ML19224B274

Final Rept, Sys Description:Reactor Coolant Makeup & Purification Sys, Ref Burns & Roe Drawing 2024,Revision 11

ML19224B274
Person / Time
Site:	Crane
Issue date:	06/30/1974
From:	Metropolitan Edison Co
To:	Mullinix W NRC/IE
References
TM-0290, TM-290, NUDOCS 7906140342
Download: ML19224B274 (73)

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FINAL SYSTEM DESCRIPTION (Index No. 17)

REACTOR COOLANT MAKE-UP AND PURIFICATION SYSTEM (B&R Dwg. No. 2024, Rev. 11)

JERSEY CENTRAL POWER AND LIGHT COMPANY THREE MILE ISLAND NUCLEAR STATION UNIT NO. 2 s

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June 1974 Prepared by:

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Ferrante Burns and Roe, Inc.

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TABLE OF CONTENTS FOR REACTOR COOLANT MAKE-UP AND PURIFICATION SYSTEM Section Pace

1.0 INTRODUCTION

1 1.1 System Functions 1

1.2 Summary Description of the System 2

1.3 System Design Requirements 5

2.0 DETAILED DESCRIPTION OF ShSTEM 8

2.1 Components 8

2.2 Instruments, Controls, Alarms, and 27 Protective Devices 3.0 PRINCIPAL MODES OF OPERATION 30 3.1 startup 30 3.2 Normal Operation 30 3.3 Shutdown 40 3.4 Special or Infrequent Operation 41 3.5 Emergency 45 4.0 HAZARDS AND PRECAUTIONS 47

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,s APPENDIX TITLE TABLE NO.

Letdown Cooler 1

Seal Return ~ Cooler 2

Seal Injection and Seal Return Filters 3

Make-Up and Purification Demineralizer Filters and 4

Makeup Filters Makeup and Purification Demineralizers 5

Makeup Tank 6

Makeup Pump 7

Instrumentation and Controls 8

Panel-Mounted Annunciators and Computer Inputs 9

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- initiate an action, but rather permits the operator to act. "Termina te" means that the logic circuitry will initia te an automa tic stop action. The above listed enable and terminate setpoints shall be individually adjustable. 2. Low Power Enable Below 15% neutron power, the Boron Feed and Bleed Controller subsystem shall ' enable continuous feed and bleed, regardless of the rod position margin requirements (Section 1 - above), if and only if the group rod position requirements (Section 3 - below) are satisfied. 3 Group Rod Posi ion The Boron Feed and Bleed Controller will receive two other signals from the System Logic for the Control Rod Drives. These are a single contact closure indi-cating that control rod g;:oups 1, 2, 3 and 4 are 10d% (139") withdrawn and a second single centact closur e indicating that control rod group 5 is greater than 2 9% ( 34. 75 " + 2. 25 ") w ithdrawn. The Controller shall allow continuous feed and bleed if and only if both (1) control rod groups 1, 2, 3 and 4 are 100% withdrawn and (2) control rod group 5 is greater than 25% with-drawn. It shall not be possible to circumvent these two requirements for enabling continuous feed and bleed. I ~ 196 023 --2 0A - O += - =.. --e==w-e empe=== .m me- -,,g L.i -+ .EF Feed and B'leed Interlock with Control Rods - permits a. valve to open when bleed valve MU-V8 is in the normal (feed) or " bleed" position and the following conditions permit. 1) Rod Position Margin Action (Nominal Rod Position 1 2.25 in. ) + 10 " Enable feed and bleed on group withdrawal. Norminal Rod Position f 2.25 in. Terminate feed and bleec on group insertion (Nominal Rod Position f 2.25 in. )- 10" Enable feed and bleed on group insertion. Nominal Rod Position 3 2.25 in. Terminate feed and bleed on group with-drawal. I " Enable means that the logic circuitry does not initiate an ac t ion, but rather permits the operator to act. " Terminate" means that the logic circuitry will initiate an automatic stop action. The above listed enable and terminate cetpoints shall be individually adjustabla. 2) Low Pcwer Enable j Below 15% neutron power, the Boron Feed and Bleed Controller subsystem shall enable continuous feed and bleed, regardless of the rod position margin requirements (Section 1 above), if and only if the group rod position requirements (Section 3 I below) are satisfied. l96 024 e .....q, ~__.--.- ---7 'j. s tn 3) Group Rtd Position the Boron reed and Bleed Controller will receive two other signals from the System Logic for the Control Rod Drives. These are a single contact closure indicating that control rod groups 1, 2, 3 and 4 are not 100% (139") withdrawn and a second single contact closure ind ica*.1.,g that control rod group 5 is greater than 25% (34,75" + 2. 2 5 ") withdrawn. The Controller shall allow continuous feed and Lleed if and only if both; (1) control rod. groups 1, 2, 2 and 4 are 100% withdrawn and, (2) control rod group 5 is greater than 25% withdrawn. It shall not be possible to circumvent these two requirements for enabling continuous feed and bleed. b. Batch Controller Interlock - causes valve to close when a pre-determined amount of feed water has been added to the system. I Remote manual control of the valve is provided from the Control Room, Panel No. 3. Makeuo Filters Inlet Stoo Valve, MU-VllA/MU-VllB One 150 psig, 200 F, 2 inca, SS, air piston operated gate valve is pravided at the inlet to each makeup filter to permit periodic changeov,er during reactor operation. Remote manual control of the valves is provided from the Control Room, Panel Number 3. Makeup Tank Outlet Stop Valve, MU-V12 One 350 psig, 300 F, 4 inch, SS, electric motor operated gate valve is provided in the outlet from the makeup tank. Remote manual control of the valve is available in the Control Room 196 025 -. -.._,__ m._ - .m.. a s. T ? '. Ll sg at Panel Number 3. Power supply to the electric motor valve operator is from the 480V motor control center 2-423. Emeroencv Hich Pressure Makeuo Iniection Isolation Valves, MU-Vl6A, MU-V16B, MU-V16C and MU_-V16D One 3050 psig, 200 F, 2 inch, 316 SS, electric motor operated globe valve is provided in each of the four emergency reactor coolant makeup injection lines. These valves serve as high pres-sure injection valve and open automatically upon receipt of a signal from the safety features actuation system to provi~de emergency high pressure makeup injection to the reactor. Remote manual control and indication of the valves is availe.ble from the Control Room on Panel Number 3 and also on Panel Number 15. Light indication only is provided in Panel Number 13'. Power supoly to the electric motor valve operators is from the 480V engineered safety features motor control centers 2-llEA for MU-V16A and MU-V16B and from 2-21EA for MU-Vl6C and MU-V16D. Reactor Coolant System Makeup Flow Control Valve, MU-Vl7 One 3050 psig, 200 F, 2 inch 316 SS, diaphragm operated globe valve is provided in the normal reactor coolant system makeup lane for makeup flow control. The extent of valve opening is automatically controlled by the pressurizer 1,evel controller RCl-LIC. Remote manual control of the valve is provided from the Control Room 5' Panel Number 5. Reactor Coolant System Makeup Ston Valve, MU-V18 ? One 3050 psig,200 F, 2 inch, 316 SS, air piston operated gate valve is provided in the normal reactor coolant system makeup line downstream of the makeup flow control valve. The valve serves as an external reactor building isolation valve and 196 026 -

