If you want after 4w
Healing will be near complete after collagen
tissue i is formed i that will take place 3 Wks , most of the people will go back to work in 4 to 6 wks.
obvious other factors , your motivation , general health , non healing etc will limit early return to work . When you go back obvious you will not going to lift 150 lbs on first day , has to be progressive.