Illinois Administrative Code
Title 83 - PUBLIC UTILITIES
Part 501 - STANDARDS OF SERVICE FOR GAS UTILITIES AND ALTERNATIVE GAS SUPPLIERS
Subpart B - NATURAL GAS MEASUREMENT REQUIREMENTS
Section 501.170 - Meter Accuracy Requirements
Current through Register Vol. 48, No. 38, September 20, 2024
a) Prior to installing a new, adjusted, refurbished, remanufactured or repaired gas meter, a utility shall ensure that the meter's average accuracy is not more than 1.0 % slow and not more than 1.0% fast. If a utility finds that a meter is more than 1.0% fast or slow, the utility shall repair or retire the meter.
b) When a utility installs a meter, it shall verify the proper operation and settings of all auxiliary and tertiary equipment prior to activating a customer's service.
c) If a utility determines that a meter is in service and is mechanically defective, the utility shall repair or replace the meter.
d) A utility shall test the accuracy of a meter, and verify the proper operation and settings of auxiliary equipment and tertiary equipment, after the utility removes the meter from service.
e) For those metering installations where a utility transfers the auxiliary equipment and tertiary equipment from an existing meter to a replacement meter, the utility shall inspect the auxiliary equipment and tertiary equipment to verify proper operation within 60 days after the meter exchange.