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--.m. -e m.. E- "= closed upon receipt of a signal from the engineered safety Le i features actuation system to discontinue normal makeup inject;on during accident conditions. Remote manual control and indication of the valve is available from the Control Room on Panel Number 15. Indication only is provided in Panel Number 13. Total Seal Flow Isolation Valve, MU-V20' 3 7S a4*-p4ston(operated gate a ct c r w ' ' One 3050 psig, 200 F, 4 inch, 316 SS, valve _is provided in the common line which feeds the four individual reactor coolant pump seal injection lines. The valve serves as an external reactor building isolation valve. The -air. pis ton ' valve 'is' actua ted via 'dU~Ei o'pera ted pilot solenoid valves to guard against loss of one essential power source. Remote manual control and indication of the valve is available from the Control Room at Panel Number 3. Indication only is provided in Panel Number 15. Total Seal Return Internal Isolation Valve, MU-V25 4 One 2500 psig, 300 F, a inch, 316 SS, electric motor operated globe is provided in the common seal return line from the reector coolant pumps. The valve serves as an internal reactor building isolation valve and closes automatically upon receipt of a signal from the safety features actuation system. Remote manual control and indication of the valve is available from the Control Room on Panel Number 3 and also on Panel Number 15. Indication only is provided in Panel N 13. Power supply to the electric motor valve operator is 'from the 480V engineered safety features motor control center 2-21EA. l Total Seal Return Ex ternal Isolation Valve, MU-V-2d 37'7 $p perated gate One 2500 psig, 300 F, 4 inch, 316 SS, a valve is provided in the common seal return line from the reactor coolant pumps. The valve serves as an exterF9b 02 7 se % p .m-o == , =,,. - -. _...;== i U.i ' 7' reactor building isolation valve and closes automatically upon receipt of a signal from the safety features actuation system. Remote manual operation and 'ndication of the valve is available from the Control Room on Panel Number 3 and also on Panel Number 15. Indication only is provided in Panel Lumber 13. Reactor Coolant Pumo Seal Flow Control Valve, MU-V32 One 3050 psig, 200 F,4 inch, 316 SS, diaphragm operated globe valve is provided. in the total seal flow injection line to the reactor coolant pumps. The valve is normally set to pass approximately 32 gpm (8 gpm to each RC pump seal) and is automatically controlled by MU-9-FIC. Remote Manual control is provided from the Control Room Panel Number 3. Individual Seal Return Isolation valves, MU-V33A, MU-V33B, MU-VZ3C, MU-V33D l One 2500 psig, 65G F,1 inch, 316 SS, electric motor operated ^ gate valve is provided in each individual seal return line from the fcur reactor coolant pumps. The following interlocks are associated with these valves: a. Loss of Seal Injection and ICCW Flow Interlock - causes valve to close autonc 'ically on coincident low seal injection flow and loss of intermediate closed cooling water flow: I b. Loss of Seal Injection on Idle Pump Interlock - causes valve to close on coincident low seal injection flow if respective reactor coolant pump is idle; Remote manual control of the valves is available from the T rontrol Room at Panel Number 4. Power supply to the ' l96 028 /* y-- e . _ - ~ __. r,.-- ..n--- ..f[ electric hotor valve operators is from the 480V motor control centers 2-32B for valves MU-V33A and MU-V33B and from 2-42B for valves MU-V33C and MU-V33D. Seal Return Coolers Inlet and Outlet Ston Valves, MU-V166A/ MU-V166B and MU-V167A/MU-V167B One 150 psig, 200 F,4 inch, 316 SS, electric motor operated gate valve is provided at the inlet and at the outlet of each seal return cooler for periodic changeover during reactor operation. Remote manual control of the valves is available in the Control Room at Panel Number 3. Power supply to the electric motor valve operators is from the 480V motor control centers 2-32A for valves MU-V166A and MU-V167A and from 2-42A for valves MU-V166B and MU-V167B. Makeup Pumos Recirculation Isolation Valves MU-V36 and MU-V37 o Two 3050 ps ig, 200 F,2 inch, 316 SS, electric motor. operated gate valves are provided in the common makeup pumps recirculation line to the seal return coolers inlet line. These valves close automatically upon receipt of a signal from the safety features actuation system to ensure full makeup pump discharge capacity for emergency high pressure injection. Remote manual control of the valves is available from the Control Room on Panel Number 3. Power supply I to the electric motor valve operators is from the 480V engineered safety features motor control centers 2-llEA for valve MU-V36 and 2-21EA for valve MU-V37. , 196 029 m -.,-.w---w-~_ -n., ~ G.* 4. g: t ~- 2.2 Instruments, Centrols, Alarms and Protect ive Devices Instrumentation and controls for the makeup and purification system (see Table 8) are provided for the following functions: 1. Control of the reactor coolant inventory by (1) Controlling reactor coolant letdown flow by flow-restricting orifice and remote manually positioned flow control valve. (2) Controlling reactor coolant makeup flow by regulating the flow control valve from the pressurizer level ind ica tor-controller in the reactor coolant system. 2-Manual remote control of the letdown cooler isolation valves from the control room console. 3. Monitoring of letdova flow and indication of flow rate on the control room console and by the computer. 4. Letdown temperature is monitored and indicated on the control room console. High-temperature alarm is monitored by :omputer and annunciator. The high tempe rature alarm is also utilided to trip the letdown isolation valve, MU-V 376,clo s ed. ? 5. The letdown high pressure alarm is monitored by computer [ and annunciator. 196 030 6 ?

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-2 = ~ _. t r,. t .r 6. Control of the reactor coolant pump seal injection flow. 7. Total seal injection flow is monitored and indicated on the control room console. High and low flows are alarmed. The total flow signal is also utilized to control the seal control valve (MU-V 32 ) to pass a preset flow to the reactor coolant pump seals. 8. Monitoring of individual reactor coolant pump seal injection flow with control room console indication and low alarm. The individual flow signals are also interlocked to the respective reactor coolant pump motor to prohibit pump start without su f fic ient flow and also to close the respective seal return valve on low flow. 9. Normal makeup flow (to outlet of RC-P-lA) is monitored and indicated on the control console and high flow is alarmed by an annunciator.

10. Emergency high pressure injection flows (to inlet of RC-P-1A,2A,lB,2B) are monitored and indicated in the control room with high and low flow alarms annunciated.

The low flow alarms are interlocked to the safety features actuation system to be operable only when the safejy,systemhasbeenactuated.

11. The seal return flow from each reactc c,olant pump is monitored by the computer.

High flow is alarmed by ] annunciator. !96 031 - e ? W t-12. Filter differential pressures are monitored and indicated on the control room console. High differential pressures are alarmed by the computer and annunciator. 13. Various valves and pumps are manually controlled from the control room console. 14. The boric acid and demineralized water makeup system is composed of basically four subloops (Interlock Systems): a) valves MU-V8, and b) MU-V-10, c) MU storage tank level, and d) MU tank fluid flow. Reference B&W " Feed and Bleed Report" for TMI Unit 2, dated October 1971 for a detailed description of the system operation. Basically, the system operates in the following manner: Valve MU-v8 is a three-way valve which has two operating positions -- bleed (flow to bleed holdup tank or deborating demineralizers) and normal (letdown flow to the makeup tank). Valve MU-V10 is an "On-Off" valve for controlling chemical or makeup feed to the MU storage tank. The operator, using switch MU-V10-Mis, can open the valve, if any of the following are required: 1. Demineralized Water 2. Make-Up from Reactor Coolant Bleed Holdup Tank. 3. Boric Acid ? 4. Deborating Demineralizer Outlet A listing of panel-mounted _ annunciators and computer inputs is given in Table 9. 196 032 - e- .h = =n - s,_ ~ d' ~3~. 0/ -~PRINCI PAL MODES OF OPERATION F 3.1 Startup Startup of the make1p and purification system consists of insuring all lines and components are filled with borated water and all air is vented from the system. In addition cooling water is lined up to all coolers and resin efficiency is determined for the make-up and purification domineralizers. All electrical power supplies are energized and a complete start-up valve line up is completed. Interlocks to all valve.= and pumps must be verified. 3.2 Normal Operation During normal makeup and purification system operation, reactor coolant is drawn from the reactor "A" loop at'the steam generator outlet and is directed to the tube side of of a letdown cooler, either MU-C-1A c MU-C-1B. The two letdown coolers are arranged in parallel with one cooler normally in service for letdown flow rate up to 70 gpm. The second cooler is utilized as a spare or to accommodate higher flow rates up to a maximum of 140 gpm. Electric motor operated stop valve s,MU-VlA and MU-V13 at the inlet to each cooler and MU-V2A and MU-V2B at the cooler outlets provide for remote, manual cooler isolation. The inlet valve to each cooler is interlocked with the intermediate cooling water inlet valve to ensure a flow of cooling water prior to placing the cooler in serv ice. The intermediate cooling ? water manual outlet control valve from each cooler is normally in an open positi~' to prevent a pressure buildup in the cooler shell. In passing through the coolers, the letdown coolant is cooled from operating temperature to y;;- -. . _ _,,; "" intermediate closed cooling water system. The outlet of I __p:~ the coolers connect to a common line unich exits the reactor building through penetration R-541. Downstream of the penetration, a remotely controlled air cylinder operated valve, MU-V3 %,is provided for building and system isolation. The cooled letdown water then flows through a pressure break-down device where the pressure is reduced from normal operating to approximate 3y 100 psig. Three pressure reduction devices, arranged in parallel, are provided; a block orifice (MU-1-F E), a famotely operated contol valve (MU-VS), and a manual throttle valve (FU-V100). The block orifice is the normal pressure e reduction device for flow rates up to 45 gpm. For higher flows up to the maximum of 140 gpm, at startup and low pressure conditions, the control valve must be used. The control valve may be used alone or in conjunction with the block orifice. The manual throttle valve is used only when maintenance is being performed on the block orifice or remote control valve, or during shutdown conditions. The block orifice is isolated l at the inlet by remotely controlled air cylinder operated valve, MU-V4, and at the outlet by a manual stop valve, MU-VlO2. The control valve is provided with manual stop valves, MU-V101 and V103, at the inlet and outlet respectively, A temperaturc clement in the letdown line downstream of the pressure breakdown devices is provided to indicate temperature and to alarm on a high temperature of 135F. The element also transmits an electrical signal which within 4 seconds closes ~ .the air cylinder operated building isolation valve MU-V37( j if this temperature (135 F)is reached. This interlock serves to protect the demineralizer resins from excessive temperatures if which could cause the resins to become rapidly degraded. The i saturation level of the demineralizers for boric acid will be attained after approximately one day of operation with normal 196 034 6 -.7.-,..... =- s. . - -,. ~ E?. letdown flow. The letdown flow normally passes through one .t of the two filters MU-F-2A and 2B followed by one of the two purification demineralizers MU-K-1A and 1B which are arranged ~ in parallel. The filters remove suspended solids and the demineralizers, serve to purify the coolant by removing soluble corrosion and fission products and other impurities frcm the reactor coolant. At the inlet to each filter a remotely controlled air cylinder operated valve, MU-V224A and MU-V2 4B, is provided for isolation. The filter outlets are isolated by manual stop valves, MU-V225A, and MU-V225B. A by-pass linefitted with manual stop valve MU-V226 is provided around the filters. The filters serve to prevent active corrosion products from being deposited in the demineralizer beds.

