27 01 30
Operation and Maintenance of Voice Communications
27 01 20
Operation and Maintenance of Data Communications
27 01 10
Operation and Maintenance of Structured Cabling and Enclosures
27 01 00
Operation and Maintenance of Communications Systems
26 56 21
HID Exterior Lighting
26 56 19
LED Exterior Lighting
26 56 18
Incandescent Exterior Lighting
26 56 17
Fluorescent Exterior Lighting
26 56 13
Lighting Poles and Standards
26 56 00
Exterior Lighting
26 55 83
Broadcast Lighting
26 55 70
Healthcare Lighting
26 55 68
Athletic Field Lighting
26 55 63
Detention Lighting
26 55 61
Theatrical Lighting
26 55 59
Display Lighting
26 55 53
Security Lighting
26 55 39
Helipad Lighting
26 55 36
Obstruction Lighting
26 55 33
Hazard Warning Lighting