ML20064E976

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Proposed Tech Specs Revising Repair Criteria Contained in OTSG Tube Surveillance
ML20064E976
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 03/04/1994
From:
FLORIDA POWER CORP.
To:
Shared Package
ML20064E908 List:
References
NUDOCS 9403150108
Download: ML20064E976 (5)
v • d • e


Text

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Procedures, Programs and Manuals 5.6 5.6 Procedures, Programs and Manuals 5.6.2.10 OTSG Tube Surveillance Program (continued)

4. Acceptance criteria:
a. Vocabulary as used in this Specification:
1. Tubing or Tube means that portion of the tube or sleeve which forms the primary system to secondary system pressure boundary.
2. Imperfection means an exception to the dimensions, finish or contour of a tube from that required by fabrication drawings or specifications. Eddy-current testing indications with signal to noise ratio > 5:1 and < 20% of the nominal tube wall thickness, if detectable, may be considered as imperfections. Indications with signal to noise ratio s 5:1 and voltage amplitude 12 volts will also be considered imperfections.
3. Degradation means a service-induced cracking, wastage, wear, or general corrosion occurring on either inside or outside of a-tube.
4. Degraded Tube means a tube containing imperfections 2 20% of the nominal wall thickness if signal to noise ratio > 5:1 or indications with signal to noise ratio 15:1, voltage amplitude > 2 volts, with axial extent of < 0.25 inch, and circumferential extent of < 120; caused by degradation except where all such degradation has been spanned by the installation of a sleeve.
5.  % Degradation means the percentage of the tube wall thickness affected or removed by degradation.
6. Defect means an imperfection of such severity that it exceeds the repair limit except where the I imperfection has been spanned by the-installation of a sleeve. A tube containing a defect in its pressure boundary is defective. Any tube which does not permit the passage of the eddy-current inspection probe shall be deemed a defective tube.

(continued)

Crystal River Unit 3 5.0-16 Amendment No.

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940315olos 94o3o4 PDR ADDCK 05000302 P PDR "

Procedures, Programs and Manuals 5.6 5.6 Procedures, Programs and Manuals 5.6.2.10 OTSG Tube Surveillance Program (continued)

7. Repair Limit means the imperfection at or beyond which the tube shall be restored to serviceability by the installation of a sleeve or removed from service because it may become unserviceable prior to the next inspection. The repair limit for eddy current indications with signal to noise ratios >

5:1 is equal to 40% of the nominal tube wall thickness. 'The repair limit for eddy current indications with signal to noise ratios s 5:1 is a bobbin coil signal amplitude of > 2 volts, and axial extent > 0.25 inches or circumferential extent > 120 No more than five thousand sleeves my be installed in each OTSG.

8. Unserviceable describes the condition of a tube if
9. Tube Inspection means an inspection of the entire OTSG tube as far as possible.
b. The OTSG shall be determined OPERABLE after completing the corresponding actions (plug or sleeve all tubes exceeding the plugging / sleeving limit and all tubes containing through-wall cracks) required by Table 5.6.2-2 (and Table 5.6.2-3 if the provisions of Specification 5.6.2.10.2.d are utilized). Defective tubes may be repaired in accordance with the B&W process (or method) equivalent to the method described I in report BAW-2120P. l 5.6.2.11 Secondary Water Chemistry Program This program provides controls for manitoring secondary water ,

chemistry to inhibit steam generator tube degradation and low l pressure turbine disc stress corrosion cracking. The program j shall include:

a. Identification of a sampling schedule for the critical variables and control points for these variables, 1

(continued)

Crystal River Unit 3 5.0-17 Amendment No.

Procedures, Programs and Manuals

  • 5.6 5.6 Procedures, Programs and Manuals i

5.6.2.11 Secondary Water Chemistry Program (continued)

b. Identification of the procedures used to measure the values of the critical variables;
c. Identification of process sampling points, which shall include monitoring the discharge of the condensate pumps for evidence of condenser in leakage;
d. Procedures for the recording and management of data;
e. Procedures defining corrective actions for all off control point chemistry conditions; and l
f. A procedure identifying the authority responsible for the interpretation of the data and the sequence and timing of administrative events, which is required to initiate corrective action.

