The Ontario Building Code | Joists Supported by Beams
188.8.131.52. joists Supported by Beams
(a) joist hangers or other acceptable mechanical connectors, or
(b) not less than 38 mm by 64 mm ledger strips nailed to the side of the beam, except that 38 mm by 38 mm ledger strips may be used provided each joist is nailed to the beam by at least four 89 mm nails, in addition to the nailing for the ledger strip required in Table 184.108.40.206.
(3) When framed into the side of a steel beam, joists referred to in Sentence (1) shall be supported on the bottom flange of the beam or on not less than 38 mm by 38 mm lumber bolted to the web with not less than 6.3 mm diam bolts spaced not more than 600 mm apart.
(4) joists referred to in Sentence (3) shall be spliced above the beam with not less than 38 mm by 38 mm lumber at least 600 mm long to support the flooring="http://thehandyforce.com/flooring/" title ="Handyman flooring install Toronto">flooring.