Scaffold erectors and dismantlers should all receive the general overview, and, in addition, specific training for the type of supported scaffold being erected or dismantled. The Agency believes that employees erecting or dismantling scaffolds should be trained in the following topics: This appendix D is provided to serve as a guide to assist employers when evaluating the training needs of employees erecting or dismantling supported scaffolds. (Non-mandatory) Appendix D to Subpart L of Part 1926-List of Training Topics for Scaffold Erectors and Dismantlers Maximum vertical spacing of horizontal members Scaffold components which are not selected and loaded in accordance with this Appendix, and components for which no specific guidelines or tables are given in this appendix (e.g., joints, ties, components for wood pole scaffolds more than 60 feet in height, components for heavy-duty horse scaffolds, components made with other materials, and components with other dimensions, etc.) must be designed and constructed in accordance with the capacity requirements of § 1926.451(a), and loaded in accordance with § 1926.451(d)(1). ![]() State Plans are required to have standards and enforcement programs that are at least as effective as OSHAs and may have different or more stringent requirements. However, the guidelines do not provide all the information necessary to build a complete system, and the employer is still responsible for designing and assembling these components in such a way that the completed system will meet the requirements of § 1926.451(a). There are 29 OSHA-approved State Plans operating state-wide occupational safety and health programs. An employer may use these guidelines and tables as a starting point for designing scaffold systems. This appendix provides non-mandatory guidelines to assist employers in complying with the requirements of subpart L of this part. Wren T, Fawcett JN, Burdess JS (1989) Application of extensible catenary theory to determine the displacement of a moored ship.(Non-mandatory) Appendix A to Subpart L of Part 1926-Scaffold Specifications In: Proceedings of the ASME 2012 31st international conference on Ocean, Offshore and Arctic Engineering, Rio de Janeiro Webster WC, Lambrakos K, Kim J, Jing X (2012) Rod dynamics with large stretch. Vryhof anchors b.v., krimpen a/d yssel, the Netherlands, 2005 Smith RJ, Macfarlane CJ (2001) Statics of a three component mooring line. Skop RA (1988) Mooring systems: a state-of-the-art review. Samad FIA (2009) Performance of catenary mooring system. ![]() International Society of Offshore and Polar Engineers, Stavanger, p 7 Each scaffold platform and walkway must be at least 18 inches wide. In: The eleventh international offshore and polar engineering conference. ![]() Ruinen R, Degenkamp G (2001) Anchor selection and installation for shallow and deepwater mooring systems. In physics and geometry, a catenary ( US: / kætnri / KAT-n-err-ee, UK: / ktinri / k-TEE-nr-ee) is the curve that an idealized hanging chain or cable assumes under its own weight when supported only at its ends in a uniform gravitational field. Ma G, Sun LP, Shang-Mao AI et al (2015) A nonlinear mechanical model for extensible slender rods. A program for two-dimensional dynamic analysis of forces on mooring line by use of lumped mass method (an outline of programs compiled in Ship Research Institute-No. API Publishing Services, Washington, DCīanfield SJ, Flory JF (2009) Improved mooring line technology for tankers and gas carriers at exposed berths, OCEANS 2009 MTS/IEEE, Biloxi, Mississippi, USA. American Petroleum Institute (API) (2005) Design and analysis of station keeping systems for floating structures.
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