ML20096F104
| ML20096F104 | |
| Person / Time | |
|---|---|
| Site: | 05200001 |
| Issue date: | 04/29/1992 |
| From: | Fox J GENERAL ELECTRIC CO. |
| To: | Burton B NRC |
| References | |
| NUDOCS 9205200192 | |
| Download: ML20096F104 (36) | |
Text
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- C p aw n c c recucna eth 3 Q'!cy-4, O
GEAiudewEtwgy ABWR Date 4/z9/s*-
Fax No.
To S u4.L BwAw Thispage plus 3A page(s)
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- Mait code __ _
From 175 Curtner Avanuo San Jose, CA 95125 FAX (408) 925-1193 Phone (403) 025-or (408) 925-1687 Subject A B W (2.
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le 9.2.8 Makeup Water (MWP) System (Preparation)
This subsaction providas a conceptual design of the makeup water preparation system os required by 10CFR52.
The inter-f ace requirertents f or this system are part of the design cor-tification.
9.2.B.1 Safety Des 19n Bases (Interface P.equirements)
The MWP system has no safoty-related function.
Failure of the system does not coricomise any safety-related system or component, nor does it pre"ent a safe shutdown of the plant.
9.2.8.2 Powor Oeneration Design Bases (Interfaco Require-monts)
(1)
The MNP system consists of two divisions capable of producing at least 200 gpm et demineralized vator cach.
(2)
Stoiago of deminerali:ed water shall t>e at least 200,000 gallons.
(3)
The quality of the demineralized water shall neet the requirements in Table 9.2-2a.
(4)
Domineralized water shall te provided at a minimum flow rate of approximatcly 600 gpn at a temperature betwoon 50 to 100 F.
(5)
The MWP system is not connected to any systems having the potential for containing radicactive material.
(6)
The MWP system providec 200 gpm of filtered water to meet maximum anticipated peak demand periods for the Po-table and Sanitary Water System.
9.2.8.3 System cascription ;cenceptual Decign)
The MWP system consists of both mobile and por: anently in-stelled water treatment systems.
The permanently installed system consists of a well, filters, reverse osmosis modules and demineralizers which prepare h mineralized water from well water.
The demineralized water sent to storace tanks unti'. it is needed.
Pumps are pro-vided to keep the.?ekeup water distribution system (MUWP) pressurized at all times.
All components except storage II-
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tanks are arranged in two independent divisions.
The components of the MWP system are listed in Table 9.2-15 and the syste: bicek flow diagram is in rigure 9.2-10.
While it is planned to install both pernanent divisions, only one division may be installed if plant water requirements and econonic conditions indicate that the second division will not be needed.
Mobilo water treatnent systems will be us.d before the perma-nont system is installed and later if water requirements exceed the capacity of the permanent system or if economic condition make use of mobile aquipment attractive compared to operating and maintaining t' e p - war.c"t system.
9.2.8.3.'.
Well System two wol. Water forwarding A well, well water storage tanr, a
pumps art provided which can produm sufficient water to moet the concurrent needs of the makeup 'fater preparation system and the potable and sanitary water system.
9.2.8.3.2 Pretreatment System Two dual media filters are provided in parallel which are backwashed Phen needed using une of two backwash pumps and water from a filtered water storage tank.
This tank is pro-vided with a heater to maintain a water temperature of at least 50 F at all tiraes.
Water may be sent from the filtered water storage tank to the Potable and Sanitary Water System or to the next components of the MWP system.
9.2.8.3.3 Reverse Osmosis MO,1ules Chemical addition tanks, numps and controls are provided to add sodium hexametaphosphaue and sodium hydroxide to the fil-tered water.
Four high pressure, horizontal multistage reverse osmosis (RO) fend pumps provide a feed pressure of approximately 440 psig.
'.teverse osmosis membranes are arranged in two parallel divisions of two passes eacn with the permeate of the first passes (toing to the inlet of the second passes.
The reject or brine from the first passes are sent to the cooling tower blowdown by gravity.
A chemical addition tank, two pumps and controls Oro provided to add sodium hydroxide to the permeate of the first pass.
The reject from the second paeses is re-cycled to the RO feed pump suction line.
The permeate from the second pass is sent to a Ro permeate storage tank.
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l 9.2.B.3.4 Demineralizer System 1
Two dominerali:er feed pumps are provided in each parallel division.
Three mixed bed demineralizers are provided in j
parallel in each division with two normally in operation with the third in standby.
The demineralized water is monitored and sent to the domineralized water storage tanks.
9.2.8.3.5 Domineralized Water Storage System Two domineralized water storage tanks are provided with a 0
heater to maintain a water temperature of at least S0 F at all times.
Three domineralized water forwarding pumps are previded to send water to the MUWP system.
9.2.6.3.6 Makeup Water Preparation Building A building is provided for all of the subsystems listed above except for the well water storage tank and the demineralized water storage tanks which are located outdoors.
The building is provided with a heating system capabic of maintaining a least 50 F at all times.
l temperature of at The building does not contain any safety-related structures, systems or components.
The MWP system shall be designed so that any failure in the system, including any that cause
- flooding, shall not result in the failure of any safety-relatred structure, systen or component.
The building has a large open area about 25 feet by 40 feet with truck access ' doors and services for mobile water pro-
. cessing systems.
These services include electric power, ser-vice air, connections to the water storage tanks and a waste connection.
This area will be used for mobile water treat-ment systems or storage.
9.2.8.4 System Operation (Conceptual Design) 9.2.8.4.1 Normal Operation During normal operation, the veil pump is controlled by a water level controller to keep the well water storage tank full.
The well' water forwarding _ pumps are controlled by a water level - controller to keep the filtered water storage tank full.
Normally, one filter will be operating with the
-other filter in etandby.
The second filter is started from the control building or is automatically started by a low water is v'e l in the filtered water storage tank.
When any filter develops a high pressure drop, it is isolated and any l
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standby filter is put into operation, one of the two backwash pumps is operated to backwash the filter.
