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Site Surveying BKF union field crews will perform a topographic survey to locate detailed topography within the site area limits. This includes but is not limited to existing building corners, finish floor elevations, walkways, curbs, gutters, hardscape features, stalls, and trees (typically over 4" diameter — at chest height), along with drip lines (except for trees in parking lots.) This includes supplemental data where critical exit and entry doors connect to the sidewalk where ADA accessibility conformance is vital to the design. The Path of travel (POT) walkway elevations, including any existing ADA Parking Stall elevations. Additionally, they will locate existing visible utilities within and to serve the site and obtain the rim and pipe invert elevation (with pipe sizes) of gravity utilities (sewer and storm drain), that serve, or are directly adjacent to, the site. This 20-scale topo will include 1-foot contours, on a developed surface in AutoCAD 2018 format. The record paper boundary will be delineated on the survey. Benchmark and Basis of Bearing will be stated and .pdf and .dwg version will both be provided. Maps/Mapping Services BKF can provide mapping services for items such as ALTA Surveys, Subdivision Tract Maps an Parcel Maps, Plat & Legal Descriptions (for Easement Documents, Quit Claims, or Right of Way Dedications). Utility Search and Coordination BKF's standard practice when starting a new project is to engage the utility companies early in the project, and pro -actively work with them to protect their utilities, or to determine ideal relocation routes. We start by establishing the lines of communication with utility companies present within the project area, such as Southern California Gas Company, San Diego Gas and Electric, City of Santa Ana Municipal Utility Services (Mus), Santa Ana Water Services, and OC Water District. We will also coordinate with the City of Santa Ana Public Works Department as needed, by sending out Utility "A" Letters requesting for their record drawings and as-builts. Once we have received all the as-builts and record drawings from each agency, we will incorporate the existing facilities into the utility base mapping in AutoCAD format. Upon completion of the utility base mapping, we will schedule a meeting simultaneously with all third - party utility companies in an "all -hands" meeting. At that meeting, we will present the project and identify utilities needing relocation. Most importantly, we will discuss the timeline for when the utility requires relocation to maintain the project schedule. At this "all -hands" utility meeting, these utility companies are able to coordinate with each other and find opportunities to be in joint ventures reducing their construction costs. We will distribute the Utility "B" Letters with the composite utility plans, and request that they confirm their existing and future facilities. All the gathered utility information will update our comprehensive utility map and matrix that were used to supplement the project base sheets to provide a complete existing utility base. This level of effort will minimize construction costs and ensure the correct placement of the proposed improvements. As part of the utility coordination work, we will: 16