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Specifications (NORMAL WEIGHT UNITS)

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Normal Weight Concrete Masonry Units manufactured by Chicopee Mason Supplies, Inc / R. Ducharme, Inc, Chicopee, MA shall comply with all requirements of the current issue of the following standards and with other requirements specified herein.

1. Hollow & Solid Loadbearing Units: Shall comply with all provisions as ASTM C90-96, Type I, Class I, Moisture Controlled Units.
2. Compressive Strenghts: All units shall a minimum compressive strength on the net area of 1900 PSI when tested in accordance with ASTM C-140
3. Normal Weight Concrete Masonry Units Shall be manufactured of normal weight siliceous aggregates conforming to ASTM C-33.