288 lines
6.1 KiB
Markdown
288 lines
6.1 KiB
Markdown
---
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id:
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aliases: []
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tags: []
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---
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# Sequence
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## Electrical
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### 1. Estimate preparation
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2. Read about the project specifications and construction type
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3. Locate Equipment Schedules
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4. Device specs (Decora or Standard)
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### 2. Takeoff
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1. Takeoff all equipment that is not #12
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2. Go by Drawing in chronological order
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3. Takeoff Enlarged Drawings
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4. Do final checklist in electrical takeoff notes
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### 3. Extension (Review and Checking)
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1. Count Car chargers and location
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## Feeders
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### 1. Estimate preparation
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Read about the project specifications and construction type
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* Delivery Method: (Plans & Specs, Design Build, Design Assist, Preliminary Budget)
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* Deck thickness
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* Wiring method
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* Conductor material (Aluminum/Copper)
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Locate:
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* Riser Diagram
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* Feeder Schedule (if present)
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* Main Electrical rooms and panel locations
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* Routing (if present)
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### 2. Takeoff
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* Choose a starting point on the riser
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* Determine wire & Conduit makeup (3Ph/1Ph, AL/CU, Conduit)
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* Measure off the length of the feed _ADDERS_
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* Square corners, use corridors if possible
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Bus Duct
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### 3. Extension (Review and Checking)
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## Fire Alarm - Riser
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### 1. Estimate preparation
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1. Initial the OneNote
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2. Find Fire Alarm plans (If Applicable)
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3. Locate Fire Command Center (FCC)
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### 2. Takeoff
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1. Use the FA Riser Script
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2. Takeoff Devices
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### 3. Extension (Review and Checking)
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1. Sleeving for riser?
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2. Are Two-Way/DAS Included?
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## Fire Alarm - Devices
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### 1. Estimate preparation
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2. Read about the project specifications and construction type
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3. Find FA drawings or where they are shown
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### 2. Takeoff
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1. Takeoff floor plans in order
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2. Takeoff enlarged drawings
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### 3. Extension (Review and Checking)
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8. Fire Smoke Dampers (FSD's) FA or electrical?
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9. Sleeving?
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## Lighting
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### 1. Estimate preparation
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1. Read about the project specifications and construction type
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2. In drawings, locate:
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* Fixture Schedule
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* Reflected Ceiling Plans
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### 2. Takeoff
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1. Takeoff floor plans in order
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2. Takeoff enlarged drawings
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### 3. Extension (Review and Checking)
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1. Garage Homeruns
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2. Luminaire in Amenity Areas
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3. Ensure appropriate breakdowns
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* Site lighting in System =="Site Misc. Fixtures"==
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## Units
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### 1. Estimate preparation
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1. Locate Unit panels and relevant keynotes
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* Bus amps
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2. Read about the project specifications and construction type
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* Wood or Metal studs
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* Wiring Method
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* NM or MC
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* Wiring device plates
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* Decora or Standard
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* Wiring device specs
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* are 15A devices allowed?
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* Equipment (20A Kitchen and bath)
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3. Fill out OneNote
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### 2. Takeoff
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1. Kitchen and Bath
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2. General assemblies
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3. Low Voltage
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4. Lighting Control
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5. Lighting Fixtures
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Copy paste original takeoff and adjust to changes
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### 3. Extension (Review and Checking)
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1. Scroll through with Area selected and make sure there is takeoff for each unit type
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## Telecom - Devices
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### 1. Estimate preparation
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1. Locate Proposal/Scope of Work. Determine ownership and takeoff responsibility:
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* Cabling
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* Conduit & Pathways
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* Sleeving
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2. Locate which plans the LV is taken off on
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3. Locate LV Details
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4. Read about the project specifications and construction type
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5. Fill out OneNote
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### 2. Takeoff
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1. Takeoff devices as shown throughout the building
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2. Takeoff Conduit Riser as needed
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### 3. Extension (Review and Checking)
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1. Sleeving
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## Telecom - Riser
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1. Service entrance conduit "Site Low Voltage Ductbank (SLVDB)"
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2. Riser throughout building
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3. Sleeving for riser
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## Subfeeds
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### 1. Estimate preparation
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1. Read about the project specifications and construction type
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* Delivery Method: (Plans & Specs, Design Build, Design Assist, Preliminary Budget)
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* Deck Thickness
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* Corridor Ceiling type
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2. In the drawings, locate:
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* Unit Panel Schedules
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* Unit Load Calculations
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* Riser Diagram
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* Subfeed schedule (if present)
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### 2. Takeoff
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1. Determine wiring method
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| Construction Type | Wiring Method | Subfeed Options |
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| ----------------- | ------------- | --------------- |
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| 1,2 | MC Cable | MC, PVC, EMT |
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| 3,4,5 | NM Cable | SER, EMT |
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%%
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TODO: Create flow chart for wiring methods.
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Some cases to mention:
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* Deck thickness (minimum 3x conduit outer diameter)
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* Renovations (may not be able to run in slab)
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%%
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2. Route subfeeds to the Meter Centers using appropriate adder lengths
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> [!tip]
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> Identify if and where typicals can be used
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3. Assign material to lengths and apply Voltage drop if applicable
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4. Pigtails and Wireway Troughs if applicable
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### 3. Extension (Review and Checking)
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1. Use the extension tab to determine the Correct Quantity
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## Switchgear
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### 1. Estimate preparation
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1. Initial the OneNote
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2. In the drawings, locate:
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* Riser Diagrams
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* House Panels
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### 2. Takeoff
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1. Copy over the Temporary assemblies from "Ben -1"
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2. Build Items in Distribution:
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* Panelboards
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* Switchboards
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* Transfer SWs
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* Meter centers
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* Generator
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3. Takeoff Common Assemblies:
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* XFMRs
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* Disconnect Switches
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* Bus Duct
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4. Takeoff Items in Item Database:
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* Wireway (Trough/Gutter)
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5. Takeoff Temp Assemblies:
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* CT Cabinet
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* Meter
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* Fire Pump
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* Fire Pump Controller
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* SPD/TVSS
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When building panelboards/switchboards,
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add terminations according to an example from the schedules.
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Do not include feeder terminations.
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Items to Avoid:
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* Tap Boxes
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* Bus Duct
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* Vault Room
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* Anything FPL
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* Grounding
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* Elevator Room
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### 3. Extension (Review and Checking)
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1. Generator
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* Ensure takeoff is in the generator Area and System breakdowns
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* Put location, quantity, and type on OneNote
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## Low Voltage
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### 1. Estimate preparation
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1. Locate Proposal/Scope of Work. Determine ownership and takeoff responsibility:
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* Cabling
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* Conduit & Pathways
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* Sleeving
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2. In the drawings, locate:
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* Floor plans where LV scope is shown
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* LV Details
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3. Read about the project specifications and construction type
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4. Fill out OneNote
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### 2. Takeoff
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1. Takeoff devices as shown throughout the building
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2. Takeoff riser conduit as needed
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### 3. Extension (Review and Checking)
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1. Sleeving for riser
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