|Electrical Systems - Essential Electric System Maintenance and Testing|
The generator or other alternate power source and associated equipment is capable of supplying service within 10 seconds. If the 10-second criterion is not met during the monthly test, a process shall be provided to annually confirm this capability for the life safety and critical branches. Maintenance and testing of the generator and transfer switches are performed in accordance with NFPA 110.
Generator sets are inspected weekly, exercised under load 30 minutes 12 times a year in 20-40 day intervals, and exercised once every 36 months for 4 continuous hours. Scheduled test under load conditions include a complete simulated cold start and automatic or manual transfer of all EES loads, and are conducted by competent personnel. Maintenance and testing of stored energy power sources (Type 3 EES) are in accordance with NFPA 111. Main and feeder circuit breakers are inspected annually, and a program for periodically exercising the components is established according to manufacturer requirements. Written records of maintenance and testing are maintained and readily available. EES electrical panels and circuits are marked, readily identifiable, and separate from normal power circuits. Minimizing the possibility of damage of the emergency power source is a design consideration for new installations.
6.4.4, 6.5.4, 6.6.4 (NFPA 99), NFPA 110, NFPA 111, 700.10 (NFPA 70)
Name: 'A' BLDG - Component: 01 - Tag: 0918
Based on observation and interview, it was determined the facility failed to provide an emergency shut off, for the generator, affecting three of three floors within the component.
1. Observation on January 23, 2020, at 1:10 PM revealed the generator lacked a remote manual stop station.
Interview with the Director of Plant Operations on January 23, 2020, at 1:10 PM confirmed the lack of a manual emergency shut off.
| ||Plan of Correction - To be completed: 02/28/2020|
Director of Plant Operations contacted Cummins Generator service which services and provides preventative maintenance and repairs to discuss putting an emergency shut off switch on the exterior of the generator. They informed me that they could ship out the part but that I would need an electrician to perform the wiring work. The switch has been ordered as of January 31, 2020 with an estimated arrival date of February 4, 2020. Tommy's Electric service was contacted and will be on site February 3rd, 2020 to provide estimate for work needed. We are awaiting the consultation on February 3, 2020 from the electrician and the shut off part from Cummins Sales and Service.