diff --git a/blog/2025-07-18_estimating-isnt-engineering.md b/blog/2025-07-18_estimating-isnt-engineering.md new file mode 100644 index 0000000..8065c06 --- /dev/null +++ b/blog/2025-07-18_estimating-isnt-engineering.md @@ -0,0 +1,22 @@ +--- +id: 2025-07-18_estimating-isnt-engineering +aliases: [] +tags: [] +--- +# Estimating Isn't Engineering + +A peer recently expressed frustration to me +about the declining quality of construction drawings, +specifically how scope is often ~~required but not detailed~~. + +%% +TODO: discussion based on the difference between engineering, +(which requires knowledge of subject matter) +and estimation +(which requires knowledge of ~~impact~~). +%% + +It's not engineering to budget for the most likely case. + +Estimators need not know _why_ there tends to be ~~example~~, +they need need only have basis for applying that generalization to another project. diff --git a/new-additions/automation/project-info.md b/new-additions/automation/project-info.md index e23016a..b83b4d7 100644 --- a/new-additions/automation/project-info.md +++ b/new-additions/automation/project-info.md @@ -4,7 +4,10 @@ Standardize formatting and input methods for common (mostly multi-family specific) project info, including: -* level names +* levels by elevation +* unit types + * info + * by level * area types by level * switchgear by level * feeders @@ -13,5 +16,9 @@ project info, including: To calculate regular quantities -* sleeving -* conductor support +* by feeder routing + * sleeving + * conductor support +* by area + * temp power + diff --git a/new-additions/takeoff/electrical.md b/new-additions/takeoff/electrical.md new file mode 100644 index 0000000..850db25 --- /dev/null +++ b/new-additions/takeoff/electrical.md @@ -0,0 +1,62 @@ +# Final SOE + +## 1. Trash Chute + +- Check elevations for floor height +- Uncheck Link 'Enable Livecount' +- CA.33(Misc. Ass.). 2 +- 100' Horizontal (If not shown) +- Vertical Put in Typical + +- Check Bottom of chute if taken off already in elec. THIS IS ONLY FOR THE HORIZONTAL + +## 2. CU/IP + +- Units Condensing Unit +- Mechanical Connection + +## 3. Slab Deck + +- Create Area Typical for every Concrete slab floor +- ID.37.16.1 +- ID. MISC PDI PRODUCT. MISC MATERIAL. SLAB/DECK +- 2 Typicals + +- 'All Building' + +- 1 every level (Not Roof) + +- HD 1 Per Section + +- 'All Garage' + +- 1 every level + +## 4. Temporary Power & Lighting + +``` +Area = "" +``` + +- ID.27. + - 3/4/5 (A-bid>>) + - 8/9 + - Total GSF - Garage GSF = Building Size + - Garage SF = Temp lighting Garage + - Enter in count + +Gardens: Take off 1 Tpole `ID.28.1` per 150' per building + +TEMP LIGHTING ^^^^ + +## 5. Irrigation pumps + +- SYSTEM: `MISC - Site Miscellaneous` + +- (3) 3Phase 30A 200' Mech. Con. +- Append to name: "Irrigation Pump - " + +## 6. Lightning Protection + +- Check line Item on Proposal +- Go to the notes and take off \ No newline at end of file diff --git a/new-additions/takeoff/scratch.md b/new-additions/takeoff/scratch.md new file mode 100644 index 0000000..d53fd81 --- /dev/null +++ b/new-additions/takeoff/scratch.md @@ -0,0 +1,11 @@ +# PDI Takeoff Scratch + +Notes taken in review with Joel. + +%% TODO: Split to more appropriate notes and delete this one. %% + +* Use 15ft adders for site runs + (primaries, secondaries, etc.), + as opposed to standard 10ft adder, + to account for variability. + diff --git a/new-additions/the-failure-of-risk-management.md b/new-additions/the-failure-of-risk-management.md index be93bf1..a7a7d91 100644 --- a/new-additions/the-failure-of-risk-management.md +++ b/new-additions/the-failure-of-risk-management.md @@ -64,6 +64,15 @@ He later refers to the tendency to overvalue competence in the role of achieving improbable accomplishments as the "Red Baron effect". +### There's Always Enough Data + +Hubbard challenges the popular rebuttal +that X industry lacks the data to use quantitative models. + +> [!quote] Fallacy of Close Analogy - p.236 +> ...the belief that unless two things are identical in every way, +> nothing learned from one can be applied to the other. + ## Mentioned Topics and Abbreviations * Analytic Hierarchy Process (AHP)