. >> i am geoff maddux, a fire protection engineer. i spend my five hours a day at dbi trying to find solutions to fire protection problems like this. i come to it with that in mind. on the face of it, this permit will be very difficult to accomplish the changes that are "required" for 2323 hyde. removal of the flue -- that is mandatory for the water heater of the building. you cannot remove it. some of the windows that are shown as covered our windows to habitable spaces. -- are windows to habitable spaces. there is required light to those bases. removing those windows does not account for the fact that these are required for those purposes. i think a lot of the reason the plans show the reason to infilled these windows relates to the creation of a new spare serving the roof deck of 1100 -- stair serving the roof deck. this portion is the only portion that is within 10 feet of the 2323 building, and i think that is the portion causing the arctic. i am not sure why it could not be moved in line with the grade, which is more than 10 fee