CONSTRUCTION COST CONTROL - COMPANION FILES
julianrsterling.com/costcontrol

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Revised 24 September 2026.

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WHAT IS IN THE ARCHIVE

1. The book's four workbooks, corrected where they were wrong
   The_Bridge.xlsx                    Chapters 1 to 11
   The_Appraisal.xlsx                 Chapters 12 and 13
   Sensitivities.xlsx                 Chapter 14
   Before_Signature.xlsx              Chapter 15 and Appendix B
   00_START_HERE.md                   what changed is at the end
   253 checks across the four, all PASS.

2. Blank_Model_Set/  (new)
   The four workbooks with every input emptied, for your own scheme. Each
   checks sheet counts what is still missing and tests what holds for any
   inputs. The book's figures are in book_inputs.txt: type them back in and
   the book's results come back.

3. Working_Documents.pdf  (new)
   Thirteen printable pages: the contract sum taken apart, the bridge in three
   columns, design completeness and its exposure, the provisional sums
   schedule, the change register, what a week costs, disruption records,
   statutory change and escalation, credits and the notice calendar, two
   procurement routes in one board paper, the headroom page, the ranking and
   eight errors, and before, thirty, sixty, ninety. A4, fits Letter.

4. Forty_Questions.xlsx  (new)
   Forty questions across the book, marked by the file as you type.

5. Cases/  (new)
   Case_1_The_Rate_Premium_That_Erases_The_Saving.xlsx   Chapter 11
   Case_2_Damages_As_A_Pre_Estimate.xlsx                 Chapter 10
   Case_3_What_Case_B_Costs_To_Buy.xlsx                  Chapter 11 and Appendix A
   Each case: the note on the first sheet, the model after it, checks at the end.

The files open in Excel, LibreOffice Calc, Google Sheets and Numbers. No macros.
