Heatlamps are fine mate if it small scale just make sure you get the right height you'll know this by the way the chicks are acting,If there right underneath the lamp its to high,if there pushing against the sides its too low common sense really.As for shavings on the floor leave it out of em for the 1st 3-4 days and sprinkle your crumb on the floor they'll find it easyier this way.Make sure your drinkers arn't too deep they'll drown themselves in em,easy way of doing this is putting small bit of plastic pipe around the bottom of the drinker inside the water it takes the depth away,If no pipe