HomeMy WebLinkAboutCCOR 09-22-2026 798-210Concrete 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:9/22/2026
Client:Wright-Pierce Client Rep:Rayssa FonteWeather:Clear 67 - 69°F S.W.COLE Rep:Alexander
Charnitsky
General Contractor:Nickerson Time Onsite:04:30 - 08:30Placement Type: Footing Wall Slab Other
Placement Location:UV Effluent Walls
Concrete Placement Observations Observed Comments
Required mix used Yes 4500psi, 3/4, 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:798-210 *Refer to associated concrete test report
Notes:
As requested by Wright-Pierce, S.W. COLE rep was onsite to perform concrete sampling and concrete
testing at the locations referenced above.
S.W. COLE rep Alex Charnitsky arrived onsite at approximately 4:30 AM to perform the requested
services.
S.W. COLE rep observed concrete placement during the sampling and testing activities.
Concrete Delivery Truck 73, Load 1, arrived onsite carrying approximately 10.25 cubic yards of 4,500-
psi concrete containing 3/4-inch aggregate. Project personnel added Sika 75 admixture to the concrete
prior to placement. The contractor placed the concrete via pump truck.
Approximately 41 cubic yards of concrete were placed during this visit. One set of field tests was
performed on sampled concrete and yielded the following results:
Truck 73 – Load 1
Slump: 8.5 inches
Air Content: 4.5%
Concrete Temperature: 74°F
One set on 4x8 cylinders was fabricated for laboratory testing at 7, 14, 28 (3), and one hold cylinder.
Attachments: 1 Photos Reviewed by:9/23/2026 Kaylie O'Su iv Kaylie O'Sullivan
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