Only 2 damage in Total Focus but an extra jump in Combat Jumping? Seems a strange use of slots. Also you've managed to add a damage in Hibernate.
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With six slotted Taunt I wouldn't slot Challenge that much. It's basically a throw away power you only get to be able to get intimidate. Just slot 2 taunt durations on it, and hope that FA will be enough accuracy to hit with it. You won't be using it that much anyway.
You're underslotting Health and Stamina a bit aren't you? I would defenitely 3 slot both of those.
If you're gonna 5 slot Total Focus, I wouldn't slot it for recharge. Just acc and damage. That's probably a Hero builder bug.
Here's the build I would use:
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Exported from Ver: 1.7.6.0 of the CoH_CoV Character Builder
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Name: Super Awesome Man
Level: 50
Archetype: Tanker
Primary: Ice Armor
Secondary: Energy Melee
---------------------------------------------
01) --> Frozen Armor ==> DefBuf| DefBuf| DefBuf| EndRdx
01) --> Barrage ==> Acc
02) --> Hoarfrost ==> Heal| Heal| Heal| Rechg| Rechg| Rechg
04) --> Bone Smasher ==> Acc| Acc| Dmg| Dmg| Dmg| Rechg
06) --> Chilling Embrace ==> EndRdx| Slow| Slow| Slow
08) --> Wet Ice ==> EndRdx
10) --> Hasten ==> Rechg| Rechg| Rechg
12) --> Hurdle ==> Jump| Jump| Jump
14) --> Super Speed ==> Run| Run| EndRdx
16) --> Taunt ==> Acc| Acc| Taunt| Taunt| Rechg| Rechg
18) --> Health ==> Heal| Heal| Heal
20) --> Stamina ==> EndMod| EndMod| EndMod
22) --> Combat Jumping ==> Jump| Jump
24) --> Permafrost ==> DmgRes
26) --> Glacial Armor ==> DefBuf| DefBuf| DefBuf| EndRdx
28) --> Energy Absorbtion ==> Rechg| Rechg| Rechg| EndMod| EndMod| EndMod
30) --> Build Up ==> Rechg| Rechg| Rechg
32) --> Hibernate ==> Rechg| Rechg| Rechg| Heal| Heal
35) --> Energy Transfer ==> Acc| Acc| Dmg| Dmg| Dmg| Rechg
38) --> Total Focus ==> Acc| Acc| Dmg| Dmg| Dmg| Rechg
41) --> Focused Accuracy ==> EndRdx| EndRdx| EndRdx| TH_Buf| TH_Buf| TH_Buf
44) --> Challenge ==> Taunt| Taunt
47) --> Intimidate ==> Acc| Acc| Fear| Fear| Rechg| Rechg
49) --> Super Jump ==> Jump
---------------------------------------------
01) --> Sprint ==> Empty
01) --> Brawl ==> Empty
02) --> Rest ==>
01) --> Gauntlet ==> Empty
01) --> Power Quick ==> Empty
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sorry hero builder bugs, should be a another heal in hibernate and woops did i forget to slot tf with another damage :P. and should be another end mod in stamina. hmm where.
i'd take out 1 tohitbuff from build up and put anotehr damage in tf. take out one recharge from intimidate and put it on stamina. that's the changes i'd make 
is it really worth slotting health though?
I'd swap some of the travel power slots out and put them somewhere more useful when actually in a battle then for running away/chasing.
Like 3 ToHITs in Build up and drop an acc from ET and TF to allow for an extra recharge. In RV you'll have FA anyway, for Sirens/Warburg the fighting is so occasional that it's rare that you'd use ET/TF without hitting buildup first.
But this is all based on personal playstyle, it's a very solid build in general.
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is it really worth slotting health though?
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Depends if you're going to run away a lot, if you're a "fight to the death" type, then it's pointless, especially as you have hibernate.
lol can't say i'm a fight to death type i usually have my running shoes on :P Anyways seeing as hibernate is avilable so often i think ill skip slotting health.
Slotting health is quite handy. Your regen rate is expressed in a percentage of your total hitpoints. So having 3 slotted health running, while you also have Hoarfrost running will mean you're regenning quite a lot of hitpoints every tick cycle. So much so that, if you combine it with your defense, in most cases you won't even need to heal yourself as most people won't be doing enough damage to even counteract your base regen. It also helps if you add the Accolades. With those and Hoarfrost, you'll have up to 3200+ hitpoints. That should give you a regen of about 150 hitpoints every regen tick and that's a very conservative estimate. This means, that you can pretty much ignore any incoming damage except Scrapper Crits and Built up Blaster attacks.
Archetype: Tanker
Primary: Ice Armor
Secondary: Energy Melee
---------------------------------------------
01) --> Frozen Armor==> DefBuf(1) DefBuf(3) DefBuf(3) EndRdx(11)
01) --> Barrage==> Acc(1)
02) --> Hoarfrost==> Rechg(2) Rechg(7) Rechg(7) Heal(9) Heal(9) Heal(11)
04) --> Chilling Embrace==> EndRdx(4) Slow(5) Slow(5)
06) --> Wet Ice==> EndRdx(6)
08) --> Permafrost==> DmgRes(8)
10) --> Bone Smasher==> Acc(10) Acc(15) Dmg(15) Dmg(17) Dmg(17) Rechg(19)
12) --> Hasten==> Rechg(12) Rechg(13) Rechg(13)
14) --> Super Speed==> Run(14) Run(50)
16) --> Hurdle==> Jump(16) Jump(19) Jump(31)
18) --> Health==> Heal(18)
20) --> Glacial Armor==> DefBuf(20) DefBuf(21) DefBuf(21) EndRdx(45)
22) --> Taunt==> Rechg(22) Rechg(23) Rechg(23) Taunt(27) Taunt(27) Taunt(31)
24) --> Stamina==> EndMod(25) EndMod(25)
26) --> Energy Absorbtion==> Rechg(26) Rechg(29) Rechg(29) EndMod(34) EndMod(37) EndMod(46)
28) --> Build Up==> Rechg(28) Rechg(34) Rechg(40) TH_Buf(40) TH_Buf(43) TH_Buf(46)
30) --> Combat Jumping==> Jump(30) Jump(31)
32) --> Hibernate==> Rechg(32) Rechg(33) Rechg(33) Heal(33) Dmg(34)
35) --> Energy Transfer==> Acc(35) Acc(36) Dmg(36) Dmg(36) Dmg(37) Rechg(37)
38) --> Total Focus==> Acc(38) Acc(39) Dmg(39) Dmg(39)Rechg(40)
41) --> Focused Accuracy==> EndRdx(41) EndRdx(42) EndRdx(42) TH_Buf(42) TH_Buf(43) TH_Buf(43)
44) --> Challenge==> Rechg(44) Rechg(45) Taunt(45) Taunt(46)
47) --> Intimidate==> Acc(47) Acc(48) Fear(48) Fear(48) Rechg(50) Rechg(50)
49) --> Super Jump==> Jump(49)
---------------------------------------------
so what do you think, couldn't manage to fit sj for warbug. don't know which power i could swop maybe perma frost, but i think thats more useful in warbug then sj. i dont have laser beam eyes as i really wanted the presence pool. Challenge is supposed to be slotted 2 acc 2 taunt duration and taunt 2 acc 2 taunt durations and 2 recharge, but my planner doesn't allow accuracy in them.