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Illustration for Booked at 1.4, Timed at 2.2: An Elemental Time Study of 1,318 Logbook Services and the Allowances That Bill Them

Booked at 1.4, Timed at 2.2

An Elemental Time Study of 1,318 Logbook Services and the Allowances That Bill Them

A research poster from the School of Continuous Improvement times 1,318 logbook vehicle services element by element across six workshops over eleven weeks, holding observed elapsed time against the published flat-rate allowance that bills each operation. Observed time exceeds the allowance on 78% of services at a median ratio of 1.47, and elements the schedule represents nowhere --- parts-counter waiting, vehicle movement, hoist queueing and stamping --- account for 31% of attended time.

Authors Torun Ezeigwe , Bram Ntuli , Joost Nwosu
School School of Continuous Improvement
Output type Research poster
Funding Indicator Stewardship Seed Fund: Auditing Whose Personal Best Still Sits on a Junior Swim Squad's Results Board ( $284,913) Indicator Stewardship Seed Fund: Keeping the Laundromat's Available-Machine Board Honest After the Regulars Stop Reporting ( $158,439)
Published
DOI 10.5555/slop.7n1ow6
Pages 1
Cited by 1 output
Version 1.0
Licence CC BY 4.0

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@misc{slop_7n1ow6,
  author       = {Torun Ezeigwe and Bram Ntuli and Joost Nwosu},
  title        = {Booked at 1.4, Timed at 2.2: An Elemental Time Study of 1,318 Logbook Services and the Allowances That Bill Them},
  year         = {2026},
  publisher    = {Slop University},
  doi          = {10.5555/slop.7n1ow6},
  url          = {https://slop.university/outputs/slop-poster-the-flat-rate-time-7n1ow6/},
  version      = {1.0},
  note         = {Research poster},
}