Btw, please find the link of specification for the UTP cable to be used for this project for your reference below:
http://www.commscope.com/catalog/systimax/product_details.aspx?id=21029&tab=1
PS: the diameter is over 7mm and the core is quite hard for sharp-bending as discussed so should not wire in conduit more than the recommendation below:
½”EMT per one, ¾” per two and 1” per four cables