Like Gowyo said it can be done if you manage him right, any set back and you are going to be in a tight spot. The calf needs to gain 3.7 pounds a day, He has to be on feed and stay on feed, you need to start him off right, this is the time you want to bring him up to full slowly. If he has not been on feed at all and you plan on feeding 3% of his body weight, 15 pounds, I would start him off with a good grower feed and start with 3 pounds and all the hay he wants 2 times a day (6# a day), if he does good there, after 3-4 days bump it up a pound a feeding 8# pounds a day for a few more days and add a pound a day again as long as he is not showing any signs of the feed bothering him, loose stool, bloat, loss of appetite. repeat this process until you reach the 15 pounds a day. As he gains weight you will need to increase the feed to stay at 3%, I find it easier to increase it at certain points, it might be at every 70 pounds gained then you increase it a 1 pound a feeding. Managing and feeding one is the hardest part of the project, I would probably add a pound a day of Stabilized Rice bran as well for the added energy.
Watch him close and ask plenty of questions through out the project, any change you see you will want to address it immediately, if you wait to see if it gets better, it might be to late. We also give them dry probios 2 times a week just to keep their gut right.
Good luck