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PROJECT APPROACH AND UNDERSTANDINGD <br />UAS Mapping: We are pleased to offer aerial photogrammetric mapping in-house with the utilization of our <br />Unmanned Aerial System (UAS) comprised of a Leica Aibot AX20 with a Sony aR711 (42.4-megapizel CMOS <br />sensor) for our aerial platform with processing done to Leica Infinity (Version 3.1.0.3188). We have an FAA <br />certified UAS remote pilot on staff to fly the missions, with all work done in compliance with the FAA Part 107 <br />requirements. <br />Previously, we provided aerial photogrammetric mapping for various municipalities in the past utilizing consultants. <br />The approach was a team effort where we established the horizontal and vertical ground control necessary for the <br />mission and our consultant performed the flight and produced the ortho-imagery and planimetric mapping. We <br />then performed due diligence by field verification of the end product prior to delivery to the client. <br />The advantages of utilizing UAS as a platform to perform aerial mapping is the ability to mobilize and fly the <br />mission on short notice within a window of clear weather, the ability to fly the mission below cloud cover and <br />having a shorter timeframe to produce the end product. <br />Avirom & Associates, Inc. owns 2 P40 Leica Scan Stations and 1 P30 Leica Scan Station <br />as the company’s latest technological addition to the world of surveying. These Leica <br />scanners are known for being the industry’s best performing ultra-high-speed laser <br />scanners. Advantages of a laser scanner are the cost effectiveness of less field time, <br />portability, endless amounts of information gathered in the field, accuracy and, above <br />all, safety. The scanners can safely be operated remotely by a smartphone or tablet in <br />busy roadway conditions or restricted areas. <br />The Leica scanners can gather one million points of information per second. Not <br />only does it gather a vast amount of information in one setup, it also takes an auto- <br />adjusting high-resolution picture of the surveyed area to incorporate into the gathered <br />information. 3D point accuracy is 0.0009 of an inch at 164 feet, with a maximum range <br />of 394 feet. <br />The scanners can also be used for forensics and public safety. The scanners can gather the information needed at <br />the scene of any accident or onsite activities, leaving the area undisturbed. Civil/survey use is another aspect of the <br />scanners. Laser scanning eliminates the need for site re-visits while gathering accurate information for topographic <br />surveys, as-built and title surveys. Archaeological/historical sites are also ideal jobs for the laser scanners. <br />Detailed geometry can be obtained for restoration or excavation without disturbing any site. As-built information <br />of power plants, water treatment plants and any other structures, onshore or offshore, requiring detail with less <br />disruption is achievable. <br />Deliverable products can range from 2D plans, 3D models, fly-through videos and TIN files for elevation and <br />volume calculations. These Leica Scan Stations provide a cost-effective alternative of gathering information <br />accurately no matter what terrain or condition. <br />Total Station with Carlson Software: Our field crews use a total station, an electronic/optical instrument, for <br />surveying and building construction. A total station is an electronic theodolite (transit) integrated with an <br />electronic distance meter (EDM) to read slope distances form the instrument to a particular point. The accuracy <br />and versatility of a Total Station can increase efficiency and accuracy simultaneously.