This document provides the results of a lifting assessment calculator. It shows an unadjusted weight limit of 42 pounds for a horizontal lift located 40 inches from the floor and 40 inches vertically. Applying adjustment factors for the horizontal and vertical distances lowers the recommended weight limit to 25.5 pounds. The lifting index of 1.65 indicates the load is moderately heavy.

7. http://ergo-plus.com/wisha-lifting-calculator/

11. Unadjusted Weight Limit
1) Horizontal Location
2) Vertical Location

24. 42
40
40
40 x .85 = 34
34
.75
25.5
Lifting Index = 1.65