ENGINEERING TOOLS · FREE TO USE

Downloads.

Working engineering and commercial models, built in-house and shared as used.

EXCEL WORKBOOKS · OPEN WITH MACROS ENABLED WHERE MARKED .XLSM / .XLSB

VISIT THE STORE FEE ESTIMATOR & NEC4 BUILDER LICENCE

Files are served directly up to 102.4 MB. Anything larger is listed here but sent another way — get in touch and it will be arranged.

Part 01 — Base model

The Inputs and Revenue sheets. Annual output, price, design life, discount rate, O&M and CAPEX, driving a fifteen-year payback table.

AES-INTERACTIVE-CURRENCY-REV01.xlsx · 38 KB
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Part 02 — Live currency switch

Adds the external currency list through Power Query and the conditional-formatting engine that swaps the currency symbol across the model. No macro required.

AES-INTERACTIVE-CURRENCY-REV02.xlsx · 68 KB
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Part 03 — Macro workbook

The finished build with the VB macro that auto-expands and contracts the cash-flow table to match the design life. Macro-enabled.

AES-INTERACTIVE-CURRENCY-REV03.xlsm · 87 KB
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Part 03 — Macro-free copy

The same Part 03 model as a plain workbook, for paste-your-own-code along with the supplied module and worksheet event.

AES-INTERACTIVE-CURRENCY-REV03.xlsx · 71 KB
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VB - Part 03 — VB macro source

Both code blocks for Part 03 as plain text: the Worksheet_Change event for the Inputs sheet and the modRevenue standard module. Paste them into the macro-free workbook to build the auto-resizing cash-flow table yourself.

REV03_VBA_modules.txt · 7 KB
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Fee Estimating Model (v4.0)

Full fee-estimating workbook — builds scope, resource hours and rates into a transparent, defensible commercial fee.

AES-FEE-ESTIMATING-MODEL-2026-v4.xlsb · 4.1 MB
DOWNLOAD ↓COMPANY LICENCE £50.00

Pile Capacity Calculator

Axial geotechnical pile capacity tool — shaft and base resistance with code-based checks, sized from 50m marine piling work.

AES-PILE-CAPACITY-2026.xlsb · 375 KB
DOWNLOAD ↓COMPANY LICENCE £50.00

AES MD Viewer — Setup

Installer for the AES Markdown Viewer — a lightweight desktop application for viewing and navigating Markdown documents, styled to match this site. Version 1.0.0, Windows 64-bit. The installer is unsigned, so Windows SmartScreen may ask you to confirm: choose More info, then Run anyway.

AES-MD-Viewer-Setup_1_0_0.exe · 80.6 MB
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Files download from this site. Open in Microsoft Excel; enable macros for .xlsm and .xlsb workbooks.

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