3314.12.3 Materials and construction for wood pole scaffolds.
BC § 3314.12.3
Wood pole scaffold materials and construction shall comply with the following requirements: 1. All lumber used in wood pole scaffolds or their supports shall be at least equal in strength and quality to construction grade lumber in accordance with Section 2301.
2.All lumber and timber shall be fastened at the various joints with sufficient nails or bolts of a suitable size to produce a secure joint capable of withstanding the design load. Table 3314.12.3 provides minimum requirements for size and number of nails. All nails shall be driven full length.
3.Any other suitable material, or dimensions other than those indicated, may be used for wood pole scaffold construction provided it is at least equivalent in strength and suitability to the comparable wood scaffold it is designed to replace, and approval of the commissioner has been obtained. Table 3314.12.3Size and Number of Nails Required for Scaffold Construction Thickness ofSmaller Member (in.)Trade Size of NailLength of Nail (in.)1 8d 2 1/22 20d 4 3 60d 6 4 — 8 Width of Smaller Member (in.)Minimum Number of Nails Required4 2 6 3 8 4 10 5 12 5