Normally, one filter is in service for flow rates up to 80 gpm; the second filter is utilized as a spare for us-when the normal filter becomes plugged or when flow rates greater than 80 gpm are re qu ir ed.

The flow out of the purification and dehorating filters, then passes a " branch to the nuclear sampling system, to the inlet of make-up and purification demineralizers. At the inlet to each demineralizer, a remotoly controlled air cylinder operated valve MU-V6AAMU-6B, is provided for isolation. Each demineralizer outlet line is fitted with a stop check valve, MU-V107A.MU-V107B, to prevent reverse flow. Sample lines leading to the nuclear sampling station are connected to the common demineralizer inlet line and to the common ' outlet to provide influent and effluent I sampling capabilities. Periodic sampling and comparison of l the influent and effluent chemistry and radioactivity test results, indicates the purif' ation capability of the resin as 3 voll as the quality of the reactor coolant. Each demincralizer can accommodate a flow rate of up to 70 gpm. The second 96 035. O

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'*'*""**[7' M ~ 5* 4 .*g. .w Q ^^ v. _ EC[ demineralizer will be placed in service at higher flow rates or when the first demineralizer resin has been exhausted. The letdown flow, after passing through the demineralizer, is directed to a remotely controlled, electric motor operated, three-way valve, MU-V8. The normal position of this valve is such that the demineralizer effluent is directed through the makeup filters and subsequently into the makeup tank. If, however, a change in the boron concentration in the reactor colant is required, the position of the valve can be remotaly transferred to direct the letdown flow to the liquid radwaste disposal system where the borated coolant is either retained in a bleed holdup tank or passed through a deborating demineralizer and returned to the system through a makeup line. The makeup line connects into the letdown piping downstream of the three-way valve. Makeup to the system is available from four sources: the station dominaralized water system; the bleed holdup tanks; boric acid pumps; and, from the deborating demineralizers. Dilution (bleed) and makeup control are discussed in detail at the conclusion of this sub-section. Downstream of the demineralizers, the flow is directed through one of two filters, MU-F2A and MU-F2B which are arranged in parallel. At the inlet to each filter, a remotely controlled air cylinder operated valve, MU-VilA. or MU-VllB is provided for isolation. The filter outlets are isolated by manual stop valves MU-V132A or MU-V102B. A by-pe.ss line fitted with manual stop valve MU-V149, is provided around the filters. The filters serve to remove suspended solid particles that passed through the demineralizer and also prevent resin fines which may be carried over with the demineralizer ef fluent from entering the reactor or the reactor coolant pump seals. Normally, one filter is in service for flow rates up to 80 gpm; the second filter is utilized as a spare for use when the normal filter becomes plugged or when flow rates greater than 80 gpm are required. 196 036 a r... w E. ,~ y-From the f ilt er s', the coolant ficws to the inlet of the make-up ~~ tank, MU-T-1. Up to the inlet pipe connection, all major process piping in the system is 2 inch size. Between this connection and the makeup pumps discharge header, the piping size is 4 inch with the exception of the makeup pumps ' suction pipes and header which is 6 inch size. The coolant is sprayed into the gas space of the nakeup tank to release gaseous fission products entrained in the water and to increase the potential for hydrogen saturation. The average water volume in the tank during normal operation is approximately 3800 gallons. Maxeup watar !? added to maintain-the tank level between 55-86 inchec. A hydrogen overpressure of 15 psig is maintained in the tank to provide a concentration of 15 to 40 cc/kg hydrogen in the reactor coolant system. Hydrogen gas is introduced into the water space through a ring header whic - connects to a line from the hydrogen manifold. Two self-actuated control valves, MU-V29A and MU-V29B, connected in parallel are provided at the hydrogen manifold for pressure regulation. Manual isolatio'n valves are provided upstream and downstream of the regulators for isolation. In the common line between the regulators and the tank, a solenoid operated stop valve, MU-V28, and a check valve (MU-V171) in ccricc, arc provided. Provisions for nitrogen addition to the tank during r actor shutdown is made through the same gas addition line. A line from the plant nitrogen storage system connects through a solenoid operated l stop valve, MU-V27 and a check valve MU-V170 to the gas addition line. Nitrogen supply during normal operation is isolated by the solenoid valve i.'d various other valves in the nitrogen j supply system. Sample lines leading to the sampling station j are provided from both the gas and water space. If the tank water level falls to a pre-set low-low limit with the bleed a n,.

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-w LV control valv MU-18 14 the bleed pccitiun, an electrical cignal aub matically transfers the valve to divert the letdown flow throuc .he filte-and into the tank. When required, the makeup tank is vented through remotely controlled ai.r cylinder operated valve MU-V13 and manual thr>ttle valve MU-V136, via the gaseous radwaste disposal system to remove non-condensible gases. A drain line leading to the liquid radwaste disposal system and fitted with a manual throttle valve MU-V169 is provided. The makeup tank can be. isolated, if required, by a manual stop check valve, MU-V133, at the inlet and by a remotely controlled, electric-motor operated valve, MU-V12, at the outlet. A by-pass line to the discharge header of the makeup pumps is provided around the tank to allow for makeup and chemical addition to the reactor coolant during reactor shutdowns. The makeup pumps, MU-P-1A, P-1B and P-lC take suction from i the makeup tank through a tank outlet line which connects to the common suction header for the pumps. The pumps are arranged in parallel and each has a manual stop valve at the suction, and a check and manual stop in series at the discharge. Two manual valves in series are provided in both the suction and discharge header between punps MU-P-LA and P-US and between pumps MU-P-lfland P ld and between pumps MU-P-1B and P-lC. The L outlet line from the makeup tank connects to the suction header at pump MU-P-1B. Depending upon which pump is in service, the double isolation valves in the common suction and discharge headers must be open between MU-P-1B and the in-service pump 2 or, if MU-P-1B is in service, with its paired pump. The double C valves in the common suction and discharge header for the third pump must be closed to ensure header isolation ar.d thereby 35- ~ .-..e m -=a = * * ,-e -eme -.e c=". [ ', y g-redundancy for h'ihh pressure injection. The arrangement of '~~ valves and piping at the pumps permits flexibility in operating either of the pumps for normal service (should one pump be incapacitated because of maintenance) while still ensuring that at least two of the pamps are available to provide the safety features function of the system. The common suction header at pumps MU-P-1A and P-lC is connected through separate lines with the outlet from the borated water storage tank and the outlets from the decay heat removal coolers. These lines provide a source of water from the borated water storage tank for emergency high p essure injection, and high pressure recirculation from the reactor building sump via the decay heat removal system. During normal power operation, the makeup pump discharge is directed through two paths. One path is through a diaphragm operated control valve, MU-V 17, in a 2 inch line leading to the reactor coolant system. The extent of valve opening is controlled by the pressurizer level instrumentation and makeup is automatically added to the coolant system to maintain a constant level in the pressurizer. A by-pass line is provided with a flow indicator, upstream shutoff. valve MU-V233B and a downstream shutoff valve MU-V233A, around the makeup control valve, MU-V17. The purpose of Ebis bypass is to provide a small flow of water at all times through the makeup line although the no'. mal makeup is not required because of a transient operating condition resulting in a high pressurizer water level. The bypass flow maintains adequate a circulation to keep the piping in the vicinity of the makeup injection nozzle sufficiently cool and prevents th e rm7. ' . 196 039 = ,.~n-a,. s = ! O-shock when normal makeup is resumed. The bypass valving must be regulated to pass 1 gpm of water through the makeup line. The local flow indicator is provided to set and monitor correct flow. Flow through the normal makeup path enters the reactor building through penetration R-572 and enters the reactor coolant piping downs tream (at the discharge) of reactor coolant pump RC-P-1B, A stop check valve is provided inside the secondary shield to prevent reverse flow and permit isolation. The flow control valve is provided with manual isolation valves at the inlet and outlet. A by-pass-line with a throt*le valve MU-VlSS for manual con t is also fitted around the control valve. A remotely controlled air cylinder operated isolation valve MU-V18 is provided downstream of the control valve and by-pass for building isolation purposes. The second flow path from the discharge of the makeup pump is through a remote manual diaphragm operated flow control valve, MU-V32, which provides seal inj ect ion water ts the reactor coolant pumps. The control valve is set to supply a total of 32 gpm to' the seals; 8 gpm per pump. Manual stop valves at the inlet and outlet of the control valve are provided for isolation; a bypass fitted with a throttle valve (bs-V160) is provided arou.nd the control valve for manual control. Seal water then passes through one of two, parallel, seal water supply filters (MU-F-4A and MU-F-4B) for added protection for the reactor coolant pump seals,.. Each filter is supplied with a 2-inch manual inlet and outlet valve, MU-V342A, MU-V342B and MU-V 343A, MU-V343B, respectively. A 2-inch common, manual bypass valve (MU-V350) is provided around the filters. Additional information about the filters is supplied by B&W, the filter suppliers. The seal ) inj ect ion line is a 2 inch line from the discharge header of the seal water filters which discharges into four 1 inch lines, one to each reactor coolant pump. ~ 040. -.,. ~ - - - - - - - - - - - -

