ML20136C656
| ML20136C656 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/28/1977 |
| From: | METROPOLITAN EDISON CO. |
| To: | |
| References | |
| PROC-770628, TM-0925, TM-925, NUDOCS 7910010464 | |
| Download: ML20136C656 (1) | |
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f) hff$ i i' TMI UNIT 2 Revision 0 4 06/28/77 i l ALAFN: 1') 3018.C5 R.C. Drain Tank Press Hi/Lo SET POINTS: i 125 psig / 2 psig (WDL-PS-1203-1, WDL-PS-1203-3) ~ CAUSES: ) 1. Vent line valves are closed while filling the drain tank. P :'.!l '. 2. A pressurizer relief valve lifts. m p.^? '{ hi i :Os 'd I 3. The nitrogen supp1'y pressure is high. , LL vus CONI-nd:' q' o0.M c c,LsF COPY AUTOMATIC ACTION: 3 1. None at setpoints. ,) 2. However, WDL-V1095 closes at 10 psig and opens at 6 psig. OBSEtVATIONS (PANEL 3018): 1. Observe Drain Tank Pressure indicator WDL-PI-1202, 2. Observe Drain Tank Level indicator WDL-LI-1207. 3. Observe Leakage Coolers Outlet Temperature indicator WDL-TI-7102. 4. Observe Drain Tank Temperature indicator WDL-TI-1200. MANU.ll ACTION RE0VIRED: l 1. Adjust nitrogen supply pressure if rAquired. 2. Adjust discharge flow with WDL-V1118, if required. 3. Check the valve line-up to insure correct line-up is being used. 4. Increase cooling by starting a second transfer pump and leakage cooler, if required. -5. Observe thermocouples WDL-TE-7113 through 7166 which are inputs to YM-TR-7167 for indication of change. s 1 A + s _7_ .m_, ... w s ,. 7.m y- ~
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