"modification permit" work at 3rd floor to modify 1'14" branchlines around HAVC VAV boxes, to ductwork can come out of box We have serveral of these locations with the same centerline & fire sprinkler line will be the one to move 9th street warehouse was orgininal project name the entire area & facility is 100% fire sprinklered. System will be back in service each night. Existing bldg 3rd floor was installed in 1998 @ light harzard. 1st and 2nd floor were installed @ OH GRPII. Density. Remodel of this 3rd level will be submitted at a later date (by April 30th) Final design submittal of as built drawings shall be turned in at end of project as plan modification for recalculation of final permit fee.