ZC. ~ ',-

~ .c The branch line to each reactor coolant pump seal is provided with a manual needle type valve to balance the f ow to 8 gpm in each line. The seal injection lines enter the reactor building through penetrations R-573, 574, 575 and 576. A remotely 37f controlled, air cylinder operated valve, MU-vJd', is provided in the common line outside the reactor building for isolation while a stop check valve in eac'. of the branch lines provides for isolation inside the bt ilding. With the normal seal injection flow of 8 gpm, 6.9 gpm enters the reactor coolant system as in-seal leakage, while 1.1 gpm is returned to the makeup tank via the seal return coolers. The seal return coolant or controlled bleedoff is directed from each reactor coolant pump through a 1 inch line fitted with electric motor operated gate valve MU-V33A/B/C/D. Each valve is interlocked to close upon loss of seal injection to the respective pump with an attendant loss of intermediate cooling water to that part icular pump, and also upon loss of seal injection to an idle pump. A rotometer is provided in each seal return line to measure the flow from each pump seal. In-seal leakage is determined by noting the difference between the seal injection flow to each ~ pump and the seal return (controlled bleedoff) from each pump. The four seal return lines connect to a 1 inch common line which exits the reactor building through penetration R-545D. Upstream of the building penetration, remote mar electric _ operated stop valve,'MU-V25, is provided for iso. . ion remote manual, air cylinder operated valve, MU-V serves as the isolation valve outside the bu ilding. The air cylinder operated valve is actaated 2 via dual operated pilot solenoid valves to guard against loss of one essential power source. Both valves close automatically upon receipt of a signal from the safety features actuation system to prevent an outflow of reactor coolant from the building. Past the s through building penetration, the seal return coolant then f;76 041 4 -- L., - -- - =: - m- - G..a. ~ f a 1-iech manual inlet isolation valve (MU-V334), a seal water return filter (MU-F-3), and another 1-inch manual outlet isolation valve (MU-V 3 3 5). The filter is also fitted with a 1-inch manual bypass valve (MU-V333) which is used during maintenance or emergency. The coolant then flows to the tube side of of one of two seal return coolers. MU-C2A/MU-C-2B before joining the inlet line to the makeup tank. Cooling water to the shell side of the seal return coolers is supplied by the nuclear services closed cooling water system. Each cooleris supplied with a 4-inch, remote, mott,r operated inlet and outlet isolation valve (MU 9166A, MU-V166B and MU-V167A, MU-V167B, respectively). Chemical addition for reactor coolant pH control is-made routinely. Lithium hydroxide (LiOH) is added to maintain the pH of the coolant within pre-established limits during reactor operation while hydrazine is used for oxygen scavenging during reactor shutdowns. The chemical pumps in the chemical addition system pump chemicals through independent lines into the letdown flow upstream of the makeup filters and are introduced into the reactor coolant with the normal makeup flow. Chemical addition is a manual operation and the amount of chemical added is determined after laboratory analysis of the reactor coolant. 2 -38A-C = - __,_m

• • C..*

~~alL-' NE Changes in the reactor coolant boron concentration are made as required. There are two methods available to reduce the boron concentration; the bleed and feed method, and, the deborating demineralizer method. Normally, the bleed and feed method is used when the boron concentration in the reactor coolant is greater than 190 ppm while the deboratir.g demineralizers are used with boron concentrations less than 190 ppm. The bleed and feed method takes the letdown flow from the outlet of the purification demineralizer through the three-way valve, MU-V8, and directs the flow (bleed) to a bleed holdup tank, in the liquid radwaste disposal system. Domineralized water from the demineralized service water system is introduced through a diaphragm operated flow control valve, MU-V9, a batch controller and an air cylinder operated valve, MU-V10, into the n6rmal letdown line upstream of the makeup filters. This water becomes the makeup for the reactor coolant system. Using the deborating demineralizer, the flow is essentially the same except that the letdown, instead of being directed to a holdup tank, is passed thro ugh a deborating demineralizer af ter which it is returned to the letdown piping through the makeup line. Since the return flow rate, in this case, is the same as the bleed flow, the water enters the makeup line downstream of the flow control valve EU-V9, passing through only the batch controller and the air cylinder operat7d valve, MU-V10. The amount of deborated water added to the makeup system by either method may be controlled manually, using the three-way valve, or automatically, by pre-setting the batch controller for the desired amount. To prevent an inadvertent excessive dilation of the reactor coolant boric acid concentration, three safety measures are 196 043 ["vi m..- 4, ~ b "~ ~ two dilution methods. The first measure applied to each of the is a limitation of 140 gpm on the maximum addition rate through the flow control valve, MU-V9, and the provision for pre-setting the desired flow. The second measure is an interlock between the shim (regulat ing) control rod group position and the three-way valve, MU-V8, which either permits or prohibits dilution depending upon the nominal regulating control rod group positions. The third measure consists of automatically returning the three-way transfer valve to the normal letdown position when the pre-set quantity of dilution water has passed through the batch controller. To increase the boron concentration in the reactor coolant, concentrated acid from the chemical addition system is added to the letdown flow and introduced into thu reactor coolant with the makeup water. Boric acid may also be added from the reclaianed boric acid tank. The amount of boric acid added is regulated by metering pumps at the boric acid source. It may be added directly to the letdown flow upstream of the filters or may be directed through the makeup line in which the batch controller is fitted. All lines in the system used to transfer concentrated boric acid are heat traced to preclude precipitation and subsequent solidification within the lines. 3.3 St ]down j L No special provisions are necessary during system shutdown except that all lines and components must reaain filled with borated water. Due to the function of the system, it will } never be shutdown while the reactor is operating. When the reactor is shutdown, makeup'and chemical addition to the reactor coolant system is supplied from the normal sources into the letdown line upstream of the makeup filters. The 196 044. . augy See . gun

