ML18102B306

Proposed Tech Specs,Revising SR 4.7.6.1.d.1,to Indicate That Specified Acceptable Filter Dp Is to Be Measured Across Filter Housing & Reflecting Filter Dp Acceptance Value Greater than 2.70 Water Gauge

ML18102B306
Person / Time
Site:	Salem
Issue date:	05/14/1997
From:	Public Service Enterprise Group
To:
Shared Package
ML18102B305	List: ML18102B304 ML18102B306
References
NUDOCS 9705210169
Download: ML18102B306 (3)

Text

• Attachment 3 to LR-N97288 CHANGE TO TECHNICAL SPECIFICATIONS (TS)

CONTROL ROOM EMERGENCY Am CONDITIONING SYSTEM (CREACS)

TECHNICAL SPECIFICATION CHANGES Revise Surveillance Requirement 4. 7.6.1.d.1, for Salem Units 1 and 2 to read as follows;

1. Verifying that the pressure drop across the combined filter housing is : : ; 2. 70 inches water gauge while operating the ventilation system at a flow rate of 8000 cfm +/-

10%.

9705210169 970514

--1 PDR ADOCK 05000272 p P~R J Page 1 of 3

• Pl.ANT SYSTEMS SURVEILLANCE REQUIREMENTS

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4.7.6.1 Each control room emergency air conditioning system filtration train shall be demonstrated OPERABLE:

a. At least once per 31 days by initiating flow through the HEPA filter and charcoal adsorber train(s) and verifying that the train(s) operates with each fan operating for at least 15 minutes.

b. At least once per 18 months or prior to return to service (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the system, by:

1. Verifying that the charcoal adsorbers remove ~99t of a halogenated hydrocarbon refrigerant test gas when they are tested in-place while operating the ventilation system at a flow rate of 8000 cfm

+/- 10\.

2. Verifying that the HEPA filter banks remove ~99\ of the DOP when they are tested in-place while operating the ventilation system at a flow rate of 8000 cfm +/- 10\.

3. Verifying within 31 days after removal that a laboratory analysis of a carbon sample from one of the charcoal adsorbers demonstrates a removal efficiency of ~99t for radioactive methyl iodide when the sample is tested at 30°C, 95t relative humidity.

c. After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation by verifying within 31 days after removal that a laboratory analysis of a carbon sample obtained from a test canister demonstrates a removal efficiency of ~ 99\ for radioactive methyl iodide when the sample is tested at 30°C, 95\ relative humidity.

d. At least once per 18 months by: ~ 2.10

1. Verifying that the pressure d~o c oss the combined~ filter houSm~ ->>>asa cha1coa1 aas 0 rher hank.. is 3. inches water gauge while

....J operating the ventilation sys m a flow rate of 8000 cfm +/- 10%.

2. Verifying that on a safety injection test signal or control room intake high radiation test signal, the system automatically actuat~s in the pressurization mode by opening the outside air supply and diverting air flow through the HEPA filter and charcoal adsorber bank.

3. Verifying that the. system can main~ain the control room at a positive pressure ~ 1/8" water gauge relative to the adjacent areas during system operation with makeup air being supplied through the HEPA filters and charcoal adsorbers at the design makeup flow rate of s 2200 cfm.

SALEM - UNIT 1 3/4 7-20 Amendment No.190

PLANT SYSTEMS

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) SURVEILLANCE REQUIREMENTS

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4.7.6.l The control room emergency air conditioning system shall be demonstrated OPERABLE:

a. At least once per 31 days by initiating flow through the HEPA filter and charcoal adsorber train(s) and verifying that the train(s) operates with each fan operating for at least 15 minutes.

b. At least once per 18 months or prior to return to service (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the system, by:

l. Verifying that the charcoal adsorbers remove ~ 99% of a halogenated hydrocarbon refrigerant test gas when they are tested in-place while operating the ventilation system at a flow rate of 8000 cfm

+/- 10%.

2. Verifying that the HEPA filter banks remove ~ 99% of the DOP when they are tested in-place while operating the ventila.tion system at a flow rate of 8000 cfm +/- 10\.

3. Verifying within 31 days after removal that a laboratory analysis of a carbon sample from one of the charcoal adsorbers demonstrates a removal efficiency of ~ 99% for radioactive methyl iodide when the sample is tested at 30°C, 95\ relative humidity.

c. After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation by verifying within 31 days after ~emoval that a laboratory analysis of a carbon sample obtained from a test canister demonstrates a removal efficiency of ~ 99% for radioactive methyl iodide when the sample is tested at 30°C, 95% relative humidity.

d. At least once per 18 months by:

£ 2.10

l. Verifying that the pressure dr s the combined~ filter hollSinq"""and chareoa-1 adserher eemk is ches Water Gauge while

<.j operating the ventilation system at a flow rate of 8000 cfm +/- 10%.

2. Verifying that on a safety injection test signal or control room intake high radiation test signal, the system automatically actuates in the pressurization mode by opening the outside air supply and diverting air flow through the HEPA filter and charcoal adsorber bank.

3. Verifying that the system can maintain the control room at a positive pressure ~ l/8 water gauge relative to the adjacent areas 11 during system operation with makeup air being supplied through the HEPA filters and charcoal adsorbers at the design makeup flow rate of .s 2200 cfm.

SALEM - UNIT 2 3/4 7-17 Amendment No.173