vault backup: 2025-10-24

feeders-takeoff.md

@@ -4,43 +4,16 @@ aliases: []
 tags:
   - destiny/permanent
   - status/draft
-  - occupational/systems/feeders
+  - occupational/takeoff/feeders
   - type/guide
+  - authorship/original
 title: Feeders
 ---
 # Feeders
 
+[[conduit-routing]]
+
 ## Info
-
-### Routing and Structural Considerations
-
-#### Shear Walls
-
-Shear walls, like those around stairwells and elevator shafts,
-may be routed through with special permission.
-
-#### Post-Tensioned Slabs
-
-> [!example]
-> STRUCTURAL SLAB IS AN 8-INCH THICK
-> UNBONDED POST-TENSIONED TWO-WAY SLAB UNLESS NOTED OTHERWISE.
-
-> [!cite] Joel Jansen 2025-08-15, in reference to Belle Meade Plaza (pp.)
-> No affect on takeoff. Routing in slab still possible.
-
-> [!cite] Joel Jansen 2025-08-21, in reference to Belle Meade Plaza (pp.)
-> PT slabs do have some affect on takeoff.
-> 3in conduit can not be run in an 11in PT slab.
-
-#### Pan Deck Slabs
-
-> [!example]
-> STRUCTURAL SLAB IS 3 1/2 INCHES OF NORMALWEIGHT CONCRETE
-> ON 3-INCH COMPOSITE STEEL DECK UNLESS NOTED OTHERWISE.
-
-> [!cite] Joel Jansen 2025-08-15, in reference to Belle Meade Plaza (pp.)
-> Do not route in slab.
-
 #### Fire Rated Feeders
 
 PDI estimating practice is to run all "emergency" feeds
@@ -51,7 +24,6 @@ since electrical riser rooms are themselves fire-rated.
 
 * RHW-2 insulated conductors in conduit -- "Lifeline Cable"
 * 2-hour rated metal clad cable -- "Vitalink"
-
 ### Formatting
 
 All feeder takeoff descriptions should be prefixed with `<parent> TO <child>`
@@ -119,7 +91,9 @@ for all feeders, no matter the location.
 
 #### Conductor Support
 
-![[nfpa-70_300_general-requirements#300.19 Supporting Conductors in Vertical Raceways.]]
+![[nfpa-70_300_general-requirements#300.19(A) Spacing Intervals -- Maximum.]]
+
+![[nfpa-70]]
 
 `ITEM DATABASE`/`CONDUIT & FITTINGS`/`CABLE SUPPORT / WEDGES`/`... COMPLETE FITTING`/...