• e.-

e e= - u,- e.,__ .,_ y, N .t flow, however, can bypass the makeup tank and can be directed into che discharge header of the makeup pumps from where it enters the reactor coolant system via the nornial makeup line. The driving force for the additions is provided by the respective chemical addition pumps, reactor conlant system ~7 pressurefor the boric acid pumps. During periods of system shutdown, the makeup tank should be maintained at the normal water level with a nitrogen overpressure in the gas space. 3.4 Special or Infrecuent operation Makeup from the boric acid pumps to the makeup stream,directly upstream of the makeup filters, may be used through a 1 " heat traced line, a 1 manual ralve MU-V127 and a 1 check valve MU-V325, to bypass the normal makeup path. Provisions have been incorporated into the design of the system to add makeup to the core flooding tanks to adjust the water level or the boron concentration in the tanks. A one inch line fitted with a restricting orifice and manual throttle valve, MU-V168, is connected to the discharge header of the makeup pumps and branches into two 1 inch lines each leading to one of the core flooding tanks. Manual stop valves, MU-V179A and MU-V179B are provided in each branch line for isolation. This method of makeup addition is used during reactor shutdowns.' Another line, from the discharge of the core flooding tank makeup pump in the chemical addition system, connects to the common line before it branches to each core flooding tank for addition of makeup during reactor operation. Provision has also been made in the system. design to replace the resins in the purification demineralizers, or the filtering 196 045 ~ . -_. _ _ -i 1. Q -..' _.. ~ p.- -- -- ?^- .g elements in the makeup system.futers-without disrupting normal system operation. Each demineralizer is fitted with a sluicing outlet which connects to a 2 inch line leading to the spent resin storage tank in the solid radwaste disposal system. To change the resins, the demineralizer, either MU-K-1A or MU-K-1B, is isolated from normal service with the alternate demineralizer serving to perform the purification' function. After appropriate valving in the radwaste system has been established, the resins fluidized by back flowing demineralized water through the are effluent line into the demineralizer through air cylinder operated valve MU-V292A/B. The electric motor operated sluicing valve, MU-V108A or MU-V108B is opened and demineralized water from the station demineralized water system is introduced into the unit through air piston operated valve MU-V285A or MU-V285B in the service line. A bypass line provided with a diaphragm operated valve (MU-V238A/MU-V238B) is fitted around the electric motor operated valve for each demineralizer in the event of motor operator failure. The spent resin is then discharged to the spent resin storage tank. When the resin has been removed, the demineralizer is flushed with demineralized water and drained. New resin from the resin addition tank in the liquid radwaste disposal system is added to the unit through diaphragm operated valve MU-Villa /MU-VlilB in the resin fill inlet connection provided on each demineralizer. When the appropriate amount of resin has been added, the resin fill valve MU-VlllA or MU-VlllB is closed and the unit is filled with demineralized water and vented of air. ?. The elements in the makeup filters are changed by isolating ~ the filter, either MU-F-5A or 2A or MU-F-5B or 2B, from normal service with the alternate filters providing the filtration function. The unit is then vented and drained through the I96 046 - -.. -O ,c_^ *. n'. c,:.- 3 _ff t respective filters drain line to the auxiliary building sump tank. The hinged cover is loosened and raised, and the basket containing the filtering elements is removed. A replacement basket with new elements is placed into the unit and the cover lowered and fastened. The drain valve is then closed. Letdown water should be ca,refully introduced into the unit with the vent open until all air has been expelled. If a. makeup pump is out-of-service for any reason, it must be ensured that the common suction and discharge headers are properly valved so that each one of the serviceable pumps is capable of providing high pressure injection to one loop. In this case, the backup selector switch must be in the " locked out" position. During normal plant operation it may become necessary to vent the pressurizer vapor space to expel unwanted gases. This venting or degassing operation is used to reduce the amount of radioactive gas in the pressurizer vapor space or to reduce the amount of dissolved gas in solution of the primary coolant. The flow path during degassing operation is from the pressurizer vapor space, to the nuclear sampling system (Ref B&R Dwg. 2031). Gaseous flow in the nuclear sampling system s through the pressurizer sample cooler, by-passes the sample- " bomb" in the sampling system, through three parallel needle valves, and enters the makeup " stream" down stream of MU-V8 and upstream of the make up filters through a pipe and a 2 check val've MU-v313. This excess gas in the makeup tank is i vented to the vent gas header through 1" vent valves MU-V13 and MU-V136. I96 04,7. ,y e - m ee-.mm e. g= "Ib'N8 M 4 l_. _ =r~..,*' W --, i -a g. .t The excess hydrogen which is maintained in the makeup tank is added through a pressure control valve (MU-V29A or MU-V29B), a solenoid operated valve (MU-V-28) and a check valve (MU-V171) from the Nuclear Plant Hydrogen manifold (Ref. B&R dwg. 2036). Hydrogen makeup is controlled Sy cycling hydrogen valve (MU-V28) to increase the hydrogen partial pressure in the makeup tank', which in turn will increase the hydrogen concentration (cc/kg) in the reactor coolant. Frequency and duration of hydrogen addition is determined by periodic sampling as specified in the TMI chemistry manual. Operating the makeup system with greater than seventy (70) GPM, letdown flow will necessitate placing the non-operating purification and deborating filter, makeup and purification domineralizer and makeup filter in service. These actions are required due to the limited capacity of these componenets. In addition, block orifice by pass valve (MU-V5) is adjusted to regulate by-pass flow whenever letdown flow to the block orifice (MU-1-FE) is greater than fourty-five (45) GPM. In the unlikely event seal water to one or all reactor coolant pumps is lost, operation of the pump may be continued without any special operation of the makeup and purification system. Seal water return valves are interlocked to close automatically on a low seal water flow or loss of seal water flow. Operation in this mode is possible due to the inherent design of the reactor coolant pump seals. j .V 048 _44_ em '* -e a--. = - - - - m 2, -... 3- - n, a..z "-^ gac ,. y .- g 3.5 Emergency Operation The makeup pumps in the system serve a safety features function by providing borated water from the borated water rtorage tank to the reactor coolant system immediately following the LOCA. The high discharge pressure capability of the pumps permits makeup water to be added while the reactor pressure is high and before the pressure has decayed sufficiently for emergency low pressure injection using the decay heat removal pumps. Following a loss-of-coolant accident, the safety features equipment will be automatically actuated bJ a signal from the safety features actuation system (SFAS). The building isolation valves, MU-V2A/MU-V2B, MU-V3, MU-V18, MU-V20, MU-V25 and MU-V26 close, halting all normal system flow out of and into the reactor building. The high pressure injection valves, MU-V16A/B/C and D, in the makeup lines to the four reactor coolant pump discharge lines open, as do the suction valves DH-VSA/B, in the lines from the borated water storage tank to the makeup pumps' suction header. A signal from the SFAS will start pumps MU-P-1A and IC. If either MU-P-1A or 1C is out-of-service, MU-P-1B must be valved to the same section of the common suction and discharge headers as the out-of-service pump. (Normal operation under this condition, therefore, provides no back-up capability.) The two makeup pumps operate in parallel to inject the borated water into the reactor. Either pump MU-P-LA or MU-P-1B discharges into a 4 inch line (the normal flow path having been stopped by the building isolation valve) which branches into two 2 { inch lines leading to the discharge piping of reactor coolant ~. pumps RC-P-l'B and RC-P-2B. Either pump MU-P-1B or MU-P-lC discharges into another 4 inch line which branches into two 2 inch lines to reactor coolant pumps RC-P-1A and RC-P-2A. 196 049 . i sm - _1..

• 7 L*

~'~ ~ p r A flow meter in each emergency injection branch line, ind ica tes flow and alarms on a high flow of 260 gpm and a low flow of 75 gpm. The MU-V16 series of valves (A/B.C & D) are elec'tric motor operated stop valves in the emeroency injection branch line to each reactor coolant pump and provide isolation upstream of reactor building penetration for each line. A high flow alarm from the branch line flowmeters could indicate a piping failure downstream of the flow orifice and, thereCore, 'the ficw indication from both injection lines to each loop must be compared. A lcw flow alarm would be indicative of a makeup injection valve failing to open and an attempt should be made to open the valve remotely. As the reactor coolant pressure decreases, the discharge flow from the makeup pumps will increase. When the reactor pressure has decreased to approximately 200 psig, the decay heat removal pumps will provide the makeup injection and operation of the high pressure injection pumps in the makeup and purification system are terminated manually. (When it becomes necessary to change the condition imposed by the safety features actuation system on a system component, the actuation signal must fir s t be bypassed and reset.) A second safety features function served by the makeup pumps is recirculation,of the coolant from the reactor building emergency sump after an accident. In the event of a small reactor coolant system leak where the reactor pressure decreases slowly, the supply of borated water in the horated water storage ) tank may be exhausted before the reactor pressure has fallen to 200 psig when recirculation, using the decay heat removal l9f = a, o 2Q _*.~ ~? ~ {' ~ system, is initiated. In this case, the makeup pumps are utilized for recirculation. When the level in the borated water storage tank approaches the low-low setpoint, valves DH-V6A and DH-V6B in the suction lines from the reactor building sump are opened to provide suction for the decay heat removal pumps. In addition, valves DH-V7A and DH-V7B in the lines connecting the outlet of the decay heat removal coolers to the suction header of the makeup pumps are opened. The decay heat removal pumps then discharge the coolant from the reactor building sump,.through the decay heat removal coolers and into the cuction header of the makeup pumps, providing the required NPSH for operation. The makeup pumps discharge the cooled water via the emergency injection lines into the reactor coolant system. This method of recirculation is continued until such time as the reactor pressure decreases sufficiently to permit recirculation using only the decay heat removal pumps. The makeup pumps and other system equipment having safety features functions are powered electrically from the emergency diesel generator buses to ensure availability in the event of a station power failure. 4.0 HAZARDS AND PRECAUTIONS There are no explicit hazards associated with the system. The normal precautions must be. taken.with a system in which a radioactive liquid is transported. Additional precuations must be observed due to the explosive nature of hydrogen gas which is introduced into this sytem for oxygen scavenging f in the reactor coolant. All equipment vents and drains are directed to their respective radwaste disposal systems. The system must be maintained in good repair in order to serve its normal functions and is continually monitored during normal system operation to indicate performance. 196 051 ~