5.6.2.12 Ventilation Filter Testing Program (VFTP)

A program shall be established to implement the following required testing of the Control Room Emergency Ventilation System (CREVS) per the requirements specified in Regulatory Guide 1.52, Revision 2, 1978, and in accordance with ASME N510-1975 and ASME N509-1976.

a. Demonstrate for each train of the CREVS that an inplace test of the high efficiency particulate air (HEPA) filters shows  ;

a penetration and system bypass < 0.05% when tested in i accordance with Regulatory Guide 1.52, Revision 2, 1978, and .

I in accordance with ASME N510-1975 at a flowrate of 43,500 cfm i 10%. j

b. Demonstrate for each train of the CREVS that an inplace test of the charcoal adsorber shows a penetration and system bypass < 0.05% when tested in accordance with Regulatory Guide 1.52, Revision 2, and ASME N510-1989 at the system flowrate of 43,500 cfm i 10L (continued)

Crystal River Unit 3 5.0-18 Amendment No.

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e Procedures, Programs and Manuals 5.6 5.6 Procedures, Programs and Manuals ,

5.6.2.12 VFTP (continued)

c. Demonstrate for each train of the CREVS that a laboratory test of a sample of the charcoal adsorber, when obtained as described in Regulatory Guide 1.52, Revision 2,1978, shows the methyl iodide penetration less than 1% when tested in accordance with Table 2 of Regulatory Guide 1.52, Revision 2 and ASME N509-1976 at a temperature of 80aC and 70% relative humidity.
d. Demonstrate for each train of the CREVS that the pressure drop across the combined HEPA filters and the charcoal adsorbers is 1 AP-6" water when tested in accordance with Regulatory Guide 1.52, Revision 2,1978, and ASME N510-1975 at the system flowrate of 43,500 cfm i 10%.

The provisions of SR 3.0.2 and SR 3.0.3 are applicable to the VFTP test frequencies.

5.6.2.13 Explosive Gas and Storage Tank Radioactivity Monitoring Program This program provides controls for potentially explosive gas mixtures contained in the Radioactive Waste Disposal (WD) System, the quantity of radioactivity contained in gas storage tanks or fed into the offgas treatment system. The gaseous radioactivity quantities shall be determined following the methodology in Branch Technical Position (BTP) ETSB 11-5, " Postulated Radioactive Release due to Waste Gas System Leak or Failure". The-liquid radwaste quantities shall be determined in accordance with Standard Review Plan, Section 15.7.3, " Postulated Radioactive Release due to Tank Failures".

The program shall include:

a. The limits for concentrations of hydrogen and oxygen in the Radioactive Waste Disposal (WD) System and a surveillance program to ensure the limits are maintained. Such limits shall be appropriate to the system's design criteria, (i.e.,

whether or not the system is designed to withstand a hydrogen explosion),

i l

l (continued) l 1

Crystal River Unit 3 5.0-19 Amendment No.

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Procedures, Programs and Manuals

'- 5.6 5.6 Procedures, Programs and Manuals 5.6.2.13 Explosive Gas and Storage Tank Radioactivity Monitoring Program (continued)

b. A surveillance program to ensure that the quantity of radioactivity contained in each gas storage tank and fed into the offgas treatment system is less than the amount that would result in a whole body exposure of it 0.5 rem to any individual in an unrestricted area, in the event of an uncontrolled release of the tanks' contents.

The provisions of SR 3.0.2 and SR 3.0.3 are applicable to the Explosive Gas and Storage Tank Radioactivity Monitoring Piogram surveillance frequencies.

5.6.2.14 Diesel Fuel Oil Testing Program A diesel fuel oil testing program to implement required testing'of both new fuel oil and stored fuel oil shall be established. The program shall include sampling and testing requirements, and acceptance criteria, in accordance with applicable ASTM Standards.

The purpose of the program is to establish the following:

a. Acceptability of new fuel oil for use prior to addition to storage tanks by determining that the fuel oil has the following properties within limits of ASTM D 975 for Grade No. 2-D fuel oil:
1. Kinematic Viscosity,
2. Water and Sediment,
3. Flash Point,
4. Specific Gravity API;
b. Other properties of ASTM D 975 for Grade No. 2-D fuel oil are within limits within 92 days following sampling and addition of new fuel to storage tanks.
c. Total particulate contamination of stored fuel oil is <.10 mg/L when tested once per 92 days in accordance with ASTM D 2276-91 (gravimetric method).

5.6.2.15 Not Used (continued)

Crystal River Unit 3 5.0-20 Amendment No.

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