Do not forget dynamic coefficient (kd=2). When lifting 250 kg, in calculations you should use 500 kg.
Also, for lifting mechanisms, the safety factor should be more than 2, depending on country regulations. I would use 4.
It is strongly recommended to check the concrete base plate for...
Hello all,
Question regarding flush-type clean-out doors.
I need to calculate bottom reinforcement plate thickness.
Opening dims 800x300 mm. Tank height 6 m.
API650 3.7.7.1, table 3-11 states 1/2 inch (12,7 mm).
EN14015:2004 Annex O gives formula 7*sqrt(H+3)=21 mm.
Why such a difference...
