Okay, 32 hours of work total? I'll split the work up into seperate posts and see what I can make.
Droid Repair: DC 20, requires two successes. (2 hours spent)
Mechanics 1d20+9 : 7 + 9, total 16
Mechanics 1d20+9 : 5 + 9, total 14
Frag Grenade: DC 25, 2 hp (1 hour spent)
Mechanics 1d20+9 : 1 + 9, total 10
HP Gained 1d8 : 8, total 8
Combat Jumpsuit: DC 5, 10 hp (2 hours spent)
Mechanics 1d20+9 : 10 + 9, total 19
HP Gained 1d8 : 7, total 7
Mechanics 1d20+9 : 16 + 9, total 25
HP Gained 1d8 : 4, total 4
Damage Upgrade: DC 20 (8 hours spent)
Mechanics 1d20+9 : 12 + 9, total 21
Time spent: 13/36 hours