ML20063N254

Forwards Addl Info Re Loose Parts Monitoring Sys Needed to Close Open Issue,Per 820811 Telcon

ML20063N254
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	09/14/1982
From:	James Smith LONG ISLAND LIGHTING CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
Shared Package
ML20063N255	List: ML20063N254 ML20063N256 ML20063N257 ML20063N260 ML20063N261
References
SNRC-769, NUDOCS 8209200133
Download: ML20063N254 (26)

Text

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LONG ISLAND LIGHTING COMPANY FAC'O

/ww SHOREHAM NUCLEAR POWER STATION P.O. BOX C18, NORTH COUNTRY ROAD e WADING RIVER, N.Y.11792 September 14, 1982 SNRC-769 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S.

Nuclear Regulatory Commission Washington, D.C.

20555 Loose Parts Monitoring System Shoreham Nuclear Power Station - Unit 1 Docket No. 50-322

Dear Mr. Denton:

Per the telecon between representatives of LILCO and your staff on 8/11/82, it was ascertained that additional information would be required by the staff prior to closing the Loose Parts Monitoring System (LPMS) issue on the Shoreham docket.

The required information is hereby transmitted and consists of the following:

1) - LPMS description and cost / benefit analysis for separation

2) - Proposed test program to determine the 4

utilization of the Deliberate Plant Maneuver j

Detector

3) - Various plant procedures as follows:

a)

Preoperational Test Procedure, PT 622.001, including form for "Preoperational Test Approval / Release for Performance" b)

Startup Test Procedure, STP 814, Rev. A (Draft) c)

LPMS Calibration, SP 44.662.01, Rev. O d)

LPMS Functional Check, SP 44.662.02, Rev. O e)

LPMS Operating Procedure, SP 23.662.01, Rev. 0 f)

RPV LPMS Alarm Response Procedure, Rev. O F2092OO133 820914 4 gyp [

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-s September 14, 1982 SNRC-769 Page 2 Furthermore, LILCO commits to install two additional LPMS'siincors to be located on the reactor recirculation suction nozzles at the reactor vessel exit.

This is planned to be accomplished by the end of the initial fuel loading, subject:to timely availability of commercially-supplied components.

Also, LILCO will include an evaluation of LPMS alarm thresholds ~-

in the Loose Parts Detection System report, to;be submitted-to the NRC by LILCO within 90 days after commercial. operation.

The information contained herein in conjunction with other information on LPMS transmitted via SNRC-721 dated 6/23/82 should be sufficient to close this item on the Shoreham docket.

Should you have any questions, please contact this office.

Very truly yours,

.]

J.

L.

Smith Manager, Special Projects Shoreham Nuclear Power Station RWG:mp Attachment cc:

J.

Higgins All parties

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a SNRC-769 SHOREHAM NUCLEAR POWER STATION - UNIT 1 LOOSE PARTS MONITORING SYSTEM DESCRIPTION / COST BENEFIT ANALYSIS FOR SEPARATION The Shoreham loose parts monitoring system is an acoustic detection, analog processing, and annunication system providing real time detection of metallic impact noises in the primary coolant system.

The system consists of four sensors and a control room cabinet with facilities for monitoring, recording, and alarming any of the four sensor channels.

Two of the sensors are located at the reactor feedwater inlets, 45 degrees and 225 degrees azimuth and the other two sensors are located on reactor control rod drive housings, 160 degrees and 340 degrees azimuth.

The loose parts monitoring system is designed and installed, and will be operated, in accordance with the recommendations of Regulatory Guide 1.133, Rev.

1, with the exception that cabling associated with the two sensors at the same natural collection region is not physically separated (i.e, separated by distance or barrier) between the sensors themselves and a point in the plant that is always accessible for maintenance during full-power operation.

Instead, this cabling shares a common conduit within the drywell, which is inaccessible during full-power operation.

