Heat Index Chart. by Temperature ( F) and Relative Humidity (%) www.srh.noaa.gov/srh/jetstream/global/hi.htm. The âHeat Indexâ is a measure of how hot weather feels to the body. This table uses relative humidity and air. temperature to produce the apparent temperature or the temperature the body feels. These values are for. shady locations only. Exposure to full sunshine can increase heat index values by up to 15Â°F.
In the property world, a contour is an outline of a mass of land. A contour or detailed survey is done by a surveyor and required before you can start on the design of your buildings. Contour lines will be marked on the survey.Below are some tips* that can help explain the marking youâll see:t is important to understand the contours of land. I find that many of our clients do not understand what a contour survey is and why itâs necessary, so here goes.
Much like any other type of survey, a topographic survey, or topo survey for short, is done to locate natural and man-made features on a particular parcel of land. This is sometimes called planimetric features or things you can see from a plan view as if you were hovering over the site.or example, a 1-foot contour topographic survey might require shots at a 20-30 foot interval and also shots along all breaklines. A breakline is a point at which the contour changes abruptly, like the back of a curb, or the center line of a roadway.