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RAYMOND E. GREENE, PE 165 of 234 <br />Metallurgical Engineer <br />. 023304 Orchard Avenue <br />Carson, California 90745 <br />(310) 922-4991 <br />ALL REPORTS ARE 5UBJUTTED AS THECONFIDENTIAL PROPERTY OF CLIENTS. AUTHORIZATION FOR PUBUCATION OF REPORTI EXTRACTS FROM. OR <br />CONCLUSION, IS R.EMENVED PENDINOMY WRrrTENAPPROVAL AS A MUTUAL PROTECRON TO CLIENTS. THE PURUCAND MYSELF. <br />F[LE NO: U0005 DATE: July 18,2018 <br />LAB NO: 18113 <br />URBAN rESTING & INSPECTION, INC. <br />22138 Vermont Avenue Suite G <br />Torrance, California 90302 <br />ATIN: Mr. Tom Miller <br />SUBJECT : Measurement and Field Brinell Hardness Testing of first floor alab reinforcing steel ban which <br />are embedded in columns at below identified job site. Tests were conducted on vertical concrete <br />column bars. Tests were performed in order to determine size and grade ofreinforcing steel <br />bars. <br />SOURCE :Testing conducted at job site by Raymond E. Greene. PE, Metallurgical Engineer. <br />JOB SITE :Caribu Industries 888 North Main Street Santa Ana, California. <br />STANDARDS : ASTM A 370 Mechanical Testing of Steel Products <br />ASâ„¢ A 615 Deformed And Plain Carbon Steel Bars For Conciete Reinforcement <br />ASTM A 15-66 Standard Specification For Billet-Steel Bars For Concrete Reinforcement <br />ASTM A 431-58 Standard Specification For Hard Grade Steel Bars For Concrete Reinforcement <br />ASTM A 432-58 Moderately Hard Grade Steel Bars For Concrete Reinforcement <br />PROCEDURE : The reinforcing steel bars were exposed by sawing and chipping:he adjacent concrete. The bar <br />sizes were determined by measuring the diameter ofthe exposed bars using 6-in. calipers. <br />Hardness ofthe steel bars was determined with a Telebrineller Field Brinell Hardness Tester. <br />The hardness results were converted to approximate tensile strength in accordance with Table <br />213 of'the ASâ„¢ A 370 Standard: <br />LOCATION OF TESTS: <br />TEST <br />NO.LOCATION 1]41 STRUCTURE <br />1 2nd Floor Column N8 Vertical #11 Reinforcing Steel Bar, South Face, <br />53-inch Above Deck <br />2 3rd Floor Column 313 Vertical #9Reinforcing Steel Bar, East Face, 36- <br />Inch Above Deck