The final rule requires that employers inspect walking-working surfaces regularly and as needed and correct, repair, or guard against hazardous conditions; and Training (Â§1910.30).
April is a very good month for visiting Italy. The weather is still cool but not cold. There is some rain in April, but manageable. You will find less tourists than you see during the high tourist season. Holy Week is challenging in Rome, but not bad in the other cities.
As is nearly always the case in Italy, the further south you travel in February, the warmer it gets. The mountains will still be cold and likely still snowy in February, even in southern Italy and the islands, but the more temperate coastal climate reaches quite a ways inland.