Loading...
HomeMy WebLinkAbout20160674E002 Bethany Corner 2021-04-23 FR 018.pdf Kirkland | Tacoma | Mount Vernon 425-827-7701| www.aesgeo.com Date Mailed: Principal / PM: Matthew A. Miller, P.E. This document is considered a DRAFT until signed or initialed by an AESI Principal or Project Manager Page 1 of 2 v.7.20 FIELD REPORT Date Project Name Project No. Report No. 2021-04-23 Bethany Corner 20160674E002 018 Location Municipality AESI Project Manager AESI Field Rep 16451 111th Ave SE Renton Matthew A. Miller, P.E. Alex Ybarra, Staff Geologist Permit No. Client/Owner Attn Requested By Mark Seek (Tiger Mountain Homes) Mark Seek Contractor Engineer/Architect General Contractor Grading Contractor Weather D.R. Strong Tiger Mountain Homes / Mark Fury Site Works/Dan Sunny, 50’s THE FOLLOWING WAS NOTED: Associated Earth Sciences, Inc. (AESI) arrived on site in the PM in order to observe earthwork activities. Upon arrival we met with Mark and Dan. Water Line Trench Backfill: Prior to our arrival Fury backfilled for water line trench (Fig 1). We were informed that pipe was bedded and covered in sand prior to backfill. We were informed that backfill was approximately 2.5’ thick comprised of imported gravelly sand with some silt. We were informed that backfill was placed in multiple lifts and compacted utilizing a vibratory ho-pac. AESI completed compaction tests on the surface and achieved results which meet minimum compaction specifications (Table 1). AESI departed the site in the PM and will return upon request. *Minimum 95% compaction required for passing result Test Location Apprx. Depth Below Final Grade (ft) Dry Density (psf) Moisture % Proctor (pcf) (ASTMD: 1557) Opt. M% %Compaction Pass/Fail* 1 Fig 1 1 135.1 8.3 140.6 6.6 96 Pass 2 Fig 1 1 134.9 8.1 140.6 6.6 96 Pass 3 Fig 1 1 136.1 7.4 140.6 6.6 97 Pass Table 1: Values for compaction tests completed. Date Project Name Project No. Report No. 2021-04-23 Bethany Corner 20160674E002 018 Page 2 of 2 FIELD REPORT Figure 1: Red outlined area shows the approximate location of water line trench backfill observed. Boxed numbers show the approximate location of compaction tests completed.