4.,,

_m ~" E' ~ The system must be operated in accordance with the standard procedure prepared for this system. This procedure has been . developed from the recommendations of the reactor and equipment manufacturers and incorporates all safety precautionu from both a radiological and engineering standpoint. 1 ? / !kd. G u.-,:&- h .r TABLE 1 LETDOWN COOLER Identification MU-C-1A, MU-C-1B Number Required Two Manufacturer Graham Mfg. Compa n. - "leanliness Factor 0.85 C . Heat Transfer, BTU /hr. 16.1 x 10 Tube Side: Fluid flow, ibs/hr. - Source

3. 5 x 10

- Reactor Coolan c Design Press., psig 2500 nesign Temp., F 600 Material 304 SS Press'ure drop, psi 3.0 Shell Side: Fluid flow, lbs/hr. - Source 2.0 x 10 ICCWS Design Press., psig 200 Design Temp., F 350 Material - CS Pressure drop, psi 15.0 Classifications: ASME Code Class. Tube /Shell III-C lethal /VIII Nuclear N-1 Quality Control 1

a Seismic-I Clea-liness, tube /shell B/C I96 053 -

- **T; ; {, _ f _ w-_ _W"~ F TABLE 2 SEAL RETURN COOLER Identification MU-C-2A, MU-C-2B Number Required Two vendor Babcock & Wilcox Co. Manufacturer Whitlock Mfg. Co. Cleanliness Factor 0.85 6 Heat Transfer, BTU /hr. 1.38 x 10 Tube Side: Fluid flow, lbs/hr. - Source 9.2 x 10 - Reactor Coolant Design Press., psig 150 Design Temp., F 200 Material 304 SS Pressure drop, psi 10 Shell side: Fluid flow, lbs/hr. - Source 9.2 x 10 - NSCCWS Design Press., psig 150 Design Temp., F 250 Material CS Pressure drop, psi 15 Classifications-ASME Code Class. Tube /Shell III-C lethal /VIII Nuclear N-1 1 Quality Control 3 Seismic I Cleanliness, tube /shell B/C 196 054 in *.g ', ' ~~ * ,h TABLE 3 SEAL INJECTION AND SEAL RETURN FILTERS SEAL INJECTI;ON FILTERS Identification MJ-F-4 A, MU-F-4B Number Required Two Vendor B&W Manufacturer Pall Trinity Type Disposable Cartridge (23 micron absolute) Rated Capacity, gpm 50 De. sign Tempera ture, F 200 Design Pressure, psig 3050 Materials of Construction SS Code ASME,Section III, Class 2, 19 Classifications: Nuclear N-2 Quality Control 2 Seismic I ~ Cleanliness B g d e I96 055 = -SOA- ~

c % l.-_~

=

. a.

.

g ^ TABLE 3 (cont'd) SEAL INJECTION AND SEAL RETURN FILTERS SEAL RETURN FILTER Identification MU-F-3 Number Required One Vendor B&W Manufacturer Pall Trinity Type Disposable Cartridge (20 micron absolute) Rated Capacity, gpm 20 Design Temaerature, F 200 Design Pressure, psig 150 Material of Construction SS Code ?,SME,Section III, Class 3, 19 Classifications: Nuclear N-3 Quality Control 3 Seismic I Cleanliness B i 3 196 056 = -50B- s_. d .g,,.. #~~~~ l _._..c,-- ~ .t TABLE 4 MAKE-UP AND PURIFICATION DEMINERALIZER FILTERS AND MAKE-UP FILTERS Identification MU-F-SA, SB (Make-up and Purification Demineralizer Filters) MU-F-2A, 25 (Make-up Filters) Number Required Four Vendor Babcock & Wilcox Co. Manufacturer Pall Trinity Type Disposable Cartridge (l micron'at 98% reta.ntion) Rated Capacity, gpm 80 Design Temperature, F -20 to 250 Design Pressure, psig 300 Materials of Construction SS Code ASME Section III, Class C, Lethal Classifications: Nuclear N3 Quality Control 3 Seismic I Cleanliness B l 3 l 96 ()J / r7 H QMO ~e ~,-a. %*bx ',.,:^.::r:-~~"

-w-'

'Esef ' rs .g TABLE 5 MAKEUP AND PURIFICATION DEMINERALIZERS Identification MU-K-1A and 1B Number Required Two Vendor Babcock & Wilcox Co. Manufacturer Illinois Water Treatment Co. Design Temperature, F 200 Design Pressure, psig 150 Rated Capacity, gpm 70 Renin Volume, ft. 50 Type Mixed Bed Ratic (cation / anion) 2:1 Material of Construction SS Code ASME Section III, Class C, Lethal Classifications: Nuclear N3 Quality Control 3 Seismic I Cleanliness B / 1 1 -t 196 05g , ~ e m - -b .=-w &w..'- J u : ~ 2 l- ~ x-F5 t TABLE 6 MAKEUP TANK Identification MU-T-1 Number Required One Vendor Babcock & Wilcox Co. Manufacturer Buffalo Tank Division Size 8' ob x 13' High Design Temperature, F 200' Design Pressure, psig 100 Capacity, gals. 4,500 Material of Construction SS Tank Thickness .347" Code. ASME Section III, Class C Lethal Classifications: Nuclear N3 Quality Control 3 Se ismic I Cleanliness B 1 i b 196 059 6 m. .a ~ -m m s we ~= __L_,.-___--.- Q _=.j y "-G ~

g.. ~ ~

p- .t TABLE 7 MAKEUP PUMP Pumo Details Identification MU-P-1A, MU--P - 1 B, MU-P-lC Number Installed Three Vendor Babcock & Wilcox Co. Manu facturer Blagham Fump Co. FDdel No. 3x4x7 MSD Type 9 Stage, Horizontal, Single Suction, Centrifugal Rated Capacity, gpm 300 Rated TDH, ft. 5545 (min) NPSH, ft. 28 Speed,* rpm ~ 6800 (Horizonta1 speed increaser) Design Pressure, psig 3000 Design Temperature, F 200 / Lubr icant/ Bear ings Forced Oil Gear Increaser Forced Oil Coolant NSCCW System Motor Details Manufacturer Westinghouse i Type Enclosure Drip proof I96 nd[] Rated Horsepower, hp 700 U Speed, rpm 1760 Power

4000v, 89 amps (full load)

~ 60hz,30 Source (for each pump-motor) P-1A 4160V Engineered Safety Feature Bus 2-lE P-1B 4160V Engineered Safety Feature Bus 2-lE/2-2E P-lC 4160V Engineered Safety Featur,e Bus 2-2E Lubricant / Coolant Scaled Bear ings/NSCCW System.

p,,,

-]e~ i, - Q.

