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2025-07-03 17:48:00 -04:00
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.obsidian/workspace.json
Vendored
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"uncertainty.md",
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datasets/overrun-trends.tsv
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new-additions/README.md
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# notebook
This is a temporary spot for my notes while I figure out my setup.
## TODO
1. move main vault "ZMVault" to Github
2. branch and merge these notes with repo
new-additions/_converted/Takeoff.md
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new-additions/automation/award-analysis.md
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# Award Analysis
BPM > Reports > Awards
The HUB > HUB Insights > WIGs, KPIs & milestones
Inception to Date (ITD)
$$
"Overrun $" = "ITD Cost $" - "Baseline Cost $"
"Overrun %" = "Overrun $" / "Baseline Cost $"
"Overrun %" = "ITD Cost $" / "Baseline Cost $" - 1
$$
> [!observation]
> Curiously, we've decreased expected uncertainty significantly,
> but are consistently overbidding by ~13%.
This observation is likely due to more recent projects still being in their infancy,
where costs have not been totally realized.
new-additions/automation/feeder-verification.md
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# Feeder Verification Automation
> * Filter by Feeders system in Takeoff
> * Highlight everything and copy into excel
> * Erase the everything except the description, length, and count
> * Make a note of any typicals
> * Redo the same process but with USF, Primaries, and Secondaries
> * Save as and rename to NAME - Feeder Verification in the PSN folder
Breakdown selection is straightforward.
Still need a solution to select all takeoffs.
Get top left corner of pane, offset down and right.
new-additions/evpi-takeoff.md
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# EVPI Takeoff
Expected value of perfect information (EVPI)
The perceived *value* of decreased uncertainty
must be weighed against its *cost*.
Takeoff purchases certainty with estimator hours.
Estimator hours have a not insubstantial real cost in salary and burden,
however the opportunity cost may exceed this.
Count-based takeoff speed increases with count.
***
Optimizing the takeoff process means:
* *Minimizing* the need for information outside of drawings
* *Maximizing* organizational consistency
***
Recent events have complicated my philosophy above.
It appears that similar efforts have already been made here,
their success being a matter of perspective.
## Naming Conventions (Use Case vs. Description)
Naming by use case is intuitive for those without estimating or field experience,
but has the side effect that those acustomed to the names will inevitably treat them as descriptive.
new-additions/new-hire.md
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# NEW HIRE - ESTIMATOR
| | |
| --------------- | -------------------------------------------- |
| **Department:** | Construction Estimating |
| **Date:** | 06/09/2025 (Onboarding) – 06/16/2025 at desk |
| **Employee:** | Zane Meyers |
## Expectations and Responsibilities
### WBS and Unit Matrix
* Develop the correct project setup in the WBS spreadsheet & Accubid
based on building type, construction method and market.
* Create project WBS and Unit Matrix
### Means and Methods
* Determining means and methods from project documents
* Fill out project OneNote checklist for assigned scopes
### Accubid/LiveCount
* Estimate assigned projects using knowledge
of PDI scopes, sort codes, NEC and regional requirements
* Proper Accubid take-off
### Note Taking
* Improve accuracy/quality of estimates.
* Taking notes during trainings,
correcting mistakes in take-off,
and documenting/referencing feedback for future projects
### Prioritize
* Maintain checkpoints with Sr. Estimator for priority items/projects
* Check Smartsheets
## Goals
- Complete a full-take-off within first 6 months of start
- Complete Accubid tabs within first year of start
new-additions/powershell-document-conversion-module.md
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# PowerShell Document Conversion
PowerShell module to allow fluent conversion of "document" files,
including markup source (.md, .adoc, .rst, etc.)
and binary formats (.pdf, .docx, etc.),
as well as allow ~~common high-level actions on them.~~
> [!note]
> Cmdlets should be written to accept multiple input files where appropriate.
## `Convert-Document`
* pandoc
* calibre `ebook-convert` (if necessary)
* muPDF
* AsciiDoctor
## `Measure-Document`
Measure total words, occurances of unique words, etc.
Where applicable, the same by page, as well as total pages.
## `Format-Document`
Run format specific linter on document.
## `Get-DocumentMetadata`/`Set-DocumentMetadata`
> Reconcile document metadata formats
## `Import-Document`
Return PSCustomObject with appropriate properties.
