vault backup: 2026-05-21 16:33:00

2026-05-21 16:33:00 -04:00
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+---
+id: 2026-05-21T08:12:01-0400
+title: 2026-05-21 08:12:01
+tags:
+  - topic/estimating
+daily: "[[2026-05-21]]"
+---
+# 2026-05-21 08:12:01
+
+While working on [[303-mariposa-residence]],
+after spending hours working on lighting control,
+[[jared-defanti]] and I found a set of keynotes
+that totally changed our assumptions for takeoff,
+requiring that we change several designations.
+He asked if this was a common occurrence,
+I replied that he should expect it to happen
+a couple dozen times per project.
+I've said often that I'm obsessive in my takeoff
+with the expectation that I will need to change most takeoffs,
+but I only realized then
+that I am not expecting a revision to the RFP documents,
+but that my understanding of the requirements will change
+as I make new discoveries in takeoff.
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+---
+id: 2026-05-21T12:29:53-0400
+title: 2026-05-21 12:29:53
+tags: []
+daily: "[[2026-05-21]]"
+---
+# 2026-05-21 12:29:53
+
+## Labor Productivity Factor Given Effective Temperature and Relative Humidity
+
+Data from [[awad_2004_temperature]]
+
+|  °F |  20% |  30% |  40% |  50% |  60% |  70% |  80% |  90% |
+| ---:| ----:| ----:| ----:| ----:| ----:| ----:| ----:| ----:|
+| 110 | 0.61 | 0.62 | 0.63 | 0.60 | 0.57 | 0.50 | 0.15 | 0.00 |
+| 100 | 0.82 | 0.83 | 0.84 | 0.82 | 0.80 | 0.76 | 0.68 | 0.57 |
+|  90 | 0.93 | 0.93 | 0.94 | 0.94 | 0.93 | 0.90 | 0.87 | 0.84 |
+|  80 | 0.99 | 0.99 | 0.99 | 0.99 | 0.98 | 0.97 | 0.95 | 0.93 |
+|  70 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.99 | 0.98 | 0.96 |
+|  60 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.98 |
+|  50 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.98 |
+|  40 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.99 | 0.98 | 0.96 |
+|  30 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | 0.95 | 0.93 |
+|  20 | 0.94 | 0.94 | 0.94 | 0.94 | 0.94 | 0.93 | 0.91 | 0.89 |
+|  10 | 0.88 | 0.88 | 0.88 | 0.88 | 0.87 | 0.86 | 0.84 | 0.82 |
+|   0 | 0.78 | 0.78 | 0.78 | 0.77 | 0.76 | 0.75 | 0.73 | 0.71 |
+| -10 | 0.62 | 0.62 | 0.62 | 0.61 | 0.60 | 0.59 | 0.57 | 0.55 |
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+---
+id: 2026-05-21T16:18:20-0400
+title: 2026-05-21 16:18:20
+tags:
+  - topic/estimating
+  - occupational
+daily: "[[2026-05-21]]"
+---
+# 2026-05-21 16:18:20
+
+Below is a plot of [[pdi-estimating]] error for every estimate stage.
+The data is not ideal, being sourced from the default bid sheet data.
+The majority have baseline dates in 2020 to 2022.
+
+![[pdi-estimating-error-kde.png]]