Copyright Goodheart-Willcox Co., Inc. Chapter 14 Wall Systems 295 Concrete Reinforced One-Piece Lintels with Wall Load Only Size of Lintel Clear Span of Lintel (ft) Bottom Reinforcement Height (in) Width (in) Size Designation of Bars Size of Bars 5 3/4 7 5/8 Up to 7 No. 2 3/8″ round deformed 5 3/4 7 5/8 7 to 8 No. 2 5/8″ round deformed 7 5/8 7 5/8 Up to 8 No. 2 3/8″ round deformed 7 5/8 7 5/8 8 to 9 No. 2 1/2″ round deformed 7 5/8 7 5/8 9 to 10 No. 2 5/8″ round deformed Portland Cement Association Figure 14-37. Specifications for one-piece reinforced concrete lintels. Concrete Reinforced Split Lintels with Wall Load Only Size of Lintel Clear Span of Lintel (ft) Bottom Reinforcement Height (in) Width (in) Size Designation of Bars Size of Bars 5 3/4 3 5/8 Up to 7 No. 1 3/8″ round deformed 5 3/4 3 5/8 7 to 8 No. 1 5/8″ round deformed 7 5/8 3 5/8 Up to 8 No. 1 3/8″ round deformed 7 5/8 3 5/8 8 to 9 No. 1 1/2″ round deformed 7 5/8 3 5/8 9 to 10 No. 1 5/8″ round deformed Portland Cement Association Figure 14-38. Specifications for reinforced concrete split lintels. Concrete Reinforced Lintels with Stirrups for Wall and Floor Loads Size of Lintel Clear Span of Lintel (ft) Reinforcement Web Reinforcement No. 6 Gauge Wire Stirrups, Spacings from End of Lintel–Both Ends the Same Height (in) Width (in) Top Bottom 7 5/8 7 5/8 3 None 2—1/2″ round No stirrups required 7 5/8 7 5/8 4 None 2—3/4″ round 3 stirrups, SP. :2, 3, 3 in 7 5/8 7 5/8 5 2—3/8″ round 2—7/8″ round 5 stirrups, SP. :2, 3, 3, 3, 3 in 7 5/8 7 5/8 6 2—1/2″ round 2—7/8″ round 6 stirrups, SP. :2, 3, 3, 3, 3, 3 in 7 5/8 7 5/8 7 2—1″ round 2—1″ round 9 stirrups, SP. :2, 3, 3, 3, 3, 3, 3, 3, 3 in Goodheart-Willcox Publisher Figure 14-39. Specifications for reinforced concrete lintels with stirrups. Steel Angles to Support 4″ Masonry Walls Span Size of Angle 0′–5′ 3″ × 3″ × 1/4″ 5′–9′ 3 1/2″ × 3 1/2″ × 5/16″ 9′–10′ 4″ × 4″ × 5/16″ 10′–11′ 4″ × 4″ × 3/8″ 11′–15′ 6″ × 4″ × 3/8″ 15′–16′ 6″ × 4″ × 1/2″ Goodheart-Willcox Publisher Figure 14-40. Specifications for lintels made of angle steel for 4″ masonry veneer.