34 lines
1.3 KiB
Markdown
34 lines
1.3 KiB
Markdown
---
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id: 2026-03-29T16:01:12-04:00
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aliases: []
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title: 2026-03-29 16:01:12
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tags:
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- destiny/permanent
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- status/draft
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- type/periodic/timestamped
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dg-publish: true
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date-created: 2026-03-29T16:01:12-04:00
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daily: "[[2026-03-29]]"
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weekly: "[[2026-W13]]"
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monthly: "[[2026-03]]"
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quarterly: "[[2026-Q1]]"
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yearly: "[[2026]]"
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---
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# 2026-03-29 16:01:12
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## AACE Estimate Classification
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[Association for the Advancement of Cost Engineering (AACE)](https://web.aacei.org/)
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AACE International Recommended Practice No. 18R-97
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| Estimate Class | Expected Accuracy (Low) | Expected Accuracy (High) |
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| --------------------------------------------- | -----------------------:| ------------------------:|
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| Class 5 --- Concept Screening | -20% to -50% | +30% to +100% |
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| Class 4 --- Study or Feasibility | -15% to -30% | +20% to +50% |
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| Class 3 --- Budget, Authorization, or Control | -10% to -20% | +10% to +30% |
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| Class 2 --- Control or Bid/Tender | -5% to -15% | +5% to +20% |
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| Class 1 --- Check Estimate or Bid/Tender | -3% to -10% | +3% to +15% |
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