The backwash is sent to the cooling tower blowdown by gravity.
Sodium hexametaphosphate is added to control calcium sulfate or other fouling in the RO membranes and sodium hydroxide is added to adjust the pH fo: RO treatment.
The RO feed pumps are controlled by a water level controller which keeps the RO permeate storage tank full.
These pumps feed the water through both RO passes.
The RO membranes are of the. thin film composite type.
The first pass permeate which becomes feed for the second pass has a pressure of about 200 to 250 psig.
Sodium hydroxide is added to the first pass perm
- ate to adjust the pH to improve dissolved solids rejection in the second pass.
The domineralizer feed pumps are controlled by a water level controller in the domineralized water storsge tanks.
Each deminerali:er contains 40 cubic feet of ion exchange resin in a cation / anion ratio of 1 to 2.
When the effluent quality of j
a demineralizar becomes unsatisfactory, it is automatically removed from operation and the standby dominerali:er is auto-matica11y put into cperation. The exhausted resins are regen-
)
ersted offsite.
The demineralized water forwarding pumps are controlled by a pressure switch in their discharge piping.
Normally, one pump is operated to maintain a specified system pressure.
When the pressure _ drops belov a specified pressuro, the second pump is automatically put into operation until system pressure returns to the normal range.
If this does not occur, the third pump is automatically put into operation.
]
9.2.8.4.2 Abnormal Operation During the early construction period and at certain times later, the makeup water preparation system may either not be installed or may not be in operation.
Also, there may be times when demineralized water '.equirements exceed the pro-duction capacity.
During these periods, mobile water treat-ing systems will be_used.
They will be transported to the site by_ _ truck and will enter the ma".eup water preparation building _through large.
When no longer required they will be-
- removed, i
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i 9.2.S.5 Evaluation of Makeup Water Preparation Performance
(~nterfaco Requirements)
Tho' applicant referencing the ABWR design shall analyse the raw water quality and availability and the required makoup water quality and amounts to assure that these requirements can be met._
Any deficiencies in either quality or production capability shall be mot with nobile water treating systems, t
9.2.8.6 Safety Evaluation (Interface Requirements) t There are no safety requirements.
9.2.3.7 Instrumentation and Alarms (Interfaco Requirements)
Ono division of MWP components is normally in operation.
The
- conponents of the standby division are automatically _ placed e
into operation upon receiving a low level signal from their downstream water _ storage tank.
The following shall be displayed and alarmed locally and in the control buildingt Water level in all water storage tanks Running status of all pumps System pressures and differential pressures associ-i ated with the filters and RO modules
~
Water quality nonitcrs, including conductivity, pH, turbidity and silica analy: ors
'All water storage tanks are provided with low-low water level switches which stop the forwarding pumps for that tank.
- 9. 2. 8. 8 - Tests nnd Inspections (Interface Requirements)
The applicant referencing the ABWR design shall preparo and' perform a preoperational test program and testo in accordance with the requirements of Chapter 14.
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Table 9.2-15 1
MAKEUP UATER PREPARATION SYSTEM COMPO!4E!4TS (Interface Requiremonts)
All tanks-aro vertical, cylindrical type.
All water pumps are horizontal, centrifugal and-single stage except the RO feed pumps.
All chemical feed pumps are positive displace ~
mont, diaphragm type.
Component Major Design Features
.........----~~------.....-
Well Capacity at least 2,000 gpm Well Water. Tank Capacity 10,000' gallons Well Water Pumps Quantity two Capacity.
1,000 gpm each Filters Quantity two Capacity 1,000 gpm each Type Pressure type, dual media Filtered Water Storage Tank Capacity 40,000 gallons Backwash Pumps Quantity _
two Capacity 2,000 gpm each Head 90 feet RO Feed Pnmps Quantity four Type Horizontal, multistage capacity 200'gpm each Head 400 to 500 psig RO-First Pass Quantity two Type 2 to 1 array of thin film com-posite membranes Capacity 300 gpm perreate each with 25 %
L rejection l'
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Componont Major Design Features
--~~......--.........--..--
RO Soco:.a Pass Qudntity two 1 to 1 array of thin film com-Type posita membranes capacity 200 gpm permoata cach with 33 %
rejection RO Permeate Storage Tank Capacity 5,000_ gallons Demineralizer Feed Pumps Quantity four Capacity 100 gpm each Head 230 feet Damineralizers Quantity six Capacity 100 gpm each Resin 40 cubic feet of 1:2 cation / anion resin each Domineralized Water Storage Tanks Quantity two
~ Capacity 100,000 gallons each Demineralized Water For-warding. Pumps Quantity three Capacity 200 gpm each
. Chemical Feed Tank (NaHMP)
Capacity 200 gallons Chemical' feed Pump (NaHMP)
Quantity two Capacity 10 gph each Chemical Feed-Tank (NaOH)
Capacity.
400 gallons Chemical Feed Pump (MaOH)
Quantity four (three normally operating with one spare)
Capacity 10 gph each
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FIsuRE 9.2-10 f1AKEUP HATER PREPARATION SYSTEM O
BLOCK FLOW OIAGRAM (INTERFACE REQUIREMEf4TS)
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PoTAulE WATER SYSTEt4 2
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WASTE L
'WELL WELL' FILTERED RD M"
WELL WATER WATER
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FILTER WATER jgj >
FEED TANK Pune(2)
(2)
TAux Pump (4)
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BACKWASH NAllMP 3;
NA0H l
p PutIP
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f (2)
ADDH.
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h WASTE R0 RD R0 PER,
OEMIN.
OEMIN.
(6)
FEED f
SECOND f
MEATE j
FIRST fg PUMP (4)
Pars (2)
PASS (2)
Taux s,
.4A0ii Anon.
(2) i a
OEMIN.
OEMIn.
