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5) Establish accurate horizontal and vertical control, establish on-site control points that will be tied to <br /> the North American Datum of 1983 (2011) 2010.0 epoch, California Coordinate System Zone 3. <br /> Set and measure project control points to establish Plant Datum. Elevation 0.00 Plant Datum = <br /> Elevation 2.35 NGVD29 <br /> 6) Use GPS techniques, a combination of VSN networks or RTK to establish horizontal control. <br /> Task 3—Base Map Preparation <br /> 1) Set up base sheet layout at a scale approved by the City. Use City standard title block and sheet <br /> size (24"x36"). <br /> 2) Plot topographic data, with contours at 1' intervals and spot elevations to the nearest 0.01', on the <br /> base maps. <br /> 3) Plot items measured on the base maps. <br /> 4) Plot and draft utility information measured in the field and from record data onto the base maps <br /> showing location of subsurface and surface utilities. Indicate depths of utilities where known. <br /> 5) Add property information onto the base maps. <br /> 6) Schedule a meeting with the City at 50%completion to review topographic map. <br /> Task 4—Deliverables <br /> 1) Provide two full size hard copies at 50%completion. <br /> 2) Provide one full size hard copy, stamped and signed, at 100% completion. <br /> 3) Provide electronic CAD files of the topographic plan at 100%. Files will be in AutoCAD version <br /> 2013 format with City title block. File shall include all collected data. <br /> 4) Provide dirt volume calculation showing volume of dirt in drying beds. Units shall be in cubic yards. <br /> Schedule: <br /> The Consultant shall complete all field work within four weeks from notice to proceed and deliverables shall <br /> be submitted to the City within eight weeks from notice to proceed. <br /> Consulting Services Agreement between City of San Leandro and Towill, Inc. <br /> for WPCP AC Pavement Rehabilitation Exhibit A—Page 2 of 3 <br />