ML20140G874
| ML20140G874 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 04/07/1997 |
| From: | WISCONSIN ELECTRIC POWER CO. |
| To: | |
| Shared Package | |
| ML20140G761 | List:
|
| References | |
| IT-04, IT-4, NUDOCS 9705120220 | |
| Download: ML20140G874 (20) | |
Text
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W I
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NUCLEAR POWER BUSINESS UNIT.
IT 04 I
- INSERVICE TESTS MAJOR 1
Revision 35 l
LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 l
]
(QUARTERLY)
TOTAL REWRITE UNIT 2 i
i e
i Date RECORD DSS PROCGURE VERIRQ CURIM AND CHECKm FOR TEMPORARY CHANGES. IF FIELD -
j COPIES REQUIRED. USE PBF4026iIAW NP !.2A AND DOE COMPLETE THIS BLOCK.
BY:
DATE:
f
- m-
'1;0 PURPOSE I
5.1 The purpose of this test is to perform the following periodic inservice tests as required by
- Technical Specificationp and/or the ASME Boiler and Pressure Vessel Oxle,Section XI, Rules for Inservice Inspection of Nuclear Power Plant Components l
l 1.1.1 A functional test of 2P-10A&B LHSI pumps as required per Technical
- Specification 15.4.5.II.A.1.
i 1.1.2 Quarterly full stroke test of the following valves, as required by ASME Section XI.
l i
I 2RH-710A,2P-10A discharge check valve 2RH-710B,2P-10B discharge check valve i
2SI-854A,2P-10A suction check valve j
2SI-854B,2P-10B suction check valve i
I 2SI-856A,2P-10A RWST suction MOV 2SI-856B,2P-10B RWST suction MOV 1.2 The functional test of the LHSI pumps also satisfies environmental qualification requirements.
2.0 PRECAUTIONS AND LIMITATIONS 2.1 ' IF THERE IS ANY PROBLEM IN PERFORMING THIS TEST,IMMEDIATELY
- NOTIFY THE DUTY SHIFT SUPERINTENDENT. OPERATION OF THIS
- EQUIPMENTIS A TECHNICAL SPECIFICATION REQUIREMENT.
2.2
.LHSI pump suction pressure will be read on the installed" gauges in the No. 3 lower -
pipeway on El. 8'. To arrive at the true LHSI pump suction pressure,11.7 psig must be
- added to the as-read gauge pressure due to the elevation difference between the pump suction and discharge gauges.
2.3
. Suction and discharge pressure gauges are to be isolated, except for the time required to perform this test. Open the vents for the pressure gauges when testing is complete.
9705120220 970505 PDR ADOCK 05000301 Page 1 of 18 CONTINUOUS USE P
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INSERVICE TESTS MAJOR l
Revision 35 j
. LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 2
(QUARTERLY)
TOTAL REWRITE UNIT 2 i
2.4 If at any time pump suction pressure is less than the NPSH required, this test must be discontinued until the problem is corrected.
2.5 Limit the run time of the LHSI pumps to $30 minutes when solely on mini-recire flow (design flow rate of 150 gpm). Minimum total flow for continuous operation is 520 gpm.
2.6 Technical Specifications prohibit the testing of a safeguards component if the opposite i
train's standby emergency power is out of service.
2.7 When stroking valves, the stroke time is the time it takes the valve to stroke from full open to full shut or full shut to full open by control board indication.
INITIALS 3.0 INITIAL CONDITIONS NOTE:
Contact the System Engineerfor new acceptance criteria oftest is beingperformedfollowingpump maintenance prior to returning to service.
3.1 This test is being done to satisfy:
The normally scheduled callup. WO No.
. Post-maintenance operability test for (equip. ID)
WO No.(s)
Special test - no numbers Explain:
- CAUTION
- THIS TEST MUST NOT BE PERFORMED IF THE kHR SYSTEM IS OPERATING IN THE DHR MODE PER OP 7A OR IS ALIGNED PER CL 7B.
