Engineering Judgement for Hilti Application

Greetings Team Hilti,
I am seeking your Engineering Judgement for a void/ shaft with electrical services passing through a slab with the cables taking a direct route beneath the soffit of the slab...I have proposed fire rated shaft wall assembly (Two hour fire rated shaft wall with Hilti expanding foam around the cables and Hilti sealant at the joint) at the bottom/ soffit of the slab where cables run underneath and using Hilti fire mortar at the top of the concrete slam...My project is using Hilti Products...Tel. 1649-342-1059/ 1-876-330-8642 whatsapp