§ 6.16. Carpenters bracket scaffolds.
(a) Platforms. Platform boards shall be laid tightly together and shall overlap the brackets by at least 4 inches but not more than 6 inches. The boards shall be heavy enough to prevent springiness of the platform.
(b) Brackets. Brackets shall be spaced at intervals not greater than 4 feet. There shall be at least three brackets underneath each board. In the erection of the brackets, provision shall be made for the placement of guardrails and toeboards.
(c) Bolts. The brackets shall have their supporting bolts near the top and such bolts shall be securely anchored and fastened. The practice of merely passing the bolt through the sheathing is prohibited and some additional means of anchorage shall be improvised depending upon the type of building. The bolt shall be at least 3/4 inch in diameter and shall be long enough to project at least 1 inch beyond the nut when in place.
(d) Protection. Protection shall be afforded as set forth in § 6.32 (relating to protection).
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