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FIGURE 4-1 REACTOR COOLANT SYSTEM - UNIT 1
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Control Element Dri.,c Mechanism l'bule Oosure Head INUlation Removable----.J Insulation Core Stabilizing
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Calvert Cliffs Nuclear Power Plant REACTOR VESSEL Figure 4-2 Rev. 38
SECCNJ>.RY DECK STE'°'K DRUK l<ANWi.Y Calvert Cliffs Nuclear Power Plant STE llM oun.LT M.."ZlLE f'EE:O\\.IATER C-00.SENE(J(
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SUf"PORTS STEAM GENERATOR PROFILE VIEW ION Figure 4-3A Revision 33
PRT M.ARY
- NLET NOZZLE Calvert Cliffs Nuclear Power Plant PP.lMARY s.ANWAY SOTTOt-f VIEJ.(
BASE SUPPORT PRIMARY CJUTLET NOZZLE PRiMARY MA?-tWAY STEAM GENERATOR PRIMARY HEAD DESIGN Figure 4-38 Revision 33
Closure Stud 4-4 REACTOR COOLANT PUMP n---Coupling Spacer I
STUFFING BOX COOLING WATER OUTLET Pump Case BALTIMORE Figure GAS & ELECTRIC Co.
Reactor Coolant Pump 4-4 Calvert Cliffs Nuclear Pcwer Plant FOR SEAL AREA SEE FIG, 4-6AND FIG.4.6A)
REV.I I 1/91 Rev. 11
4-6 REACTOR COOLANT PUMP - SEAL AREA SEAL CONTROLLED BLEEDOFF.
CONNECTION PRESSURE. TAP C 0 NNECT IONS '-+-+--H-p;i!Jj COOLING WATER CONNECTION BALTIMORE GAS & ELECTRIC Co.
Calvert Cliffs Nuclear PC"Wer Plant Reactor Coolant Pump - Seal Area
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4-6A REACTOR COOLANT PUMP - SEAL AREA TM
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ROTATION LUG SEAL--
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ll"'IJ ROTATING SUPPORT RING SECONDARY SEAL SLEEVE STATIONARY SEAL RING: CARRIER "CENTERING' "0-RINGS'
PIJMP SHAFT SEAL SLEEVE BALTIMORE GAS & ELECTRIC Co.
Calvert Clirfs NucJear PC"Wer Plant Figure Reactor Coolant Pump - Sea.;;..;
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efevotion Note 1: Mechanical nozzle seal assemblies may be installed on the 1" instrument nozzles in place of the "J-Groove" welds.
There are restrictions for use on leaking nozzles.
See Safety Evaluation for NRG Code Relief Re uest a roval dated Au ust 7, 2002.
Calvert Cliffs Nuclear Power Plant PRESSURIZER Figure 4-8 Revision 33
4-9 TEMPERATURE CONTROL PROGRAIV 600 590 IJ..
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Percent 100% = 2700 Mwt NOTE:
THIS FIGURE SHOWS MAXIMUMThot ANOToveroge ASSUMING MINIMUM RCS FLOW.
BALTIMORE GAS & ELECTRIC ca.
C<1 I vel""t CI i ffs Nucle<1r Powel'" Pl<1nt TEMPERATURE CONTROL PROGRAM 80 601 OF 574.SOF 548 OF 90 100 REV.
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F THE PRESSURIZER LEVEL SET POINT PROGRAM MAY BE ADJUSTED FOR THE INCREASE IN Tove CAUSED BY SG TUBE PLUGGING.
BALTIMORE GXS & ELECTRIC ca.
Colver-+ Cliffs Nuclear-Power Plcnt Pressurizer Level Set Point Program
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4-11 PRESSURIZER LEVEL CONTROL PROGRAIV
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Colvert Cliffs Nuclear Power Plant 40 30 20 10
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Nominal letdown is 38 gpm to maintain pressurizer level ot setpolnt with one charging PUlll> cperating contlnuosly.
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ON Low level alarm and backup sTonal to start all chargtno PUITPS Revision 24 Pr-essurizer-Level Control Program Figur-e 4-11 Rev. 24
4-12 C-E DESIGN CURVE OF NOTT INCREASE (550°F IRRADIATION)
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Calvert Chffs Nuclear Power Plunt Fluence, n/cm2.> 1 MeV C-E Design Curve of NOTT Increase (55D°F I rradiati'ln)
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Compartment
} Wedge Coupling Assembly Charpy Impact Compartments Tensile -Monitor Compartment Tensile -Monitor---... 1 Compartment DALTIMOl+E Charpy Impact Compartments GAS & ELECTRIC CO.
Calvert Cliffs Nuclcm Power Pinnt Typical Surveillance Capsule Assembly 1gure 4-14 Rev.a
4-15 TYPICAL CHARPY IMPACT COMPARTMENT ASSEMBLY Wedge Coupling - End Cap Charpy Impact Specimens Rectangular Tubing Wedge Coupling - End Cap BALTIMOim GAS & ELECTRIC CO.
Calvert Chffs N11de;1r Powc-r Pinnt Typical Charpy Impact Compartment Assembly F1gu re 4-15 Rev.a
4-16 TYPICAL TENSILE - MONITOR COMPARTMENT ASSEMBLY Wedge coupling - End Cap----
Stainless Steel Tubing Threshold Detector Flux Spectrum Monitor Temperature Monitor Temperature Monitor Housing Tensile Specimen -
Split Spacer - N------4 I
Tensile Specimen Housing ----
Flux SP.ectrum Monitor Catlmium Shielded Stainless Steel Tubing Cadmium Shield Th res hold Detector
,.,___Quartz Tubing Weight Low Melting Alloy Rectangular Tubing Wedge Coupling - End Cap BALTIMORE GAS & ELECTRIC CO.
Calvert Cliffs Nuclear Pow\\?r Plant Typical Tensile-Monitor Compartment Assembly Rev.a
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L1NT SYSTEM SL-460
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Calvert Cliffs Coastdown Operating Region
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CALVERT CLIFFS COASTDOWN OPERATING REGION I
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