Table 2 Key events in the history of trunk main TM-WB. Note that during the flow trials turbidity was often recorded at a high temporal resolution but the flow measured by the meter at the downstream reservoir meter continued to be recorded at 15 min (via SCADA)
Date | Comment | Tds_obs monitoring |
|---|---|---|
2008-08-06 | Trial 0 | Discrete sampling at downstream reservoir sampling tap |
2009-09-27 | Flow trial 1 | ∆t = 10 s; N5 and SR2 sampling tap |
2010-12-07 | Flow trial 2 | ∆t = 900 s |
2010-12-14 | Flow trial 3 | ∆t = 10 s |
2011-01-18 | Flow trial 4 | ∆t = 11 s |
2011-02-01 | Flow trial 5 | ∆t = 10 s |
2011-06-21 | Flow trial 6 | ∆t = 11 s |
2012-03-08 | Permanent turbidity meter commissioned for SR2 inlet | ∆t = 60 s |
2012-03-13 | Permanent turbidity meter connected to telemetry system | ∆t = 900 s via SCADA from that date onwards |
2012,mid-Sept | Main drained down to repair a leak. This permitted the inspection of the internal surface | N/A |