vault backup: 2026-03-10 16:54:17
This commit is contained in:
@@ -0,0 +1,31 @@
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---
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id: 2025-10-15T09:32:00
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aliases: []
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title: 2025-10-15 09:32:00
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tags:
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- authorship/original
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- destiny/permanent
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- occupational/takeoff
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- status/draft
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- type/timestamped
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date-created: 2026-03-10T14:04:51-04:00
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dg-publish: true
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---
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# 2025-10-15 09:32:00
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%%
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Content extracted from [[wiring-method-selection]],
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timestamp based on my teams message to Joel.
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%%
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## Vanderbilt Central Neighborhood Residential College Spec Interpretation
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[[vanderbilt-central-neighborhood-residential-college]]
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> [!cite] Project Specifications (pp.)
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> Fittings for Type EMT Duct Raceways:
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> * Coupling Method: Compression coupling or Setscrew coupling.
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> Setscrew couplings with only single screw per conduit are unacceptable.
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> [!quote] Joel Jansen via Microsoft Teams @ 2025-10-15 09:33 AM
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> use set screw 🙂
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@@ -23,7 +23,7 @@ yearly: "[[2026]]"
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Applies to "Equipment intended to interrupt current".
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[[nfpa-70_110_requirements#110.9 Interrupting Rating.|NEC 110.9 Interrupting Rating.]]
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[[nfpa-70_110_requirements#^9|NEC 110.9 Interrupting Rating.]]
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Maximum current that the equipment can interrupt without damage.
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Measured in amperes, usually shown as kAIC.
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@@ -32,7 +32,7 @@ Measured in amperes, usually shown as kAIC.
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* "withstand rating"
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[[nfpa-70_110_requirements#110.10 Circuit Impedance, Short-Circuit Current Ratings, and Other Characteristics.|NEC 110.10 Circuit Impedance, Short-Circuit Current Ratings, and Other Characteristics.]]
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[[nfpa-70_110_requirements#^10|NEC 110.10 Circuit Impedance, Short-Circuit Current Ratings, and Other Characteristics.]]
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Applies to **assemblies**: distribution equipment like switchboards, panelboards, switches, etc.
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@@ -34,11 +34,13 @@ Please confirm you have received this email and respond with any questions or co
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### Project Specification Callouts
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* **Conduit:**
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%% GRC, coupling specs, etc. %%
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* EMT Fittings: _---Spec 260510 2.4(N)(2) (p. 2226)_
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* Smaller than trade size 2-1/2": Compression
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* Trade size 2-1/2" and larger: Set-screw
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* **Wire:**
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* Material: Aluminum 100A and larger _---E021 "ALUMINUM FEEDER SCHEDULE" Note 1(b)_
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* Acceptable Manufacturers: _---Spec 260510-2 (p. 2224)_
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* Material: Aluminum 1 AWG and larger _---Spec 260510 2.2(C)(1) (p. 2224)_
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* Acceptable Manufacturers: _---Spec 260510 2.2(D) (p. 2224)_
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* Encore Wire
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* General Cable
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* Okonite
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@@ -48,69 +50,80 @@ Please confirm you have received this email and respond with any questions or co
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* Southwire
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* **MC Cable:**
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* Application: Concealed feeders and branch circuits _---Spec XXXXXX (p. XXXX)_
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%% Branch homeruns only; Not permitted %%
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* Acceptable Manufacturers: _---Spec 260510-2 (p. 2224)_
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* Application: "dry locations only where approved by code authority."
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_---Spec 260510 2.4(N)(8) (p. 2227)_
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* Acceptable Manufacturers: _---Spec 260510 2.2(E) (p. 2224)_
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* Alflex
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* AFC
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* America Metal Moulding
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* Encore Wire
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* Southwire
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* ==Conductors: Copper _---Spec XXXXXX (p. XXXX)_==
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* ==Armor: Steel _---Spec XXXXXX (p. XXXX)_==
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* ==Jacket: PVC _---Spec XXXXXX (p. XXXX)_==
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* **Steel Box Depth:**
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* Telecom: 2-1/8" _---Spec XXXXXX (p. XXXX)_
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* Security: 2-1/8" _---Spec XXXXXX (p. XXXX)_
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* Other Applications: Not specified
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%% 1-1/2", 2-1/8" %%
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* **Steel Box Depth:** Not specified _---Spec 260510 2.12(A) (p. 2231)_
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* **Floor Boxes:** Sheet metal with brass or aluminum covers _---Spec XXXXXX (p. XXXX)_
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* **Floor Boxes:** _---Spec 260510 2.12(E) (p. 2231)_
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* Box Material:
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* Slab on grade: Cast iron
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* Slabs above grade: Stamped steel
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* Cover Material: Not specified.