MUWP 5
3 WATER
,D WATER
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SYSTEM
'f y
Tank (2)
Put4P (3)
NADH (SooruM stvoRoXIDE) l'4 NAHHP (SODIUM HEXAMETAPitOSPHATE)
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- 3A6100AH Standard Plant nvs 92.12.4 Tests and Inspections signal. Condenser water is provided frotn the turbine building cooling water system. Tt.e Initial testing of the systern includes perfor-three way valve on the chilled water circuit mance testing of the ch:11ers, pumps and coils controls the temperature of the chilled water to for conformance with design heat loads, water the cooling coils from the areas thermocouple flows, and heat transfer capabilities. An intc-coctroller The thermocouples are located in pity test is perforrned on the system upon each area being cooled. The control room completion, operato e position during led water irosision is made for periodic inspection of return t alarmed.
major components to ensure the capability and Alterna valves, a lategrity of the systera. Local display devices ficw co) are provided to indicate all vital parameters required in testing and Inspections.
Remc ilation of any dry at of the The chillers are tested in accordance with coil de*
ASHRAE Standard 30 (Methods of Testing for Rating Liquid Chilling Packagesh The pumps are tested 9.2.13 HVAC Emergency Cooling Water in accordance with standards of the Hydraulic System Institute. '.SME Section Vill and TEMA C stan.
dards apply to the ASHRAE Standard 33 (Methods of 9.2.13.1 Design Basis Testing for Rating Forced Circulation A!r Coolicg and Hesting Coils).
9 2.13.1.1 Power Generation Design Esses Samples of chilled water may be obtained for The HVAC emergency cooling water system chemical analyses. Radioactisity is not expected (HECW) (safety.related) shall provide chilled to be in the chilled water, water under nortral plant operating conditions to the cooling coils of the main control room air 9.2.12.5 Instrumentation Application conditioning units, to the diesel generator zone coolers, and to the control building :-
ntial A regulated supply of demineralized makeup electrical equipment room cooling coils. See water adds water to the turbine building cooling Table 9.2-9. The supply temperature is water TCW expansion tank by water :: vel controls, 44.6 F tbc return temperature is o2.6 F.
and the chiller units are con trolled indi-vidually by remote manual switches.
9.2.13.1.2 Safety Design Bases A temperature controller and flow switch The HECW system performs a safety design continuously monitor tbc discharge of the evapo-function.
rator, if the temperature of the chilled water dropr, below a specified level, the control auto. (1) The HECW sptem shall deliver chilled water
'natically adjusts the temperature controlinlet to the control building essential electrical guide vanes of the chiller compressor. Flow equipment room coolers, the diesel generator switches prohibit the chiller from operating un-zone cooler,, and the main cor"rol room less there is waP flow through both evaporator coolers during shutdown of the reactor, and condenser.1 e Section 3.11 for temperature operating modes and abnormal reactor reouirements, in case of a chiller or pump trip, conditions including LOCA.
the 9andby units are automatieslly started.
(2) Sufficient redundancy and electrical and Chilled water flow into and out of the mechanical separation shall be provided to centainment is controlled by isolation valves ensure proper operations under all condi, which shall be automatically closed after a LOCA tions.
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(3) The system shall be designed and constructed coattelled by a temperature coctrol valve. T.he in accordance with Seismic Category 1 ASME bA6ww-est dt,11f1MALOMeies Land-code.Section III. Clus 3 requirements.
DF:: H1mes esF!'"$..One cou ;: esser ir 2:
H..ii ;mi' while ths.other is on-(4) The system shall be pov ered from Class 1E Haedyr Condenser cooling is from the buses.
corresponding division of RCW.
(!) The HECW system shall be protected from Pjping and valves for the HECW system, as
-i missiles in accordance with Subsection well as the cooling water lines from the RCW f
3.5.1.
system designed entirely to ASME Code, Section
!!!, Class 3, Quality Group C. Quallty Assurance (o) Design features to pitclude the adverse B requipements. The extent of this effects of water hammer are in accordance classification is up to and including drainage
-i with 'the SRP section address!ng the block valves. There are ne/ primsry or resolution of US! A 1 discussed in secondary containment penetrations within the NUREG 0927.
system. The HECW system is not expected to contain radioactivity.
j These features shallinclude:
liigh temperature of the returned _ cooling [T f
water causes the standby c4aue/Enit to start (a) an elevated surge tank to keep the system filled; automatically. Makeup water is supplied from the MUWP systein, at the surge tank. Each surge (b) vents provided at all high points in the tank has the capacity to replace system water losses for more than 100 days during an systeta; emergency.
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(c) after any system drainage, venting is assured by personnel training and 9.2.13.3 Safety Evaluation procedures; and The HECW system is a Seismic Category 1 (d) system valves arc slow acting.
system, protected from flooding and tornado missiles.. All components of the system are desi ned to be operable during a loss of normal p) The HECW system shall be protected from 6
failures of high and medium energy lines as power by connection to the ESP buses. Redundant discussed in Section 3.6.
components are provided to ensure that any single componen failure does not preclude sys.
- 9..13.2 System Description tem operation, e system is designed to meet the requirements of Criterion 19 of 10CFR50 Each chiller is isolated in a separate room. Mfhh The HVAC emergency cooling water system consists of redundant subsystems in three pig gggw~$
dLvisions. E-;d. E"'M::::b: e two 50% 9.2.13A Tests and inspection po N r units, two 50% pumps,instrumentatha and
' distribution piping and valves to corresponding Initial testing of the systern incl disJ.Qh L
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-coolin, coils. A chemical addition tank is formance testing of the, Ween,#purnpa and
' shared by all HECW dhisie-5. Each HECW division coils for conformance with design capacity water i
g shares a surge tank with the corg~
o di flows and heat trsusier capabilities. An inte4 g i division of the RCW jygem. The grity test is performed on the system upon-h is designed to cooIL. M-; veri:t ;;a completion.
<(MJ WH= M: 6: ::: :h h::Hecd ;J the main ccere! ree.wn-naedillst, -
The HECW system is designed to permit periodic in service inspection of all system Equipment is listed in Table 9.2 9. Each "omponentr to assure tht integrity ard coolin5 coil has a three way valve controlled by capability of tJ;c gystem, 3
l a' room thermostat. Alternately, flow may b
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tusEAT A + rhe only ncn-saroty-related portions of the ittew divisions are ?.ho chtmical addition tank and the piping from the tank to the safety related valves which isolate the safety re-lated port. ions of the systen.
