ML20052H101
| ML20052H101 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 05/12/1982 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20052H097 | List: |
| References | |
| NUDOCS 8205190379 | |
| Download: ML20052H101 (3) | |
Text
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SUTNEILLASCE REQUIREMENTS 4.4 REACTOR COOLANT SYSTEM REACTOR COOLANT LOOPS 4.4.1 Verify that surveillance of the Reactor Coolant System is being perforced in accordance with procedures approved pursuant to Technical Specification 6.8.2.
SAFETY VALVES _
4.4.3 Not applicable.
4.4.9 FRESSURE/ TEMPERATURE LIMITS REACTOR COOLANT SYSTEM
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4.4.9.1.1 The Reactor Coolant Sytem pressure and te=perature shall be determined to be within the limits at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
4.4.9.1.2 Delete'd.
'4.4.9.1.3 Deleted.
4.4.9.1.4 The pH of the reactor coolant shall be deter =ined to b'e greater
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than or equal to 7.5 at least once per 7_ days.
4.4.9.1.4 The Chloride concentration in the reactor coolant shall.be determined to be less than or equal to 5 ppm at least once per 7 days.
820519 0377 THP.EE MILE ISLAND - UNIT 2 4.4-1 Change No. 12
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3/4.4 REACTOR COOLANT SYSTEM BASES 3/4.4.1 RE/ CTOR-COOLANT LOOPS Several alternative methods are available for removal of reactor decay These methods include use of the Mini Decay Heat Removal System, the heat.
" Loss to Ambient" cooling mode, and operation of the Reactor Coolant System in tne natural circulation mode'with heat rejection via the long term "8" steam Any one of these cooling methods provides adequate generator cooling mode.
cooling of the reactor and each method is available for decay heat removal.
Procedures have been prepared and approved for use of these various cooling
' methods.
3/4.4.3 SAFETY VALVES The pressurizer code safety valves operate to prevent the RCS from being Each safety valve is designed pressurized above its Safety Limit of 2750 psig.
to relieve 348,072 lbs per hour of saturated steam 'a.t the valve's setpoint.
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3/4.4.9 PRESSURE / TEMPERATURE LIMIT The RCS pres.sure and temperature will be controlled in ace'ordance with approved procedures to prevent a nonductile failure of the RCS while' at the same time permitting the RCS pressure to be raintained at a suf ficiently high value to permit operation of the reactor coolant pumps.
Reactor coolant chemistry surveillance requirements are included in the Recovery Operations Plan. These requirements provide assurance that localized '
l corrosion or pitting in crevice areas, which could tend to promote stress corrosicn cracking in heat affected zones of welds in stainless steel piping
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or comoonents, will not occur.
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