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* **Wiring Devices:**
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* Units:
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* Current rating: Unspecified. Assuming 15A for takeoff.
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* Standard/Decora: Unspecified. Assuming Toggle/Duplex for takeoff.
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%% 15A Decora %%
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* BOH/Common Areas:
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* Current rating: Unspecified. Assuming 20A for takeoff.
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* Standard/Decora: Unspecified. Assuming Toggle/Duplex for takeoff.
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%% 20A Toggle/Duplex %%
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* All Areas:
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* Current rating: 20A _---Spec 260510 2.16(B)(1) (p. 2231)_
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* Standard/Decora: Decora _---Spec 260510 2.16(D) (p. 2231)_
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* **Switchboards:**
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* Acceptable Manufacturers: _---Spec XXXXXX (p. XXXX)_
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* ???
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* Bus Material: ??? _---Spec XXXXXX (p. XXXX)_
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* Interrupting Current Rating: ???
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* Bus Material: "aluminum or copper, tin or silver plated" _---Spec 262000 2.6(C)(4) (p. 2297)_
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* OCPD Interrupting Current Ratings: Not specified.
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* Acceptable Manufacturers: _---Spec 262000 2.17(C) (p. 2307)_
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* Eaton
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* ABB/GE
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* Schneider Electric
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* Siemens
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* **Distribution Panelboards:**
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* Acceptable Manufacturers: _---Spec XXXXXX (p. XXXX)_
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* ???
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* Bus Material: ??? _---Spec XXXXXX (p. XXXX)_
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* Breaker Types: ??? _---Spec XXXXXX (p. XXXX)_
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%% Snap-on, bolt on %%
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* Interrupting Current Rating: ???
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* **Panelboards:**
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* Bus Material: "silver plated copper or electro-tin plated aluminum"
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_---Spec 262000 2.8(E) (p. 2303)_
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* Breaker Types: Bolt-on _---Spec 262000 2.9(C) (p. 2303)_
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* **Load Centers:**
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* Acceptable Manufacturers: _---Spec XXXXXX (p. XXXX)_
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* ???
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* Bus Material: ??? _---Spec XXXXXX (p. XXXX)_
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* Breaker Types: ??? _---Spec XXXXXX (p. XXXX)_
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%% Snap-on, bolt on %%
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* Interrupting Current Rating: ???
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* OCPD Interrupting Current Ratings:
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* Distribution Panelboards: Not specified.
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* Lighting and Appliance Panelboards: Not less than 10kAIC
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_---Spec 262000 2.10(A)(3) (p. 2304)_
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* Acceptable Manufacturers: _---Spec 262000 2.17(C) (p. 2307)_
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* Eaton
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* ABB/GE
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* Schneider Electric
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* Siemens
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* **Transformers:**
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* Winding Material: ??? _---Spec XXXXXX (p. XXXX)_
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* K-Rating: ???
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%% Windings AL or CU, K-rating %%
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* Winding Material:
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"Transformer windings shall be manufacturer's standard design,
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copper or aluminum conductor. Bussing shall be copper."
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_---Spec 262002.5(L) (p. 2296)_
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* K-Rating: Only as shown (None shown)
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_---Spec 262002.5(K) (p. 2295)_
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* **Generator:** (1) 500kW Diesel
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* Enclosure Specs: ??? _---Dwg. E014_
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* Remote Tank: ???
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* Tank Size: ??? _---Spec XXXXXX (p. XXXX)_
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* Load Banks: ??? _---Spec XXXXXX (p. XXXX)_
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* Acceptable Manufacturers: _---Spec 263213-3 (p. 2323)_
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* Acceptable Manufacturers: _---Spec 262000 2.17(D) (p. 2307)_
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* Eaton
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* ABB/GE
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* Heavy Duty
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* MGM
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* Siemens
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* Schneider Electric
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* United Power Corp
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* **Generator:** (1) 500kW Diesel _---Dwg. E05-12_
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* Enclosure Specs: Not specified.
