Not more than 10¼ hours a day or 54 hours a week at manual or mechanical labor in any other employment that is not exempt by stature. Not more than 8 hours in 24 or 48 hours during the week if working night work (RSA 276-A:11 and RSA 276-A:13).ot more than 10¼ hours a day or 54 hours a week at manual or mechanical labor in any other employment that is not exempt by stature. Not more than 8 hours in 24 or 48 hours during the week if working night work (RSA 276-A:11 and RSA 276-A:13).