Well it looks like I was not alone,with some help from me deathblz made some headway in figuring it out but needs help to find a good solution.

Heres the thread link give it a once over ,he came up with 2 script fixes but needs more input. Post your thoughts here if you want I will send him this way to look them over.

http://forums.nexusmods.com/index.php?/topic/3203969-wip-explosives-immunity-bug-fix-input-needed/