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QCML Criteria for Ductile Iron Frame and Grate or Cover (M8.03.0)

This criteria was qualified by MassDOT as of the date posted:

For Ductile Iron Frame and Grate or Cover to be listed on the Qualified Construction Materials List (QCML), products must meet the requirements of Subsection M8.03.0 of MassDOT’s Standard Specifications including all Material and Testing Requirements, as well as (samples sent to RMS for testing)

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Material Properties

Ductile Iron Frame and Grate or Cover must meet the requirements of Subsection M8.03.0 as well as the following material properties:

  • ASTM A536 Grade 80-55-06
  • AASHTO M 306

Submittal and Testing Requirements

A manufacturer requesting approval of Ductile Iron Frame and Grate or Cover shall furnish to MassDOT RMS the following:

  • If required, the material specifications and performance data for their product as specified under the MassDOT Testing Requirements section shown below.

All submittals shall be certified to be in conformance with the manufacturer’s instructions. Ductile Iron Frame and Grate or Cover qualified by MassDOT per the performance criteria shall be considered for placement on the MassDOT QCML.

MassDOT Testing Requirements:

The following criteria must be met as part of the product submission:

  • The manufacturer must certify that the product is in accordance with M8.03.00.
  • Must conform to the requirements of ASTM A536 Grade 80-55-06
  • Must conform to the requirements of AASHTO M 306
  • Shall be manufactured true to pattern in form and dimensions, free from pouring faults, cracks, blow holes and other defects affecting their strength and value for the service intended.

Independent Testing Requirements:

All submitted independent test results shall meet the following requirements:

  • The Certified independent test reports submitted must demonstrate conformance to M8.03.00, ASTM A536 and AASHTO M 306.
  • The Independent Lab must be recognized by the National Cooperation for Laboratory Accreditation (NACLA) in Construction Materials Engineering and Testing (CMET) or an equal program approved by Research and Materials.
  • All testing shall be performed by one Independent Lab unless approved by the Engineer.
  • Independent test reports must be dated within two (2) years from the initial submission.
  • Samples for all required testing shall be fabricated at the same time. Test reports shall denote the lot of material as well as the sample fabrication and testing dates.

Product Listing, Expiration, and Re-Approval

Once approved, the Ductile Iron Frame and Grate or Cover will be listed on the MassDOT QCML. The product shall remain on the approved list for five (5) years unless one of the following occurs:

  • MassDOT RMS determines that the Manufacturer or their products no longer meet the minimum requirements of the Standard Specifications.

A written request for re-approval must be submitted to the Department at least 60 days prior to the expiration date for the product to remain on the QCML. The manufacturer will be required to submit certified test reports demonstrating conformance to the specification.

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