Drainage Modeling,Analysis and Study-Existing <br /> AECOM analyzed the existing 72"culvert under Faries Parkway to present findings to the city. <br /> Additional hours are presented for Study of Existing drainage culvert work. <br /> Additional Scope 08-21-20 Ex<A S1-5 <br />