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BVTS NOTES
| (i) |
The above design values reflect both the windward and leeward capacity of the BVTS tie system, with the governing values listed.
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| (ii) |
The tabulated FERO tie system design values were formulated using working stress design following the procedures of CSA CAN3-A370-04 “Connectors for Masonry”, ACI/ASCE/TMS/518 and U.B.C. The values have been reduced to account for test result variation, and reflect a factor of safety of 2.25 (i.e., 75% of 3.0), as per Table 3 (A370).
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| (iii) |
The allowable mortar pull-out and push-out design load for 22 gauge corrugated strip ties embedded a minimum of 50 mm (2”) into 90 mm (3.5”) brick veneer utilizing either Type M, S or N mortar, exceeds or equals the recommended BVTS tie system design load.
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| (iv) |
The above design values relate to the capacity of the FERO tie component. A compatible fastener capable of resisting the design load must be selected.
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| (v) |
The above design values are based on test results utilizing 78 mm (3.07?) BVTS, standard 22 gauge corrugated masonry strip ties and a 100 mm (4?) cavity. No insulation or drywall sheathing was used. Note that for smaller cavity widths and/or with the addition of insulation and gypsum sheathing providing lateral tie support, increased tie system design loads and reduced tie system deflections may be realized. |
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Canadian Patent No 1,251,336
©2000-2007 Fero Corporation
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