Specifications (NORMAL WEIGHT UNITS)


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.


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