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CSG PROPOSAL r0 SANrA ANA (MILE ONE PROJECT • Executed Cooperative Agreement (with utilitycompanies), Caltrans, or other municipalities Task C • data Collection Field Reconnaissance CSG will conduct field reconnaissance to develop base mapping for the project. Field reconnaissance efforts can be scaled up or down, to ref lect whether the aerial photogrammetry task Is authorized,. If necessary, street and lane widths will he determined based on field measurements taken at representative cross sections to supplement available existing high•resolutlon ort'hoeeotifled Imagery, Existing utility cover locations and types will he field verified to Bassist in Utility Certification efforts. Aerial Photogrammetry survey (Optional) An aerial photogrammetry survey,vhich involves the co. flection of aerial photography and elevations, is a more cost effective solutlon for this projoctthon a traditional topographic ground -levet survey, due to the length of the segments to he improved, and their long distances apart. It also a more accurate method of developing base mapping than the use of hdgh-resolution orthorectifled aerial imagery alone; which may be outof date by several years and must be supplemented with collootadfiald data, Aerial photogremmet y's'ervices will be provided by an aerial photogrammetry firm In .conjunction with Wagner .Engineering & Survey. WE$ will set vertical and horl¢ontal controls for the project in accordance with City standards, prior to the aerial survey. following the aerial survey, supplemental ground shots can be collected At itrtersectlons for traffic signal modifications and ADA upgrades, as needed. Pavem=ent Visual Condition Survey As a first order of work upon Notice to Proceed, CSG will conduct a visual condition survey to evaluate the existing pavement condition for the street segments Identified as. in need of pavement rehabilitation In the RFP. The visual condition survey will consist of photographs of the site to document the current Condition of the site, and recommendationsbasedbasedon the visual assessment. Some assumptions would be made about the existing structural section thickness and R - values to develop design recommendations. Irxample of povement rehablllatlan needed due to recent construction fxamp/e dfl dlated Pavement Follure Example of Placing Pavement Desig=n Report and Testing (optional) C56 has teamed with GdoAdvantoc Inc, (GAI) to provide supplemental pavement services, If needed, GAI can perform deflecting testing and coring, in addition to the visual condition survey Included in the base scope, if authorized, coring will be performed to determine the thickness and R•value of the existing structural section, CSG will prepare a pavement design report Identifying the analysis procedures and tests used for the investigations, a description and limitations of any pavement rehabilitation materials listed in the rehabilitation recommendations, two or more pavement rehabilitation design alternatives, the raw test data, exhibits identifying location of pavement cores taken, photos taken during the Investigations, and on economic analysis of the rehabilitation alternatives based on CSG's previously designed and constructed pavement project unit costs.