58 lines
1.6 KiB
Markdown
58 lines
1.6 KiB
Markdown
---
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id:
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aliases: []
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tags:
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- destiny/permanent
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- occupational/takeoff
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- status/draft
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- type/guide
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- authorship/original
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title: Lightning Protection
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dg-publish: true
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---
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# Lightning Protection Takeoff
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> [!info]
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> See [[lightning-protection]] for more on lightning protection systems.
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> [!important] ConEst Scope
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> Lightning protection takeoff may or may not be necessary,
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> see proposal on [[pdi-bpm|BPM]].
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> Only takeoff if LP is included in the base bid.
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### Subcontractors
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Find lightning protection subcontractor quotes on BPM,
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search 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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> [!tip]
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> While you have the quotes open,
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> put the costs in the Subcontractors tab in Accubid.
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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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> * `Area` = "01 - Lightning Protection Building"
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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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* 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`
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