Structural has questions, including about the chimneys.
a) the following information must be provided for any addition higher than the adjacent structure: i. snow drift calculations for adjacent structure provide snow drift load calculations for adjacent structure due to adjacent height increase. using the minimum design loads for buildings and other structures. [asce 7-05] ii. photos of the roof of property and adjacent properties showing all chimneys and vents for fuel fired appliances (permission shall be obtained from adjacent property owners to rebuild/extend affected elements by proposed construction).