90 lines
1.5 KiB
Markdown
90 lines
1.5 KiB
Markdown
---
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id:
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aliases: []
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tags:
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- systems/switchgear
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---
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# Switchgear
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## Sequence
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### 1. Estimate preparation
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1. Initial the OneNote
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2. In the drawings, locate:
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* Riser Diagrams
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* House Panels
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3. Copy over default Temporary Assemblies from ?
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### 2. Takeoff
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1. Build Items in Distribution:
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* Panelboards
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* Switchboards
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* Meter centers
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* Generators
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* Transfer switches
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* Generator connection cabinets
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2. Takeoff Common Assemblies:
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* XFMRs
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* Disconnect switches
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3. Takeoff Items in Item Database:
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* Wireway (Trough/Gutter)
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4. Takeoff Temp Assemblies:
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* CT Cabinet
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* Meter
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* Fire Pump
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* Fire Pump Controller
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* SPD/TVSS
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When building panelboards/switchboards,
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add terminations according to an example from the schedules.
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**Do not include feeder terminations.**
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Items to Avoid:
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* Tap Boxes
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* Bus Duct
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* Vault Room
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* Anything FPL
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* Grounding
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* Elevator Room
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#### Enclosed Circuit Breakers
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Treat as disconnect switch.
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#### Generators
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Add `GENERATOR SET UP`
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#### Generator Connection Cabinets
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Use a Distribution Panel of equal amps.
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#### Transfer Switches
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> "300A ATS"
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##### Transfer Switches 1200A+
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Use 1200A MTS/ATS, and add:
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- ==CA.33.14.AMPS==
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- Factor 1 = 3
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- ==Delete 1200A==
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#### Meter Centers
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`SWITCHGEAR & METER CENTERS`/`METER CENTERS`/`... METERING SECTION`
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Adjust Factor 1 for meter stacks, delete zeroed items.
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### 3. Extension (Review and Checking)
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1. Generator
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* Ensure takeoff is in the generator Area and System breakdowns
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* Put location, quantity, and type on OneNote
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