vault backup: 2026-05-04 17:15:02
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---
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id: 2025-08-15T14:15:41-0400
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title: 2025-08-15 14:15:41
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tags: []
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daily: "[[2025-08-15]]"
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---
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# 2025-08-15 14:15:41
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Exact date of quote unknown.
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Assumed date is that of commit 85d30c0,
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the first commit the quote appeared
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in its previous location [[feeders-takeoff]],
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formerly "feeders.md".
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> [!cite] [[joel-jansen]], in reference to Omni Hotels Raleigh (pp.)
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> It is acceptable to use typicals for identical feeders
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> (i.e. meter centers fed from bus plugs)
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> so long as the typical is in `Area` = "01 - Feeders/Risers ...".
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@@ -0,0 +1,20 @@
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---
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id: 2025-11-11T00:00:00-0500
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title: 2025-11-11 ??:??:??
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tags: []
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daily: "[[2025-11-11]]"
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---
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# 2025-11-11 ??:??:??
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> [!quote] [[joel-jansen]] 2025-11-11, pp.
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>
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> For N5-15R/N5-20R receptacles serving fixed equipment such as:
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>
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> * refrigerators
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> * gas ranges
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> * microwaves
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> * clothes washers
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> * hood fans
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>
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> match the receptacle configuration shown on the plans
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> (i.e. simplex to simplex, duplex to duplex).
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@@ -11,6 +11,10 @@ daily: "[[2025-12-03]]"
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## Excluding Vs. Ignoring Project Requirements
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%%
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A criticism of an observed lack of [[transparency]] in [[construction-estimating]].
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%%
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There is a distinct difference between _excluding_ and _ignoring_ requirements.
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If, before award, you communicate to the customer
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@@ -12,7 +12,9 @@ daily: "[[2025-12-10]]"
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## ConEst Lighting Controls Meeting Notes
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Related: [[lighting-controls-takeoff]]
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Meeting of all members of electrical [[conest|ConEst]]
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to discuss [[lighting-controls-takeoff]]
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lead by [[corwin-fluit]].
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### Minutes
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@@ -57,7 +59,8 @@ The lighting control problem is misunderstood.
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It's true that some technical training would be beneficial to ConEst estimators,
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but root of the problem has nothing to do with lighting control.
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When I heard [[#^ex]], where lighting control went wrong
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When I heard [[#^ex|Corwin's example]],
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where lighting control went wrong
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and costed a job half a million in profit,
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what I took away was that we sold high-risk scope
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without knowing what was required _and without qualification_.
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@@ -7,7 +7,7 @@ daily: "[[2025-12-12]]"
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---
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# 2025-12-12 09:38:52
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A humorous exchange between a peer in estimating and myself:
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A humorous exchange between a peer in [[conest|ConEst]] and myself:
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> **Peer:** "Your research will one day cure estimator's brain,
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> a disease sweeping across \[our\] floor"
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@@ -9,7 +9,7 @@ daily: "[[2025-12-17]]"
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%% [[statistical-modeling-for-construction-estimating]] %%
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One aspect of estimating that I find most interesting,
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One aspect of [[construction-estimating]] that I find most interesting,
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but that is criminally understudied,
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is the effect of building dimensions
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(footprint shape, floor area, stories, height)
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@@ -1,9 +0,0 @@
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---
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id: 2025-12-18T08:32:18-0500
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title: 2025-12-18 08:32:18
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tags:
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daily: "[[2025-12-18]]"
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---
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# 2025-12-18 08:32:18
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[[uncertainty-in-construction-estimating]]
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@@ -9,7 +9,7 @@ daily: "[[2025-12-18]]"
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## Estimating Golf
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What interests me most in [[construction-estimating]]
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is an idea you might call "estimating golf":
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is an idea you might call [[estimating-golf|"estimating golf"]]:
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the goal is to produce a satisfactory[^1] estimate,
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but the estimator can not view the project documents
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and must instead ask questions about the job
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@@ -7,8 +7,11 @@ daily: "[[2026-01-04]]"
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---
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# 2026-01-04 ??:??:??