This manner of installation was noted during NRC Inspection No.

82-02, conducted by the NRC resident inspector at Shoreham between January 1 and January 31, 1982, and subsequently evaluated and found acceptable by LILCO as stated in our letter SNRC-677, dated March 11, 1982, to the NRC Region I office.

The installation was determined by LILCO to not affect the functional recommendations of Regulatory Guide 1.133, Rev. 1 for the following reasons:

The loose parts monitoring system is not, nor is it required to be a safety-related system.

As such, Class IE separation criteria do not apply to the design and installation of this system.

Regulatory Guide 1.133, Paragraph C.l.c, recommends physical separation of the two sensors at each natural collection region from the sensor itself to a point in the plant that is always accessible for maintenance during full power operation.

As the purpose of having two sensors is to provide " broad coverage" of the collection region, these two sensors are not redundant.

2.

Common mode failure due to non separation of the drywell cable falls into two categories:

First is common mode failure due to any event of sufficient magnitude to cause plant shutdown, and second is common mode failure due to any event of insufficient magnitude to cause plant shutdown.

It should be noted that the Regulatory Guide states:

l "The primary purpose of the loose-parts detection program is the early detection of loose metallic parts in the primary system.

Early detection can provide the time required to avoid or mitigate safety-related damage to or malfunctions of primary system components."

Therefore, any event of sufficient magnitude to cause plant shutdown need not be considered significant relative to the loose parts monitoring system as the opportunity for "early detection" no longer exists.

If the plant is required to shut down the loose parts monitoring system becomes irrelevant by definition, and any resulting common mode failure could at this time be repaired since the plant would be shut down.

However, events of insufficient magnitude to cause plant shutdown must be considered for common mode failure as the plant has not shut down and the opportunity for "early detection" still exists.

Those events which could result in common mode failure are addressed in the following paragraphs.

Particular emphasis is placed in the Regulatory Guide on the effects to the loose parts monitoring system due to seismic events.

It is stated:

"it is desirable that the loose parts detection system be designed to function following all seismic events that do not require plant shutdown."

j As regards common mode failure due to a seismic event, the following is noted:

I a.

The loose parts monitoring system is designed in accordance with R.G.

1.133 to operate to Operating Basis Earthquake (OBE) criteria.

As such, the existing cabling in primary containment, which is installed to Design Basis Earthquake (DBE) levels plus Mark II hydrodynamic load criteria, is qualified significantly beyor.d the qualification of the loose parts monitoring system.

b.

Although the existing cables are in the same penetration, the penetration is qualified to safety grade standards and exceeds loose parts monitoring system requirements.

f

3.

i c.

Within the biological shield, separation is maintained up to a common junction box located at the biological shield penetration.

From this junction box a common cable is run through conduit and trays to the primary containment penetration, all of which are designed and supported to withstand DBE.

The conduit and cable tray provide mechanical protection to the cabling within the primary containment.

All structures and equipment within the primary containment are also designed and intalled to DBE levels plus Mark II hydrodynamic load criteria; therefore, any seismic event of sufficient magnitude to cause mechanical crushing or severance of common channel cables or the penetration would exceed the design basis of the loose parts monitoring system as recommended by Regulatory Guide 1.133.

Although separation for fire protection to preclude a common mode failure does not explicitly appear in the regulatory guide, it is further noted that Shoreham's inerted containment will prevent the outbreak of fire.

Also, the cable will carry only low energy signals (50Vmax AC and DC), for which the voltage and current handling capacity of the safety grade cabling will far exceed even the short circuit output of the loose parts monitoring system electronics.

Separation for the purpose of minimizing electrical interference which could lead to spurious alarms also does not appear to be intended by Regulatory Guide 1.133, since the regulatory guide only recommends separation between channels monitoring the same natural collection region and then only within inaccessible areas.

Electrical interference, if it were the concern of this section of the regulatory guide, would be no more likely to occur between channels monitoring the same natural collection region than between channels monitoring different natural collection regions.

