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BCI blocking panels or x-bracing are required at cantilever supports. Support Figure 4-5 MINIMUM PERMISSIBLE HOLE LOCATIONS FLOORS FLOORS ❏ Ensure a minimum bearing length for BCI joists. • A bearing of 13⁄4 in. is required at end supports. • A bearing of 31⁄2 in. is required at cantilever and intermediate supports. ❏ Ensure that nailing requirements are met for BCI rim joists, rim boards, or closure panels to BCI joists: • BCI 400 and 450: Two 8d box nails, one each in the top and bottom flange.

Support Figure 4-5 MINIMUM PERMISSIBLE HOLE LOCATIONS FLOORS FLOORS ❏ Ensure a minimum bearing length for BCI joists. • A bearing of 13⁄4 in. is required at end supports. • A bearing of 31⁄2 in. is required at cantilever and intermediate supports. ❏ Ensure that nailing requirements are met for BCI rim joists, rim boards, or closure panels to BCI joists: • BCI 400 and 450: Two 8d box nails, one each in the top and bottom flange. • BCI 600 rim joist: Two 16d box nails, one each in the top and bottom flange.

Header joists <4 ft may be a single member. Use a double member if more than 4 ft. • Hangers must be used if header joists are > 6 ft. • Engineered floor trusses cannot be altered! • Sawn beams (4 in. and more) cannot be notched, drilled, or cut except at their ends for a ledger (1⁄4 the depth). • Doubled joists that are separated to allow for piping or vents are to be fully depth blocked by lumber not less than 2 in. and blocking is not to be spaced more than 4 ft OC. CANTILEVERED JOISTS Refer to Figure 4-3 and Tables 4-1 to 4-4 for cantilevered joist span specifications.

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