NOTE:
When recoveringfrom a cold shutdown condition, OP 7B must be performed before attempting this test.
3.2 The LHSI system is aligned per CL 7A.
3.3 The orifice is installed in 2FE-660 of the high flow recirc line.
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NUCLEAR POWER BUSINESS UNIT IT 04 INSERVICE TESTS MAJOR Revision 35
- LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE UNIT 2 INITIALS 3.4 Standby emergency power shall be available to the 4160 V safeguards buses I A05, I A06,2A05,2A06, p_r the component (s) to be tested is/are in the same train that is out ofservice.
The follow' g test equipment has been assembled:
3.5 m
3.5.1 A stopwatch for timing valve strokes ID No.
~~""3.5.2 A vibration instrument for pump data ID No.
3.6 Permission to Perform Test The conditions required by this test are consistent with required plant conditions, including equipment operability. Permission is granted to perform this test.
DSS Time Date 4.0 PROCEDURE - PUMP TESTING NOTE:
When post-maintenance or operability testing of 2P-10A or Train A components is not required, then N/A all ofSection 4.1.
4.1
'0A and Train A Test
- CAUTION
- IF A SAFEGUARDS ACTUATION OR A REACTOR PROTECTION SYSTEM ACTUATION SHOULD OCCUR ON UNIT 2 WHILE PERFORMING THE TEST OF TRAIN A, THEN IMMEDIATELY PROCEED TO STEP 4.1.24. PERFORM STEPS 4.1.24 AND 4.1.27 THROUGH 4.1.29; THEN TERMINATE THIS TEST.
4.1.1 Verify proper oil level in the thrust bearing housing of 2P-10A.
Contact the DSS for the type of oil required.
)
4.1.2 Unlock and open 2RH-742, high flow test line RWST isolation.
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_i Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE UNIT 2 INITIALS 4.1.3 Position 2RH-7428, high flow test line FCV, to 32% open position (~1000 gpm).
4.1.4 If 2FE-660 blank was removed and orifice installed for this test, then fill and vent the high flow test line until water issues at 2RH-V16 and V17 hig,h point vents.
Otherwise N/A this step.
~
4.1.5 Enter LCO for 2P-10A, if required 4.1.6 Place 2P-10A control switch to " PULLOUT."
4.1.7 Clean boric acid off of 2P-10A seal area.
NOTE:
Steps 4.1.8 and 4.1.10 provide a second barrier to leakage of letdown water to an unmonitored RWSTshould 2CV-133 and/or 2Ril-702 leak by the seat during the test.
4.1.8 Shut the following valves:
l 2RH-716A,2HX-11 A outlet isolation l
2RH-714A or 2RH-714B, bypass FCV isolation 4.1.9 Unlock and shut 2RH-733A,2P-10A mini-recire isolation 4.1.10 Verify shut 2SC-958, RHR sample isolation.
4.1.11 Unlock and open 2RH-706A, high flow test line inlet isolation.
4.1.12 Verify 6 pen 2SI-856A,2P-10A RWST suction MOV.
4.1.13 Verify 2P-10A discharge pressure at <50 psig per 2PI-628.
4.1.14 Align 2PI-653A,2P-10A suction pressure gauge, for service:
a.
- c. Open 2RH-V1B,2PI-653A inlet isolation Page 4 of 18 CONTINUOUS USE
~ NUCLEAR POWER BUSINESS UNIT.
IT 04 INSERVICE TESTS MAJOR Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE UNIT 2 INITIALS 4.1.15 Record 2P-10A static suction pressure in Attachment A.
4.1.16 Stan 2P-10A.
- CAUTION
- MONITOR AND VERIFY 2P-10A SUCTION
- PRESSURE IS >0 PSIG PER 2PI-653A ANYflME FLOW IS CHANGED.
m-v 4.1.17 Verify 2P-10A suction pressure is >0 psig.
4.1.18 Position 2RH-742B for a test line flow of 1560 gpm per 2FI-660.
Record time NOTE:
Identufy in remarks section any leakage observedfrom the pump or mechanicalseals. Also include amount (seals wet, drops per minute, etc.), color, and any other comments.