Also, electrical interference would be no more likely to occur in inaccessible areas than in accessible areas.

In any event, electrical interference, whether it be between two channels of the loose parts monitoring system or between a loose parts monitoring channel and an instrumentation channel from another system, is prevented by use of twisted-shielded-pair cabling, the shield of which is grounded at a single point within the system.

Also, it is the practice at Shoreham to route all instrumentation cabling separate from higher voltage cables such as for power and control circuits.

Therefore, electrical interference will not be increased by the lack of separation between channels within the drywell at Shoreham.

4.

The final common mode failure concern results from cable deterioration due to water or oil line breaks.

The only oil line break within primary containment would be lube oil on the reactor water recirculation pumps.

This oil would be at low temperature and pressure, and since the oil is maintained in a reservoir and not continuously supplied, the oil would flow only a short duration.

Additionally, instrumentation is provided to indicate loss of lube oil which requires disabling the pump.

This in turn requires plant shutdown for repair of the break and cleanup of contaminated structures.

Water line breaks would not contain the energy required to damage the common cable and penetration, however a high energy steam line would most certainly be capable of this.

It has been determined that even the smallest line, i.e.,

3/4" instrument line, which could break and have energy enough to damage the common cable or penetration would result in a faulted condition and require plant shutdown for repair.

Thus even though damage could occur, the plant would be shut down for repair of the line break and if necessary the common cable and penetration.

The intent, as well as the functional requirements, of Regulatory Guide 1.133 as pertains to separation are met by the current design and installation.

Accordingly, any additional expenditures in order to implement separation in the drywell would not result in any additional benefits to the loose parts monitoring system.

A cost estimate was prepared for implementing drywell separation and the estimated cost represented in December 1982 dollars is $171,000.00.

This figure includes approximately

$45,000 for cable and conduit, $39,000 for seismic conduit supports, $45,000 for installation, and $42,000 for other indirect and miscellaneous costs.

This figure does not take into account the enormous costs which could possibly occur if this change impacted fuel load or even slightly increased the duration of a refueling outage.

SNRC-769 LOOSE PARTS MONITORING SYSTEM DELIBERATE PLANT MANEUVER DETECTOR PROPOSED TEST PROGRAM In order to determine the utilization of the " Deliberate Plant Maneuver Detector" feature of the Shoreham Loose Parts Monitoring System, LILCO proposes to perform the following test program:

1.

The potential for control rod movement to cause spurious LPMS alarms will be determined by moving selected control rods, including those which have LPMS sensors attached to their drive housings, while the LPMS is operating.

The tape recorder will be used to record these signals to quantify the relationship of control rod noises to LPMS alarm thresholds.

2.

An engineering review will be conducted to determine what other mechanical device actuations, if any, would be likely to cause spurious LPMS alarms.

This review will determine candidate mechanical devices for further testing to be conducted similar to that in Item 1.

These tests will be conducted during either the pre-operational or start-up test phases and the results included in the Loose Parts Detection System report, to be submitted by LILCO to the NRC within 90 days after. commercial operation.

This report will identify the planned utilization of the DPMD feature based on the test results.

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' NUCLEAR POWER S TATIO!J y

' ~STARTUP FORM n.1 4,

Prcagerational Tor.t_A_pp,roval/nelt ase

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System No.__})21g 2.

Preope rationa 1 Tes t No. _

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Test Engineer:

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Lead Startup Engineer: R.T.Purcell 6.

Attached l'rcoperational Test Procedule is submitted for your Approval of content, format, acceptability a d/o revis'on.

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JTG Meehnd Date Scheduled

'Startup Manag/r p Date g

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Preoperational Test Approved by Operatio al O. A.

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2 t crational QA En incer ae 8.

