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OTTO ROSENAJ & ASSOCIATES, INC. <br /> CONSTRUCTION INSPECTION & TESTING / TqbCTUp41 <br /> 6747 M.L.King Way South • Seattle.WA 98118 /C,„�• <br /> `JA� L qU010 VISUAL <br /> (206)725�4600 . Tacoma(206)752-0107 �� <br /> E%AMINq <br /> TION <br /> CONCRETE REPORT <br /> JOB NUMBER: 87-076 REPORT NUMBER: 001 PERMIT NUMBER: <br /> PROJECT: Silverlake <br /> DATE: 3 April 1987 INSPECTOR: M. Aquino <br /> I incpected placement of 18 cubic yards of ],7 sack, 2500 Psi concrete from <br /> Fssociated Sand 6 Gravel , in the follow�ng areas: column footings for carports in <br /> duildings 12, 13, 14, 17, S 18. <br /> Concrete was Vlaced via chute and it was vihrated internally. Slump range Z}"-3}". <br /> T cement, 1469 =sand, <br /> Bateh weights per cubic yai � 349= vPe I/II <br /> 1700 � 3/4" agg. 300= 1}" agg. 65} � fly ash oz. per100=ofcement. <br /> o=, per100#ofcement. & 20 oz. Plastocrete 150/cubic yard. <br /> Gst specimens= 1 A—C at 9 cubic yards with a 3 " slump. <br /> Cast ipecimens� at cubic yards with a "slump. <br /> Weather: Rain, 51°F. ConcreteTemperature: 59°F <br /> CYLINDERSARRIVED IN LAB AND/OR REMARKS: 4-7-87 <br /> COMPRESSION TEST RESULTS ON 6"x 72"CYLINDERS IAREA: 28.3 SQ. IN.) <br /> OATE DATE AGEIN SPECIMEN UTL.STRENGTM STRENGTH <br /> CAST BFOKEN DAVS NUM6ER WEIGHT IN L85 L851S�. IN. <br /> 4-3-87 4-10-87 7 1—A 29�f14 oz. 100,000 3537 <br /> 4-3-87 5—L-87 ZS 1—B 291112 oz. 144,000 5094 <br /> 4-3-87 5-1-37 28 1—C �9;f14 oz. 149,000 5271 <br /> cc L-0wncr/Contr:u[or Convacmr OTTO ROSENAU& ASSOCIATES, INC. <br /> Arr.hlteci I— 131nc. Dent. �cj��C- �f <br /> l�n9ineer t3a[chPlant /� -�+ '�'/• ���� <br />