Acoustic Leak Report: ALR-2026-78410
Back to List1. Utility & Contract Details
Water Company:
United Utilities
DMA Code:
PRISTON_DMA_04
Contract Ref:
UU-NW-2026-CL12
Technician:
Arthur Pendelton (WAT-LEAK-99281)
Standard:
UKWIR / OFWAT Common Leakage Methodology (CLM)
2. Site & Network Identification
Street Location:
Sharoe Green Lane, Fulwood, Preston
Postcode:
PR2 9NZ
W3W / Grid Ref:
///plates.volt.shrimps
Pipe Material / Dia:
MDPE, 180 mm
Pressure:
4.8 bar
Boundary Fittings:
Up: HYD-5542-SG | Down: SV-5543-SG
3. Acoustic Survey Findings & Analysis
Leak Detected:
Yes
Est. Position:
58.4 meters
Coherence Level:
94%
Peak Frequency:
485 Hz
Est. Leak Rate:
450 Liters/Hour
Recommended Action:
Immediate Excavation and Repair
Analyst Notes:
Clean correlation peak centered at 58.4m from upstream hydrant HYD-5542-SG. Distinct hiss frequency characteristic of a split MDPE ferrule or small pinhole fracture.
4. Evidence Photos
Sensor Deployment Location A
Geo: 53.7842° N, 2.6841° W
Surface Ground Marking / Pinpoint Spray
Geo: 53.7842° N, 2.6841° W5. Regulatory Sign-Off
Surveyor: Arthur Pendelton
Status: Submitted for Repair Crew Dispatch