Preoperational Test Approved by JTG for content, f rmat,

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Approval:

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Star u Mana9 r

Date Remarks

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HG /f?ROYED NOV 91981 ATTACHMENT 3 to SNRC-769

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, / gas POWER STATIOlJ REVISION O

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FORM D.)

/ g, 9 Attached Preoper.itional Test Ptocedure and conpleted Checkout &

Initial Operations Tests with pertinent docun.ents and comments are st1Lmitted for your " RELEASE F0lt PI'.RTOTUtANCC**.

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• Recommendat. ions For Par tial Prcep. Tont, fie vi s io.in, Clarificaticn, etc.

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Plant M.inayet, S &W l.catl Advi..o. y Eng i neer, CU Operations Manager, l.r ad Star tup En' lint:c r, I.1LCO Operational Q A.

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.W PT.622.001 1.0 TEST OBJECTIVE 1.1 This test wl11 demonstrate that the Loose Parts Monitoring System (5212) has proper operation of such functions as system sensitivity, alarm logic, alarming systems, audio and visual monitoring, tape recording and internal simulation.

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1.2 This pr. edure performs / demonstrates the following:

1.2.1 The Field Cables connected to the LPM panel have been tested.

( lB 21-PflL-252 ).

1.2.2 The Alert Setpoint of the TEC 1432 is adjusted to unity.

1.2.3 System sensitivity is verified.

1.2.4 The system alarm and inhibit functions are tested.

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1.2.5 The internal simulator and automatic tape recording functions are tested.

1.2.6 Testing under operating cc nditions shall be performed by STP-814.

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PT.622.001 h'p

2.0 REFERENCES

2.1 Specification SH1-461 and ADD.1 2.2 TEC Assembly Drawings ll600.02-7.81-15A thru 31A.

2.3 TEC Operations and Maintenance Manual f30063-D1.

2.4 NRC Regulatory Guide 1.133 2.5 Wiring Diagrams FE-36 AA -6 FE-3PL-3 FE-18BY-2

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2.6 Flow Diagrams FM-48A Rev. 8 FN-48B Rev. 7 2.7 Shorehar FSAR 14.1.8'.4 5,,,_..... ' 4. - -

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2.8~Sh6reha7 Stare np ha~n'ual.

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2.9 All personncl signing this procedure must fill out the following information for future reference:

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' Level of tials Ini-Qualifi-Name Name Prin-tials TITLE /

' cation (Printed)

(Signed) ted Signed' ORGANIZATION (I,II,III)

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PT.622.001 3.0 PREREQUISITES 3.1 The JTG Chairman has released this test for performance (SU Form 8.1 complete) b

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'Date Verified 3.2 Conditional Release has been effected and the Master Punch List has been reviewed and no deficiencies remain that affect the validity of this test.

Or Wt I /II/9 2 Date Verpied 3.3 Notify Operational Quality Assurance Engineer and Watch Engineer prior to performing this test.

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Date Ver fied i

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3.4 5 All. documents referenced.are o,f revision at

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4.0 PRECAUTIONS 4.1 Always return each part of the equipment to its original configuration following completion of a particular test unless instructed otherwise by the Test Engineer.

4.2 Follow the procedures as outlined in Section 4.4 of the Startup Manual for lifted leads and jumpers.

4.3 Normal precautions should be taken when working on this equipment as some of the voltages are hazar-dous to personnel.

5.0 INITIAL CONDITIONS Only as specified in the steps of the procedure.

6.0 ENVIRONMENTAL CONDITIONS

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this test.

M&TE or VFNDOR 7.0 SPECIAL TEST EQUIPMENT CAL.

7.1 Digita1 Voltmeter

(, l3 4/lg/gg 7.2 Spectrum Analyzer / Transient Recorder lg3 g f g/g7 VELepo4

t. A L 7.3 Calibrated Impact Device

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• TEST PROCEDURE 8. '1 All prerequisites for the Preoperational* Test have been completed (Section 3.0)'.

