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Urban Testing & Inspections, Inc.f- <br />22138 South Vermont Ave., #G 248:5405 59/"Torrance, CA 90502 <br />Ph: 310-320-0482 tic€33332% clut <br />.·SE.V-- r#. '< -'311!88· ™ <br />"31 <br />le,• <br />./.01 <br />GROUND PENETRATING RADAR TESTING FIELD REPORT- Concrete <br />Project Name Permit #:JurisdicUon:Date <br />888 Main Adaptive Reuse Information Purposes Only May 03, 2018 <br />Address Where Testing Occurred <br />888 N. Main St, Santa Ana, CA <br />Contractor or Person Requesting Testing Name of Contact Person at Site <br />Caribou Industries Eddie Narvaez <br />Technician(s)GPR Equipment Mfg and Model Number Antenna Frequency <br />Ryan Barkley MAL-A CX11 1.6 GHz <br />List Other Equipment Utilized (e.g. electromagnetic device) Mfg and Model <br />Metrotech 9890XT <br />Purpose of Test (e.g. To determine location of rebar in masonry wall for core drilling) <br />Locate targets and provide spacing/sizing information <br />Type of Structure (e.g. multi story hotel; parking facility)Were -As-Built- Drawings Provided by the Client?Yes No <br />Multi-story Building ® <br />General Site Conditions <br />Free from obstructions <br />Test Locations This Date <br />2 Columns 1St floor, 1 Column 6h floor, 1 Column 8th floor, 1 Column 10th floor, 1 Perimeter Beam 2 Girders 3rd <br />floor, 1 Perimeter beam, and 2 girders 8m floor. <br />Comments <br />Arrived on site and scanned multiple areas as directed to provide details of structural makeup. <br />Some areas needed to be chipped for manual reinforcement size readings due to depth of targets or that area <br />was not able to get sufficient readings. <br />• See attachment for detail information on spacing, sizing, and corresponding grid lines. <br />Contractor is responsible for maintaining all lines drawn (tests results) on concrete and/or masonry. <br />• Due to physical dimensions of GPR antenna, scans conducted near walls, ceilings or borders will result in a 3" <br />dead zone (area that cannot be scanned). <br />It is a recommendation to stay 2" from all lines marked on the concrete. <br />SEE ATTACHED PHOTOGRAPHS ON NEXT PAGE FOR DETAILS <br />Inspector Name (print) : Ryan Barkley Continued on the next page ®Page 1 of 5 <br />Certification Number: GPR-5957 Report Number: 001 Job #:1204-12480 <br />Time Start 0700 <br />Time Finish 1500 <br />Total time <br />with reporting 28 HRS <br />« <br />Technkian'i Signature Clicm Signiture <br />Continued on Next Page