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<br /> . " <br /> . CITY OF ARDEN IDLLS <br /> MEMORANDUM <br /> DATE: December 15, 1997 <br /> TO: Mayor and City Council <br />- FROM: Kevin Ringwald, Community Development Director ~ <br />- <br />. SUBJECT: Acquisition of digital aerial photography <br />I ReQuest <br /> The City Council is requested to authorize the acquisition of digital aerial photography for the <br /> City of Arden Hills and approve of Phase I, Part 2 of the GIS program. <br />I What is digital aerial photographv <br /> Digital aerial photography takes the latest aerial photography (Metropolitan Council, Spring of <br />I 1996) and transforms that photography into an electronic file. Essentially the product that the <br /> City would receive is an aerial photograph of the City which would reside in the City's <br /> computer. This product would have a horizontal accuracy of three feet. The cost to have this <br />Ie product completed by Markhurd Photography is $6,817.00 (Exhibit A). <br /> The City through the joint powers agreement it signed with the Ramsey County GIS Users Group <br />I has the ability to jointly purchase this product with other user cities. The City Council may <br /> remember that when the GIS purchases were originally approved by the City Council, on <br />1 February 24,1997, that the cost participation for the digital aerial photography which supports <br /> Phase I, Part 2 of the GIS program had yet to be determined. The Staff stated that it would return <br /> to for approval of Phase I, Part 2 of the GIS program and acquisition of digital aerial <br />I photography when the cost for the photography became known. <br /> What are some uses for digital aerial ohotol!raphy <br />I The product will allow for the inclusion of aerial photography as one of the layers of information <br /> used in GIS program. Specifically, the product will allow for the quick and accurate <br /> identification of road, lake, and building edges. For example, if the engineer was evaluating <br />I storm water run-off in a particular area, the engineer could easily compute the size of a parking <br /> lot (ie., road edge) which may be contributing to the particular problem. Also, trying to <br /> determine relationships of and distances between houses (building edges) could be shown in a <br />I variance case. Lastly, being electronic, all of this information can be portrayed as part of Staffs <br /> memorandum or be printed out as a hard copy (paper). <br />I <br />" <br />I <br />