***
## `Import-XML`
Missing from base pwsh but should be straightforward to implement.
```pwsh
function Import-XML {
param(
[string]$Path
)
$xmlText = Get-Content $Path
$document = [xml]$xmlText
return $document
}
```
`*.SupplierLink.xml`
## `Unblock-Excel`
new-additions/takeoff/breakdowns.md
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# Breakdowns
Managing breakdowns is the most time consuming part of takeoff.
Assembly selection is comparatively quick compared to Anywhere.
## Site
Area: `2 - Site`
Phase: `Site`
## Garage
### General
Area: `XX - Level P1 Garage`
Phase: `Garage`
`XX - Level P1 Garage`
`XX - Level P1 Building`
### Stairwells
Area: `S - Stairwells Garage`
Phase: `Garage`
## Building
### General
Area: `XX - Level XX Building`
Phase: `Building - BOH, Storage & Common`
### Corridors
Area: `XX - Level XX Building`
Phase: `Building - Corridors`
### Stairwells
Area: `S - Stairwells Building`
Phase: `Building - BOH, Storage & Common`
### Rentable
#### Residential
Area: `XX - Level XX Building`
Phase: `Unit Residential`
#### Hotel
Area: `XX - Level XX Building`
Phase: `Unit Key`
### Interior Amenity
#### General
Area: `XX - Level XX Amenity Building`
Phase: `Interior Amenity`
#### Kitchen
Area: `XX - Level XX Kitchen Building`
Phase: `Kitchen`
#### Retail
Area: `XX - Level XX Retail Building`
Phase: `Retail`
#### Ballroom
Area: `XX - Level XX Ballroom Building`
Phase: `Ballrooms`
### Exterior Amenity
Area: `XX - Level XX Exterior Amenity Building`
Phase: `Exterior Amenity (Courtyards, Pool Decks)`
new-additions/takeoff/designations.md
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# Designations
## Building Designations
## Modifying Designations
> [!tip]
> It is generally easier to rebuild a designation than to modify it.
> For designations with existing takeoffs, Right-Click > `Empty Designation`.
> The build process can then be completed anew.
new-additions/takeoff/lighting.md
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# Lighting Takeoff
## Fixtures
### Fixture Labor
> | Fixture Type | Labor |
> | ------------ | -------------- |
> | Paddle Fan | 1.5 hrs/ea |
> | Pendant | 1-4 hrs/ea[^1] |
> | Strip/Cove | 0.083 hrs/ft |
> | Site Poles | 1.5 hrs/ea |
> | Festoon | 2 hrs/ea |
> | All Others | 1 hrs/ea |
>
> [^1]: Determine exact labor from fixture and size.
### Fixture Branch Length
> | Case | Standard Length |
> | ------------- | --------------- |
> | Site/Courtyard | 50ft[^1] |
> | Garage | 50ft |
> | BOH | 40ft |
> | Corridors | 40ft |
> | Interior Amenity | 40ft[^2] |
> | Office/Retail | 50ft |
> | Exterior Amenity | 50ft |
> | Units | 20ft |
>
> [^1]: Locate the panel and come up with avg. length
>
> [^2]: See fixture types below for special cases.
### Fixture Branch Wire size
> | Case | Wire Size |
> | -------------- | --------- |
> | Site/Courtyard | #10[^1] |
> | Garage | #10 |
> | NM Cable | #14[^2] |
> | All Others | #12 |
>
> [^1]: Refer to panel schedules or Site Pole Detail for Site Pole wire size
>
> [^2]: Kitchen and bathroom fixtures shall be #12 (NOT #14) on wood frame (NM) projects.
### Garage
#### Fixtures
Use ENT Assembly unless spec requires otherwise.
