The downtown
area of Sausalito, California is very busy with foot traffic,
automobiles, restaurants, shops, and hotels from 6 AM until
after
midnight every day. Leak surveying and leak pinpointing for Marin
Municipal Water District are almost impossible during these times.
Solution:
Use ZCorr
Digital Correlating Loggers to do an “overnight survey
and pinpointing” on the main valves and hydrant valves along
Bridgeway Avenue to detect any leaks.
Result:
ZCorr found
a small leak (cut in top of pipe?) that was totally unknown on
Broadway close to Princess Street.
Photos:
Many Correlations!
One Leak
or Several?
One Logger
is Much Louder
than Others
Leak
Area
is Between
Z4 and Z6
MMWD
digs up the leak location
Small
leak in top of the 6 inch cast iron main
MMWD’s
repair crew tightening the repair clamp to stop the leak