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OTTO ROSENAU & ASSOCIATES, INC. Geotechnical Engineering,Construction Inspection&Materials Testing CONCRETE REPORT Job Number: 16-0175 Report Number: RC354461 Permit Number: Project: Riverfront Simpson Client: Polygon Northwest Address: 4312 30th Drive SE,Everett Address: 11624 SE 5th Street,Bellevue Inspector(s): Andy Duong Date: 10/6/2017 Description/Location: Inspected reinfrocing steel and concrete placement for Bid .:z1:.:,..,:f7.1'21:5, mit#C1707-001,Bldg.209 permit#C1707- 002,Bldg.252 permit#C1707-029,Bldg.223 permit#1706-015,Bldg.230 permit#C1706-019,and Bldg.245 permit#C1706-020.The inspected work was found to be done as per approved project documents. Resteel Verified: Yes 10/6/2017 Andy Duong(Grade 60) Mfg: Nucor Placement Data Design Actual.❑ Batch WeightslCubic Yard Supplier: Concrete Nor'West Cement(lbs/type): 410# -, Type: I/II Mix Number: Fine Agg.(lbs): 1520# Slump Spec: 4"±l" Coarse Agg.(lbs/size): i1560# 7/8 Slag(lbs): WIC Ratio Spec: 0.532 Coarse Agg.(lbs/size) 06#Pea Gravel Air Spec: See Note Coarse Agg.(lbs/size): 6 ` = Total Yards: 70 Fly Ash(lbs): ` 50# --- ',';:- Placed Placed Via: Pump Water(lbs or gal): ;- 30 gal. Consolidated: Yes Admixtures(specify): Required Strength: 3000 psi at 28 days. Sampling and Testing Data' Time Cubic Water Stump Air:% ConeTemp Ambient Truck Ticket ....,ASTM C•172,C 31 Made Yards Added ? C 143 C 231 . ;'C 1064 Temp No. No Cast Samples: 1-4 12:45;pm 10.00 0 gal. 4.25" N/A 69°F 60°F C183 197391 Weather: Partly Cloudy Slump Range: Air%Range: -- Date Samples Picked-Up: 10/9/2017 Initial Curing Method: ASTM C31,Exclude C31-121.5 Initial Curing Temp: Amar c31.Exclude c31-10.1.2 Comments On approved plan calls for 5+-1%air entrainment in the concrete but the CT engineer approved mix without air.A copy of engineer approval attached. REINFORCING/PLACEMENT: Conforms:Ej Does Not Conform: ❑ COMPRESSIVE TEST RESULTS Specimen Test Field Age Size Area Weight Max Load Strength Fracture Type Number Date Cure (Days) (in.) • (.Sq.in.) (Lbs.) , (Lbs.) (psi) (other than cone) 1 10/13/17 _ 7 4" 4 x 8 12.56 8.7 ,:` : 47,910 3810 5 2 11/3/17 28 4 x 8 12.62 8.8 61,860 4900 5 3 11/3/17 28 ' 4 x 8 12.62 8.8 62,760 4970 5 4 11/3/17 x28 ; 4 x 8 .12.62 8.8 67,610 5360 3 *=Discarded Tested in general accordance to: AS 'MC39 0 ASTMC617❑ ASTMC1231 ❑ Copies to: ❑Client ❑ Engineer ❑ Building Dept It ❑Owner © Contractor 0 Batch Plant Technical Responsibility: ❑Architect ❑Others /��er Ha sen,Project Manager This report applies only to the items tested or reported and is the exclusive property of Otto Rosenau&Associates,Inc. Reproduction of this report except in full,without written permission from our.firm is strictly prohibited. 6747 M.L.King Way S.,Seattle,Washington 98118 Phone(206)725-4600 or 1-888-OTTO-4-US—Fax(206)723-2221 Form No.:ADMIN-62-04(Rev 09/06) - o I/ 1