What is a Topographic Survey and when is it needed?

Topographic Surveys are used to identify and map the contours of the ground and existing features on the surface of the earth or slightly above or below the earth's surface (i.e. trees, buildings, streets, walkways, manholes, utility poles, retaining walls, etc.).  If the purpose of the survey is to serve as a base map for the design of a residence or building of some type, or design a road or driveway, it may be necessary to show perimeter boundary lines and the lines of easements on or crossing the property being surveyed, in order for a designer to accurately show zoning and other agency required setbacks.


Topographic Surveys require "bench marks" to which ground contours are related, information regarding surface and underground utilities, determination of required setbacks, etc.

From Weblog

June 28, 2017

The State of California released a new Industrial General Permit in July of 2015 (2014-0057-DWQ) that increased the types of industrial facilities that are required to obtain coverage as well as transitioned the reporting to be done electronically.  The Industrial General Permit regulates storm water and authorized non-storm water discharges for industrial facilities that fall under nine federally defined categories of industrial activities. 

These categories are:

  1. Facilities... Full post »

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