Note any exceptions in Section 11.0.

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l pate 8.2 Initial Set-Up

,8.2.1 Verify that the system has been energized by turning on Main AC powcr at the TEC Model 141 Power Distribution J Box and on the1430-3LPMMainframe$.

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,Ver ied Date 8.2.2 Connect a digital voltmeter across the in-put to Channel 1 of TEC932 amplifier (center conductors of + & - BNC Connectors)

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and record the voltage in the table below.

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The measured voltage should be 18v+10%.

Re-peat this step for Channel 2 through 4 of t

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TEC932.

F CHANNEL' BIAS VOLTAGE VERIFIED DATE

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Depress the system reset switch on th6 TEC 1433C Control module while. simultan'e-ously depressing the simulator. enable

' switch on the TEC-1439D Audio Monitor

• Simulator Module.

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-Veri ed Date 8.2.4 Adjust all TEC932 Amplifier Low Pass-Filter - 3DB point select switches to 50kilz and adjust all gain controls to produce a " green" indication on all 1

TECl432 Impact Detector Status LEDs.

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8.2,5 Momentarily raise the' Channel.1 TEC 1432 Impact Detector A'lert Set Point. monitor i

' select switch to the "Backgrohnd" posi-l tion and record the' voltmeter reading on the TEC 142 Alert Setpoint Monitor. (Note.:

,If an overscale reading is indicated in I

the " Low". range of TEC 142, switch to I

., the "High" range). Next, momentarily depress the TEC 142 Alert Setpoint Monitor

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select switch to the threshold position and read the TEC 142 voltr.eter reading.'

Adjust the TEC 1432 alert setpoint (The i

recessed trimmer potentiometer in the TEC 1432 front panel) so that the background 1

and threashold voltmeter readings are equal.

This s'ets the alert setpoint of s

the TEC 1432 Impact Detector equal to 1.

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Repeat this procedure for the Channel 2 2

through Channel 4 Impact Detectors.

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8.2.6 Depress the system reset switch and simultaneously depress the TEC 1439D simulator disable switch.

Release the system reset switch.

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8.2.7 Verify that the followin'g switeites and' controls are in the posi, tion indicated below.

8.2.7.1 TEC 932 gain select switches -

set to produce a " green" indi-cation on the corresponding TEC 1432 status LEDs (Note:

sufficient background noise must be resent).

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8.2.7.2 TEC 932 Lcw pass filter select swi ches - s at 5 kHz.

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8.2.7.3 TEC 1433C auto reset period select

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switch - set in the " enable" posi-ti

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8.2.7.4 TEC 1433C deliberate plant maneuver detector (DPM) inhibit switch - set to " auto" position.

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8.2.7.5 TEC 133C' Annunciator Module alarm s.

inhibit switch - set; in the "of f" position *,

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the inhibit LED shoulgbeoff.

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y Date' Verified 8.2.7.6 TEC 1439D Audio Monitor Simulator Module volume control - set,approxi-l at the 9 o' clock position.

mate { MU IAc/e2 Ver ied

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' Date 8.2.7.7,TEC 1439D channel select switch -

set to Channel 1 p sition.

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8.2.7.8 TEC 1439D simulator - make sure

_ _sim.ulatonis. disabled, i.e., the

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. ;,. j; simulator status ED is off.

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f TEC 146 tape recorder interface 8 2.7.9 auto-start select switch - set-in the.:hable positiori.

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8.3 Sy, stem Sensitivity Test:

NOTE:

Background noise must be present and be of sufficient amplitude to give a ' green" indication on the status LED's of the l

TEC 1432 Impact Detectors.

8.3.1 Heasure and record below the background RMS voltage of each channel prior to per-

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VERIFIED DATE l

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8.3.2 Using a spctrum analyzer, record a base-line spectra of each channel.' ' Note the

.TEC 932 gain and filter settings and the

. LPM channel and sensor location on the spectral plots. Attach to this procedure.

