(DOUBLE TREE HOTEL-ROOFTOP CELLULAR INSTALLATION) New Idaho State approved modular building and antenna installation on roof of existing hotel building plans on file. Work to include fire sprinkler extension incorporating a double interlocked pre-action system into the new 10'x20' modular penthouse building on roof, with electronic detection system operation. This facility requires full fire sprinkler protection. All fire sprinkler work and related shall be per the UFC, related adopted NFPA and BCO requirements, regulated by the Fire Department.