INSPECTION AND MAINTENANCE

Subpart 1. Required checks. A licensee must perform inspection and maintenance checks that include, as a minimum, each of the following at the frequency specified in the license or license application: A. operability of each aspect of the access control system required under part 4731.6060 ; B. functioning of the source position indicator required under part 4731.6100 , item C; C. operability of the radiation monitor for radioactive contamination in pool water required under part 4731.6200 , subpart 2, using a radiation check source, if applicable; D. operability of the over-the-pool radiation monitor at underwater irradiators as required under part 4731.6090 , subpart 2; E. operability of the product exit monitor required under part 4731.6090 , subpart 1; F. operability of the emergency source return control required under part 4731.6100 , item D; G. leak-tightness of systems through which pool water circulates, by visual inspection; H. operability of the heat and smoke detectors and extinguisher system required under part 4731.6080 , but without turning extinguishers on; I. operability of the means of pool water replenishment required under part 4731.6110 , item D; J. operability of the indicators of high and low pool water levels required under part 4731.6110 , item E; K. operability of the intrusion alarm required under part 4731.6060 , subpart 2, if applicable; L. functioning and wear of the system, mechanisms, and cables used to raise and lower sources; M. condition of the barrier to prevent products from hitting the sources or source mechanism as required under part 4731.6120 ; N. amount of water added to the pool to determine if the pool is leaking; O. electrical wiring on required safety systems for radiation damage; and P. pool water conductivity measurements and analysis as required under part 4731.6220 , item B. Subp. 2. Repair. Malfunctions and defects found during inspection and maintenance checks must be repaired without undue delay.