Roof repitch

Job ID: 33861010

Budget: $30 – $250 CAD

Building has 1 roof that is 4/12.
And 1 roof that is flat, rhe flat meets the 4/12 at a kneewall that is 4' high.
We want to draft up documents so we can frame over the flat roof to meet the pitched roof at the peak .
The kneewall legth is 43'6" wide 23' from flat roof eaves edge, to the desired ridge