HomeMy WebLinkAboutCCOR 07-20-2026 792-176Concrete Construction Observation Report
The S.W.COLE field representative is on-site at the request of our client to provide construction materials testing and to observe and document construction activities. The Contractor has soleresponsibility for schedule, site safety, methods, completeness and quality control.
58 Norfolk Ave, Easton, MA 02375 • Tel 508 822 6934 • www.swcole.com
Project Name:Town of Yarmouth Water Resource Recovery Facility Project NO.:25-0468Location:Yarmouth MA Date:7/20/2026
Client:Wright-Pierce Client Rep:Rayssa FonteWeather:Clear 67 - 69°F S.W.COLE Rep:Alexander
Charnitsky
General Contractor:Nickerson Time Onsite:06:30 - 10:15Placement Type: Footing Wall Slab Other
Placement Location:Walls on SBR Slabs 40 & 48
Concrete Placement Observations Observed Comments
Required mix used Yes 4500psi, 1 1/2", Sika 75
Concrete properly conveyed to all areas of placement Yes Pump Truck
Internal vibration / consolidation of concrete Yes Handheld vibrator
Even layering around openings and embedments Yes Concrete evenly layered and vibrated around
openings and embedments
Post placement observations (finishing, curing, etc.)Yes Concrete Manually Finished
Field Testing of Concrete performed:Yes
*CYLINDER SET NO:792-176 *Refer to associated concrete test report
Notes:
As requested by Rayssa (CDM Smith), S.W. COLE rep was onsite to perform concrete sampling, and concrete
testing at the locations referenced above.
S.W. COLE Construction Services representative Alex Charnitsky arrived onsite at approximately 6:30 AM.
Concrete placement was observed during the time of sampling and testing.
Concrete Delivery of Load 1 arrived onsite with approximately 11 cubic yards of 4,500‑psi concrete with
1‑1/2‑inch aggregate. Sika 75 admixture was added prior to placement. The concrete was placed via pump truck.
A total of 97 cy was placed today with one set of field tests performed on sampled concrete with the following results:
Truck 74 – Load 1
Slump: 8 inches
Air Content: 3.7 percent
Concrete Temperature: 81°F
Laboratory compressive strength test results will be reported separately upon completion of testing.
One set of 6x12 compression test cylinders were cast for laboratory testing at 7, 14, and 28 days (2), along with
one hold cylinder.
Test results and observations were verbally reported to the onsite client representative while onsite.
The S.W.COLE rep departed the site at approximately 10:15 AM after completing the requested services.
Attachments: 1 Photos Reviewed by:7/20/2026 Derek Me oDerek Mello
Concrete Construction Observation Report
The S.W.COLE field representative is on-site at the request of our client to provide construction materials testing and to observe and document construction activities. The Contractor has soleresponsibility for schedule, site safety, methods, completeness and quality control.
58 Norfolk Ave, Easton, MA 02375 • Tel 508 822 6934 • www.swcole.com