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Horror is usually made more horrifying by the inclusion of one or more persons who do not find the situation horrifying.
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Horror is usually made more horrifying
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by the inclusion of one or more persons
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who do not find the situation horrifying.
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One cannibal is bad, a society of cannibals is worse than the sum.
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One cannibal is bad,
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a society of cannibals is worse than the sum.
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Book of the New Sun Severian
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[[the-book-of-the-new-sun|The Book of the New Sun]] Severian
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@@ -9,6 +9,11 @@ daily: "[[2026-01-05]]"
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## Bluebeam Scripting
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%%
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Documentation on scripting
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for [[pdf]] editor Bluebeam Revu.
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%%
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### Built-In
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C:\Program Files\Bluebeam Software\Bluebeam Revu\21\Help\Bluebeam Script Reference.pdf
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@@ -2,11 +2,11 @@
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id: 2026-01-07T06:41:00-0500
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title: 2026-01-07 06:41:??
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tags:
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- exclude-from-word-count
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daily: "[[2026-01-07]]"
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---
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# 2026-01-07 06:41:??
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> [!quote] _The Shadow of the Torturer_, Chapter 17: "The Challenge"
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> No intellect is needed to see those figures who wait beyond the void of death---
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> every child is aware of them, blazing with glories dark or bright,
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> wrapped in authority older than the universe.
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@@ -21,4 +21,6 @@ daily: "[[2026-01-07]]"
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> (though we obey the orders of some prosaic person every day) our own masters,
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> when the truth is that our masters are sleeping.
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> One wakes within us and we are ridden like beasts,
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> though the rider is but some hitherto unguessed part of ourselves.
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> though the rider is but some hitherto unguessed part of ourselves.[^1]
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[^1]: [[wolfe_1980_shadow#XVII - The Challenge]]
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@@ -1,10 +1,16 @@
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---
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id: 2026-01-07T10:03:00-0500
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title: 2026-01-07 10:03:??
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tags:
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tags: []
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daily: "[[2026-01-07]]"
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---
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# 2026-01-07 10:03:??
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At Ace, "residential" always meant single-family/duplex construction,
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%%
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Speculation about the meaning of [[construction]] terminology
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as understood by other contractors.
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%%
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At [[ace-electric-inc|Ace]],
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"residential" always meant single-family/duplex construction,
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but I think now we were the outliers.
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@@ -6,13 +6,14 @@ daily: "[[2026-01-09]]"
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---
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# 2026-01-09 16:28:??
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### Occam's razor
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### Occam's Razor
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> [!info] Also Known As
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> * the principle of parsimony
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> * the law of parsimony
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recommends searching for explanations constructed with the smallest possible set of elements.
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Recommends searching for explanations constructed with the smallest possible set of elements.
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Attributed to William of Ockham, 14th-century English philosopher and theologian.
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> _Entia non sunt multiplicanda praeter necessitatem_
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@@ -21,5 +22,5 @@ Attributed to William of Ockham, 14th-century English philosopher and theologian
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> "Of two competing theories, the simpler explanation is to be preferred."
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> [!quote] [[klugman-et-al_2019_loss-models#4.2 The Role of Parameters]]
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> The principle of parsimony states that the simplest model
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> that adequately reflects reality should be used.
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> The principle of parsimony states
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> that the simplest model that adequately reflects reality should be used.
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@@ -7,11 +7,16 @@ daily: "[[2026-01-11]]"
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---
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# 2026-01-11 11:00:??
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%%
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Comment on a flawed understanding of [[construction-estimating]],
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common even among estimators.
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%%
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![[my-favorite-quotes#"It Takes an Engineer to Build a Bridge that Barely Stands"]]
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The value that estimators provide for a contractor
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is in modeling project cost.
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If the goal were simply to present a number the cost will not exceed,
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is in _modeling project cost_.
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If the goal were simply to present a number that the cost will not exceed,
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than anyone could be an estimator.
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If the goal were only to present a reasonably accurate figure,
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with no other constraints,
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@@ -46,11 +51,13 @@ it is not cost-effective[^1] to allow it to take four.[^2]
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they may have reasonable basis to set sliding standards for estimate precision
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to be specifically determined at consideration of the opportunity for bid
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according to current climate (i.e. their transient risk appetite).