CIIANNEL VERIFIED /DATE Os0 Y i-s c-1.2.

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8.3.3 Select tho points that are approximately

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3 ft (by surface distance) from the sen-sor being tested and 180* apart.

Hold the impact device as perpendicular as possible to the surface at one of the test points and generate one impact.

Using the trans-ient recorder, record the impact. induced transient, being sure to note the sensor location, LPH channel number, the TEC 932 amplifier vain'and ~Illter sett'ings, and M~ dens u-. _.... g. _

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f the alert setpoint.

Verify the following occur:

The TEC 1432 status LED for that channel changes frcm green to red; The TEC 1433C Control Module indicates a first alert on that channel; and An audible impact can'be heard on the TEC-1439D Audio Monitor. (Note:

the channel select switch should be in the position to monitor the channel being impacted).

CHANNEL V_ERIFIED DATE 1 spo su,. 3y N MM

.or, s2 3 91 O_ o d io sr (> 3 +T) 2 Sv 0.a E '/

i_,.,-s2 3:eouw r. v 3 rr 4 2sosAm iv 0-0 (

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M APPR0YED NOV 91981

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f PT. 6 2 2. 0'01 8.3.4 Depress the TEC 1433C. system reset switch.

Repeat.the impact-test of ste'p

• 8.3.3 for

.the second test point selected in step

}.

8.3.3.. Repeat steps B.3.3 and 8.3.4 for each of the remaining sensors.

CHANNEL VERIFIED DATE

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' ' g; g gj shr /s2 i

3.5 V r

2 la Mdl e /n cist 2V

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4 h Q b *l i f a g,/eg

.1V 82M (1.qv $3rr v-ow aan uw r.am.

s 3ss scarriaN 84 t.*.S NCTTE:

If any events of step 8.3.3 did not occur, I

an adjustment of the alert setpoint to in-crease that channel's sensitivity'is required per sections 3 and 5 of the Main-tenance and Operation Manual.

After any readjustment, steps 8.3.3 and 8.3.4 must 4

be repeated.

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,jsys. tem-Alarm _~mna misibit TesNb 6 _. --__-.y.-

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The TEC 1430-3 LPM is factory adjusted with l*

the alert rate set for four impacts within fj.ve seconds, i

8.4.1 Select a sensor channel and generate one impact within 3 ft of the sensor.

Verify that the TEC 1432 status LED of that channel goe's constant red and that the first alert display indicates the proper channel.

Wait for five seco~nds after the impact and verify that an automatic reset of the system occurs.

CHANNEL VERIFIED /DATE 1

_L a lY ) aintis1 h a N b sinssas 2

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3 VOf Val) 1 s n, ts.z.

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PT.622.001

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8.4.2 Generate at*least four. impacts.within, five seconds and v,er'ify that:

Th'e TEC 133C Alain Modu'le klarin indicator LED is on; The Control Room annunciator functions:

and

-)4 "The Store 4DS Tape _ Recorder starts in g forward / record mode.

CHANNEL VERIFIED /DATE 1-

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r 8.4.3 Set the 146 Auto-Start switch in the disable position and depress the stop switch on the tape recorder.

(

Return the Auto-Start switch to the enable position and depress the TEC-1433C system reset. switch.

Verify that a

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CHANNEL VERIPIED/DATE 00 V4A IM/en,

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8.4.4 ~

Generate one impact at t.he same' sensor location and then, place the-TEC 1433C DPMD switch in the manual inhibit posi-

' tion.

(Do this as quickly as'possible

• af ter the first alert occurs).

Generate two more impacts and verify that an alarm.

. condition does not occur.

Return the DPMD inhibit switch to the auto position

,...and then genera,te two more impacts.

This should be' accomplished before an auto reset occurs after the last impact.

