Refer to table 23-IV-R-6 in the 1997 UBC. What is the maximum span allowed for 2 x 10 rafters installed at 16 O/C if the lumber has an E value of 1.2.

Refer to table 23-IV-R-6 in the 1997 UBC. What is the maximum span allowed for 2 x 10 rafters installed at 16 O/C if the lumber has an E value of 1.2.