![Design Calculation Sheet for Zee Purlins 1 Design Calculation Sheet for Zee Purlins](https://excel.civilmdc.com/wp-content/uploads/2021/12/Design-Calculation-Sheet-for-Zee-Purlins.png)
The Civil Web Z Purlin Design Spreadsheet is an intuitive and powerful spreadsheet for the design of Z purlins. The spreadsheet includes two separate spreadsheets for the design of standard sized Z purlins and Z purlins of any dimensions. The spreadsheet completes all the calculations required under BS 5950-5 instantly, and includes unique design analysis features allowing the designer to complete an optimised Z purlin design in minutes