vault backup: 2025-10-09 13:25:21

2025-10-09 13:25:22 -04:00
parent a45d3674e3
commit a8b5b79942
6 changed files with 197 additions and 106 deletions
@@ -1,33 +1,81 @@
 {
  "recentFiles": [
    {
-      "basename": "fire-alarm",
-      "path": "fire-alarm.md"
-    },
-    {
-      "basename": "hvac-calculations",
-      "path": "hvac-calculations.md"
-    },
-    {
-      "basename": "alternating-current",
-      "path": "alternating-current.md"
-    },
-    {
-      "basename": "conductor-sizing",
-      "path": "conductor-sizing.md"
+      "basename": "windows-setup",
+      "path": "windows-setup.md"
    },
    {
      "basename": "full-takeoff",
      "path": "full-takeoff.md"
    },
    {
-      "basename": "electrical",
-      "path": "electrical.md"
+      "basename": "favorite-quotes",
+      "path": "favorite-quotes.md"
    },
    {
      "basename": "README",
      "path": "README.md"
    },
+    {
+      "basename": "me",
+      "path": "me.md"
+    },
+    {
+      "basename": "strategy",
+      "path": "strategy.md"
+    },
+    {
+      "basename": "ai-in-estimating",
+      "path": "ai-in-estimating.md"
+    },
+    {
+      "basename": "alternating-current",
+      "path": "alternating-current.md"
+    },
+    {
+      "basename": "area-of-refuge",
+      "path": "area-of-refuge.md"
+    },
+    {
+      "basename": "assembly-objects",
+      "path": "assembly-objects.md"
+    },
+    {
+      "basename": "assembly-philosophy",
+      "path": "assembly-philosophy.md"
+    },
+    {
+      "basename": "automating-estimating-project-creation",
+      "path": "automating-estimating-project-creation.md"
+    },
+    {
+      "basename": "automating-pdf-annotation",
+      "path": "automating-pdf-annotation.md"
+    },
+    {
+      "basename": "conductor-sizing",
+      "path": "conductor-sizing.md"
+    },
+    {
+      "basename": "gold-plating",
+      "path": "gold-plating.md"
+    },
+    {
+      "basename": "accubid-setup",
+      "path": "accubid-setup.md"
+    },
+    {
+      "basename": "hvac-calculations",
+      "path": "hvac-calculations.md"
+    },
+    {
+      "basename": "fire-alarm",
+      "path": "fire-alarm.md"
+    },
+    {
+      "basename": "electrical",
+      "path": "electrical.md"
+    },
    {
      "basename": "stochastic-branch-takeoff",
      "path": "stochastic-branch-takeoff.md"
@@ -108,14 +156,6 @@
      "basename": "this-notebook",
      "path": "this-notebook.md"
    },
-    {
-      "basename": "accubid-setup",
-      "path": "accubid-setup.md"
-    },
-    {
-      "basename": "me",
-      "path": "me.md"
-    },
    {
      "basename": "material-pricing",
      "path": "material-pricing.md"
@@ -136,14 +176,6 @@
      "basename": "feeders",
      "path": "feeders.md"
    },
-    {
-      "basename": "assembly-objects",
-      "path": "assembly-objects.md"
-    },
-    {
-      "basename": "automating-estimating-project-creation",
-      "path": "automating-estimating-project-creation.md"
-    },
    {
      "basename": "project-info",
      "path": "project-info.md"
@@ -164,41 +196,9 @@
      "basename": "90-day-performance-review",
      "path": "90-day-performance-review.md"
    },
-    {
-      "basename": "favorite-quotes",
-      "path": "favorite-quotes.md"
-    },
    {
      "basename": "open-problems-in-estimating",
      "path": "open-problems-in-estimating.md"
-    },
-    {
-      "basename": "location-vs-scope",
-      "path": "Excalidraw/location-vs-scope.md"
-    },
-    {
-      "basename": "company-switch",
-      "path": "company-switch.png"
-    },
-    {
-      "basename": "pathfinding",
-      "path": "pathfinding.md"
-    },
-    {
-      "basename": "gut-feel",
-      "path": "gut-feel.md"
-    },
-    {
-      "basename": "estimating-methodologies",
-      "path": "estimating-methodologies.md"
-    },
-    {
-      "basename": "getting-historical-pricing",
-      "path": "getting-historical-pricing.md"
-    },
-    {
-      "basename": "functional-labor-factoring",
-      "path": "functional-labor-factoring.md"
    }
  ],
  "omittedPaths": [],
@@ -28,3 +28,8 @@ Novel syntax implemented by Obsidian plugins should be avoided.

 All notes are located in the main directory.
 [[tags]] are used for filtering.
+
+## Setup from Scratch
+
+For steps to clone this vault
+and setup Git see [[windows-setup]].
@@ -115,6 +115,14 @@ either for spec requirements or conduit fill considerations.

