(1)Mortar used in reinforced brickwork shall be of class A or class B.

(2)Mortar used for grouting shall be of class A or class B, with additional water in order to produce a consistency which will enable such mortar, or grout, to be poured without causing segregation.

(3)Grout shall not be used in horizontal joints.

Permissible Stresses In Reinforcement Brickwork