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Spreader Bar Plus Calculator

Spreader Bar Plus Calculator

Spreader Bar Plus Calculator


Spreader Bar Plus calculates loads on spreader bars when lifting with offset CGs. The loadings are calculated for pipe, slings, and shackles, while calculating and reporting ASME BTH-1 results. Three shackle type are available to choose from, as well as three options of sling types, 1-Part Mechanical Spliced IWRC (EIPS, 6X19), STRAND Mech. Splice Grommet IWRC (EIPS, 6X19), and Polyester Endless Round slings. With configurations of vertical and vertical basket. Additionally the program calculates the required difference in sling length needed to balance load and level lifts.


Spreader Bar Types


250+ selections of Square and Rectangular Tubing


120+ selections of Pipe and Round Tubing sizes


ASME Calculation of capacity check for Spreader Bar, Deflection of Bar due to Self-Weight


2 Endcap styles to choose from


Sling Calculations


Slings ( eye & eye, Grommet, Polyester Round)


Basket and Vertical configuration


D/d calculation and capacity check and capacity reduction for slings


Capacity check and reduction of capacity for Polyester Slings due to limited bearing area in shackle


Shackle Selection


Shackle selection (Bolt, Screw Pin, Wide Body) for Top, Bottom and Lower shackle selections


Spreader Bar system Calculations


ASME Design Calculations


Off set CG calculation, Spreader Bar Rotation due to Offset and Rigging configuration


System weight, Rigging Weight.


Report Generation


Graphical Representation of spreader bar system


One Click text copy ready to past into AutoCad & More!


Customer Reviews

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Customer Reviews

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Stephen H.

Spreader Bar Plus

I have been using various versions of a “rigging calculator” for over a decade, and the SMART Rigger Software Spreader Bar Calculator is without a doubt the most complete version I have used. This program definitely covers all areas of concern when evaluating and designing a BTH rigging arrangement. The areas of input are easily navigated after a brief period of self-training, and an extremely thorough summary page neatly organizes the outputs for distribution to clients, and/or internal record keeping purposes. In my opinion, this program is a “must-have” for any rigging department.. Stephen Hitchcock General Manager – Heavy Lift Rental Division