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OTTO ROSENAU & ASSOCIATES, INC. <br /> Geotechnical Engineering,Construction Inspection&Materials Testing <br /> CONCRETE REPORT <br /> Job Number: 16-0175 Report Number: RC354461 Permit Number: <br /> Project: Riverfront Simpson Client: Polygon Northwest <br /> Address: 4312 30th Drive SE,Everett Address: 11624 SE 5th Street,Bellevue <br /> Inspector(s): Andy Duong Date: 10/6/2017 <br /> Description/Location: Footings Bldg.208 permit#C1707-001,Bldg.209 permit#C1707-062,Bldg.252 permit#C1707-029,Bldg.223 <br /> permit#1706-015,Bldg.230 permit#C1706-019,and Bldg.245 permit#C1706-020 <br /> Resteel Verified: Yes 10/6/2017 Andy Duong(Grade 60) Mfg: Nucor <br /> .•- —:•PlaPem00#0 W#100t#ICuPiOlgai#:•:, <br /> . - <br /> Supplier Mlles Cement(lbs/type): 410# Type: I/II <br /> Mix Number: 18350FP Fine Agg.(Ibs): 1520# <br /> Slump Spec: 4"±l" Coarse Agg.(lbs/size): 1560# 7/8" Slag(lbs): <br /> W/C Ratio Spec: 0.532 Coarse Agg.(lbs/size): 300# Pea Gravel <br /> Air Spec: See Note Coarse Agg.(lbs/size): <br /> Total Yards: 70 Fly Ash(Ibs): 50# <br /> Placed Via: Pump Water(lbs or gal): 30 gal. <br /> Consolidated: Yes Admixtures(specify): <br /> Required Strength: 3000 psi at 28 days. <br /> „ <br /> SmPlin.8:0,0*tong Data Time Cubic Water Slump Air% Conc Temp Ambient Truck Ticket <br /> ASTMt 172,c 31 Made Yards Added C 143 C 231 C 1064 Temp No NO <br /> Cast Samples: 1-4 12:45 pm 10.00 0 gal. 4.25" N/A 69°F 60°F C183 197391 <br /> Weather Partly Cloudy Slump Range: — Air%Range: — <br /> Date Samples Picked Up: 10/9/2017 Initial Curing Method: ASTM C31,Exclude C31-12.1.5 Initial Curing Temp: ASTM C31,Exclude C31-10.1.2 <br /> On approved plan calls for 5+-lik,air entrainment in the concrete but the CT engineer approved mix without air.A copy of engineer <br /> approval attached.Did not stay for entire placement. <br /> REINFORCING/PLACEMENT: Conforms:g Does Not Conform:0 <br /> COMPRESSIVE TEST RESULTS <br /> Specimen Test Field Age Size Area Weight Max Load Strength Fracture Type <br /> Number Date Cure (Days) (in.) (Sq.in.) (Lbs.) (Lbs.) (psi) (other than cone) <br /> 1 10/13/17 7 4 x 8 12.56 8.7 47,910 3810 5 <br /> 2 11/3/17 28 4 x 8 12.62 8.8 61,860 4900 5 <br /> 3 11/3/17 28 4 x 8 12.62 8.8 62,780 4970 5 <br /> 4 11/3/17 28 4 x 8 12.62 8.8 67,610 5360 3 <br /> •=Discarded <br /> Tested In general accordance to: ASTMC39 lJ ASTMC617 0 ASTMC1231 0 <br /> Copies to: <br /> o Client 0 Engineer Building Dept 0di <br /> 0 Owner g Contractor Batch Plant Technical Responsibility: <br /> Architect Others W r ans , roject Manager <br /> This report applies only to the items tested or reported and is the exclusive property of Otto Rosenau&Associates,Inc. Reproduction of this <br /> report except in full,without written permission from our firm is strictly prohibited. <br /> 6747 M.L.King Way S.,Seattle,Washington 98118-Phone(206)725-4600 or 1-888-OTTO-4-US-Fax(206)723-2221 <br /> Form No.:ADMIN-62-04(Rev 09/06) <br />