Observations/Finding

At the request of the client’s representative, AS ENGINEERING AND CONSULTING, LLC (ASEC) representative, Amin Azimi visited the job site to observe and monitor the contractor’s work activities from a quality standpoint to verify compliance with project drawings/specifications, applicable codes, and materials submittals and conducted QC testing per the project drawings and specifications.  The following observations were made on site this shift:

Observed the placement of 36 cubic yards of 3000 psi concrete for the retaining wall 10.

Prior to placement of concrete, the undersigned re-observed the final placement of the reinforcing steel that was omitted on the previous day (see ASEC report dated (12/28/2023).

The reinforcing steel was observed for correct size, number of bars, location of bars, spacing, cleanliness, support against displacement, splicing, clearance and steel grade. Based on observation and field measuring, the reinforcing steel at the above mentioned, previously omitted reinforcing steel appeared to be placed according to shop/field-use drawing, detention pond retaining wall, 1A of 3, dated 18 oct 2023.

Concrete observed on this date appeared to be placed in compliance with project specifications with regard to temperature, slump, air content, but batch to placement time is exceeded from specified time limit.

Note: notified contractor about thickness of the retaining wall.  According to project drawings, the wall thickness should be 10 inches, but was measured at 9.5 inches.