ASME B30.6-2020 free download

10-06-2020 comment

ASME B30.6-2020 free download.Derricks: Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings.Now you can download ASME B30.6-2020 pdf.
ASME B30.6-2020 applies to the construction, installation, operation, inspection, testing, and maintenance of guy, stiffleg, basket, breast, gin pole, Chicago boom, shearleg, and A-frame derricks. These derricks, powered by winches through systems of wire rope reeving, are used for lifting, lowering, and horizontal movement of freely suspended unguided loads. Derricks are usually stationary mounted and may be temporarily or permanently installed.
The provisions included in this volume also apply to any variations of these types of derricks with the same fundamental characteristics, except those specified for floating derricks in ASME B30.8, Floating Cranes and Floating Derricks.
SECTION 6-12: CONSTRUCTION
6-1.2.1 General
(a) Derricks shall be constructed to meet all stresses imposed on members and components under normal operating conditions when properly installed and hand
loads not exceeding manufacturers load ratings with recommended reeving.
(b) Welding of load-sustaining members shall conform to recommended practices of the American Welding Society as outlined in ANSI/AWS D14.3 or ANSI/AWSD1.1.
6-1.4.2 Stiffleg Derricks
(a) The mast base shall be anchored Anchorages shall be designed, fabricated, and installed to withstand the maximum horizontal and vertical forces encountered while handling rated loads stipulated for the application with the particular stiffleg spacing and slope.
(b) The stifflegs shall be anchored Anchorages shall be designed, fabricated, and installed to withstand the maximum horizontal and vertical forces encountered while handling rated loads stipulated for the application with the particular stiffleg spacing and slope.

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