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t.. <br />OTTO ROSENAU & ASSOCIATES, INC. <br />Geotechnical Engineering, Construction Inspection & Materials Testing <br />CONCRETE REPORT <br />Job Number: 16-0175 Report Number: RC405402 Permit Number: various <br />Project: Riverfront Simpson Client: Polygon Northwest <br />Address: 4312 30th Drive SE, Everett Address: 13810 SE Eastgate Way, Suite 410, Bellevue <br />Inspector(s): Brian Robertson Date: 02/12/2020 <br />Description/Location: Inspected reinforcing steel and concrete placement far foundation wails at the following lots: <br />- Lot 357 - address: 3006 47th Street SE - permit#: C1910-005 <br />- Lot 358 - address: 3004 47th Street SE - permit#: C1910-003 <br />Inspected reinforcing steel and concrete placement for footings at the following lots: <br />- Lot 359 - address: 2924 47th Street SE - permit#: C1910-004 <br />- Lot 360 - address: 2922 47th Street SE - permit#: C1910-006 <br />- Lot 361 - address: 2920 47th Street SE - permit#: C1910-013 <br />Electrical UFER ground rods and holdowns are in place. <br />The inspected work was found to be done as per the approved project documents. <br />Rebar Verified: Yes 2/12/2020 Brian Robertson (Grade 60) Mfg: Nucor <br />Ptacerrieret Data <br />Supplier. <br />Miles <br />Mix Number: <br />18350FP <br />Slump Spec: <br />4" t1" <br />W/C Ratio Spec: <br />0.532 <br />Air Spec: <br />n/a <br />Total Yards: <br />55.5 <br />Placed Via: <br />Boom Pump <br />Consolidated: <br />Yes <br />Y <br />gesi�n [�j - <br />Actual Batcl,t WeightsrCubicl(ard r �' <br />Cement (lbs/type): <br />4100 Type: i/II <br />Fine Agg. (lbs): <br />1570# <br />Coarse Agg. (lbs/size): <br />200# 3/8" Slag (lbs): <br />Coarse Agg. (lbs/size): <br />1650# 7/8" <br />Coarse Agg. (lbs/size): <br />Fly Ash (lbs): <br />60# <br />Water (ibs or gal): <br />30gal <br />Admixtures (specify): <br />Required Strength 3000 psi @ 28 days A <br />Saritpling. and Testing Data Tillie Cubic ' Whiter SIUmp Air % Conc Temp Ambient Truck TiciGet <br />AtM_:0 i �2,rC 31 Mltde i Yards Added C 143 : C 231 C 1064 Tetrlip wo Nor' <br />Cast Samples: 14 1:20 pm 11.00 5 gal. 4.5" n/a 61'F 44°F 1155 236438 <br />Weather: Cloudy Slump Range: 4"+/-1" Air % Range. n/a <br />Date Samples Picked Up: 2/13/2020 Initial Curing Method: ASTM cal. Exclude c31-12.1.6 Initial Curing Temp: AsnN car, Exclude c31=10.1.2 <br />-_ -_ <br />Comments <br />REINFORCINGIPLACEMENT: <br />Conforms: 91 <br />Does Not Conform: ❑ <br />COMPRESSIVE TEST RESULTS <br />Specimen <br />Test Field <br />Age <br />Size Area Weight <br />Max Load <br />Strength <br />Fracture Type <br />Number <br />Date Cure <br />(Days) <br />(in.)(Sq.ln.) (Lbs.) <br />(Lbs.) <br />(psi) <br />(other than cone) <br />1 <br />02/19/2020 <br />7 <br />4 x 8 12.5 8.7 <br />50,210 <br />4020 <br />5 <br />2 <br />03/11/2020 <br />28 <br />4 x 8 12.5 8.6 <br />72,450 <br />5800 <br />5 <br />3 <br />03/11/2020 <br />28 <br />4 x 8 12.5 8.6 <br />68,810 <br />5510 <br />5 <br />4 <br />03/11/2020 <br />28 <br />4 x 8 12.5 8.7 <br />69,310 <br />5550 <br />3 <br />• = Discarded <br />Tested in general accordance to: ASTMC39 S6 ASTMC617 ❑ ASTMC1231 ❑ <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 1-888-0TTO-4-US - Fax (206) 723-2221 _. <br />Form No.: ADMIN-62-04 (Rev 09/06) page 1 of 2 <br />s <br />