... directions COMMENTARY ON BUILDING CODE REQUIREMENTS FOR MASONRY STRUCTURES For masonry of hollow units, the minimum crosssectional area in both directions may conservatively be based on the ... bar position Fig 1.11-1 — Running bond masonry COMMENTARY ON BUILDING CODE REQUIREMENTS FOR MASONRY STRUCTURES 1.12.4 Protection of reinforcement 1.12.4.1 Reinforcing bars are traditionally not ... 1.14 “Section Properties for Concrete Masonry, ” NCMA-TEK 14-1, National Concrete Masonry Association, Herndon, VA, 1990 1.15 ACI Committee 318, Building Code Requirements for Reinforced Concrete...