HomeMy WebLinkAboutCCOR 08-19-2026 792-189 to 792-191Concrete 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:8/19/2026
Client:Wright-Pierce Client Rep:Rayssa FonteWeather:Mostly Cloudy 65 - 80°F S.W.COLE Rep:Riley Nordahl
General Contractor:CDM Smith Time Onsite:05:30 - 10:50
Placement Type: Footing Wall Slab OtherPlacement Location:SBR Slabs 43,52,60 and 65
Concrete Placement Observations Observed Comments
Required mix used Yes 4500 psi, 1-1/2" aggregate, Sika Control 75
Concrete properly conveyed to all areas of placement Yes Concrete was directly conveyed using a pump truck
Internal vibration / consolidation of concrete Yes Concrete was consolidated with a handheld vibrator
Even layering around openings and embedments Yes Concrete was evenly layered around openings and
embedments
Post placement observations (finishing, curing, etc.)Yes Concrete was manually finished with a trowel
Field Testing of Concrete performed:Yes
*CYLINDER SET NO:792-189 to 792-191 *Refer to associated concrete test report
Notes:
As requested by CDM Smith, S.W.COLE rep. Riley Nordahl was onsite to perform concrete
field-testing services associated with the referenced concrete placement.
S.W.COLE Engineering Construction Services Technician Riley Nordahl arrived onsite at
approximately 5:30 AM. Upon arrival, the S.W.COLE rep. met with Rayssa Fonte of CDM Smith,
who provided an overview of the planned work activities for the day.
Concrete was supplied by Cape Cod Ready Mix and consisted of 1-1/2-inch, 4,500 psi concrete
with Sika Control 75 as an additive.
Approximately 285 cubic yards of concrete were placed during the observation period.
Concrete samples for field-testing and fabrication of compressive strength specimens were
obtained from Loads 2, 10, and 19 of the placement. Field-testing services were performed in
general accordance with applicable ASTM test procedures. Concrete test specimens were
fabricated from the sampled concrete for subsequent laboratory compressive strength testing
at one 7-day interval, one 14-day interval, and two 28-day intervals. One additional specimen
was retained as a hold sample.
Field Test Results – Load 2
Slump: 6.5 inches
Air Content: 4.25%
Concrete Temperature: 79°F
Field Test Results – Load 10
Slump: 6.5 inches
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
Air Content: 5.0%
Concrete Temperature: 81°F
Field Test Results – Load 19
Slump: 6.0 inches
Air Content: 4.0%
Concrete Temperature: 82°F
Based on the field-testing performed on the sampled concrete, the measured slump, air
content, and temperature values were observed to be within the project-specified acceptance
ranges at the time of testing.
Test results and observations were verbally reported to Rayssa Fonte of CDM Smith while
onsite.
Upon completion of the requested services, the S.W.COLE rep. departed the site at
approximately 10:50 AM
Attachments: 4 Photos Reviewed by:8/20/2026 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
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