Division 13 -- Special Items
13010 - Air Supported Structures
13030 - Special Purpose Rooms
13080 - Sound, Vibration, Seismic Control
13090 - Radiation Protection
13100 - Lighting Protection
13110 - Cathodic Protection
13120 - Pre-engineering Structures
13123 - Sunrooms & Glazed Structures
13165 - Aquatic Park Facilities
13185 - Kennels and Animal Shelters
13190 - Site-Constructed Incinerators
13220 - Filter Underdrains and Media
13230 - Digester Covers and Appurtenances
13240 - Oxygenation Systems
13260 - Sludge Conditioning Systems
13280 - Hazardous Material Remediation
13400 - Measurement and Control Instrumentation
13500 - Recording Instrumentation
13550 - Transportation Control Instrumentation
13600 - Solar and Wind Energy Systems
13700 - Security Access and Surveillance
13800 - Building Automation and Control
13850 - Detection and Alarm