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* Remote Tank: None shown or specified.
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* Tank Size: 12hrs at full load _---Spec 263213 2.7(C) (p. 2326)_
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* Load Banks: None shown or specified.
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* Acceptable Manufacturers: _---Spec 263213 2.1(A) (p. 2323)_
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* Caterpillar Tractor Co.
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* Cummins/Power Generation
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* Kohler Power Systems (MTU Engine Only)
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@@ -125,28 +138,31 @@ Please confirm you have received this email and respond with any questions or co
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### PDI System Execution Plan
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* **Primaries:**
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%% Installation only, (9) 6" PVC %%
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* **Primaries:** Wiring only, duct bank by others.
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* **Secondaries:**
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*
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* **Secondaries:** Aluminum bus duct. _---Spec 262000 2.11(D) (p. 2305)_
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%% PVC UG, GRC Stub-ups, AL %%
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* **Feeders:**
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PVC UG, EMT OH;
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Size and material per E05-10 schedule
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==(Transformer primaries and secondaries all copper)==
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==(AL 100A and larger,==
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==transformer primaries and secondaries all copper)==
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%% PVC UG, EMT OH, AL over 100A, 2% VD %%
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%% Emergency Feeds MI Cable %%
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* **Unit Subfeeds:** ???
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* **Unit Subfeeds:** #12 Multi-Circuit MC OH (alternate for voltage drop)
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%% MC OH AL, VD per Chart on E5.01 %%
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* **Units:**
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* ???
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%% [[2026-03-10_13-51-32#Voltage Drop]] %%
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* **==Units==:**
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* VFCU HVAC
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* 20A Decora Switches
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* 20A Decora Receptacles
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%% 15A Decora, Disposals, T-stat, Floor Boxes, Shade Control, Doorbells, Dimmer Switches, etc. %%
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* **Telecom:**
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* **Telecom:** Rough-in only
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* ???
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%% 42" MSDE, No Cable Homeruns, (1) 1" Back to IDF, CAT6 with Stub-ups %%
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@@ -164,21 +180,24 @@ Please confirm you have received this email and respond with any questions or co
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### Lighting Control
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* **Basis of Takeoff:** ??? _---???_
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%% Code Minimum per Energy Code Assigned, P&S, PDI Design %%
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* **Basis of Takeoff:** Central dimming system per P&S, PDR quote.
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* **Area:** _---Dwg. E06-01 "LIGHTING CONTROL NARRATIVE"_
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*
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* Units: Master Switch, Digital Standalone Control, 0-10V dimming.
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* Amenity: Digital Central Control, 0-10V dimming
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* Garage: Integral dimming occupancy sensors, 120V wiring only.
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%% Assign Method to Areas: Line Voltage, Low-Voltage Stand Alone or Centralized System %%
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### Tasks/Quotes Needed for WBS
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%% Delete any completed %%
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%%
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* Electrical Constructability Review
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* Electrical VDC
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* Coordination Study
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* DAS Public Safety Raceway Design
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%%
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<!--
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DAS Public Safety Raceway Design is necessary
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@@ -0,0 +1,118 @@
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---
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id: 2026-03-10T13:51:32-04:00
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aliases: []
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title: 2026-03-10 13:51:32
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tags:
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- authorship/original
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- destiny/permanent
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- status/draft
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- type/timestamped
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dg-publish: true
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date-created: 2026-03-10T13:51:32-04:00
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daily: "[[2026-03-10]]"
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weekly: "[[2026-W11]]"
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monthly: "[[2026-03]]"
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quarterly: "[[2026-Q1]]"
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yearly: "[[2026]]"
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---
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# 2026-03-10 13:51:32
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## Charlotte South End Hotel Spec Interpretation
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[[charlotte-south-end-hotel|Charlotte South End Hotel]]
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### EMT Fittings
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> [!quote] Spec 260510 2.4(E)
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> EMT - Electrical metallic tubing, "thin wall" zinc coated steel, enameled interior, ANSI C80.3, UL-797,
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> assembled using concrete tight and rain tight gland-ring compression threaded type fittings
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> except where alternate type fittings are allowable by the NEC
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> and authorities have jusrisdiction \[sic\].
