#CATENARY SCAFFOLD PROFESSIONAL#

Exemption: There may be more than one inch between platform units if all of the following are met:

Between adjacent units, and between the platform and the uprights.

Make sure platforms are properly planked or decked Fully plank or deck each platform between the front uprights and the guardrail supports on all working levels of a scaffold so that there’s no more than one inch (2.5 cm):.

Reference: The minimum strength requirements are found in the following sections: Exemption: Different types of metals may be used together if a competent person determines that galvanic action won’t reduce the strength of any component to less than the minimum strength required.

Make sure scaffold components made of different metals aren’t used together.

Make sure a qualified person determines that modifying components in order to intermix them will result in a structurally sound scaffold.

Make sure intermixed scaffold components: Fit together without force and maintain the scaffold’s structural integrity.

Maintain structural integrity when intermixing scaffold components.

Done by experienced and trained employees selected by the competent person.ĭefinition: A competent person is someone who is capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees and has the authority to take prompt corrective measures to eliminate them.

Supervised and directed by a competent person qualified in scaffold erections, moving, dismantling or alteration and.

Make sure scaffolds are erected, moved, altered, or dismantled only when the work is:.

Make sure scaffolds are erected, moved, altered, or dismantled by appropriate.

Extensive knowledge, training, and experience.

#CATENARY SCAFFOLD PROFESSIONAL#

A recognized degree, certificate, or professional standing or.Prohibit the use of shore and lean-to scaffolds Definition: A qualified person is one who has demonstrated the ability to solve problems related to the subject matter, work, or project.Make sure scaffolds are: Designed by a qualified person and Constructed according to that design.Make sure scaffolds are properly designed and constructed.WAC 296-874-200: General Requirements for Scaffolds A supported scaffold is one or more platforms supported by rigid means such as outrigger beams, brackets, poles, legs, uprights, posts, or frames.A suspended scaffold is one or more platforms suspended from an overhead structure by ropes or other nonrigid means.A scaffold is a temporary elevated platform, including its supporting structure and anchorage points, used for supporting employees or materials.For personnel platforms supported by powered industrial trucks (PITs), go to WAC 296- 863.For crane or derrick suspended personnel platforms, go to WAC 296-24-23533.For elevating work platforms and aerial lifts, go to Elevating Work Platforms, WAC 296-24-875.Additional requirements for the following types of platforms are found in the General Safety and Health Standards, Chapter 296-24 WAC.Personnel platforms supported by powered industrial trucks (PITs).

Crane or derrick suspended personnel platforms.Boom-supported elevating work platforms.Self-propelled elevating work platforms.Manually propelled elevating work platforms.

This chapter applies to suspended and supported scaffolds, including their supporting structures and anchorage points.Įxemption: This chapter doesn’t apply to: PLU Hazardous Waste Management Plan Appendix.Tools, Equipment, and Construction Safety.Respirator Program Evaluation and Updates.Medical Evaluation & Post Exposure Follow-up.Housekeeping and Infectious Waste Management.Bloodborne Pathogen Exposure Control Plan.

Catenary scaffold