1 - Yes, 2 reps per arm
2 - Yes, 2 15' climbs
3 - The percentages are pretty low to allow room for increases. You may have to adjust the first week depending on how you feel. Also be sure that you're using percentages of the right movement, e.g. 3 pos snatch is 60% of your 1RM snatch, not your 1RM 3 pos snatch.