~

CHANNEL VERIFIED /DATE 1

O h t /tr./g x kk

, )/16/g2

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2

(@a M' a'i,,ie2 O lll &

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2 8.4.5 Repeat steps 8.4.1 through 8.4.4 for the remainder of the channels.

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8.5 Internal Simulator and Tape Recorder Test J-1 1

8.5.1 Set the TEC 133C Annunciator Module inhibit switch to the "on" position (inhibit I.ED on).

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Date

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3G mwnD NOV 91981 w.

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PT.622.001

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8. 5.,2 Set"all TEC 932 Amplifier g,ai,n controls.

to 'a level to establish a " green" status Indication af ter enabling the.TEC 14390

. simulator.

Depress the system reset switch and verify that all TEC 1432 status LEDs are green.

0 t

I/11/9 2 Veffied I ~Date 8.5.3 Se't the Store 4DS Tape Recorder input atten-tuators to "1" on all channels., Set the response switch (located below the monitor

. meter) to " peak".

Also, reset the tape recorder footage counter to re d "0000".

t /17/92

'Veriffed

' Date 8.5.4 Look at each channel's signal peak amplitude on the monitor meter.

Slide the switch labeled " meter" (located below the four in-(

put attenuator knobs) to the points designa-

-... x

- h2 r% 23-4 " REC" for. eachU:hann'61.?_t A

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5 -

~ _;.

p-Verpied Date

_3 8.5.5 Depress the TEC 1439D Simulator impact switch and verify that all TEC 1432 status LEDs are constant red and that the tape recorder is in a f rwar / record' mode.

SH 'Ikh/

(/l7/92 Vegffied Date e

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. ~......

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PT.62,2.001 8.5.6 Allow the tape recorder to record for '

~

around ten minutes.' t:o stop recording, simply depress the "stop" button to the i-ight of the monitor meter.

While re-

[*

cording, the meter should read about +5 db on each channel.

l/t7/97,,

_....__-._._-s ver fied, Date 8.5.7 Rewind the tape recorder back to the point where the footage counter again reads "0000".

The object of this step is to verify that the recorder indeed recorded

' 1-

'the signals from the TEC 1439D Simulator on all four channels.

Replay the section just recorded while looking at each channel's si.gnal one at a time on the monitor meter.

The latter is accomplished by' sliding the 1

meter selector switch to the points desig-nated " REP" for each channel.

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Vefified

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m-

-w=am

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.'7.5.8 - *Verif[ ~thaT th~e"isicinils see'n on the ' monitor

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meter are again about +5db on each channel.

0 I/17/92_

'Date Ver[fied i.;.

1 1

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Im APPNVED NOV 91981

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a PT.622.001 9.0 SYSTD1 RETURN TO NORMAL Leave the Loose Parts Monitoring System in a normal operating configuration powered with no alarms or as directed by the Test Engineer.

Ger E. c. e r ri e u *34*l Verified Date OQA Witness Date 10.0 SUw1ARY OF ACCEPTANCE CRITERIA 10.1 All field cables have been tested (section 3.1).

l b k[I Ver/fied t /l7/ 92 Date 10.2 The TEC 1432 Alert setpoint is verified at unity (section 8.2).

f) $

l / l ~1/ R1 Ve fi e'd Date g

10.3 The system sensitivity is verified (section 8.3).

}O kA/

I/17/82 Ver fi'e'd Date

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,2.,.,,..~.~u

. q -

is C TEc'sy'sl$S, alarm and inhibit functions have been

' " " ' " ~

tested (section 8.4).

f> E E Eu.orieA 00 $

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• 2.

Verffied Date 10.5 The internal simulator and automatic tape recording functions have been tested (section 8.5).

0O

$Wl t / \\ *1/Pi2 Date ve[ified

'10.6 All Acceptance Criteria has been rnet and verified.

b I /17 / B'2 vpified

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Date 0

EG # PROVED HOV 91981

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