We have been questioned by our Resident as to the timeliness of issuing the Core Operating Limits Report (COLR). We issue it after we approve our Reload Safety Evaluation report. Sometimes this is done before the refueling outage starts, other times it is just prior to core reload. Other than having it in place when the new core is loaded, we do not have any requirements on a lead-time. When we issue the COLR to the Plant we also issue it to Licensing and they do the formal transmittal to the NRC.

1. When does your organization issue the COLR to the Plant (e.g., as needed, before the start of the outage, 3 months prior to the outage) ?
2. How long after issuance to the Plant is the COLR sent to the NRC?
3. What organization prepares and issues the COLR (e.g. core design, safety analysis, licensing, etc.)?

Thank you in advance for your responses.

Duane Gore

Supervisor, Reactor Engineering

STPNOC

(361) 972-8909