... be required for one or more COMMENTARY ON SPECIFICATION FOR MASONRY STRUCTURES SC-7 of the following: shop drawings for reinforced masonry and lintels; sample specimens of masonry units, ... Bearing Concrete Masonry, ” (TR-75B), National Concrete Masonry Association, Herndon, VA, 1976. 1.5. Redmond, T.B., “Compressive Strength of Load Bearing Concrete Masonry Prisms,” National Concrete ... COMMENTARY ON SPECIFICATION FOR MASONRY STRUCTURES SC-9 1.18. “Recommended Practices and Guide Specifications for Cold Weather Masonry Construction,” International Masonry Industry All-Weather...