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cPR 29 '?I 04: 47PM G C f OCLEAR,BLIG J P.1F 3 nA61;oAH tN M uv s Standard Plant The HECW' system.s desi ned for petiodic l pressure and functional testing to assure: (1) the structural ~ and lenktight integrity by visual
' inspection of the components; (2) the operability and the performance of the active components of the systam; and (3) the operability of the system as a whole.
Local display devices are provided to indicate all vital parameters required in testic; and inspections. Standby features are periodically tested by initiating the transfer sequence during normal operat,lon.,
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'Thes are tested in accordance with ASHRAE Standard 30. The pumps are trsted in accordance with standards of the Hydraulic Institute. ASME Section VIII and TEMA C standards apply (te the heat exchangers. The cooling coils are tested in accordance with ASHRAE Standard 33.
9.2.13.5 Instimmentation Application A regulated supply of makeup water is proVid?d to add purified water to the surge tanks by water level controls.'
The chilled water purnps are controlled frg4'Mor-
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the meis control panel. The standby --
equipped with an ioterlock which automatically starts the standby ebitier*and pump upon failure of the openting unit /s c9 dtstruc B o. JC, r ebmW The.d.W.+c units can h controlled indivi-dually from the main conttol room by a remote
=anual switch. Chiiled water temperature is controlled by in!st guide vancs on each chiller refrigerant circuit. Condenser water flow is controlled by a three.way valve to provide constans inlet condensate water temperature.
A temperature controller and flow switch continuously monitor the discharge of each G
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Stpdard Plant TABLE 9.2 8 HECW SYSTEM COMPONENT DESCRIPTION f
HEDV Chillers 1)pe Centrifugal hermetic Quantity
[6 (O'; --, _.-2, ---Q l0e 1 *>
't Capadty(refrigeration) 165 x 1/8 BTU /h each two
' ** ; ;f "*"]lL Ea-Dwq LSb Chuled water pump flow '!aur 2a8 gpm each
.w N ;- rd Supply temperature 44.6'T Condenser water flow
$64 gpm each W
Supply temocratme (mar.)
OS*F
. Condenser Shell and tube l Evaporitor Shell and tube w
}gCW Water Pumns Quantity.
84 gpm each.
2--1% yy..e Type Centnfugal, horizontal
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woui ABWR pgy,,,3 Standard Plani TABLE 9.2 9 IIVAC EMERGENCY C001.ING WATER SYSTEM HEAT LOADS NORMAL DIERGENcy liest Chilled llcat Chilled Load Water
- 1. cad Water 6
- gjo, (x106 glow (110 DIVISION SYSTEM BTU /h)
(gym)
ITIV/h (spm)
A fosain control room L33 12$ llI 1.25 M6(0
.c 0.S3 62 0.83 62
[ dieselgenerator zone (A)
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controlbuilding 1.19 88 1.19 S8 elect eq.
t room (A)
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g.0 7 ISO z.01-is O Total
.MP
.;~#
3.T7 36 g
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B diesel generator 036 HM 0.86
.efV zcne (B) controlb]dg.
1.19 89 1.19 SS clect eq.
g(d r
room (D) g&
Tr$
W 3 '~l Total Et 154-243 1(W l
C main control-135 1M U J 1.25 at% 10'l i
room b
.9 $T 0.86 e
diesel generator 0.86 zone (c) controlb1dg.
L19 SS 1.19 Sa elect. eq.
room (C) 26f la 2fb Total 3.40 W6 3.30 b
I' 92-:3 Mendmem 17 a_r
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. mR 29 '92 - cairm G t tu, cm BLIG J P.16 m A.BWR nu m Standard hant arv s Tabis:9.210 HVAC EMERGENCY COOLING './ATER SYSTE.\\i ACIIVE FAILURE MALYSIS y se l
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Failure of ditsel generator tc, Loss of one refrigeja[or and ei pump in ydivision would not start or failure of all power to a primit sendits chilled water pd)p single Class IE power s> stem bus i
the main control roorn.*The a. <,
other HVAC emerseccy cooling M
water (HECW) division would send cMl!cd water to the main control room which would 1
maintain adequate cooling.
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F a ilu r e of auto pump or Same analysis u above l
refrigerator signal i
Failure of 2 $1ngle H ECW
. tame analysis u above refrigerator
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Failure of a single HECW pump Same analysis as abose Failute of HECW pump and Same analysis as above refrigerator reora coolin6 f
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evaporator. if toe temperature of tbc chilled heat exchanger, water drops below a specilled level, the controlle summatkally adjusts the position of 9.2.140 System DescripHon tbc compressor inlet guide vancs. Flow switches prohibit the chiller from operating unless there 92.142.1 General Description is water flow through both evaporator and condenser.
The TCW system is illustrated on Figure 9.2 6. The system is a single loop system and 9.2.14Turb!ne Building Coollr.gWater System consists of one. surge tank, one cheml a#ttien tankywo pumps with a capacity of '
d e
9.2.14.1 Design Bues 29,000 gym each, two heat exchangers with heat i
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removai _ capacity of_130 x 108 Btu /h each.
9.2.14.1.1 Safety Design Bases (connecteo in paralley, and associated coolers, piping, valves, contrJs, and instrumentation.
The turbine building cooling water (TCW)
Heat is removed from the TCW system and system werves no safety function and h.ts no transferred to the non safety related turbine safety design basis.
service water system (SubF ' on 9.2.16).
E!
There are :o connections between the TCW A TCW system sample is periodically taken 3 l system and any other safety.rchted systems.
for analysis to assure that the water quality meets the chemical specifications.