`PVC/ENT ASSEMBLIES`/`GARAGE FIXTURE ENT W/#10 - STEEL OCT RING`
`PVC/ENT ASSEMBLIES`/`GARAGE FIXTURE W/T ROD ENT W/#10 - STEEL OCT RING`
If PVC, use following assemblies:
| Case | Assembly Path |
| ------- | -------------------------------------------------------------------------- |
| Ceiling | `PVC/ENT ASSEMBLIES`/`... - SLAB BOX / 45 DEG STUBBY` |
| Wall | `PVC/ENT ASSEMBLIES`/`... - STL BOX & TILE RING / 45 DEG STUBBY/ ENT DROP` |
#### Homeruns
> `System` = "EL - Electrical"
Use 1 Homerun for every 3 circuits in Garage
Use assembly `Common Assemblies`/`Device Homeruns in Slab/Deck`
### Surface Mount
* Wall Mount (Sconce)
* Pendant
* Linear
* Tape
* Track
| Wiring Method | Assembly Path |
| ---------------------------------------------------------------------------- |
| NM Cable | `NM ASSEMBLIES`/`RND BOX BAR HNGR...` |
| MC Cable | `MC ASSEMBLIES`/`SQ BOX, ROUND P RING & MNTG BRKT...` |
| PVC in Ceiling | `PVC/ENT ASSEMBLIES`/`... - SLAB BOX / 45 DEG STUBBY` |
| PVC in Wall | `PVC/ENT ASSEMBLIES`/`3/4" PVC W/ 3#12 - STL BOX/TILE RING` |
| EMT | `EMT ASSEMBLIES`/`... - SQ BOX & ROUND P RING` |
> [!note]
> Use lighting control cable assemblies in Amenity areas
#### Tape Lighting
Also called "cove" or "strip",
however those terms are less specific
and potentially confusing.
Use item `FIXTURE LABOR 1/2HR`
and change `Fct 1` to match the calculated labor.
> [!note]
> Tape lighting length is limited by the "max power length" of the model
> (usually measured in millimeters).
> Max power length is usually 5000 to 15000 mm (about 16 to 49 ft)
> depending on luminous output and voltage.
Separate these fixtures by labor, not length
```
A - Tape 0.5hr (1-6ft) - MC #12 40ft
A - Tape 1.0hr (7-12ft) - MC #12 40ft
A - Tape 1.5hr (13-18ft) - MC #12 40ft
A - Tape 2.0hr (19-24ft) - MC #12 40ft
A - Tape 2.5hr (25-30ft) - MC #12 40ft
A - Tape 3.0hr (31-36ft) - MC #12 40ft
A - Tape 3.5hr (37-42ft) - MC #12 40ft
A - Tape 4.0hr (43-48ft) - MC #12 40ft
A - Tape 4.5hr (49-54ft) - MC #12 40ft
A - Tape 5.0hr (55-60ft) - MC #12 40ft
A - Tape 5.5hr (61-66ft) - MC #12 40ft
A - Tape 6.0hr (67-72ft) - MC #12 40ft
A - Tape 6.5hr (73-78ft) - MC #12 40ft
A - Tape 7.0hr (79-84ft) - MC #12 40ft
A - Tape 7.5hr (85-90ft) - MC #12 40ft
A - Tape 8.0hr (91-96ft) - MC #12 40ft
A - Tape 8.5hr (97-102ft) - MC #12 40ft
A - Tape 9.0hr (103-108ft) - MC #12 40ft
A - Tape 9.5hr (109-114ft) - MC #12 40ft
A - Tape 10.0hr (115-120ft) - MC #12 40ft
```
### Recessed
* recessed downlight
* recessed linear
* wall grazer
* troffer
| Wiring Method | Assembly Path |
| ------------- | ------------------------------ |
| NM Cable | `NM ASSEMBLIES`/`HI HAT - ...` |
| MC Cable | `MC ASSEMBLIES`/`HI HAT - ...` |
For crowded puck light areas:
measure length between fixtures,
round up to the nearest 5ft
> [!note]
> "HI HAT" refers to a recessed can fixture.
