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FIELD REPORT
Date Project Name Project No. Report No.
05/20/2022 Renton Elementary School 16 20180398E003 010
Location Municipality AESI Project Manager AESI Field Rep
1075 Duvall Ave NE Renton Bruce Guenzler, L.E.G. Kelsey McCrady
Permit No. Client/Owner Attn Requested By
Renton School District No. 403 Ed Thomson Client
Engineer/Architect General Contractor Grading Contractor Weather
LPD / Hutteball + Oremus Cornerstone Continental Dirt Contractors/ Jerry Jr. Partly cloudy, 50’s
THE FOLLOWING WAS NOTED:
Associated Earth Sciences Inc. (AESI) was on site, as requested, to observe building footing subgrade preparation. Upon arrival, we
met with representatives from Cornerstone and Continental Dirt Contractors (CDC).
Building Footing Subgrade Preparation:
Upon arrival, CDC was preparing footings for Area A in the future building. At planned footing subgrade elevation, a moist to very moist,
gray to orange, sand with silt (native till) was observed. AESI probed footing subgrades to depths of less than 2 inches and noted the
material appeared firm and unyielding underfoot. The contractor then placed 4-inches of 2.5-inch minus crushed rock along the bottom
of excavations to protect the subgrade. The material was compacted using a vibratory sled compactor. All footings observed today
appear suitable for the design loads. See Figure 1 below for locations.
Figure 1: Footing subgrades observed today highlighted in green.