92.14.1.1 Power Generation Desten Bases 92.1420 Component Description (1) The TCW system provides corrosion inhibited, demineralized cooling water to all turbine Codes and standards appilcable to the TCW island auxiliary equipment listed in Table
- 5. stem are listed in Table 3.21. The system is 9.2 11.
designed in accordance with quality group D spectilcations.
(2) During power operation, the TCW estem operates to provida a continuous supply of The chemical addition tank is located in ibe cooiing water, at a maximum temperature of turbine building in close proximity to the TCW 1050 F, to the turbine island auxillary system surge tank, couipment. with a service water inlet 50 temperature net cxeceding 95o F, The TCW pumps are KMo capacity each and are constant speed electric motor driven. horizontal (M The TCW system is designec to permit the centrifugal pumps. The two pumps are connected {
maintenance of any ningic active component in parnilcl with common suction and discharge without interruption of the cooling
- lines, 6C function.
The TCW heat exchangers are 140% capacity (d) Makeup to the TCW system is de. signed to cach and are designed to have the TCW water permit continuous system operation with circulated on the shell side and the power cycle design failure leakage and to permit heat sink water circulated on the tube side.
expeditious post.rnaintenance system refill.
The surface area is based on normal heat load.
d.) The TCW system is designed to have an The surge tank, which is shared between the atmospheric surge tank located at the HNCW and TCW systems. ls an atmospheric carbon highest point in the system, steel tank located at the highest point in the TCW system. The surge tank is provided with a (6) The TCW system is designed to have a higher level control valve that controls makeup water pressure than the power cycle heat sink addition.
water to ensure leakage is from the TCW system to the power cycle heat sink in the The surge tank is locat:d above the TCW pumps event a :ube leak occurs in the TCW system and heat exchargers in the turbine building in a 9.2 10 Amenameat 23 1-uv c.za m
?:~
APR I? '92 0414GPt1 G E ItJCLCAR BLDG J p, gg.,37 lHS%ET
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of 65 x 10 Stu/h each, i
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P.19<?e EC? '92 ' C414 BPM G E !LCLEAR ELDG J' t
MM m uxan EtanAntd Plant erv n location away from any safety.rclated l,
i components. Failure of the surge tank will not affect any safety related systems.
4 Those parts of the TCW system in the turbine 3
building are located in steas that do not contain l any taf ety.r elated systems.
All safety related systems in the turbine building are located in special areas te prevent any damage frem non safety.related systems during seismic events. Those parts of the TCW sys:em outside the turbine buildinE are located twty from any safety.r: lated systems.
9.1.14.:.3 Sptem Opcration 4WD
. Darirg normal power operarm. ewe of tbc l Wl% capacity TCW sptem pumps circulate
%ec 50 l
l l
l 9.2 10.2 Amecoment 18
- ,,,,r.,
.c s :
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=,
AFR !? '92 Del.s?PM G E JUCLEAR PLDG.J P.IO G ABWR.
muom g g %ee N uv n Standard Plant t
3
- u. m i.e -
A nhibited demineraliac ster through the shell sysbes are preoperationally tested in l
_ l side of_ : : c' &. ;.St capacity TCW heat accordance with the requirements of Chapter 14.
l exchangers in service. The heat from the TCW system is rejected to the turbine service water The components of the TCW tystem and s
system which circulates water on the tube side of associated instrumentation are accessible during the TCW system heat exchangers.
plant operation for visual examination.
Periodic inspections during normal operation are The standby TCW system pump is automatically made to ensure operability and integrity of the started on detection of low TCW system pump system. Inspections include measurementa of discharge pressure. The standby TCW system heat cooling water flows, temperatures, pressures, i
eachanger is placed to service saanually, water quality, corrosion erosion rste, coastof positions, and set points to verify the system The cooling water flow rate to the condition, electro. hydraulic control (EllC) coolers, the turbine lube oil coolers and aftercoolers, and 92.14J instrumentation Application generator exciter air cooler is regulated by-control valves. Control valves in the cooling Pressure and temperature indicators are water outlet from these units are throttled in provided where required for testing and response to temperature' signals from the fluid balancing the system. Flow indicator taps are being cooled, provided at strategic points in the system for initial balancing of the flows and verifying The flow rate of cooling water to all of the flows during plant operation, other ctolers is manually regulated by individual throttling valves located on the cooling water Surge tank high and low le.. and TCW pump outlet from each unit.
discharge pressure alarms are retransmitted to the inain control room from the TCW local control The minimum system coolleg water temperature panels.
is maintaised by adjusting the TCW system heat exchanger bypass valve.
Makeup flow to the TCW system surge tank is initiated automatically by low surge tank water The surge tank provides a reservoir for level and is continued until the normal level is small amounts of leskage from the system and fer rerstablished.
the expansion and contraction of the cooling fluid with changes in the system temperature and Provisions for taking TCW system water is connected to the pump suction.
samples are included.
Deminerslized makeup water to the TCW system is controlled automatically by a level control 9.2.15 Reactor Service Water System
_(g valve which is actuated by sensing surge tank e
level. A corrosion inhibiter is manually added 92.15.1'i Design Rases 3
to the system.
1 92.15.1.1 Safety Design Bases g
92.14J Safety Daluation (1) The reactor service water (RSW) system The TCW system has no safety design bases shall be designed in three divisions to and serves no safety function, remove beat from the three divisions of the reactor cooling water system which 94.14A Tests and inspections is required for safe reactor shutdown.
~
and which also cools those auxiliaries All major components are tested and whose operation is desired following a inspected as separate components prior to LOCA, but not essential to safe installation, and as an lategrated system after shutdown.
installation to ensure design performance. The (2) The RSW systern shall be designed to 9.2 t t Amendmem tl 1
_,.. ~. _ _.. _ _
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g y.;(
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P' 29 '?! 04:49PM G E textcm DLtc J p,gg g t
itJ$s A 6.
> 9.2.15.1 Portions Within Scopo of ABWR Standard Plant Those portions of the Reactor Servico Water System (RSW) that are within the control building are in the scope of the ABWR Standard Plant and are de-scribed in Sections 9.2.15.1.1 through 9.2.15.1.5.