4.1.19 Check the pump and mechanical seals for leakage, unusual noise, and evidence of overheating.
4.1.20 Check all flanges, packing and joints up to 2RH-714A or 2RH-714B and 1RH-716A for leaks.
4.1.21 After a 15-minute run time at 1560 gpm, record 2P-10A data on Attachment A.
NOTE:
Step 4.1.22 is not routinely required. N/A Step 4.1.22, unless specifically requested by the inservice testing engineer or the Operations staffforpump profile or reference base line data.
~
4.1.22 Position 2RH-742B for test line flows of 400,800,1200 and 1800 gpm per 2FI-660 and record the required data at each flow point on Attachment A1. No specific run time between data points is required as long as flow stability is achieved.
4.1.23 Stop 2P-10A and observe the coastdown behavior of the pump 4
for any unusual noises, vibrations, or other abnormal conditions. Record any observations on Attachment A.
Time stop Page 5 of 18 CONTINUOUS USE
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INSERVICE TESTS MAJOR Revision 35
-' OW HEAD SAFETY INJECTION PUMPS AND VALVESApril 7,1997 L
! i-(QUARTERLY)
TOTAL REWRITE UNIT 2 INITIALS 4.1.24 Place 2P-10A control switch to " PULLOUT."
4.1.25 Flush the seal area of 2P-10A by spraying the seal area with warm DI water.
4.1.26 When periodic operability testing of 2SI-856A is required, then
-perform Section 5.1, steps 5.1.3,5.1.4,5.1.6, and 5.1.7.
(N/A steps 5.1.1,5.1.2,5.1.5, and 5.1.8).
Otherwise N/A this step.
" ^ * * * ' "
4.1.27 Remove 2P-10A suction gauges from service:
- a. Shut 2RH-V1
- b. Open 2RH-VI A
- c. Shut 2RH-VIB 4.1.28 Position the following:
- a. Lock shut 2RH-706A.
Red Lock No.
/
- b. Lock open 2RH-733A.
Red Lock No.
/
- c. Lock open 2RH-716A.
Red Lock No.
/
- d. Verify open 2RH-714A.
/
- e. Verify open 2RH-714B.
/
4.1.29 Place 2P-10A control switch to " AUTO."
/
4.1.30 If not continuing with 2P-10B testing per Section.4.2, then shut and lock 2RH-742.
Red Lock No.
Otherwise N/A this step.
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NUCLEAR POWER BUSINESS UNIT IT 04 INSERVICE TESTS MAJOR Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND V ALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE UNIT 2 INITIALS 4.1.31 Check pump operability by comparing the pump data with the limits in the IST Acceptar,ce Criteria binder.
4.1.32 Exit LCO for 2P-10A, if required.
NOTE:
When post-maintenance or operability testing of2P-10B or Train B conponents is not required, then N/A all ofSection 4.2.
~4.2'" 2P-10B and Train B Test
- CAUTION
- IF A SAFEGUARDS ACTUATION OR A REACTOR PROTECTION SYSTEM ACTUATION SHOULD OCCUR ON UNIT 2 WHILE PERFORMING THE TEST OF TRAIN B, THEN IMMEDIATELY PROCEED TO STEP 4.2.22. PERFORM STEPS 4.2.22 AND 4.2.25 THROUGH 4.2.27; THEN TERMINATE THIS TEST.
4.2.1 Verify proper oil level in the thrust bearing housing of 2P-10B.
Contact the DSS for the type of oil required.
4.2.2 Unlock and open or verify open 2RH-742, high flow test line RWST isolation.
4.2.3 Position 2RH-742B, high flow test line FCV, to 32% open position (~1000 gpm).
4.2.4 If not performed in Section 4.1 and if the 2FE-660 blank was removed and orifice installed for this test, then fill and vent the high flow test line until water issues at 2RH-V16 and V17 high point vents.
Otherwise N/A this step.
