Material Properties
Reinforced Concrete Block must meet the requirements of Subsection M4.05.1 as well as the following material properties:
- ASTM C139
- ASTM C140
Clay Brick must meet the requirements of Subsection M4.05.2 as well as the following material properties:
- ASTM C67
- ASTM C32
Submittal and Testing Requirements
MassDOT Testing Requirements:
The following criteria must be met for Concrete Block and Clay Brick products, as part of the product submission:
- Clay Brick must meet specification M4.05.2, meet the material requirements of ASTM C32 and be sampled and testing in accordance with ASTM C67
- Concrete Masonry Units (Block) must meet specification M4.05.1, meet the material requirements of ASTM C139 and be sampled and testing in accordance with ASTM C140
QCML Listing, Expiration, and Re-Qualification
The Concrete Block and Clay Brick will be listed on the MassDOT QCML. The manufacturer shall be re-qualified on an annual basis. The product shall remain on the qualified list unless one of the following occurs:
- If the product’s technology changes.
- If the product formulation or technology changes, the Manufacturer shall notify MassDOT RMS.
- MassDOT RMS determines that the product no longer meets the minimum requirements.
A written request for re-qualification must be submitted to the Department at least 60 days prior to the expiration date to remain on the QCML.