All portions of the R$W system which are outside the control building are not in the scope at the ABWR Standard Plant.
i l
1
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@c 29 '92 mwt1 G t tocLtm twG J p,z; 2 o'
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uv s Standard Plant Seismic Category 1 and AShtE Code, applied to electrical equipment and Section III Class 3 Quality Assuruce instrumentation and controls as well as to j
B, Quality Group C. IEEE 279 and mechanical equipment and piping.)
IEEE 308 requircr:ents.
j (1) flooding, sprayioi; or steam release due (3) The RSW system shall be protected from to pipe rupture or equipment failuret flooding, spraying, steam impingement, pipe whip, jet forces, missiles, fire (2) pipe whip and jet forces resulting from and the effect of f ailure of a,ny']
postulated pipe rupture of nearby high non. Seismic Category I equipment, ag energy pipest
- required, h
(3 mnsiles which result from equipment (4) The IISW sptete wiudl be designed to meet f ailure; and tbc foregoing design bases during af loss of preferred power.
- 6) fire, hg'gf. l A
- 2' 4 9.d5M Power Generstion Design Esses Liquid radiation monitors are provided in the
^
RCW system. Upon detection of radiation leakage The RSW system shall be designed to cool tb In a division of the RCW system, that system is reactor building cooling water (RCW) as required isolated by operator action from the control during: (a) normal operation; (b) emergency room, and the cooling load is met by another shutdown; (c) normal shutdown; and (d) testing. division of the RCW system. Censequently, radioactive contatnination released by the RSW
@ 7'ffl, %
system to the environment does not exceed
.S.Mi& Systern Description allowable !!mits defined by 10CFR100.
The RSW system providas cooling water during various operating modes, during shutdown and System low point drains and high point vents post LOCA operations. The sptem removes beat are pruvided as required.
g from the RCW system and transfers it to tne utdraata heat sink. Figure 9,2 7 shows the RSW hstem components and piping raaterials are system diagram. Component descriptions are. Lelected to be compatible with the available provided it. Table 9.213.
Q site cooling water in order to minimiec
-m_
', corrosion. Adequate corrosion safety factors ate used to assure the integrity of the system
[ abnormally high'or low water levels and steps are 3The RSW system is ab!c to func d,uring the lifge plkot, taken to prevent organic fouhng that may degrade system performance. These steps include trash f Durirg all plant operating rnodes nach tacks and provisions for blocide treatment (where division shall have at least one service water discharge is allowed). Where discharge of purop operaticig. Therefore, if a LOCA occurs, biocide is not allowed, nou. biocide treatment the system is already in oper: tion. If c loss will be provided. Thermal backwashing capability of offsite power occurs curing a LOCA, the pumps will be provided at sea water tites where, momentar!!y stop until transfer to standby infestations ei macrobial growth can occur.
' diesel generator power is completed. The pumps are restarted automatically accor fing to the See Subsection 9.2.17.4, items (1), (2) and dicsci(ceding sequence. No operator acticn is regidreA following a LOC /o to start the RSW (3) for interface requirements.
/
f syssrn in its LOCA opc:a() roode.
^ - - ~ ~ ~ ' ' '
L
-ulk3 Safety Evaluation Ses Subswion 9.S.M.4, items (4) and (5) l l
g,jg, /. 3 l
The components of the RSW system are for interfac; requirements.
~/
l separated and s 'ected to the extent necessary
(
to assure tha aufficient equipment remains MIM Testbg ard tuspection itequirements operating to permit shutdown of the unit in the 1,2.6. /. 'i event of any of the following (Separation is The P.$W synem is designed for periodic L
pressure and functional testicg to assure:
9.2 12 Amendmem 18 g
rM E9 '92 04 50R1 G C fECLCM R.DG J G IS 4p e t ^
ABWR mowi Standard Plant m
m
_1) the structural and leaktight integrity (3) The 'I3W system is designed to ye - itthe
(
by sisible inspection of the compunentst mainterance of any single acaive
/
cornponent without intm
- 2the (2) thI opera)4'ty and the performance of cooling function, active b/ components of the systemt ant!
4,2.16.l. 2.
\\
/
9.2dit $ptem Description (3) theNferability of the s) stem as a y.J./f. /. 2 d whole.
4M&.ht General Description The tests shall assure. under conditions as The TSW system is illustrated on Figure close to design as practical, the performance of 9.2 8.
the full operational sequence that brings the system into operation for reactor shutdown and The TSW pumps take suction from the power for LOCA, including operating of applicable cycle heat sink and supply cooling water to the portions d :he reactor protection system and the tube side of the TCW heat exchangers. The heat transfer between normal and standby power triected to the TSW system is discharged to the sources.
power cycle heat sick, e
4' cf % lflf 4&H:r instrumentation and Control Piping and valves in the TSW system are \\
estbon or low alloy steel and are protected from f
Requirements
' interior and exterior corrosion with suitable corrosion resistant material as required by site Locally mounted temperature indicators or (geific soil and water conditions, test wells are furnished on the equipment cooling water discharge lines to enable verification of 9 2.r6.I2 2 ponent Description
-9Altit Com specified beat removal during plant operation.
]C 9.2.16 Turbine Service Water Systern The Tsw system censists of two 100% capacity vertical wet pit pumps located at the intake The tutbine service water (TSW) system structure. One pump is in operation during supplies cooling water to the turbine coolinj normal operation with one pump on standby.
water (TCW) system heat exchangers to transfer f-heat from the TCW system to the power cycle heat Two 100% capacity duplex strainers are smk.
provided (one for each TSW pump). Euch half of h
the Juplex strginer is designed foi the design 9.2.16.1hesign Buses fiow of one TSW pump. Only one half of each
(
l duplex strainer is in operation when its s
9.2.16.1.(Safety Design Bases associated ps mp is in operation. The dupiez strainera are motor operated and automatically The TSW surem does not serve or support any switch from the half in service to the clean ssfety function and has no safety design basis, half of the duplex strainer on detection of high l
l f.3 differential pressure. Debrl. co!!ected in the
/
9.2.16.14 Po*er Generation Design Bases strainer is autornatically si,; iced to a dinosal '/
etion srea.
