Specifications include, but are not limited to: The Consultant shall be responsible for completing the following tasks: 2.1 Observation and Testing Review plans and geotechnical reports. Confirm site preparation is performed in accordance with the geotechnical recommendations. Collect samples of soils for laboratory testing as directed by the GED. For budgeting purposes, assume the following tests will be required: three (3) laboratory compaction tests (ASTM D1557) three (3) sieve analysis tests (ASTM D6913) Confirm excavations extend to the minimum recommended depth(s). Observe the exposed subgrade at the bottom of all excavations and confirm they are suitable for backfill. Observe the installation/placement of temporary shoring, if required. Observe and test the fill placement and relative compaction. The Consultant must have the capability to test the relative compaction of fill using both a nuclear gauge and a sand cone. Compaction testing shall be performed in accordance with the Los Angeles Department of Building and Safety (LADBS), Grading Division’s requirements. Refer to the LADBS Information Bulletin P/BC 2023-028 for details. Observe CIDH pile excavations. Confirm fill materials are free of all debris, vegetation, roots, and other deleterious materials. Observe pipe bedding and trench backfill operations as part of construction activities. Submit daily reports to the GED before the end of each working day via email. Reports shall include results of compaction tests, description of construction activities and summaries of any verbal or written communication between the Inspector and any City or Contractor personnel present at the site.
