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15365 NE 90th Street, Suite 100 Redmond, WA 98052 Main (425) 449-4704 | Fax (425) 449-4711 www.esnw.com
FIELD REPORT
Project No. 0895.06 Page 1 of 3 Report ID 0895.06 E 04202022
Date Wed 4/20/2022 Weather 40F Cloudy
Arrival/Departure Time(s) 10:00 AM/ 10:30 AM 3:45 PM/ 4:15 PM Travel Time (hr) 1.25
Project Name Weatherly Inn
Location 4500 Talbot Road S., Renton
ESNW Rep. & Phone Jackson Lundgren 206-468-0991
Client Info/Contact RJ Development | Duane Meyer
General Contractor Info/Contact Johannsen | Brad
Permit No(s).
Reviewed By LAC
Initials/Date
SSR
Initials/Date Field Supervisor Project Manager
Limitations: The presence of our field representative at the site is to provide our client with a source of professional advice, opinions, and recommendations based upon the field representative’s observations and testing of the contractor’s work. Our services do not include supervision or direction of the contractor, their employees, or agents. Geotechnical recommendations for obtaining project objectives may be made by our representatives; however, direction of the actual work should come from the owner or contractor, as appropriate. The contractor is responsible for complying with the contract documents at all times, regardless of the presence of our field representative. Jobsite safety, including compliance with all applicable state or federal regulations, is the sole responsibility of the contractor. The observations, recommendations, and conclusions provided in this field report are preliminary until reviewed by the ESNW project manager.
As requested by the client, ESNW rep was onsite at the Weatherly Inn development to observe and test backfill along wall excavation. While onsite the following was observed: Wall Excavation Backfill: ESNW rep observed contractor placing a 6-inch perforated PVC drain pipe along the base of the wall. ESNW rep observed contractor bedding drain pipe in 1 ¼-inch clean crushed drain rock and wrapping in filter fabric. ESNW rep observed contractor had partially backfilled the western half of the wall with 12-inch loose lifts of 1 ¼-inch minus crushed recycled concrete. ESNW rep observed contractor had
achieved minimum compaction standards of 95% of the modified proctor value in tested locations.
ESNW rep observed the 6-block high eco block wall within the excavation remained stable, and native soil conditions were suitable for temporary vertical cut slope. The slopes of the excavation were observed to be stable and unchanging in their current temporary over steepened condition, however it is
the responsibility of the contractor to perform all necessary safety measures in accordance with state and federal regulations. Contractor should contact ESNW for further observations if any changes in slope condition occur. ESNW rep will return as requested by client for further observations.
Report ID 0895.06 E 04202022 Page 2 of 3
Earth Solutions NW, LLC
Fig. 1: Crushed recycled concrete backfill
Fig. 2: Crushed recycled concrete backfill
Report ID 0895.06 E 04202022 Page 3 of 3
Earth Solutions NW, LLC
Test Number Test Location Elevation Reference Proctor
Maximum Dry Density (pcf)
Test Moisture (%)
Test Dry Density (pcf) % of MDD
3 Wall Backfill SG 9 127.7 11 123.5 97
4 Wall Backfill -2’ SG 9 127.7 10.8 124.5 97
5 Wall Backfill -8’SG 9 127.7 9.7 120.9 95
6 Wall Backfill -6’ SG 9 127.7 10.4 122 96
7 Wall Backfill -10’SG 9 127.7 11.1 121.7 95
Fig. 3: Approximate location of tests 3-7 on wall backfill
Excavation
3
4 5/6
7