• p

-t TABLE 7 (Continued) Classifications: Nuclear N-2 Quality Control 2 Seismic I Cleanliness B 5 9 196 061 a ,l I h i' -J^ 3 id 6 e - i ~ y;' .d. Tf a. I g g g t i i i n e a a i s g g o r r r 5 5 5 A A A p e e e e / a a / a / / / / 2 / / / A A t A t t A t A A A A 2 2 n / / N N H N N S u l l N 1 N' N N W 1 1 1 u e g O O o C g n mC mC C g D i 2 2 a a pD pD D i R cV cV V l a s H H M s a p s M N H m p 5" t 6 6 0 0 2 2 2 50 5 5 0 u 0000 0 5 6 5 p V 1 515 5 1 1 1 A A A 1 A A A 0 t 2 0 u 0000 0 f / / 0 - / / / 0 0 0 1 O 0 1111 1 u N l 1 0 N N N w c g N C g O O O D e e 2 2 2 s g e. a 2 V s a 1 lg g n D i 9 H H H i l R M p m s a e s m e,. p v p p p 0 0 0 0 t 0 0 0 0 0 0 0 5 u E V v 5 6 5 0 0 0 1 1 1 5 p 2 2 a A A 1 3 3 3 0 n 0 0 j* / / - 0 0 0 0 0 1 l I 8 0 0 1 M N N 0 1 2 2 2 ro n n r r t t o o e e t a r r n t t t m r g el a a l l l l e e i t t e g g l l l e e e ma l t t o u u m a a a i e e p b b a r r r ac n r t 1 h h h C C C n 1i t e 1 t n e e t h h e 1 p p p g,i P P P O. / / / g 1 r t t i s s g 1 a a a a 1 e c a a u u a 1 i i i b i C M D D D D D D c MV S s B r r 1 4 n 2 2 2 2 5 5 7 e o 1 1 1 1 1 1 8 g g g 7 t t t it l t t t l l l l l M M M k e a a e e e e e e k e k k k c n c c n n n n n n c n c c c A A A n a L o o a a a a a a a a a a a 0 L L P P P P P P R P P R k C C G a P .4 9 TNO C D p p p N e u u u 4 a ru m e a e e 2 te p s n n n k h k D e e o o o a a a C 1 I a M M w a T n g u a i i i T a o o o P P t t t T i t e n o c c c n h t v r l p r u u u . e e s . s a s w o e o o r a 2 i u U e s s s r r r d M i g t y d U d s e r e a w w w c c c t R a l l o r a k e o o o a a a s T R e e 1 t m a H l A l ) lC 1 e e e. S v v r i M 1 1 1 r r r r rr r N n 4 e. 0 0 e r n r - r - r - I w I. I 2 2 t p r o oP o P, oP u e u e ue o s n, s n en f o 7 7 a) o i f - f - f - d n n wg o f t U U U si si ni e a e a ea 9 e t o o I E n t c 3 H 4 M 5 M rr r r rr 7 r 4 i i R R li 2 u 3 3 3 ad p 3 S 7 p 7 p 7 p pt pt pt 5 u 1 t t )Ml M St - r p L u L u L u a a U ei u 7 e - m - m - m S s S 1 n o, e e l l l m i i e e d d e u e I u m R p A p AP a n a n an I e i o i o io F r o t a a mv m Pa k P s u P P P t i t i ti p s s p R oe o C a - s P - p - p p y rl r m 3 r M U e U u U u U u nt nt nt n' U y o o l o ll 5 c 8, M r p M - M - M - ec ec ec M S n n f f r o w w n a ,t P U e e e r u r u ru w o ok ok ok eS eS es o o f f f t r d d ai aA 2 s l t r e t a t a t a f f f, t o m 4 e ga gn R ld a l l l iA, i8, iC l e n a t t nt n V a v e k m m M i i 1 L ii l o J U aa M ao a o ao d1 d1 dl a l M( M ne nt nt nt a n t r sd ai sP sP eP g s . c P s s a t n gH s g g g i e e. n e e sr sa so s i e i e i e ie e - e - e-t U t U tO s r t u r t t e ei ei e sn t s r sr s r P o a a vd vd t t t o a u u u aM aM aH u a t c c ir i a a a a ai c a s s s e s c c c e s c i p ip ip n d d cc c - eo e nc d ne ne ne d m d m dr - d s i i i i eo eR rl r dt i d s d s d s n e d o n n ae ei ps p eu n e r e r ar n u n u nu er n I P I

• IP sp I

M I I p r RH Oi O sS I s p sp s p t e e e r r r r r u u u e m r r r. e s s s t r e o o e t r s s s t o t r t t d t o e e e i t s o a a r l t y t c c o e a h h h r r r m a ^ P P P . s c S. i i i c e c c c c 0 n d d e n i t t t n i 4 l t l a d c9 o n n R a d i i i a a a r n / r n w w w 1 0 n M I I h h T I S S S 93 o t t r t r t r . l,e i t i T I i n n n n c c 4 r r 'e 1. t o o o i t t e e e e e no n o no e e et et et g ip i i i o i i r r r r r r a r a r a u u w w u u u u u Ce t t t p s s s s s s s e i t d fd e e c o c ec ,a s D r e a a i y f fi f i s e d c l i i t a d d s s s s s f d nc s d d d l l n n e e e e e i n n i n t D S s R P m M M P P P P P DI tDI DI J O 3CN h ai e a a a ou a a a r r r r r I am oe th c eS ,s c n 2 nC a 6 .a e f 1 2 1 4 5 6 7 7 7 9 9 rd t 4 2 7 5 5 5 7 1 en a 0 0 0 6 0 2 2 2 2 3 4 5 1 1 1 5 5 .s f a c 2 2 2 2 2 1 7 3 3 3 3 3 1 1 e i 7 1 7 1 7 1 7 7 7 7 a I I I r3 f = S 5 P P T I L E I 2 n r M H T I S S s re t R R R U R F r P P P P P D D D P P r e oe n U u U U U D D U U U U m f s e U U D U W M . M M M M M d H M M M M M M M M e c Ea I T. ) 3 a D

4

g ,l .a o [ l' 1 f b,- 0 A*. I ' g41il,4 e i t8 8 J -e g V t i ig g i n s e s i p p p op 0 0 0 n t A A A A A 0 0 0 A A A A A A A e / / / / / 2 2 2 / / / / / / / s M N N N N 2 2 2* N N k N N N M e C g C C n 0* D D a 9 r F e a F H m '0 m t H u O 0 2 0 0 l

• 3 p

5 2 5 2 t 0 2 A A A A A A A A A A Da 0 0 0 0 - / / / / / / / / / / i 1 1 2 1 0 N N N N N N N N N N g g 9 C i i 1 e C C a e e s g 0 D D p p p s, n 8 ~ a F a F a 0 0 0 R A m m 0 0 0 0 H 0 0 0 0 t 0 O 0 0 0 3 3 3 u 2 5 2 5 p 0 2 0 0 0 A A A A A A A n 0 0 0 0 0 0 0 '/ / / / / / / I I 2 1 1 0 1 5 5 5 N N N N N N N e r e r, 1 t e t e n n n n a t a t e m m o o o o t el t e g g g r r t t t t r s mas

• m a

a a o o t t t t o ac a r r r th t h u u u u th d 1id 1 h h h cc cc b b b b cc I gR i 1 t i 1 p p p et et h h h h et D l 1 1 rl I 1 a a a li li s s s s li T o/ 1 e o/ 1 i i i ew ew u u u u ew sR MVsR M D D D ss sS P P P P ss n m o o n o o t t l l 9) e e e e 1 ; o m 8 s 3 3 3 n n n n 3 i g a a a a l; t n e l e l l l P P P P a i l e l e k k k e e e.,. c p b n b n c c c n n S S S S n L o i a a a a a a a a a D D D O a-O l P C P C P p R P, P p N N W W P J R r 7 d.) r 5 e O 1 .u C n i D e t N 0 e g n a 8 e e r o 5 g g a r ( N 1 r r C h e C E e a a 1 c e I I r h h s l . S T T e u c c P i l A - r t s s D a I T r U u a i, i U r E N e Mt r d d M e n e n e D E l a e ) e g i g i n A M o or r W p w w wp d r s r s i T U o t e u s m o o om n d a e a a m T 0 m a (ae l 'l l u a n h

• D h

R e R c p t t A a p a c n nc D S r 8 e r r1 rl r n ns oe oe ne N e 5 t e sk o-o - op o n oi i t i i ot n I t 1 p T n f P fP f u i o iD t a t D i a o a - t m a t i t an a t n i w se e 6 t 0J 1 U 2 e a t an cr cn a r t 6M 6M 6k c a ci i e ii c( a Tl t 1 t - t p, '7 7 7 n i c i s f t f s i t c a U u t uu e 1 p 1 y 1 e f i f e il i a fl i e M o e H - r em es it f t iR rA rR i A f - ~ s l e u t u t u L re i e r u u r i mr t sk t A p A p Af ul rl uA Ph P8 uB r s ,l ,1 e oe u oa s P P P o P n un P1 o, P1 u r rl o r m r - p - p PI ,K 4 K AK ,E u f o t e U u U p Ue ,I P t o r r p M M - M r A r 8 r A - 8 - 8 - 8 - a l c e l o m e e u 4 e 4 e 8 U 3 U 0 U 8 U 6 r a l af e ok ok os 2 t 2 t 0M 2M 1 M 2 M 0 e nr o n t t a t a t s 2l 2l 1 2 1 n p ge o g1 m m e Vi Vi V r V. r V r V r ve o m it c i8 k l l l r - F F - e e - a - e l i e sa s5 n af af ap U U J s U s U : U a U p t t t w r 1 a n o no n M g M g e1 Mi M1 Ml Mm c e e e - t g g ge n n 1 l 1 l e a n s tl t t I ie i e i g ei ei s e s a s a s a g es u e ia a iT p sr sr s r et et e r er e r er r e F rt me w m-U u u a t a t a t e t e t e t ea t t ue s s sU e s a s sh ar a r an an a n anh a e sl n l nM e d s d s d c r o r o ri ri ri ric rl at a r a a k ne ne n s eb eb em ess em e ms et eu r o e ro a e r er ai pe pe po pe po pci pu Mo Tf s Tt M sp sp sd OD OD OD OD OD ODD oo i r r r e e t r t r a ' t o t o t i t i t n m a m a 0 e s c s c m n i n i e a d a d h h h l r n r n c c c e T I T I t t t i i i n e e e e e w w w h h h h h h h 4 o r r r r r D s s c c c c c c c u u u u u t t t t t t t ls it t t t t t e e e i i i i i i i e ip a a a a a r s r w w w w w w w f, r r r r r u u u s s s s s s s 8, r e e e e s e s c p p p p p s n s d d d d d d d r s m m m m m e e e n n n n n n n e e e e e e r r r a a a a a a a D 'T T T T T P P P M M M H M H R n o e. t f ~ @ C.-mu ~ t 0 6 7 8 9 0 1 2 o. a 0 0 0 1 1 0 1 2 7 7 7 7 8 8 8 C 5 0 8 8 8 6 6 6 0 0 0 0 0 0 0 1 1 5 5 5 5 7 7 7 3 3 3 2 3 3 3 f 1 1 N 1 1 1 1 4 e i 1 3 3 S S S 1 S t 1 T I I S 5 S H H H H H H M n T T T T. P P P T T F T T T F e. e d U U U U U U D U U U U U U U U I M M M M M M M M M M M M M M M e e iII l p i .. n.. w ... so e..... . - Ie, j ;- 'l? ?* TAalz o.(Co.6,.ucJ), k4 t g !>c5780MENTATICue AseD CONTROL _ Identification re s c ription Function location g Input Range Output Pange se tpoint.

