Topographic Survey


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261 Carlton Court Los Gatos, CA 95032 (408)-540-7687 Services We Offer BoundaryiSurveys TopographiciSurveys FEMAiElevationiCertificates ALTA/ACSMiSurveys Construction/SiteiStaking SeeiMoreiServices...		Topographic Survey_ We Offer Free Quotes kenw@wilsonlandsurveys.com Purpose: Using a topographic map, a designer will prepare his drawings. The topo map provides the designer with lines of the property, the location of buildings, streets, curbs, sidewalks, visible utilities, trees, and any other feature. Contour lines and spot elevations are provided showing the way the land slopes and drains. A topo is required by a City or County before a permit to build can be issued. Definition: A map that shows the existing conditions and features of a parcel of land. Method: A. Introduction 1. A topographic survey (topo) is usually done in conjunction with a boundary survey. Sometimes the boundary survey is limited in nature, providing just enough information to determine a record location of the boundary. B. Field Procedure 1. A benchmark is used to establish the elevation. 2. Using a variety of methods (GPS, Total Station, Photogrammetry. Scanning, Laser), shots are taken on the property and/or structures to establish their location. The information is stored electronically in a data collector. 3. Office procedure: The information, in the form of coordinates, is downloaded to a computer where a draftsperson will convert it into a drawing using a CAD program. 4. Delivery: The topographic map is then delivered electronically to a designer who will then use the map to prepare his work.
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