Which of the following is NOT a way to demonstrate experience for Installer 2?

Demonstrating experience for Installer 2 certification typically revolves around hands-on, practical knowledge gained through direct involvement in sewage facility installations. Options A and B provide valid pathways to demonstrate relevant experience, both of which involve a specific timeframe and completed installations directly linked to the installation process.

Having experience as a designer, while valuable in the broader context of sewage facility operations, does not equate to the practical, hands-on installation experience that is crucial for Installer 2. Installer responsibilities center on executing installations, troubleshooting, and ensuring compliance with regulations, which cannot be fully grasped through design work alone. Therefore, while a designer may have important insights about the system's planning and functionality, this role does not contribute to the practical installation experience required for Installer 2 certification.

On the other hand, the statement regarding the lack of previous experience needed is misleading in the context of progression to Installer 2, as there is generally a requirement to have demonstrable experience prior to advancing in certification levels.