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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: RC366512 Permit Number: various-See Below <br /> Project: Riverfront Simpson Client: Polygon Northwest <br /> Address: 4312 30th Drive SE,Everett Address: 11624 SE 5th Street, Bellevue <br /> Inspector(s): John Fraser Date: 3/6/2018 <br /> Description/Location: Inspected reinforcing steel and concrete placement for footings/stem walls at lots 215,279,and 281. The <br /> inspected work was found to be done as per approved project documents. <br /> 215-4512 Riverfront Blvd.-C1708-028 <br /> 279-4513 31st Ave SE-C1708-016 <br /> 281 -4517 31st Ave SE-C1708-031 <br /> Resteel Verified: Yes 3/6/2018 John Fraser(Grade 60) Mfg: Cascade <br /> . Placement Data _ Design Actual ❑ Batch Weights/Cubic Yard <br /> Supplier: Miles Cement(lbs/type): 410# Type: 1/1I <br /> Mix Number: 18350FP Fine Agg.(lbs): 1570# <br /> Slump Spec: 4"±1" Coarse Agg.(lbs/size): 1650# 7/8" Slag(lbs): <br /> WIC Ratio Spec: 0.532 Coarse Agg.(lbs/size): 200# #8 <br /> Air Spec: n/a Coarse Agg.(lbs/size): <br /> Total Yards: 45 Fly Ash(lbs): 60# <br /> Placed Via: Pump Water(lbs or gat): 30gal <br /> Consolidated: Yes Admixtures(specify): <br /> Required Strength: 3000 psi at 28 days. <br /> Sampling and Testing Data Time Cubic Water Slump Air /0 Conc-Temp Ambient Truck Ticket <br /> ASTM C 172,:C`31 Made Yards . Added C 143 C 231 C 1064 Temp No No.., <br /> Cast Samples: 1-4 2:00 pm 10.00 18 gal. 5" n/a 60°F 48°F C116 102748 <br /> Weather: Clear Slump Range: 3"-5" Air%Range: n/a <br /> Date Samples Picked Up: 3/7/2018 Initial Curing Method: ASTM c31,Exclude C31-12.1.5 Initial Curing Temp: ASTM c31,Exclude C31-10.1.2 <br /> Comments . <br /> REINFORCING/PLACEMENT: Conforms:0 Does Not Conform: <br /> COMPRESSIVE TEST RESULTS <br /> Specimen Test Field Age Size Area Weight Max Load Strength Fracture Type <br /> Number Date Cure (Days) (in.) (Sq.ln.) (Lbs.) (Lbs.) (psi) (other than cone) R <br /> 1 3/13/18 7 4 x 8 12.62 8.6 31,020 2460 2 <br /> 2 4/3/18 28 4 x 8 12.5 8.6 50,690 4060 5 <br /> 3 4/3/18 28 4x 8 12.5 8.7 51,760 4140 5 <br /> 4 4/3/18 28 4 x 8 12.5 8.7 51,590 4130 3 <br /> "=Discarded <br /> Tested in general accordance to: ASTMC39 0 ASTMC617❑ ASTMC1231 ❑ <br /> Copies to: <br /> ❑Client ❑Engineer ❑ Building Dept <br /> ❑Owner n Contractor ©Batch Plant Technical Responsibility: <br /> ❑Architect ❑Others :1 `r Hanse , Project 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) Page 1 c.f.-1-• <br />