Below are the results for the single-phase Fire Case.
Required Capacity for single-phase Fire - 8,976.3 lb/hr. Standard API Orifice Size - 0.7850 in2
Required Orifice size - 0.6964 in2 Rated Capacity API Orifice - 10, 118.3 lb.hr.
Existing Orifice size of 1.287 in2 is adequate for the single-phase Fire case relief capacity.
The complete signle-phase Fire report can be download here. Download Single-phase Fire Report