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RAYMOND E. GREENE, PE <br />Metallurgical Engineer <br />23304 Orchard Avenue <br />Carson, California 90745 <br />( 310) 922-4991 <br />A I.L R EPORTS AR E SI.m,fITTED AS THE CONFIDENTIAL PROPERVE OF CLIENTS. AL-1*HORIZATION FOR PUBLICATION OF REP€)14-1-%. EXTRACTS FROM. OR <br />CONCLUSIONN IN RESERVICD PENDING MY WIU-1-rev API'l{OVAL,13 A Merl!,U. PROTECTION TO CLIENTS, THE PLFULIC, ANDin'NEI.F, <br />F[LE NO: U0005 DATE: July 18, 2018 <br />LAB NO: 18113 <br />URBAN TESTING & INSPECTION, INC. <br />22138 Vermont Avenue Suite G <br />Torrance, California 90502 <br />ATTN: Mr. Tom Miller <br />SUBJECT : Measurement and Field Brinell Hardness Testing of first floor slab reinforcing steel bars 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 of reinforcing 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 />ASTM A 615 Deformed And Plain Carbon Steel Bara For Concrete Rejnforcement <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 the adjacent concrete. The bar <br />sizes were determined by measuring the diameter of the exposed bars using 6-in. calipers. <br />Hardness of the 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 />2B of the ASTM A 370 Standard: <br />LOCATION OF TESTS: <br />TEST <br />NO.LOCATION IN STRUCTURE <br />1 2nd Floor Column NS Vertical #11 Reinforcing Steel Bar, South Face, <br />53-inch Above Deck <br />3rd Floor Column J 13 Vertical #9 -Reinforcing Steel Bar, lEast Face, 56- <br />Inch Above Deck