CIC received my Medical on 27 NOV. so after 3 weeks i got my answer. now in your situation first check with your medical center when they send your medical report. then count 4 weeks mex if all your docs are ok.
you need to upload you picture . no need for police check
what you need to attack is your passport copy
your welfare slip
also before you apply online. first call your medical center and check if your medical result is sent to CIC. as if you apply before you will get refusal.
good luck !
if you apply online and your medical result received by cic. you will get your work permit in 3 weeks mex.
i applied on 27 of nov and got answer today that they issued my work permit and i will get in post in couple of day.
Good Luck !