
Water must pass through the complete treatment chain, including during an outage. You are testing where capacity is actually available.
Treatment-works upgradeSelect the feed pumps, filters and UV group. Follow what each one does for the next.
Each process unit occupies a physical site and depends on the surrounding structures and services.

Select a marker to connect the physical work to the estimate.
Brandonrush · CC BY-SA 3.0 · resized; numbered markers added.
Source: https://commons.wikimedia.org/wiki/File:Siloam_Springs_WWTP_003.jpg
Licence: https://creativecommons.org/licenses/by-sa/3.0/

Illustrative scene. Use the lesson figures and records for measurements.
60 MLD installed
40 MLD with one unavailable
40 MLD installed
30 MLD with one unavailable
60 MLD installed
40 MLD with one unavailable
Water passes through every group in sequence. Select a group to inspect its role. MLD means million litres per day.