(1) The TSW synem is des,6ned to remove i
brat from the turbine cooling water
'Ite TSW pumps supply cooling water to the two (TCW) system heat exchangers and reject TCW best exchangers (one is normally in service ll this heat to the power cycle heat sink and one '.s on standby).
during normal and shutdown conditions.
A su.nmary of the TCW heat exchangers is (2) During notreal power operatio:: the TSW provided in Table 9.212.
systera supplies coo!ing water to the TCW 42.4!.2.3 l
tystem heat exchangers at a temperature s.2.MM Syste.s Castation L
not exceeding 100Y.
The system normally is started manually from 92 12.1 Amomr.t is
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35 E9 '?2 04:51PM G E ttXLtm PL M J p,;a.-g l
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C 4 9.2.15.2 Porti~ns outside the Scope of ABWR Standard "lai.s All portions of the RSW system which are outside the centrol building are not in the secpe of the ABWR Standard Plant.
Snations 9.2.15.2.1 thr ugh 9 2.13.2.5 provide a concep;ual design of these portions of the RSW system as required by 10CTR52.
The intorface requirements for this system are part of thS design certification.
9.2.15.2.1 Design Eases The site dependent portions of the RSW system shall meet all requirenants in Sections 9 2.15.1.1 through 9.2.15.1.5 and all following requirements.
This subsection provides a con-captual design and interface requirements for those portions of the RSW system which are site dependent and are a part of the design certification, 9.2.15.2.1.1 Safety Design Bases (Interface Requironents)
?
The applicant chall provide the following system design fea-turen and additional information which are sito dependent (1) the temperature increase and pressure drop across the hoat exchangers the required and available net positive suction head (2) for the REW pumps at pump suction locations censidor:ng e
anticipated low water levels (3) the location of the RSU punp h0use (4) the design faatures to assure thnt the requirenents in Subsection 9.2.15.1.1(31 are net (5) an analysis of a pipeline break and a single active component failure shall show that flooding shall not affect the main control reen or more than one division of the RSW system 9.2.15.2.1.2 Power Generation Design Bases (Interfaco Re-quirements)
There are none.
__=m-r.
- R I? # 9' 04 51PM G E TLCLEM DLDG J p.Irris v
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t 9.2.15.2.2
System Description
(Ccnceptual Design)
The RSW pump house is located at the Ultimate Meat Sink (UHS) which.is described in Section 9.2.5.
1 The RSW system is able to function during abnormally high or low water levels and steps are taken to provent organic fouling that may degrade system perfornance.
These steps includo trash racks and provisions for biocide treatment (where discharge is1 allowed).
Where discharge of biocide is not allowed,1non-biocide treatment will.be provided.
Ther-mal backwashing capability will be provided at any nite whsre infestations of macrobial growth can occur.
9.2.15.2.3 Safety Evaluation (Interface Requirements)
System' components and piping materials are provided to be compatible with the site cooling water to minimize corro-sion.
Adequate corrosion safety tactors are used to assure the integrity of the system during the life of the plant.
An analysis shall show that the requirements in 9.2.15.6.1(4) and 9.2.15.6(5) are met.
9.2.15.2.4' Testing and Inspection Requirements (Interface Requirements)
There are none.
9.2.15.2.5 Instrumentation and control Requirements (In-terface Requirements)
There are none.
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Portions within Scope of ABWR Standard Df
? 9.2.16,1 s'
Plant Troso portions of the Turbine service Water System (TSW) that are within tha turbine building are in the scope of the ABWR S: e,ndard Plant.nd-are de-scribed in Sections 9.2.15.1.1 through 9.2.16.1.5.
All portione of the Tsw system that are outside the turbine building are not in the scope of the ABWR Standard Plant.
+4 SF 39 79 em See
4'R 29 '92 C4: 2PM G C f 8JCLEM BLDG J P.27 5 k
11A6100AH Signdpyd Plarit Prv B the main control room and one pump is operated continuously during normal power opert.tlon conditions,-
The standby pump h started automatically in the event the r ormally operating putop trips or the discharge header pressure drops below a preset limit.
9,2. //.. /. 3
-9*164 Safety Evaluation The TSW system does not serve or support any safety function and has no safety design bases, The TSW system is not interconnected with any
[
safety related systems. See Subsection 9.2.17.5
, for interface requirements.
9 2,I6,1,'f 44&& Tests and Inspection All major. components are tested and inspected ss separate components prior to installation, and as an integrated system after installation to ensure design performance. The systems are-preoperationally tested in accordance with the t :quirements of Chapter 14.
.The coinponents of the ?W system and associated instrumentation are accer.sible during plant operation for visual examination. Per odic 2
intpections during normal operation are made to ensure operability and integrity of the system.
Inspections include measurement of the TSW tystem flow, temperatures, pressures, differential g'
pressures and valve positions to verify the system condition.
c?All. I6 4.2.M& hstrumentation Application Pressure and temperature indicators-are provided where required for testing the system.
TSW system putnp stat :s is indicated in the 9
main centsel room.
TSW system trip is alarined and the automatic startup of the standby pump is annunciated in the main control room.
High differential pressure across the duplex f] f!!ters is alarmed in the mair control room =
l mm l
l
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1 m _?
- R 29 '92 04tS2Pfi G E f0 CLEAR BLDG J P.23/35 t
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9.2.16.2
. portions Cutside Secpe of ABWR Standard Flant All portions of the TSW system that are outside the turbine building are not in the scope of the AEWR Standard Plant.
Sections 9.2.16.2.1 through 9.2.16.2.5 provide a conceptual design of these portions of the TSW system as required by 10CFR52.
The interface requirements for this system are part of the design certification.
9.2.16.2.1 Design BasPM The site dependent portions of the TSW system shall meet all requirements in Sections 9.2.16.1. A through 9.2.16.1.5 and all-following requirements.
