(1) Except as provided in Sentences (2), (4) and (5), guards shall be designed to resist the specified loads prescribed in Table 9.8.8.2.
(2) For guards within dwelling units and in exterior guards serving not more than 2 dwelling units, where the width and spacing of pickets are such that three pickets can be engaged by a load imposed over a 300 mm width, the load shall be imposed so as to engage three pickets.
(3) None of the specified loads prescribed in Table 9.8.8.2. need be considered to act simultaneously.
(4) For guards within dwelling units and for exterior guards serving not more than 2 dwelling units, Table 9.8.8.2. need not apply where the guard construction has been demonstrated to provide effective performance.
(5) Guards constructed in accordance with the requirements in MMAH Supplementary Standard SB-7, “Guards for Housing and Small Buildings” shall be deemed to satisfy the requirements of Sentence (1).