 ## Voltage Drop

+> [!info] Ohm's Law
+>
+> $$
+> V = I \times R, \quad R = \frac{ V }{ I }, \quad I = \frac{ V }{ R }
+> $$
+
+### Step 1: Effective Impedance $Z$
+
 $$
 Z = R \cos(\theta) + X \sin(\theta)
 $$
@@ -125,47 +133,7 @@ where
 * $X$ = Reactance
 * $\theta$ = Power factor angle = $\arccos(PF)$

-> [!info] 1-Phase, Line to Neutral Voltage Drop
->
-> $$
-> \Delta V_{LN} = I \times Z \times 2L
-> $$
-
-> [!info] 1-Phase, Line to Line Voltage Drop
->
-> $$
-> \Delta V_{LL} = \sqrt{3} \times I \times Z \times 2L
-> $$
-
-> [!info] 3-Phase Voltage Drop
->
-> $$
-> \Delta V_{3\phi} = \sqrt{3} \times I \times Z \times L
-> $$
-
-where
-* $\Delta V$ = Voltage drop in volts ($V$)
-* $I$ = Current in amperes ($A$)
-* $L$ = Length of wire one way in feet ($\text{ft}$)
-
-It is often more useful to know the maximum length
-a certain wiring configuration is suitable for.
-
-$$
-L = \frac{ \Delta V }{ I \times M } \times \frac{1}{Z}
-$$
-
-> [!info] Ohm's Law
->
-> $$
-> V = I \times R, \quad R = \frac{ V }{ I }, \quad I = \frac{ V }{ R }
-> $$
-
-> [!important]
-> "Current" is not the OCPD rating,
-> but the actual load.
-
-## Parallel Runs
+#### Parallel Runs

 The equivalent resistance of parallel resistances is given by

@@ -183,6 +151,65 @@ $$
 \end{align*}
 $$

+### Step 2: Voltage Drop
+
+> [!important]
+> This section assumes a 3-phase
+> 208Y/120V or 480Y/277V voltage system
+
+> [!info] 3-Phase Voltage
+> $$
+> V_{LL} = \sqrt{3} \times V_{LN}, \quad V_{LN} = \frac{V_{LL}}{\sqrt{3}}
+> $$
+
+3% allowable voltage drop for a 120V line-to-neutral load:
+
+$$
+\text{Max} \Delta V = 0.03 \times 120 \text{V}_{LN} = 3.6 \text{V}_{LN}
+$$
+
+3% allowable voltage drop for a 208V line-to-line load:
+
+$$
+\text{Max} \Delta V = 0.03 \times 208 \text{V}_{LL} = 6.24 \text{V}_{LL}
+$$
+
+#### Line to Neutral Loads
+
+$$
+\Delta V_{LN} = I \times Z \times 2L
+$$
+
+#### Line to Line Loads
+
+$$
+\Delta V_{LL} = \sqrt{3} \times \left( I \times Z \times 2L \right)
+$$
+
+#### 3-Phase Loads
+
+$$
+\Delta V_{3\phi} = \sqrt{3} \times \left( I \times Z \times L \right)
+$$
+
+where
+* $\Delta V$ = Voltage drop in volts ($V$)
+* $I$ = Current in amperes ($A$)
+* $L$ = Length of wire one way in feet ($\text{ft}$)
+
+> [!important]
+> "Current" is not the OCPD rating,
+> but the actual load.
+
+***
+
+It is often more useful to know the maximum length
+a certain wiring configuration is suitable for.
+
+$$
+L = \frac{ \Delta V }{ I \times M } \times \frac{1}{Z}
+$$
+
 ## Transformers

 $$
@@ -65,4 +65,4 @@ Others with as much free time as me tend to spend it exercising.
 I want to be involved construction estimating for the rest of my working life.
 Current discourse on the subject is self-similar and sanitized.
 I'd like to be known as an innovator in [[estimating-philosophy]],
-and for solving some of its [[open-problems-in-estimating]].
+and for solving some of its [[open-problems-in-estimating|open problems]].
@@ -0,0 +1,59 @@
+# Windows Setup
+
+## Clone This Vault
+
+1. Create a [GitHub](https://github.com/)
+  account if you don't have one already.
+
+2. Install [Git](https://git-scm.com/)
+
+  ```
+  winget install Git.Git
+  ```
+
+3. Clone this repo
+
+  ```
+  git clone https://github.com/ZaneMeyers/zmVault
+  ```
+
+> [!important]
+> If you're reading this,
+> you probably have push access to this repo.
+> Please do me a favor and don't use it.
+> It won't be destructive, but it may be annoying.
+
+If you make unintended changes to this vault:
+
+```
+cd zmVault
+git reset --hard
+```
+
+## Setup Obsidian
+
+1. Download and install [Obsidian](https://obsidian.md/)
+
+## Create Your Own Vault
+
+### Create a GitHub Repository
+
+<!-- TODO: -->
+
+### Create and Push your Vault
+
+```
+mkdir myVault
+git init
+git add README.md
+git commit -m "first commit"
+git branch -M main
+git remote add origin https://github.com/ExampleName/myVault.git
+git push -u origin main
+```
+
+### Set Up Your Vault
+
+Add and enable the Git Community Plugin.
+
+<!-- TODO: -->