in the requirements of ASTM C31.
(7) Test the specimens for strength in accordance with
the requirements of ASTM C39.
(c) Duties of contractor.--A contractor shall provide power
(110v), water, space for the initial curing container for use by
the owner's testing agency, security and timely access to the
storage location of the concrete test specimens.
(d) Initial curing of test specimens.--The initial curing of
test specimens shall be conducted as follows:
(1) The initial curing environment surrounding test
specimens shall be monitored by a digital system that records
temperature at least every hour, within the range of 30
degrees Fahrenheit to 120 degrees Fahrenheit and to an
accuracy of 1 degree Fahrenheit, and provide software to
access the stored data.
(2) When requested, the output from the automated
temperature measuring device shall be made available in real
time to the contractor, concrete supplier, concrete special
inspector, licensed design professional and building code
official. The output from the automated temperature device
shall be included in the concrete strength report issued by
the owner's testing agency.
(e) Technician requirements.--Sampling, casting of test
specimens and providing, maintaining and monitoring of initial
curing shall be conducted by a technician holding a current ACI
Grade I Concrete Field Testing Technician certification.
(f) Final curing and testing of specimens.--Final curing and
testing of specimens for strength shall be done in accordance
with the requirements of ASTM C31 and ASTM C39 by a technician
holding a current ACI Concrete Strength Testing Technician
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