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GROUND HOUND DETECTION SERVICES, IN [ ° A Professional Utility Locating Service <br /> September 9, 2013 <br /> Mr. David E. Luethje, PSM <br /> Carter Associates, Inc . <br /> 1708 21st Street <br /> Vero Beach, FL 32960 <br /> (772) 5624191 (772) 473 -9439 <br /> DavidL@carterassoc .com <br /> Re : Indian River County Professional Surveying and Mapping Services Fees <br /> Contract Term October 1 , 2013 — September 30 , 2014 <br /> Mr. Luethje : <br /> Ground Hound Detection Services, Inc . is pleased to provide the following summary and outline of services and fees . <br /> Using a variety of techniques, Ground Hound can provide the following: <br /> Electromagnetic Induction Method (EM) <br /> Electromagnetic induction is a method in which a transmitter signal is applied by directly coupling to a target. As <br /> long as the target is metallic, a receiver is used to detect the transmitted signal . Passive detection is another technique <br /> used to locate naturally occurring magnetic fields that exist on power cables generating a <br /> 50/60 Hz signal . <br /> Additionally, passive VLF signals can be detected on other metallic utilities that are typically long in length and <br /> are <br /> well grounded electrically. <br /> Ground Penetrating Radar (GPR) <br /> GPR method is used in identifying both metallic and non-metallic utilities/structures that are unidentifiable using <br /> traditional electromagnetic methods . GPR is also a highly effective technique for locating sub-surface structures such <br /> as Underground Storage Tanks (UST ' s) . <br /> EM, GPR Investigation Half Day $900.00 <br /> EM, GPR Investigation Full Day $ 19700.00 <br /> Mobilization to Indian River County 2 hours @ $75/hr $ 150 per day <br /> 2930 NW Commerce Park Dr. , Suite 1 8810 Commodity Circle, Unit 23 5570 Florida Mining Blvd. S . Suite 405 <br /> Boynton Beach, FL 33426 Orlando, FL 32819 Jacksonville, FL 32257 <br /> 561 -737-9800 t 561 -737- 1742 f 407-658- 1030 t 407-658- 1380 f 904-854-9700 t 904-854-9701 f <br />