1313 75TH ST SW 2023-12-11 - Laserfiche WebLink

OTTO ROSENAU & ASSOCIATES, INC. Geotechnical Engineering, Construction Inspection & Materials Testing CONCRETE REPORT Job Number: 22-0835b Report Number: RC452780 Permit Number: B2208-109 Project: Middle Earth Holdings Foundation- Phase 2 Client: Helion Energy, Inc. Address: 1313 75th St SW, Everett Date: 02/22/2023 Inspector(s): John Fraser COMPRESSIVE TEST RESULTS Fracture Type Specimen Test Field Age Size Daily Average Weight Max Load Strength (other Number Date Cure (Days) (in.) Area (Sq.ln.) Diam. (In.) (Lbs.) (Lbs.) (psi) than cone) 1 02/24/2023 2 4 x 8 12.57 4.00 8.5 12,870 1020 5 2 02/27/2023 5 4 x 8 12.57 4.00 8.5 43,150 3430 5 3 03/01/2023 7 4 x 8 12.57 4.00 8.5 40,930 3260 5 4 03/08/2023 14 4 x 8 12.57 4.00 8.6 60,160 4790 5 6 03/22/2023 28 4 x 8 12.57 4.00 8.5 78,720 6260 5 7 03/22/2023 28 4 x 8 12.57 4.00 8.5 76,470 6080 5 28-day Average PSI: 6170 8 03/01/2023 7 4 x 8 12.57 4.00 8.4 45,290 3600 3 9 03/22/2023 28 4 x 8 12.57 4.00 8.5 85,990 6840 5 10 03/22/2023 28 4 x 8 12.57 4.00 8.4 85,720 6820 5 11 03/22/2023 28 4 x 8 12.57 4.00 8.5 85,140 6770 5 28-day Average PSI: 6810 12 03/01/2023 7 4 x 8 12.57 4.00 8.4 42,730 3400 5 13 03/22/2023 28 4 x 8 12.57 4.00 8.3 87,600 6970 5 14 03/22/2023 28 4 x 8 12.57 4.00 8.5 82,830 6590 5 15 03/22/2023 28 4 x 8 12.57 4.00 8.4 86,490 6880 5 28-day Average PSI: 6810 16 03/01/2023 7 4 x 8 12.57 4.00 8.4 47,100 3750 5 17 03/22/2023 28 4 x 8 12.57 4.00 8.3 94,240 7500 5 18 03/22/2023 28 4 x 8 12.57 4.00 8.2 102,430 8150 5 19 03/22/2023 28 4 x 8 12.57 4.00 8.3 100,130 7970 5 28-day Average PSI: 7870 20 03/01/2023 7 4 x 8 12.57 4.00 8.3 33,310 2650 5 21 03/22/2023 28 4 x 8 12.57 4.00 8.4 72,590 5780 5 22 03/22/2023 28 4 x 8 12.57 4.00 8.4 73,370 5840 5 23 03/22/2023 28 4 x 8 12.57 4.00 8.5 73,810 5870 5 28-day Average PSI: 5830 24 03/01/2023 7 4 x 8 12.57 4.00 8.6 41,950 3340 5 25 03/22/2023 28 4 x 8 12.57 4.00 8.3 94,170 7490 5 26 03/22/2023 28 4 x 8 12.57 4.00 8.3 93,590 7450 5 27 03/22/2023 28 4 x 8 12.57 4.00 8.5 90,920 7230 5 28-day Average PSI: 7390 28 03/01/2023 7 4 x 8 12.57 4.00 8.5 37,270 2970 3 29 03/22/2023 28 4 x 8 12.57 4.00 8.5 81,260 6470 5 30 03/22/2023 28 4 x 8 12.57 4.00 8.6 82,300 6550 5 31 03/22/2023 28 4 x 8 12.57 4.00 8.4 79,920 6360 5 28-day Average PSI: 6460 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-Fax(206)723-2221 Form No.:ADMIN-62c-04(Rev 09/06) Page 2 of 3