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09.12.38.00.htm 09.12.38.00. Title 09 MARYLAND DEPARTMENT OF LABOR Subtitle 12 DIVISION OF LABOR AND INDUSTRY Chapter 38 General Industry Standard for Personnel Platforms Suspended from Cranes, Derricks, and Hoists Authority: Labor and Employment Article, ยง2-106(b)4) and 5-312, Annotated Code of Maryland
09.12.38.01.htm 09.12.38.01. 01 Scope.. This chapter applies to the design, construction, testing, use, and maintenance of personnel platforms, and the hoisting of personnel platforms on the load lines of cranes, derricks, and hoists.
09.12.38.02.htm 09.12.38.02. 02 Definitions.. A. In these regulations, the following terms have the meanings indicated.. B. Terms Defined.. 1) "Competent designated person" means a knowledgeable person approved or assigned by the employer who has the authority to take prompt corrective measures to eliminate identified existing or predictable hazards in the surroundings, working conditions, or equipment which may be dangerous to employees.2) Crane.. a) "Crane" means a machine driven manually or by p
09.12.38.03.htm 09.12.38.03. 03 Restricted Use.. A. Except when the erection, use, and dismantling of conventional means of reaching the worksite, such as a personnel hoist, ladder, stairway, aerial lift, elevating work platform, or scaffold either would be more hazardous, or is not possible because of structural design or worksite conditions, the use of a crane, derrick, or hoist to hoist employees on a personnel platfoB. When used, a personnel platform shall meet the applicable requirements of this chapter..
09.12.38.04.htm 09.12.38.04. 04 Operational Criteria.. A. Free fall is prohibited.. B. The use of machines having live booms is prohibited.. C. A jib, boom extension, or similar attachment may not be used to hoist a personnel platform.. D. Except where the electrical distribution, transmission, and service lines have been deenergized and visibly grounded at the point of work or where insulating barriers not a part of or an attachment to the cranes and hoists have been erected to prevent physical contact wit
09.12.38.05.htm 09.12.38.05. 05 Instruments and Components.. A. A crane with variable angle booms shall be equipped with a boom angle indicator, readily visible to the operator.B. A crane with telescoping booms shall be marked or equipped with a device to indicate clearly to the operator at all times the boom's extended length.C. Except for an electric crane, the load line hoist drum shall have a system or device on the power train, other than the load hoist brake, that:
09.12.38.06.htm 09.12.38.06. 06 Personnel Platforms.. A. Design Criteria.. 1) A personnel platform and suspension system shall be designed by a qualified engineer or a qualified person competent in structural design.2) Before a rigid suspension system is used with a personnel platform, the suspension system shall be approved by a qualified engineer.3) The suspension system shall be designed to minimize tipping of the platform due to movement of employees occupying the platform.4) The personnel platform
09.12.38.07.htm 09.12.38.07. 07 Rigging.. A. When a wire rope bridle is used to connect the personnel platform to the load line, each bridle leg shall be connected to a master link or shackle in such a manner to ensure that the load is evenly divided among the bridle legs.B. A hook on an overhaul ball assembly, a lower load block, or other attachment assembly shall be:. 1) Of a type that can be closed and locked, eliminating the hook throat opening; or. 2) A forged steel anchor type shackle with either
09.12.38.08.htm 09.12.38.08. 08 Trial Lift.. A. Mobile Cranes.. 1) A trial lift with the unoccupied personnel platform loaded at least to the weight of the maximum intended load shall be:a) Made from ground level, or any other location where employees will enter the platform, to each location to which the personnel platform will be hoisted and positioned; andb) Performed immediately before placing employees on the platform.. 2) A trial lift may be performed at one time for all locations that are to
09.12.38.09.htm 09.12.38.09. 09 Prooftesting of Platform and Rigging.. A. An employer may not hoist employees on a personnel platform until the following prooftesting requirements are satisfied.B. The platform and rigging shall be prooftested to 125 percent of the platform's rated capacity.. C. Prooftesting shall be performed by holding the platform in a suspended position for 5 minutes with the test load evenly distributed on the platform.D. After prooftesting:.
09.12.38.10.htm 09.12.38.10. 10 Certification Record.. A. The employer shall prepare a certification record which includes:. 1) The date the personnel platform items were inspected;. 2) The signature of the person who inspected the personnel platform items;. 3) A serial number, or other identifier, for the personnel platform inspected; and. 4) The date of the prooftest.. B. The most recent certification record shall be maintained on file until a new one is prepared..
09.12.38.11.htm 09.12.38.11. 11 Work Practices.. A. Except for an occupant of the platform performing the duties of a signal person, employees shall keep all parts of the body inside the platform during raising, lowering, and positioning.B. When employees are to exit or enter a hoisted personnel platform that is not landed, the platform shall first be secured to the structure where access or egress is to take place, unless securing to the structure creates an unsafe situation.C. When employees work fr
09.12.38.12.htm 09.12.38.12. 12 Traveling.. A. Except for a crane which travels on a fixed track, while a crane is traveling it may not be used to hoist an employee.B. When using a crane that travels on a fixed track, an employer may hoist employees on a personnel platform while the crane is traveling, upon implementing the following procedures to safeguard employees:1) The boom shall be parallel to the direction of travel;. 2) A complete trial run to test the route of travel:.
09.12.38.13.htm 09.12.38.13. 13 Prelift Meeting.. A prelift meeting shall be:. A. Held to review the appropriate requirements of this chapter and the procedures to be followed;. B. Held before each trial lift;. C. Repeated for any employee newly assigned to the operation; and. D. Attended by the crane or hoist operator, signal person, employee or employees to be lifted, and the person responsible for the task to be performed.
09.12.38.9999.htm 09.12.38.9999. Administrative History Effective date: May 14, 1990 (17:9 Md. R. 1089).
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