50 lines
1.3 KiB
Markdown
50 lines
1.3 KiB
Markdown
# Lightning Protection
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## Info
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Two Types:
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- Protection \$\$\$
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- Prevention \$
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- ESE (EARLY STREAMER EMISSIONS)
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## Estimate Scope
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May or may not be included, see proposal on [[bpm|BPM]]
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### Subcontractors
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Find lightning protection subcontractor quotes on BPM
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> [!tip]
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> While you have them open, put the quote costs in Accubid.
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Search the quotes for direction on downlead counts, total length, and conduit size
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> [!example]
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> Contractor to furnish 1,980' of 1" PVC conduit and pull string
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If no quote is available:
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- **Downlead locations** = building corners + additional locations
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such that downlead spacing is not greater than 100ft
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- Minimum 10 locations for High Rise
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- **Total downlead conduit length** = building height * downlead locations
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- **Conduit size** = 1-1/4"
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### Takeoff
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```
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Area = "Lightning Protection" // confirm
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Phase = "Building - BOH, Storage & Common"
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System = "LPT - Lightning Protection"
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BidItem = "3 - Building"
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```
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- Takeoff: `COMMON ASSEMBLIES`/`PDI EMPTY CONDUIT`/`PVC ASSEMBLIES`/`* CONDUIT - PVC40`
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- **Length** = total downlead conduit length
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- **Count** = downlead locations
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- Add item: `ITEM DATABASE`/`BOXES & CABINETS`/`JUNCTION BOXES AND INDUSTRIAL CABINETS`/
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`BOXES - HNGD CVR - PAINTED STEEL - NEMA 1`/` 6x 4x 4" BOX HNGD CVR - NEMA 1` |