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> [!quote] Spec 260510 2.4(N)(2)
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> EMT connectors - Provide gland ring compression threaded fittings, except-
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> * a. Concrete tight double set screw type connectors
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> are acceptable in 2 1/2-inch and larger sizes
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> in dry locations only.
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> [!quote] Joel Jansen 2026-03-10 (pp.)
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> Takeoff as specified
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### Liquid-Tight Conduit
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> [!quote] Spec 260510 2.4(G)
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> Liquid-tight flexible metallic raceway
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> shall be similar to standard flexible steel conduit
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> except encased in liquid tight neoprene outer jacket.
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No definition is provided for a liquid-tight flexible non-metallic raceway
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> [!quote] Spec 260510 2.4(G)(7) (text decoration added)
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> Provide _liquid-tight flexible conduit_
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> for each motor and rotating device for power and control, ~~computer room~~[^1]
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> and for other equipment requiring adjustments or removal for service
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> in mechanical rooms or where subject to moisture or weather.
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> [!quote] Joel Jansen 2026-03-10 (pp.)
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>
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[^1]: I feel fairly confident this is erroneous.
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### Voltage Drop
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> [!quote] Spec 260510 2.2(C)(4) (text decoration added)
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> Sizing of conductors and conduits
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> shall be solely the responsibility of the Contractor
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> and shall be based on the NEC, [[nfpa-70_310_conductors_for_general_wiring|Article 310]].
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> Ampacity shall be equal to, or greater than, the required load specified.
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> ==Voltage drop shall be no greater than that allowed by the NEC.==
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> [!quote] Dwg. E00-00 "GENERAL PRICING NOTES" Note 9
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> PROVIDE ALLOWANCE TO UPSIZE FEEDERS/BRANCH CIRCUITS
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> (OVER 100 FEET FOR 120/208V, OVER 200 FEET FOR 277/480V)
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> FOR A MAXIMUM OF 3% VOLTAGE DROP.
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### Lighting Control
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> [!quote] LD 03-XX Typical Master Switch Callout
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> MASTER - TO CONTROL ENTRY AND ROOM ONLY. ELECTRICAL ENGINEER TO SPECIFY ENERGY CODE COMPLIANT “MASTER OFF” FOR THE REQUIRED GUESTROOM LOADS. GMLD RECOMMENDS LUTRON’S "CODE-SMART" SYSTEM THAT POWERS THE LIGHTING SHOWN HERE AS WELL AS TAKES INPUT FROM THIRD-PARTYDOOR CONTACTS, THERMOSTATS AND OCCUPANCY SENSORS. THIS SYSTEM MEETS THE ENERGY CODE REQUIREMENT TO TURN OFF LOADS AFTER A SPECIFIC PERIOD OF TIME AND ALSO PREVENTS LOADS FROM TURNING ON OR OFF UNEXPECTEDLY IN THE MIDDLE OF THE NIGHT.
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Lighting control quote does not include master switches
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> [!quote] PDR Lutron Lighting Control Quote 2025-12-10
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> (13) Pre-Assembled Processor Panel,
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> (14) Athena Centralized Din Lighting Control Panel,
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> (14) DALI ESN Panel,
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> (14) QS Sensor Module,
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> (4) Touchscreen,
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> (112) QS Wired Keypads,
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> (2) Partition Sensor,
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> (31) Wired Occupancy Sensor,
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> (2) 5 Contact Closure Inputs and 5 Relay Outputs
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> [!quote] Proposal 2025-12-12, Pricing Summary
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> Lighting Controls – Lutron (turnkey) $ 850,000
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Assuming that this line includes master switches
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based on sum of quote and switch allowance
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> [!quote] PDR Lutron Lighting Control Quote 2025-12-10, Pricing Summary –Turnkey
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> Lighting Control: Lutron $ 738,400.00
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> [!quote] 2025.12.09 - Charlotte South End Hotel - Bid Sheet v16-4-2, "Add-On Items"
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> master switch in guestrooms - TBD | $ 72,023
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### EV Chargers
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> [!quote] Proposal 2025-12-12, Alternates
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> Add: (21) EV-Capable and (3) EV-Installed per Building Connected $ 38,000
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Panel LG's schedule (E06-13)
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shows (10) 40A/2P circuits
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with description "EV CHARGER".
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These circuits are not shown on the electrical set,
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nor are any chargers besides.
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> this is a quote
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Reference in New Issue
Block a user