4.2.5 Enter LCO for 2P-10B, if required.
4.2.6 Place 2P-10B control switch to " PULLOUT".
4.2.7 Clean boric acid off of 2P-10B seal area.
Page 7 of 18 CONTINUOUS USE
NUCLEAR POWER BUSINESS UNIT IT 04
~ i INSERVICE TESTS MAJOR Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 3
(QUARTERLY)
TOTAL REWRITE UNIT 2 INITIALS 4.2.8 Unlock and shut 2RH-733B,2P-10B mini-recirc isolation.
4.2.9 Unlock and open 2RH-706B, high flow test line inlet isolation.
4.2.10 Verify open 2SI-856B,2P-10B RWST suction MOV.
4.2.11 Verify 2P-10B discharge pressure at <50 psig per 2PI-629.
~ 4.2.12 Align 2PI-653B,2P-10B suction pressure gauge, for service:
- a. Shut 2RH-V2A,2PI.653B vent
- c. Open 2RH-V2B,2PI-653B inlet isolation 4.2.13 Record 2P-10B static suction pressure in Attachment B.
4.2.14 Start 2P-10B.
- CAUTION
4.2.15 Verify 2P-10B suction pressure >0 psig.
4.2.16 Position 2RH-742B for a test line flow of 1560 gpm per 2FI-660.
Record time NOTE:
Identify in remarks section any leakage observedfrom the pump or mechanicalseals. Also include amount (seals wet, drops per minute, etc.), color, and any other comments.
4.2.17 Check the pump and mechanical seals for leakage, unusual noise, and evidence of overheating.
4.2.18 Check all flanges, packing, and joints up to P-22 containment penetration for leaks.
Page 8 of I8 CONTINUOUS USE i
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NUCLEAR POWER BUSINESS UNIT IT 04 INSERVICE TESTS MAJOR Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE i
UNIT 2 INITIALS 4.2.19 After a 15-minute run time at 1560 gpm, record 2P-10B data on Attachment Be NOTE:
Step 4.2.20 is not routinely required. N/A Step 4.2.20 unless specifically requested by the inservice testing engineer or the Operations staffforpump profile or reference base line data.
4.2.20 Position 2RH-742B for test line flows of 400,800,1200, and 1800 gpm per 2FI-660 and record the required data at each flow point on Attaclunent Bl. No specific run time between data points is required as long as flow stability is achieved.
4.2.21 Stop 2P-10B and observe the coastdown behavior of the pun for any unusual noises, vibrations, or other abnormal conditions. Record any observations on Attachment B.
Time Stop 4.2.22 Place 2P-10B control switch to " PULL-OUT."
4.2.23 Flush the seal area of 2P-108 by spraying the seal area with warm DI water.
4.2.24 When periodic operability testing of 2SI-856B is required, then perform Section 5.2, steps,5.2.3,5.2.4,5.2.6 and 5.2.7.
(N/A steps 5.2.1, 5.2.2, 5.2.5, and 5.2.8).
Otherwise N/A this step.
4.2.25 Remove 2P-10B suction gauges from service:
a.
Shut 2RH-V2
- b. Open 2RH-V2A c.
Shut 2RH-V2B Page 9 of 18 CONTINUOUS USE
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NUCLEAR POWER BUSINESS UNIT IT 04
- j INSERVICE TESTS MAJOR e'{
Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE UNIT 2 INITIALS 4.2.26 Position the following:
- a. Lock shut 2RH-706B Red Lock No.
/
- b. Lock shut 2RH-742 Red Lock No.
/
-~~ r
- c. Lock open 2RH-733B Red Lock No.
/
4.2.27 Pl= 2P.10B control switch to " AUTO."
/
4.2.28 Check pump operability by comparing the pump data with the limits in the IST Acceptance Criteria binder.
4.2.29 Exit LCO for 2P-10B, ifrequired.
NOTE:
When a post-maintenance valve stroke test is required, then the testing shall include at least two congpiele strokes / cycles ofthe valve with documentation t
on PBF-2059.
