-
Ingredient materials for concrete are managed to maintain their
characteristics.
-
The production facility has the capability of producing
concrete in cold
weather.
-
The batching systems in operation are defined and measuring devices are verified for accuracy at stated frequencies.
-
The batching systems are capable of accurately batching
concrete without interferences.
-
The batching process complies with the required tolerances stated in
industry standards.
-
There are systems in place and operational to account for aggregate
moisture when batching concrete.
-
There are systems in place and operational to manage the required slump
and consistency of concrete.
-
Production facilities with a plant mixer (central mixing plant) is
of adequate condition to produce uniformly mixed concrete.
-
The production facility issues a delivery ticket that conforms
to the mandatory reporting requirements of ASTM C 94.
-
Evaluates the recording capabilities for batched materials at
the concrete plant and states such on the certificate.
-
That 90% of the delivery fleet operating from the plant maintain current certification.
-
The delivery fleet has the ability, via a visual inspection, to produce
uniformly mixed concrete and has necessary devices in proper operating
condition.
-
Requires attestation to the completeness of the inspection by a licensed
professional engineer.
-
Requires statement by a company official that the accuracy of measuring
devices will be maintained in conformance for the duration of the
certification.
-
Inspectors and their assistants have to go through a
qualification
process and be approved by NRMCA to conduct inspections for this program.
The qualification process requires a thorough reading of the plant
inspectors guide followed by answering a series of questions, submission of
a statement of qualifications and signing a pledge.