### Undercabinet Fixtures
| Wiring Method | Assembly Path |
| ------------- | ------------------------------------- |
| NM Cable | `NM ASSEMBLIES`/`UNDER CABINET - ...` |
| MC Cable | `MC ASSEMBLIES`/`UNDER CABINET - ...` |
> [!note]
> Takeoff 2 fixtures if jumping over oven
Use 10ft #12/2 for MC & NM
### Paddle Fans
| Wiring Method | Assembly Path |
| ------------- | ----------------------------------------------------- |
| NM Cable | `NM ASSEMBLIES`/`RND BOX BAR HNGR...` |
| MC Cable | `MC ASSEMBLIES`/`FAN RATED OCT BOX W/ BAR HNGR - ...` |
| PVC | `PVC/ENT ASSEMBLIES`/`... - SLAB BOX / 45 DEG STUBBY` |
### Stairwells & Elevators
`PVC/ENT ASSEMBLIES`/`... - SLAB BOX / 45 DEG STUBBY`
### Facade
> `Phase` = "Facade"
Length and Labor will be more than a normal fixture in BOH/Amenity
> | Fixture Type | Labor (hrs) |
> | ------------ | ----------- |
> | Non-Linear | 2 |
> | Linear | See above |
> 1. `3/4" PVC W/ 3#10 - STL BOX & TILE RING / 45 DEG STUBBY/ ENT DROP`
> * `Length per Unit` = Distance to panel
### Porte Cochere (Drive up Area)
Create its own breakout in WBS, and phase in Accubid
This is not technically exposed or drop ceiling, but still use PVC
### FAA Lighting
> 1. `FIXTURE LABOR`/`FIXTURE LABOR 1HR`
> 2. `FESTOON & ROOF ASSEMBLIES`/`Aircraft Warning, 3/4" Conduit GRC/PVC 2#10, 1#10G`
## Controls
Lorem ipsum
## Site & Courtyard
### Breakdowns
> `System` = "FML - Site Fixtures Material & Labor"
### Fixture Assemblies
> | Fixture Type | Assembly Path |
> | ------------------------------------ | -------------------------------------------------------------------------------- |
> | Step Light | `COURTYARDS & LANDSCAPE`/`STEP FIX, 3/4" CONDUIT - PVC40 - ...` |
> | Bollard | `COURTYARDS & LANDSCAPE`/`BOLLARD, 3/4" CONDUIT - PVC40 - ...`[^1] |
> | Up-light | `COURTYARDS & LANDSCAPE`/`PERMA POST, 3/4" CONDUIT - PVC40 - ...` |
> | In-grade up-light | `COURTYARDS & LANDSCAPE`/`3/4" CONDUIT - PVC40, IMC Elbow, ...` |
> | Fixtures built into cabanas/pergolas | `COURTYARDS & LANDSCAPE`/`ALUM BOX W/ FLEX FIX, 3/4" CONDUIT - PVC40 - ...` |
> | Handrail light | `COURTYARDS & LANDSCAPE`/`ALUM BOX W/ FLEX FIX, 3/4" CONDUIT - PVC40 - ...`[^2] |
>
> [^1]: If we don't own concrete, delete Pre-cast bollard base from assembly
>
> [^2]: Per Corwin: Hand rail lights should have a rigid 90 stub up and some flex
#### Festoon Lighting
AKA "string" or "market" lights
> 1. `FIXTURE LABOR`/`FIXTURE LABOR 2HR`
> 2. `FESTOON & ROOF ASSEMBLIES`/`FESTOON CABLE HANGER & EYE BOLTS - LENGTH`
> * `Length per Unit` = Light string length
> 3. `COURTYARDS & LANDSCAPE`/`ALUM BOX W/ FLEX FIX, 3/4" CONDUIT - PVC40 - ...`
> * `Length per Unit` = Distance to panel + 15ft
new-additions/takeoff/units.md
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# Unit Takeoff
> [!tip] Preparing for Unit Takeoff
Units generally have very little variation.
I
## Hotel
> [!info] Also Known As
> * Guestrooms
> * Keys
## Residential
> [!info] Also Known As
> * Condos
new-additions/the-failure-of-risk-management.md
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# *The Failure of Risk Management*
The Failure of Risk Management
(Why It's Broken and How to Fix It)
by Douglas W. Hubbard
## Key Takeaways
Qualititative risk analysis
(i.e. risk matricies, scoring charts)
departs from legitimate statistical methodology
and has no robust evidence to suggest its efficacy.
There is good reason to believe that such methods
are deleterious to their intended purpose
in contradiction to the common response
that they are "better than nothing".
Expected Value (Probability × Magnitude)
alone can not predict or inform risky decisions,
except for risk-neutral parties.
People and organizations are risk-averse
~~TODO: see chapter 6~~
## Mentioned Topics and Abbreviations
Analytic Hierarchy Process (AHP)
Multi-Attribute Utility Theory (MAUT)
Actuarial Science
Options Theory (OT)
Modern Portfolio Theory (MPT)
Probabalistic Risk Analysis (PRA)
Value at Risk (VaR)
Loss-Exceedance Curve (LEC)
Risk Tolerance