This subsection provides a con-ceptual design and interface requirements for those portione of the TSW system'which are site dependent and are a part of the design certification.
9.2.16.2.1.1 Safety Design Bases (Interface Requirements)
There are none.
g 9.2.16.2.1.2 "oi'er Generation Design Bases (Interface Re-quirements)
The applicant shall provida-the following system design fea-tures and additional information which are site dependent.
r_
(1) -the temperature increase and pressure drop across the heat exchangers.
(2) the required and available net positive suction head
-for the TSW pumps at pump suction locat. ions considering anticipated low water levels (3) the location of the TSW purp house 9.2.16.2.~2
System Description
9.2.15 2.2.1 General Description (Conceptual Design)
Fiping and valves in the TSW system are carbon or low alloy steel _and are' protected from interior and exterior corrosion with suitable corrosion resistant material as required by site specific soil and water conditions.
4 5
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@R 29 '92 04:!IPM G E toCLtfA BLDG J p,;9 45 s
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1 9.2.16.2.2.2 CLaponent Descriptien- (conceptual Design)
Two 100 % capacity duplex strainers are provided (one for each TSW pump). Each half of the duplex strainer.is designed for the design flow of one TSW pump.
Only one half of each duplex strainer is in operation when its associated pump is in. operation.- The duplex strainers are motor operated and automatically switch from the half in service to at the clean half of the duplex strainer on detection of high dif-ferential pressure.
Debris collected in the strainer is au-tomatically sluiced to a disposal collection area.
9.2.16.2.3 Safety Evaluation (Interface Requirements)
The applicant shall denonstrate that all safety-related com-ponents, systems and structures are protected from flooding in the event of a. pipeline break in the TSW system.
9.2.'16.2.4 Tests and Inspections (l'nterf ace Requirements)
There are none.
9.2.16.2.5 Instrumentation Application'(Interface Require-
.ments) i There are none.
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ABWR wmui Pfv_. B Standard Plant TABLE 9.2 6
^-
MVAC NORMAL COOLING WATER SYSTEM COMPONENT DESCRIPTION liNCW Chillers Type Centrifugalhennetic Quantity 5 (including one standby unit) 6 8.93x10 BTU /h each Cooling Capacity
! 9I/O Chilled water Nw per unit d# fig /m Supply temperature 44.6'F
/+9@
I Condenser water flow per unit
- 611g/m Supply temperature 95'F Control Inlet guide vane Condenser Shell and tube Evaporator ShcIl and tube s
6
}{NCW Water Pomm Quantity 5 (including on: standby uni.)
Type Centrifugal, horizontal Capacity (gpm) each
.1,4 Fr l T N d l
j Total discharge head 71 psi i
' s.../
9 0-::
Amer,qmem 14
APR 29 2 04:53 Pet G E to Ltm ELDG J P.3143 g.
AB M MA6100All Sinndard Plant prv s TABLE 9.2 7 HVAC NORMAL COOLING WATER LOADS Name of Ana or Unit During Normal Operation Dunng Refueling Shutdown Capacity Flow Capacity flow B'IV/h x gym BTU /h x gym 104 104 Reactor Building DrywellCoolers (2 of 3) 0.92 306 0.75 306 RIP Coolers 1.66 92 2.90 459 Others (Note 1) 10.40 577 17.69 2.80 t I'f
!9%
Turbine Building g,7 p
LO8 172
,,1, (Note 2)
Radwaste Building 5.42 358 6.45 1,023 (Note 4)
Service Building 3.47 770 3.47 Tf0 Others 437 633 3.38 633 (Note 5) 23.4 2,92.6 Total.
39 35.7 6,164 (Note 6)
NOTES:
(1) Loads include reactor /twbine building supply uniu.
' 9) - ~ L.:.:?::!:.7;---
- !; +
Deleted (4) Loads included are the radwaste building supply unit and the radwaste building electrical equipment room supply unit.
'f'
- (S) Loads include HVH units not prevrously included.
(6) The HNCW chillers are 8.93 x 106 BTU /h each and the pumps M96 gpm each. Thus,four HNCW pumps have total capacity in excess of the amount required as shown in the last column of the table (1) b C4OS ctre k coofee-cowhatSCe(kewe,(opec.kohC4W a, s d % decMod egu.lped syty m;&,
l Amen &am 14 9223 mu 'L-_._M--
. 7
, my s
.. 57 M - ffR 295-?92 '04tS3PM G C FOCLEFR Et.DG J
_P.32/35 Lt.9 k,fQ:-
[.
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<O Standard Plant an, n 4
Table 9.213
~
-- p -
REACTOR SERVICE WATER SYSTEM
- RSW Pumps (Two per division).
Discharge Mow Rate)per thtf 7,920 gpm Pump Total Head.
'50 psi Desip Pressure 113 psi T
~: e Desip Temperature.
1220 F RSW Piping and Valves Desip Pressure 135 psi--
0 Desip Temperature
.122 F
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ns g
g
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- p. '-
~.
Table 9.2-17 TURBINE ~ SERVICE WATER SYSTEM (Out cf Scope)
TSW Pumps (Three.50 % pumps)
Discharge Flow Rate 15,000 gpm per pump Pump Total Head 28 psig
'Dosign Pressure.
85 psig 0
Design Temperature 104 F i
TSW Piping and Valves Design Pressure 65 psig 0
' Design Temperature 104 F 3
h 4
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- Figurr 9.24a TTJRBINE COOLING WATER SYSTEM DIAGRAM Amendmes 7 i
l 9 A
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' TCW HEAT
'XCHANGERS E
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- j' FROM L
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'W F-(POWER CYCLE
~~
TOWMTEiiA -
HEATSINK
'N M
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-N-To O POWER CYCLE' b M 4
HEAT SINK -
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F STRAINERS U.
CLE
- > u.
TCW SYSTEM
. TURBINE BUILDMG
=
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2 PUMPS A5
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6&
ig Figure 9.2 B TURBINE SERVICE WATER SYSTEM m
...