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Sewers2 Version Numbers

With the release of Sewers2 we are using a version numbering scheme that reflects the date of the version: YYYY.MM.DD So a version of 2020.03.22 means the program was compiled on 22 March 2020.

Serial Numbers

Serial Numbers are 8 digit numbers built up from the creation date of the design and a tie breaker. The first two digits are the year, the following two the month, then the day, and then a two digit tie breaker where the first design of the day is 01:


Example: 20022603 = 3rd design for 2020 Feb 26

You might also notice an additional serial number on the side of the file record. This alternate serial number is a year plus sequential number. We add this extra serial number to make filing your records easier.


Example: 20-0034 = 34th design for 2020

Client Codes

Client codes are used to make client information independent from the design. That way the same client can be used on many systems. The client code is an 8 character string. The first four characters are the first four letters of the client's last name. The last four characters are a four digit tie breaker. Client codes are generated automatically when you add a new client.

Directory Structure

All of your Sewers data is saved in one place. By default your data is stored in the “Sewers_Data” folder in your documents folder, but it might be stored in another location if your documents folder is not writable. You can store the “Sewers_Data” folder anywhere that your permissions setting will allow you to write. To find where you data is stored click “About…” in the “Help” menu.

Sewers_Data“ has the following structure:

  • Sewers_Data
    • db - the main database where the systems you design are stored
    • personas - contains one folder for each persona
    • plotlans - copies of each plot plan you have created
    • DesignArchive - PDF's of each of the designs you have printed or saved as PDF's.