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.. ON•CAt t. cNGn*zr RING SERVICES RFP NO,: 17-083 City of Sania Ana tiKOPOSAL Topography and Street Cross Sections: Mark Thomas will perform a field topographic survey to document existing site topography and piantmetrics. Substantial visible Improvements will be located within the street right of way, Including lane striping, utilities, manholes, valve covers, utility vaults and covers, sign posts, signs, trees, utility poles, traffic signal poles, cross gutters, local depressions, catch basins, driveway openings, sidewalks, corner access ramps, fire hydrants, parkway drains, etc. Visible indications of-surFace utilities lying within, the project limits will be lobated,, as will accurate lid/rim elevations for drainage structures present. Sewer manholes will be dipped for Invert elevations. Street cross-sections will be token at 50 -foot intervals, The standard eross•sectional data will consist of Sack of Walk, Top of Curb, Flow Line, Gutter tip, and Crown for both sides of the street. The topographic data will be downloaded, processed and tied tc the horizontal and vertical control established for this projeot. The topographic data Will be plotted ih CAD and a digital terrain model (DTM) created for the existing ground surface. The final deliverables will include the digital terrain model, topographic data plotted In CAO and an ASCII file of the topographic survey points, Monument Preservation Pro -Construction: Pre -construction corner records will be prepared for those existing centerline monuments located within the project limits, estimated at fourteen (14). These comer records will be prepared In accordance with the California land .Surveyor's Act 5771 (b) and filed with the Prange County Surveyor's Office, Monument Preservation Post•Constru0low After construction Is completed, these corner records may be utilized to re-establish the monuments that may be destroyed during the pavement rehabilitation work. Post•construotion corner records would then be prepared and filed with Prange County. Task 3 Delivorables: AutoCAQ drawing and ASCII point files • Hard Copy of Survey field notes, sketches and photographs • One (1) PDF copy of the recorded Corner Records and/or record of Survey Task 4, Utility Coordination 1. Utility Mapping: Mark Thomas will utilize As -built data and utility maps obtained by the utility companies to prepare base mapping and identify all utilities on the plans that are within the project limits. 2. Utility Conflict Mapping Procedure: Mark Thomas will assist the City with the typical "ABC" process of utility letters, which includes: a, Utility "A" Letter — The Utility °A" Getters will be sent to each utility to request as -built mapping of their facilities, b. The utility mapping developed for the PS&S will be verified. The mapping will be verified through topographic surveys, c. Utility "B" Letter — Maps showing the utility mapping and the proposed improvements will be: sent to the utility companies for verification, d. Utility "C" Letter — Final plans along with a letter will be sent to the utility companies showing the existing utilities and the final design. 3. Potholing (Utilized to locate utilities to mitigate potential conflicts): Mark Thomas will retain a vacuum pothole company to positively identify the depths, material type, and size of known critical facilities, 20 Potholes have been estimated for this scope, .... Ott: 9