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Current SituationRadial gate position encoders are
45 years old and failing at a high rate.
Servicing the gate encoders put personnel at risk
Operators dispatched on site to manually adjust the gates when encoders fail.
Risk avoidance – Possible damage to canal linings caused by erroneous gate position indications.
California Aqueduct radial gates regulate flow.The instruments that read gate positions are
critical to the safe operation of the aqueduct
California Aqueduct encoders are attached to the gate trunnion arm by mechanical linkage
Servicing the gate encoders put personnel at risk
The high failure rates of the 45-year-old encoders were generating an increasing amount of trouble
calls.
Accurate Measurement Systems provided asolution to the safety issue by placing the gate
position encoder in a much safer location on the gate spool transmission at Check 56.
Gate encoder replacement would yield another 25+ years of reliable aqueduct gate operation
Benefits SummaryPayback return on investment in 6 years.
Reduced Technician repair time.
Eliminate the need for manual gate
operation during gate failures.
Safety risks eliminated for encoder calibration.
Increased aqueduct system reliability.