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Kirkland | Tacoma | Mount Vernon 425-827-7701| www.aesgeo.com
Date Mailed:
Principal / PM: Bruce Guenzler, L.G., L.E.G.
This document is considered a DRAFT until signed or initialed by an AESI Principal or Project Manager
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FIELD REPORT
Date Project Name Project No. Report No.
08/22/2022 Renton Elementary School 16 20180398E003 053
Location Municipality AESI Project Manager AESI Field Rep
1075 Duvall Ave NE Renton Bruce Guenzler, L.E.G. Gus Carlson, G.I.T.
Permit No. Client/Owner Attn Requested By
B21004604 Renton School District No. 403 Ed Thomson Contractor
Engineer/Architect General Contractor Grading Contractor Weather
CPL / Hutteball + Oremus Cornerstone/Kyle Continental Dirt Contractors/ Jerry Jr. Cloudy, 80’s
THE FOLLOWING WAS NOTED:
Associated Earth Sciences Inc. (AESI) was onsite at 9:30am to observe compaction of backfill over Detention Facility #1B. Upon arrival,
we met with Jerry Jr. of CDC.
Detention Facility #1B
Backfill and compaction of fill material over Detention Facility #1B had been completed prior to the arrival of the AESI representative.
Jerry Jr. with CDC informed us that fill over the aggregate was 3’ on the south side and 1.5’ on the north side of the detention facility.
Using a nuclear densometer, AESI preformed compaction tests on the uppermost lift of the detention facility backfill. All tests were
found to meet or exceed the minimum compaction of 95%. Jerry Jr. with CDC was informed of the passing results. Compaction test
locations can be seen in Figure 1, compaction test results can be seen in Table 1.
AESI plans to return to the site on Tuesday, 08/23/2022, to observe backfill of the storm trench to the south of Detention Facility #1B.
Table 1: Compaction Test Results
Test
Number Test Location
Thickness of fill
over Aggregate
(ft)
Dry Density
(pcf) % Moisture
Proctor (pcf) /
Optimum %
Moisture % Proctor Pass/Fail
1 See Figure 1 3 121.6 7 126.9 / 10.5 96 Pass
3 See Figure 3 2 122.7 6.5 126.9 / 10.7 97 Pass
4 See Figure 4 2 121.9 5.8 126.9 / 10.8 96 Pass
5 See Figure 5 1.5 119.9 6 126.9 / 10.9 95 Pass
6 See Figure 6 1.5 121.2 6.6 126.9 / 10.10 96 Pass
7 See Figure 7 2 124.2 7.7 126.9 / 10.11 98 Pass
8 See Figure 8 3 122.4 7.2 126.9 / 10.12 96 Pass
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Date Project Name Project No. Report No.
08/22/2022 Renton ES 16 20180398E003 053
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FIELD REPORT
Figure 1: Site Plan, clip rom sheet C2.1. Approximate area of backfill observed today highlighted in blue. Approximate location of
compaction tests noted in red.
6
4
3
2
1
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7
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Date Project Name Project No. Report No.
08/22/2022 Renton ES 16 20180398E003 053
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FIELD REPORT
Image 1: Looking East from catchbasin SD#37. Backfill over Detention Facility #1B. Grade slopes down to the North.