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I believe my use of the absolute is still fair:
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No contractor is doing that, so they lack a competent measure of risk tolerance
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besides continuing to tolerate what they have historically.
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No contractor is doing that,
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so they lack a competent measure of risk tolerance
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besides continuing to tolerate what they have tolerated historically.
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> [!important]
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> Objectionable as it is,
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> it is to be expected that estimators will use all time allowed them
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> when the standards for _acceptability_ are inadequately defined.
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> when the standards for **acceptability** are inadequately defined.
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@@ -10,7 +10,7 @@ daily: "[[2026-01-12]]"
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### CH3 Executed Contract Revision WBS
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[[executed-contract-revisions]]
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for CH3 South Nine and CH3 North Four (fka Crystal House III).
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for "CH3 South Nine and CH3 North Four (fka Crystal House III)".
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For Executed Contract Revisions, Bid GP% must be maintained.
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In this case a negative variance was added to the buyout budget
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@@ -8,10 +8,11 @@ daily: "[[2026-01-14]]"
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---
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# 2026-01-14 13:27:20
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Follow-up to [[2026-01-13_11-28-14#Lighting Control]]
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Follow-up to [[2026-01-13_11-28-14#Lighting Control]].
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Conversation between [[joel-jansen]] and [[christian-pereiro]]
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regarding [[lighting-controls]] for [[2100-crystal-drive]]:
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> [!quote] Conversation between [[joel-jansen]] and [[christian-pereiro]] regarding lighting control for [[2100-crystal-drive]]:
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>
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> **Joel:** "It was sold as local."
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>
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> **Christian:** "Yeah, but you can't do that."
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@@ -0,0 +1,14 @@
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---
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id: 2026-01-20T16:30:00-0500
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title: 2026-01-20 16:30:00
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tags: []
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daily: "[[2026-01-20]]"
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---
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# 2026-01-20 16:30:00
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Quote previously located in [[feeders-takeoff]]
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on the subject of pool bonding takeoff:
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> [!quote] [[joel-jansen]] 2026-01-20T16:30 (pp.)
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> [[josh-ford]] prefers it in electrical, but I'm not concerned.
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> So long as it's named "Pool Bonding" it's fine.
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@@ -10,6 +10,11 @@ daily: "[[2026-02-02]]"
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## Sleeving Takeoff Breakdown Direction
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> [!quote] [[joel-jansen]] 2026-02-02 12:10, while reviewing Howard University East Towers (pp.)
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> Match breakdowns of the relevant system,
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> i.e. don't change breakdowns after taking off
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> the assembly to be sleeved.
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Updated [[sleeving-takeoff#Breakdowns]]
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per clarification with [[joel-jansen]].
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Previous direction below.
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@@ -0,0 +1,14 @@
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---
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id: 2026-05-04T13:30:36-0400
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title: 2026-05-04 13:30:36
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tags: []
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daily: "[[2026-05-04]]"
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---
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# 2026-05-04 13:30:36
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> [!quote] [[joel-jansen]] 2026-05-04 13:30 (pp.)
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> Use 0.5 labor hours for [[fixture-designations|fixtures]] in units.
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>
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> Using 1 hour doesn't make a functional difference
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> because of the [[pdi-labor-plan|labor plan]] Labor Factor adjustment,
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> but those adjustments may look very steep (~30%) with 1 hour each.
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@@ -0,0 +1,22 @@
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---
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id: 2026-05-04T14:57:49-0400
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title: 2026-05-04 14:57:49
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tags: []
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daily: "[[2026-05-04]]"
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---
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# 2026-05-04 14:57:49
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Direction from [[joel-jansen|Joel]]
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## Telecom Homeruns
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[[telecom-takeoff#Corridor Conduit (IDF to Unit MSDE)]]
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It is acceptable to use a weighted average length
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in a "Typical - All Units"
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in lieu of individual takeoffs per floor.
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## Unit Condensing Units
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[[electrical-takeoff#Unit Condensing Units]]
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