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Craig A. Smith & Associates, Inc. <br />Engineers • Surveyors • Subsurface Utility Engineering <br />SECTION D2 -INNOVATIVE <br />TECHNOLOGY <br />3-0 Radar Tomography -Limiting Factors <br />3-D RT is generally very successful in scanning through sandy soils, gravel, limestone, granite, asphalt, <br />concrete and shale, but readings can be inhibited by dense organic soil material such as muck, clay or <br />peat. Also, flowable fill may limit the radar's penetrating ability. In addition, narrow corridors (less than 6 <br />feet wide) with numerous above ground obstructions such as utility poles, cable boxes, bollards, or FPL <br />transformers may limit the 3-D RT unit's accessibility. The use of 2-D GPR may be preferred in such <br />restricted areas. <br />Subsurface Utlllty Engineering Services for Clients <br />Our current and past clients for subsurface utility engineering services include federal, state, county, city <br />government facilities; U.S. Naval facilities; NASA Facilities; Port Authorities; design engineers and <br />contractors. <br />CAS maintains unlimited qualification with FOOT in categories 3.1, 7.1, 8.1 & 8.2. CAS is also licensed by <br />the State of Florida Department of Business and Professional Regulation Board of Surveyors as an <br />Engineering Survey firm, Land Bureau number 03110 (LB 03110). <br />CAS performs subsurface utility engineering & coordination services for numerous municipal clients and <br />is licensed and capable of performing proprietary and patented 30 Radar Tomography services <br />throughout the United States. <br />CAS performs comprehensive subsurface utility engineering for many municipalities on a contractual <br />basis, serving as the municipalities' One Call respondent. In this capacity, CAS staff members perform <br />hundreds of utility line designations every week. CAS also performs 2D Ground Penetrating Radar locates <br />and vacuum excavations for our municipal and private clients. In addition to providing One Call locates, <br />CAS serves as the municipalities' or clients' "clearing house" for design related utility services providing <br />plan mark-up, level D through A utility marking services, and coordination response in accordance with <br />Utility Accommodation Manual requirements. <br />CAS is currently providing utility locating services for the following: <br />•City of Hollywood . City of West Palm Beach •City of Coconut Creek . Town of Jupiter •City of Lauderhill . FPL . Town of Pembroke Park . FOOT . Town of Davie . Marathon OIi Corp. . City of Pembroke Pines . Citgo Petroleum . City of Weston . Port Everglades <br />21045 Commercial Trail, Boca Raton, FL 33486 • Ph: 561-314-4445 • www.craigasmith.com • LB3110