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Procurement and Contracting Requirements
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Concrete
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Metals
06 00 00
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Thermal and Moisture Protection
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Equipment
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Furnishings
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Conveying Equipment
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Fire Suppression
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23 00 00
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25 00 00
Integrated Automation
26 00 00
Electrical
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Communications
28 00 00
Electronic Safety and Security
31 00 00
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32 00 00
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33 00 00
Utilities
33 01 00
Operation and Maintenance of Utilities
33 05 00
Common Work Results for Utilities
33 06 00
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33 09 00
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33 10 00
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33 50 00
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33 60 00
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33 70 00
Electrical Utilities
33 71 00
Electrical Utility Transmission and Distribution
33 72 00
Utility Substations
33 72 13
Deadend Structures
33 72 23
Structural Bus Supports
33 72 26
Substation Bus Assemblies
33 72 33
Control House Equipment
33 72 33.13
Relays
33 72 33.16
Substation Control Panels
33 72 33.23
Power-Line Carriers
33 72 33.26
Substation Metering
33 72 33.43
Substation DC Supply
33 72 43
Substation Control Wiring
33 72 53
Shunt Reactors
33 72 63
Substation Disconnect Switches
33 73 00
Utility Transformers
33 74 00
Extra High Voltage (EHV) Switchgear and protection devices
33 75 00
High-Voltage Switchgear and Protection Devices
33 77 00
Medium-Voltage Utility Switchgear and Protection Devices
33 78 00
Substation Converter Stations
33 79 00
Site Grounding
33 80 00
Communications Utilities
34 00 00
Transportation
35 00 00
Waterway and Marine Construction
40 00 00
Process Interconnections
41 00 00
Material Processing and Handling Equipment
42 00 00
Process Heating, Cooling, and Drying Equipment
43 00 00
Process Gas and Liquid Handling, Purification, and Storage Equipment
44 00 00
Pollution and Waste Control Equipment
45 00 00
Industry-Specific Manufacturing Equipment
46 00 00
Water and Wastewater Equipment
48 00 00
Electrical Power Generation
Divisions >
33 00 00 Utilities >
33 70 00 Electrical Utilities >
33 72 00 Utility Substations >
33 72 33 Control House Equipment >
33 72 33.13
Relays
Includes
Breaker Failure (BFR), Breaker Reclosing, Line protection including Remedial Action Schemes-RAS, load shedding, reactive, transformer, Bus differential.
No subclassifications exist for this item