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Concrete Test Report

Date :03/30/2026
Project No :2025C149
Client Company :Davidson Homes
Arrival Time :03/30/2026 06:00
Onsite Hours :06:00
Name of the Project :Grove at E. Thompson Mill Rd
Project Location :Buford
Weather :sunny
Departure Time :03/30/2026 12:00
ASEC Technician Name :Samara Simha Reddy Kandi

Concrete Placement Information

Location(S): N/A
Testing: 3 Set of concrete specimens (6 per set) were cast during the cast-in-place concrete pour at the above referenced location, in accordance with ASTM C31. The specimen will remain on site for the initial 24-48 hrs curing.
Compliance:

Field placement of concrete appeared to be in accordance with the project specifications (i.e., slump, temperature, etc) (refer to remarks below)

Deviations and/or noncompliances were noted during the field placement (refer to remarks below)
Specimen
Pick Up: 3 Sets of concrete specimens/ 6 specimen per set were picked up & transported to AS Engineering and Consulting LLC (ASEC) for curing and testing in accordance with ASTM C39, C670/1231
Field Curing: Specimen were stored for the initial 24 hours.
Near the poured structure
In an insulated curing box
Other
Remarks:

Field Test Data

Specimen Type Selection : Cylinder

Set Number :A
Date Sampled :03/30/2026
Sampled By :Samara Simha Reddy Kandi
Contractor :N/A
Truck Number :275
Time Batched :N/A
Location of Placement :Retaining wall
Number of samples cast :6
Ambient Temperature (°f) :50
Slump (in.) :4
Water added (gal.) :N/A
Laboratory Number :2026-080
Time Sampled :06:58
Weather Condition :sunny
Concrete Supplier :ernst Concrete
Mix ID :N/A
Quantity of Load (cu. yd.) :9
Sample Cast :3
Specified Strength :N/A
Concrete Temperature(°f) :55
Air Content (%) :4
Unit Weight (pcf) :145.2

Strength Test Results

Specimen Number Scheduled Test Date Date Tested Age (days) Dia(in.) Area (sq in.) Maximum Loads (lbf) Strength (lbs) % Design Strength Type of Fracture
1 04/02/2026 04/02/2026 3 3.98 12.41 46015 3710 Infinity Type 2
2 04/06/2026 04/06/2026 7 3.98 12.44 59192 4760 Infinity Type 2
3 04/06/2026 04/06/2026 7 3.98 12.41 55392 4460 Infinity Type 3
4 04/27/2026 N/A
5 04/27/2026 N/A
6 05/25/2026 N/A

UNLESS OTHERWISE SPECIFIED, TESTS WERE PERFORMED IN ACCORDANCE WITH ASTM TEST METHODS C31, C39, C138, C143, C173, AND C1064. FRACTURE TYPE INDICATED BY NUMBER.

(Type 1) Cone (Type 2) Cone-split (Type 3) Vertical (Type 4) Shear (Type 5) Edge Fracture (Type 6) Pointed

Field Test Data

Specimen Type Selection : Cylinder

Set Number :B
Date Sampled :03/30/2026
Sampled By :Samara Simha Reddy Kandi
Contractor :N/A
Truck Number :142
Time Batched :N/A
Location of Placement :Retaining wall
Number of samples cast :6
Ambient Temperature (°f) :59
Slump (in.) :4
Water added (gal.) :N/A
Laboratory Number :2026-080
Time Sampled :07:49
Weather Condition :sunny
Concrete Supplier :ernst concrete
Mix ID :N/A
Quantity of Load (cu. yd.) :9
Sample Cast :3
Specified Strength :N/A
Concrete Temperature(°f) :62
Air Content (%) :4.1
Unit Weight (pcf) :142

Strength Test Results

Specimen Number Scheduled Test Date Date Tested Age (days) Dia(in.) Area (sq in.) Maximum Loads (lbf) Strength (lbs) % Design Strength Type of Fracture
1 04/02/2026 04/02/2026 3 3.98 12.44 34249 2750 Infinity Type 2
2 04/06/2026 04/06/2026 7 3.99 12.47 41014 3290 Infinity Type 5
3 04/06/2026 04/06/2026 7 3.98 12.41 42798 3450 Infinity Type 6
4 04/27/2026 N/A
5 04/27/2026 N/A
6 05/25/2026 N/A

UNLESS OTHERWISE SPECIFIED, TESTS WERE PERFORMED IN ACCORDANCE WITH ASTM TEST METHODS C31, C39, C138, C143, C173, AND C1064. FRACTURE TYPE INDICATED BY NUMBER.

(Type 1) Cone (Type 2) Cone-split (Type 3) Vertical (Type 4) Shear (Type 5) Edge Fracture (Type 6) Pointed

Field Test Data

Specimen Type Selection : Cylinder

Set Number :C
Date Sampled :03/30/2026
Sampled By :Samara Simha Reddy Kandi
Contractor :N/A
Truck Number :103
Time Batched :N/A
Location of Placement :Retaining wall
Number of samples cast :6
Ambient Temperature (°f) :60
Slump (in.) :6
Water added (gal.) :N/A
Laboratory Number :2026-080
Time Sampled :09:44
Weather Condition :sunny
Concrete Supplier :ernst concrete
Mix ID :N/A
Quantity of Load (cu. yd.) :9
Sample Cast :3
Specified Strength :N/A
Concrete Temperature(°f) :65
Air Content (%) :4.5
Unit Weight (pcf) :143.2

Strength Test Results

Specimen Number Scheduled Test Date Date Tested Age (days) Dia(in.) Area (sq in.) Maximum Loads (lbf) Strength (lbs) % Design Strength Type of Fracture
1 04/02/2026 04/02/2026 3 3.98 12.41 48758 3930 Infinity Type 2
2 04/06/2026 04/06/2026 7 3.98 12.41 58741 4730 Infinity Type 6
3 04/06/2026 04/06/2026 7 3.97 12.38 63185 5100 Infinity Type 2
4 04/27/2026 N/A
5 04/27/2026 N/A
6 05/25/2026 N/A

UNLESS OTHERWISE SPECIFIED, TESTS WERE PERFORMED IN ACCORDANCE WITH ASTM TEST METHODS C31, C39, C138, C143, C173, AND C1064. FRACTURE TYPE INDICATED BY NUMBER.

(Type 1) Cone (Type 2) Cone-split (Type 3) Vertical (Type 4) Shear (Type 5) Edge Fracture (Type 6) Pointed

Technician Signature / DateSamara Simha Reddy Kandi, March 30, 2026
Reviewer Name / DateKenneth Mosman, April 13, 2026