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OTTO ROSENAU & ASSOCIATES, INC. <br /> CONSTRUCTION INSPEGTION & TESTING � Srq4CT�RqL <br /> 6747 M L. King Way South • Seanle,WA 98118 /C,y� p�o�o v, <br /> `^ SUAL <br /> (206)725-4600 • Tacoma 12061752-0107 � <br /> Exnrw�N, <br /> T�ON <br /> CONCRETE REPORT <br /> JOB NUMBER: 87-076 REPORT NUMBER� 002 PERMIT NUMBER: <br /> PROJECT: Silverlake <br /> DATE: 7 April 1987 INSPECTOR: M. Aquino <br /> Kk�l�F]l7Q7Bli47S1@'411K4C4CX cubic yards of 3,7 ��k. 2500 psi concrete from <br /> Associated Sxnd & Gravel , in the following areas: �olumn footings for carports on <br /> Buildings 6, 7, 8, 9, 10, I1, L5, 16, 19, 6 20. <br /> Concrete was plTced via chute and it was vibrated internally. Slump range 3"-4". <br /> Bateh weights per cubic yard: 350 � TVPe I/II cement, 1389 ��0d' <br /> 1689 # 3/4" agg. 300 �lt" agg.� 66^fly ash • Oz• per 100?�ofcement. <br /> oz. per 100ffof cement. & 20 oz. Plastocrete 150/cubic yard. <br /> Gst specimens= Z p—C d� 9 cubic yards with a q " slump. <br /> Gst specimens?� at cubic yards with a "slump. <br /> Weather: partly cloudy, 55°F. ConcreteTemperatare: 6C°F <br /> CYLINDERSARRIVED IN LAB AND/OR REMARKS: 4-9—g7 <br /> CAST SAPIPLGS AND MEASURED SLUPIP OnLI' <br /> COMPRESSION TEST RESULTS ON 6"x 12"CYLINDERS IAREA: 28.3 S�. IN.I <br /> DATE DATE AGE IN SPECIMEN UTL.STRENGTH STRENGTH <br /> CAST BFOKEN oAvS NUMBER WEIGHT IN lB5 LBS/S�, IN. <br /> 4_7_87 4—L4-87 7 2—A 291112 oz. 90,000 3184 <br /> 4-7-87 5-5-87 28 2—B 301i0 oz. 139,000 G917 <br /> � <br /> 4_�_�� 5_g_S7 �g 2—C 30112 oz. 143,000 5058 <br /> � <br /> ee:�—Owncr %�-�ntr:iceor Contracmr OTTO ROSENAU& ASSOCIATES, INC. <br /> Archnect L—f31da. Dru�. �J <br /> I—Enqineer 6ai[h Plant � � ./[I�Mr� <br />