139 lines
4.4 KiB
Markdown
139 lines
4.4 KiB
Markdown
---
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id: 2026-03-10T13:51:32-0400
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title: 2026-03-10 13:51:32
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tags:
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- status/draft
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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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---
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# 2026-03-10 13:51:32
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## Charlotte South End Hotel Spec Interpretation
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Spec interpretation notes for [[charlotte-south-end-hotel]]
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with clarification by [[joel-jansen]]:
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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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> Take off 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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> Assume LFMC.
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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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#### Corridors
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Corridors may or may not have included digital control
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> [!quote] LEED Checklist, item "Interior Lighting" (Project Manual p. 23)
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> Option 1: **Lighting Control:**
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> Provide adjustable lighting controls
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> for **90% of individual occupant spaces**
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> with at least 3 lighting levels or scenes (on, off, mid-level).
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> Provide control for **all shared multi-occupant spaces**.
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Checklist assumes this point.
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***
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> [!quote] Typical Unit Corridor Occupancy Sensor Callout (Ref dwg. E03-06 thru E03-14)
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> OCCUPANCY SENSORS TO DIM CORRIDOR LTG TO 50% WHEN NO OCCUPANCY
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> [!quote] Dwg. E06-01 "LIGHTING CONTROL NARRATIVE"
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> **SPACE TYPE** Corridor is shown only with captive key card control
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#### Units
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> [!quote] LD03-XX Typical Master Switch Callout
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> MASTER - TO CONTROL ENTRY AND ROOM ONLY.
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> ELECTRICAL ENGINEER TO SPECIFY ENERGY CODE COMPLIANT “MASTER OFF”
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> FOR THE REQUIRED GUESTROOM LOADS.
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> GMLD RECOMMENDS LUTRON’S "CODE-SMART" SYSTEM
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> ...
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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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These are captured as a budget
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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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***
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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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### 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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