Thanks for your inputs everyone.
I did not buy these arched lintels, it was bought by the builder. These are 2/8" in thickness and I am trying to understand if its a proper size for load above.
We have a arched opening of 12' 3" with a single story above (see link below for front elevation). I am trying to understand the lintel size needed. Could you please help me interpret this code for lintel size and span table available at...