13 00 00 Special Construction
13 01 00 Operation and Maintenance of Special Construction
13 01 10Operation and Maintenance of Special Facility Components13 01 11Operation and Maintenance of Swimming Pools13 01 12Operation and Maintenance of Fountains13 01 13Operation and Maintenance of Aquariums13 01 14Operation and Maintenance of Amusement Park Structures and Equipment13 01 18Operation and Maintenance of Ice Rinks13 01 20Operation and Maintenance of Special Purpose Rooms13 01 21Operation and Maintenance of Controlled Environment Rooms13 01 23Operation and Maintenance of Planetariums13 01 30Operation and Maintenance of Special Structures13 01 40Operation and Maintenance of Integrated Construction13 01 46Maintenance of Lightning Protection Systems13 01 49Operation and Maintenance of Radiation Protection13 01 50Operation and Maintenance of Special Instrumentation13 01 51Operation and Maintenance of Stress Instrumentation13 01 52Operation and Maintenance of Seismic Instrumentation13 01 53Operation and Maintenance of Meteorological Instrumentation