Market Overview

Durham, N.C., Public Works Department Uses Nearmap Aerial Imagery to Manage Massive City Growth and Revitalization


The department utilizes the clear, current aerial imagery to manage
infrastructure needs and map the half a billion square feet of
impervious area

a location content provider, has partnered with the City of Durham,
North Carolina, Public Works Department for projects ranging from road
maintenance and pothole patching to water sampling and degradation.
Using real-time imagery from Nearmap while out in the field, the Public
Works Department streamlines data collection, reduces time spent in the
field and saves money.

The Public Works Department is tasked with managing all infrastructure
data for the city, including mapping the impervious area for the city's
$16 million a year Stormwater Utility Fee fund. "That is half a billion
square feet of impervious area that we manage through digitization and
review daily," said Edward Cherry, GIS administrator for the City of
Durham. "That fund was one of the main drivers in choosing Nearmap."

After using several satellite imagery systems with low resolution and
infrequent captures, Cherry and his staff of 14 GIS professionals
determined the city needed far superior quality in their mapping imagery
to accommodate the city's growth explosion. Captured every six months at
a 2.8-inch GSD, Nearmap now supplies Durham with crystal-clear images
that are up-to-date while also allowing accessibility through web-based
cloud servers.

With Nearmap, the Durham Public Works Department has achieved:

  • Better monitoring of pavement conditions—With Nearmap imagery,
    surveyors are better able to identify specific locations. "With over
    four to five different image captures at high-resolution, surveyors
    can see sections that have been paved most recently," said Cherry. "We
    don't need to send crews out to an area where a stretch has already
    been paved."
  • Time savings and documentation of road repairs—The City of
    Durham has been able to eliminate several steps in the process of
    patching pot holes and addressing road repairs. Using a GIS
    application integrated with Nearmap imagery, the team can view, edit
    and draw directly on specific areas of a PhotoMap via phone or tablet
    instead of having to go onsite for planning.
  • More detailed maps of city riparian zones—With imagery captured
    during both leaf-off and leaf-on seasons—the presence or lack of the
    foliage depending on the time of year—riparian buffers or stream
    buffers around streams can now be monitored for growth and expansion.
  • Accurate and detailed customer billing—Serving some 78,000
    customers throughout Durham, the public works office has found that
    the high-resolution imagery has improved its billing processes. By
    providing a web service map, stormwater billing customers can
    visualize their property with the impervious area mapped out and tied
    to their billing records. "We're able to physically show them what
    their annual billing costs are for their property," Cherry said.

"Having access to imagery back to 2014, we're able to go back in time
during the thrust of development and monitor it forward," said Cherry.
"With Nearmap, we've been able to update development processes and
policies to support the revitalization of the downtown district as well
as rapid city growth."

About Nearmap

brings the real world to you
. We capture, manage and deliver the
most current location content in the world, allowing businesses and
governments to explore their environment easily. With Nearmap,
organizations unlock opportunities that consistently inform
decision-making and profoundly transform the way they work. Our
high-resolution, frequently updated aerial imagery is 3-inch GSD, better
than satellite imagery. Delivered within days of capture, Nearmap shows
changes over time. Users save time and money, reduce site visits, and
efficiently plan with current, clear imagery.

Nearmap is delivered through a refreshingly easy-to-use interface called
MapBrowser™ or accessed via Esri® and Autodesk products.

a current project in Nearmap today
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