6) What type and thickness Gyp Board is used in the garage? 7) Personnel performing concrete testing must have, at a minimum, what certification? 8) What do the dashed diagonal lines on the Interior Elevations on drawing S1 indicate? 9) What is the typical roof pitch? 10) The contractor is prepared to place concrete for the footings and there is frost on the soil that will be in contact with the concrete. Is this permitted? How do you know? 11) In the Master Bedroom (not including the closets), what would be the approximate cost difference between a marble floor at $55/ SF and a wood floor at $17/SF? calculation work for this auction) (please submit your