HomeMy WebLinkAbout20180398E003_Renton_ES_16_2022-06-17_FR_024
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.
06/17/2022 Renton Elementary School 16 20180398E003 024
Location Municipality AESI Project Manager AESI Field Rep
1075 Duvall Ave NE Renton Bruce Guenzler, L.E.G. Zach Brodkey
Permit No. Client/Owner Attn Requested By
B21004604 Renton School District No. 403 Ed Thomson Client
Engineer/Architect General Contractor Grading Contractor Weather
CPL / Hutteball + Oremus Cornerstone Continental Dirt Contractors/ Jerry Jr. Drizzle, 60’s
THE FOLLOWING WAS NOTED:
AESI was on site mid-morning to early afternoon, roughly 11:30am to 2:30 pm, and met with the grading contractors (CDC). While on-
site, subgrade conditions were observed near the elevator shaft location in building area D and near a series of concrete footers in
building area C. Sediment and erosion control conditions were noted due to the rain (photo 3). Imported 2-½” minus crushed rock
was observed being laid over 2-4” quarry spall near the Northwest corner of the building footprint (photo 4).
Subgrade Observations- Building Area D Gridline A9-A10/DC-DE:
The areas where fill was observed are highlighted in figure 1. On the North, East, and West sides of the elevator shaft the fill passed
probe testing, but on the South side of the elevator shaft, pumping was observed, and hand probing fully penetrated the new fill with
only moderate effort. Wet native soil from the site (outwash sand) was mixed in with the 2-½” minus building material, causing the
high water content and pumping. Only 2-½” minus was used in the replacement material and the stability was confirmed after re-
compaction. We informed CDC and Cornerstone of the results.
Figure 1. Building Area D showing zone of fill and fill which had to be replaced
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Date Project Name Project No. Report No.
06/17/2022 Renton ES 16 20180398E003 024
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FIELD REPORT
Photo 1. Area of replaced fill South of the elevator shaft, after re-compaction, successfully supporting heavy equipment
Subgrade Observations- Building Area C Gridline A9-A11/AM-AP:
In the area in and around the six spread footings pictured in the highlighted section of figure 2, fill was compacted up to the
subgrade (even with the tops of the footings) with imported 2-½” minus building material. The area was qualitatively observed and
probed and appeared firm and unyielding.
Figure 2. Building Area C showing zone of fill
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Date Project Name Project No. Report No.
06/17/2022 Renton ES 16 20180398E003 024
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FIELD REPORT
Photo 2. Fill observed in and around concrete footings in building C
Photo 3. Drainage of the site to the North end, no turbid waters leaving the project.
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Date Project Name Project No. Report No.
06/17/2022 Renton ES 16 20180398E003 024
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FIELD REPORT
Photo 4. Only other area of fill placed on 6/17/22, pads of imported building material laid to reinforce construction road on top of
existing material and quarry spall