Given: Lumber of an e-value of 1,300,000 will be used for ceiling joists in a house. The 2 x 6 joists must support a total live and dead load of 15 PSI (could be 50). What is the maximum allowable space if the joists are installed at 16″ on center?

Given: Lumber of an e-value of 1,300,000 will be used for ceiling joists in a house. The 2 x 6 joists must support a total live and dead load of 15 PSI (could be 50). What is the maximum allowable space if the joists are installed at 16″ on center?