5.0 PROCEDURE - VALVE TESTING NOTE:
When post-maintenance or operability testing of2SI-856A is not required, then N/A allofSection 5.1.
T 5.1 Stroke test of 2SI-856A. 2P-10A RWST Suction MOV 5.1.1 Enter LCO for 2P-10A, if required.
5.1.2 Place 2P-10A control switch in " PULLOUT."
5.1.3 Shut 2SI-856A,2P-10A RWST suction MOV, and record:
Time to shut seconds Check the rising stem indicator for shut indication.
Check 2SI-856A ready status board light is on.
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NUCLEAR POWER BUSINESS UNIT IT 04 INSERVICE TESTS MAJOR Revision 35 t
LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE
^
UNIT 2 INITIALS 5.1.4 Open 2SI-856A and record:
Time to open seconds j
Check the rising stem indicator for open indication.
/
l Check 2SI-856A ready status board light is off.
"~T " 5.1.5 Place 2P-10A ' control switch in " AUTO."
/
i 5.1.6 Second independent operator verify:
l l
SI/ Spray ready status panel lights off.
l 2SI-856A 2P-10A RWST Suction MOV open.
5.1.7 Check valve operability by comparing the valve data with the limits in the IST Acceptance Criteria binder.
i 5.1.8 Exit LCO for 2P-10A,if required.
NOTE:
When post-maintenance or operability testing of2SI-856B is not i
required, then N/A all ofSection 5.2.
5.2 Stroke test of 2SI-8568. 2P-10B RWST Suction MOV i
5.2.1 Enter LCO for 2P-10B,if required.
5.2.2 Place 2P-10B control switch in " PULLOUT."
l 5.2.3 Shut 2SI-856B,2P-10B RWST suction MOV, and record:
Time to shut seconds Check the rising stem indicator for shut indication.
Check 2SI-856B ready status board light is on.
]
- Q. ?
1 Page 11 of18 CONTINUOUS USE
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NUCLEAR POWER BUSINESS UNIT IT 04 p
INSERVICE TESTS MAJOR L
Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE UNIT 2 INITIALS 5.2.4 Open 2SI-856B and record:
Time to open seconds Check the rising stem indicator for open indication.
/
Check 2SI-856B ready status board light is off.
~ ~ ~ "
5.2.5 Place 2P-10B control switch in " AUTO."
/
5.2.6 Second independent operator verify:
SI/ Spray ready status panel lights off.
2SI-856B 2P-10B RWST Suction MOV open.
5.2.7 Check valve operability by comparing the valve data with the limits in the IST Acceptance Criteria binder.
5.2.8 Exit LCO for 2P-108, if required.
6.0 -
ANALYSIS TO BE COMPLETED WITHIN % HOURS BY OPERATIONS MANAGER OR HIS REPRESENTATIVE.
6.1 Comparisons with allowable ranges of test values and analysis of deviations complete.
6.2 Any requirements for corrective action?
Yes No (If yes, give details in the remarks section.)
6.3 Data analyzed by Time and date Remarks:
Page 12 of 18 CONTINUOUS USE
NUCLEAR POWER BUSINESS UNIT IT 04 INSERVICE TESTS MAJOR Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997
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(QUARTERLY)
TOTAL REWRITE UNIT 2 ATTACHMENT A DATA S11EET 2P 10A, LilSI PUMP
= PARAMETER Note 4 INSTRUMENT
' UNITS READING Pump Static Suction Pressure 2PI-653A psig Corrected Pump Static Suction Pressure Note 2 psig
- Pump Suction Pressure @ 1560 gpm 2PI-653A psig Pump Discharge Pressure @ 1560 gpm 2PI-655A psig Corrected Pump Suction Pressure @ 1560 gpm Note 2 psig Pump Differential Pressure @ 1560 gpm Note 2 psid Loop Temperature 2TI-622A
'F Inboard Vertical C
Note 1,3 ips Pump Bearing Horizontal D
Note 1,3 ips Vibration Axial E
Note 1,3 ips Outboard Vertical A
Note 1,3 ips Bearing Horizontal B
Note 1,3 ips Pump Seal Leakage Note 5 Drops / Minute Pump Coastdown Behavior Check (V) if OK N/A N/A d
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3..