• i )'

MU-THs-3083 Mand Switch Operates m-V135, Make-Up fank Liquid sample Panel.329 selector N/A N/A. M/A Switch 9 i a MU-rus-3093 Mand Switch Operates MU-V1668, seal Mater return Cooler t. Panel 3 selector N/A. ' M/A MU-C-23 Inlet slock Switch N/A e MU-FN3 3093 Hand Switch Operates MU-V1673, seal Mater return Cooler Panel 3 Salactor N/A N/A N/A ,a MU-C-28 Gatlet Block switch MU-rMs-3094 Kand Switch Operates MU-V166A, seal Mater return Cooler Panel 3 ge le'c tor a MU-C-2A Inlet Block N/A N/A switch N/A MU.rks-3095 Kand Switch Operates MU-V167A, seal Mater return Cooler Panel 3 SelsJtor N/A. N/A. M/A MU-C-24 Outlet Block switch MU-rc-3437 Hand switch O eratee MU-V26, BCP esel water return, P Panel 15 J Isolation (Auailiary Building) Pushbutton N/A N/A N/A MU-rHI-3428 Hand Switch

• i Operatae MU-V161, Make.Up pumpe to "Penet 15 Primary Loop Pushbutton N/A N/A N/A MU-TH5-3429 Hand Switch Operates HU-V163, Make-Up pumpe to Panel 15 Pushbutton N/A.

'N/A Primary toop N/A MU-rHs-3430 Mar.d switch Operatee MU-V16C, Make-Up Pumps to Panel 15 Pushbutton N/A ' Primary trop N/A N/A MU-TH3-3431 Itand Ewitch Operatas NU-V16D, kake-Up Puppe to Panel 15 Pushbutton N/A N/A N/A I Primary loop MU-THI-3441 Maed h itch Cperates MU-V294, Domineralised Water Panet S to Make-Up stream Pushbutton N/A N/A N/A Mo-rHS-3442 Hand Switch Operate MU.V36, Make.Up Pumps to seal Panel 3 Selector return coolete Switch N/A N/A N/A Mth THS-3443 Hand Switch Oprates MU.V31 Make-Up Pumps to seal Panel 3 selector return coolers Switch N/A N/A N/A Mu-rH$-3444 Ham! Sw}tch Operatae MU-V104, Purification and Panel 329 selector N/A N/A N/A Deborating Filter Outlet Sample

• Switch Mo-rus-3445 Hand switch Operates MU-Villa, Make-Up and Purification WDS Panel pushbutton N/A N/A

• N/A Dcmineralizer MU-K-IA Desin Fill 302A m-Pus =3446 Rand Switch.

Oprates MU-V1113, Maha-Up and Purificatloa WDS Panet Pushbutton N/A Dominera11ser MU-K-la Reain Pill 302A N/A N/A -e - 3 -.wa _ e m.c a .........a.-: .. -. :-- 2 r ~.. a r:-.o-g - - -w-n _ Q Ch A e e

• O r

..' f *J a .e8 r'lff.l. L l ,.,e....~ - a M. D..e _ .a M.. P.,. M. ' . ~%7 D_.,,.. c. Me. e. c- , es. o.ed

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Tanic e (continued) g,, g g l..' b h INSTP UMD4T ATICe4 AND CONTROL O I g

• Pj r

ts

• Identificati+e Description.

' runction i Input aange output mange s e rp >1nh tocation i g g i 8 g WDsPanell - d.[ 8 Mu-rus-3447 Hand settch operates MU-V285A, Muke-up and Purification e Pushbutton ; .N/A N/A N/A i Dominer t11ser nu-K-1 A Deelneralised Water Inlet '

• 302A g4 i

i l l,,g , Hand Switch Cperated MU-V2e50, Make-Up and Purtrication WDs Panel pushbutton N/A N/A. , N/A ... { . Mu-FM.8-3448 i .!.e Dominera11ser MU-K-lu Daseinerslised Nater In1 t a j l,, 302A a 9 l lMandswitch Operates MU-V292A, Nitrogen and Dominerall ed l f i WDS Panel g. 3 i l i .e g 4 + I l MU-rMs-3449 f W/A,.f,

• l )f/4

, Q,,

• I

, Puahbutton N/A Water to Nats-Up and Purification Demineraliast MU-K-1A MU-tus-3450 Hand switch Operatae MU-V2923, Nitrogen and Cemineralised Nfd Panel -

• Pushbutton M/A N/A N/A Noter to Hake-Up and Purification Dcaineraliser

' 8 3, .Mu-K-la i l M 'DP1 J451 Differential Indicates Dif ferential pressure of Purification

e. Panel 3 l N1111ameter

.In-50 ma DC1 0-30 psig . N/A Pressure Indica tor

• and deborating filters l

t .. ~. 1 l I l e [~~~ 'MU-DPN 3451 '7 Differentia 1' sends signal to MU-DP1-3451 for purification ' I { '. Aack 4 74 - f' I D/P cell

• ^'

0-30 pelg j 10-50 ma DC I N/A i Pressure and deborating filtere dif ferential prosauro -I l Transmitter i l g l MU-Des 3451 l i Differential fCableRoom I Sands alarie signal to MU-DPAH-3451 for high pressure! I ,l solid State f,, N/A

• 4-.

• N/A - *--- --- 2 5 ps ty -

e Pressure Switch,, drop acrose filtere 3 , i I e i g l e l t i p rNS-3469 i Hand switch 8 0perates MU-V3, Letdcwn cooler combined out19t '.' Panel 15

Pushbutton 8

8 -e-W/A

• * * - -

• N/A * * - -

N/A l 6 MU-FNs-3471 Hand Swltch Operates MU-V28, Letda.n cooler MU-C-15 Panel 15 Pushbutton. N/A N/A N/A 8 i- ' cooler MU-C-13 outlet ' i i I L ,'l k l-e 8 i * ! l l 4 D rus-3470 Hand Switch Operates Mu-V2A, Letdown cooler HU-C-1 A Panel 15 . Pushbutton g r ~. N/A N/A N/A

• outlet e

i. I { MU-rHs-3475. Hand b itch Operatee MU-V134, Make-Up tank gas sample Panel 329 selector N/A N/A N/A switch j I l 1% HU-DPT-3836 O!!ferential sends signal to MU-DPI-3836 for seal naturn rilter differential l Mtg. A23 D/P cell l 0-75 poi 10-50 MADC N/A

• ressure pressure Tr ansmitt er l

~ *" MU-DPI-3816 Differential Indicates Dif ferantist pressure of seal Return ritter ' Panel 3 M1111ameter 10-50 ma DC 0-75 pal N/A Pressure Indicator I s I i. MU-:Ps-3836 Differential sands alarm signal te MU-DPAH-3836 for high pressure l ' Cable Roose solid State N/A N/A 10 ps t' * * - Pressuse Switch drop across filter j MU-DPT-40 Differential sends signal to MU-DPI-40 for seal injection filters Mtg. A10 i D/P cell i 0-30 pet ~ 10V DC N/A g Pressure differential pressure l .i { ( l " I Transmitter q j.l j.. j,i l. I . i i' I I T g - w s.e w.,. _ _ _,.-- -m.w. m -

m....

Q g 3 s C 'g e CN m o .,'.. led a 5 re

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• MU-16-TE

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