●Week 25 — 15 to 21 June 2026
11 scheduled activities · intervals driven by 49 CFR 192.465, NACE SP0207/SP0502 and EN ISO 18086Mon15
07:30
DCVG survey — Z-01 KP 8.0–16.4
ECDA indirect inspection
15:00
Rectifier check — TR-01, TR-04
Output, tap position, hours run
Tue16
09:00
CP performance meeting
KPI pack, overdue actions, budget
13:00
DCVG data reduction
%IR calculation, defect classification
Wed17
08:00
AC interference monitoring — Z-05
Coupon current density at HV crossing
14:30
Anomaly prioritisation
Rank digs by %IR against CP potential
Thu18
06:00
Excavation window — KP 12.4
Expose, clean, assess coating condition
11:00
Direct examination — KP 12.4
Pit depth, wall loss, photographic record
Fri19
07:00
Recoat & backfill — KP 12.4
Apply repair coating, holiday-test, backfill
14:00
Rectifier commissioning — TR-14
New TR unit, set output, verify drain
Sat20
05:30
Depolarisation test — Z-02
4 h decay after interruption, 100 mV check
Sun21
No scheduled activity
Rectifier check CIPS survey Test-post survey DCVG survey AC monitoring Depolarisation Excavation Verification Review Meeting
The week reads as one closed loop: survey (Mon) → classify (Tue–Wed) → excavate and repair (Thu–Fri) → verify by depolarisation (Sat). Rectifier checks sit on their own 2-month clock and cannot slip.