. INSERVICE TESTS
. MAJOR lU Revision 35
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' LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 I
(QUARTERLY)
TOTAL REWRITE UNIT 2 l
ATTACHMENT Al DATA SHEET 2P-10A LHSI PUMP
' NOTE:
Flow must be adjustedpreciselyfor the requiredflow value, then suction and discharge pressure data observedsimultaneously.
Flow (gpm)-
Suction Pressure Discharge Pressure 2FI-660 (psig),2PI-653A (psig),2PI-655A 400 800 1200 1800 Page 14 of18 CONTINUOUS USE
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NUCLEAR POWER BUSINESS UNIT IT 04 INSERVICE TESTS MAJOR Revision 35 LOW IIEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE 4
UNIT 2 i
ATTACilMENT B
[
DATA SIIEET 2P 10B, LHS! PUMP PARAMETER.
Note 4 INSTRUMENT UNITS READING i
Pump Static Suction Pressure 2PI-653B psig
. Corrected Pump Static Suction Pressure Note 2 psig Pump Suction Pressure @ 1560 gpm 2PI-653B psig Pump Discharge Pressure @ 1560 gpm 2Pl-655B psig Corrected Pump Suction Pressure @ 1560 gpm Note 2 psig Pump Differential Pressure @ 1560 gpm Note 2 psid Loop Temperature 2TI-623A
'F Inboard Vertical C
Note 1,3 ips Pump Bearing Ilorizontal D
Note 1,3 ips Vibration Axial E
Note 1,3 ips Outboard Venical A
Note 1,3 ips Bearing Horizontal B
Note 1,3 ips Pump Seal Leakage Note 5 Drops / Minute l
Pump Coastdown Behavior Check (5 if OK N/A N/A l
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INSERVICE TESTS MAJOR Revision 35
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LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRI' UNIT 2 ATTACHMENT B1 DATA SHEET 2P-10B LHSI PUMP NOTE:
Flow must be adjustedpreciselyfor the requiredflow value, then suction and discharge pressure data observedsimultaneously, l
i Flow (gpm)
Suction Pressure Discharge Pressure 2FI-660 (psig),2PI-653B (psig),2PI-655B 400
~
800 1200 1800 i
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INSERVICE TESTS MAJOR Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 (QUARTERLY)
TOTAL REWRITE 1
UNIT 2 i
1 NOTE 1: Log identification number ofportable instrument being used.
l NOTE 2: Correctedpump suction pressure = pump suction pressure read on gauge +11. 7 psi.
Pump ds/ferentialpressure =pung dischargepressure - correctedpump suction pressure during test.
. NOTE 3: Vibration readings will be taken at Locations A, B, C, D & E, as shown on Figure 1.
NOTE 4: Bearing temperature data is not required to assess pump operabilityper ASME, Section XL ifbearing temperature is required as a post-maintenance test, then the temperature monitoringpoint should be as shown on Figure 1for locations A, C, E & F. Ambient air tenperature should be measured at approximately onefoot above thepump inboard bearing.
1 NOTE 5: Submit a WO ifsealleakageis 2:30 drops / minute after 15 minute run time.
L i
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i l
1
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NUCLEAR POWER BUSINESS UNIT IT 04 INSERVICE TESTS MAJOR Revision 35 LOW HEAD SAFETY INJECTION PUMPS AND VALVES April 7,1997 l
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TOTAL REWRITE UNIT 2 A
FIGURE 1 - RHR PUMP R
i i
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g
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v i
,,.,..a V8 b
L t
ti i
{
I 3
4
=e
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3) t:-f 4n 1
Q g
<=m 1
t
( :
R g'
E
.o =
tE s
n ua L
i t
R 4
- a -
g I
1 c-o R
u o
(
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w e
_l Page 18 of18 CONTINUOUS USE j