ML20045A026

Forwards Draft Composite of Subsection 3.9.6 Re Design & Qualification Requirement for Addition to Page 3.9-22

ML20045A026
Person / Time
Site:	05200001
Issue date:	06/02/1993
From:	Fox J GENERAL ELECTRIC CO.
To:	Poslusny C NRC
References
NUDOCS 9306090264
Download: ML20045A026 (5)

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AM W K uutrma Slan~dard Plant my 3 ance with the ASME Boiler and Pressure vessel 3.93J.1.1 Considerition of Loading, Code Scct' ion !!!. For Class ! piping, stressses Stress, and Acceleration Condiflons la the are calculated on an clast:c basis and evaluated Analysis in accordance with NB.3600 of the ASME Code, Section Ill. For Class 2 and 3 piping, stresses in order to avoid damage to the ECCS pumps are calc ulated on an elastic basis and esaluated during the faulted plant cor'dition, the stres-in accordance with NC/ND 3600 of the Code, ses caused by the combination of normal ope.

rating loads, SSE, other RBV loads, and dyna-3.9J.; Pump and Vabe Operability Assurance mic system loads are limited to the material clastic litnit. A three dimensional finite.

Aaise mechanical (with or without e!cctrical element model of the pump and associated motor operation; equipment are Seisreic Category I and (s e e S u bs e ctions 3.9.3.2.2 and 3.9.3.2.1.5 for each is designed to perform a mechanical motion RCIC pump and turbine, respectively) and its for its safety-related function during the life support is developed and analyzed using the of the plant under postulated plant conditions. response spectrum and the dynamic analysis me.

Equipment with faulted condition functional thod. The same is analyzed due to statie nor.

requirements include actne pumps and valves in zie loads, pump thrust loads, and dead weight.

fluid systems such as the residual heat removal Critical location stresses are com pared with system, emergency core cooling system, and main the allowable stresses and the cri- tical steam system. location deflections with the allow ables; and accelerations are checked to eval- unte This Subsection discusses operability operability. The average membrane stress cru assurance of active ASME Code Section Ill pumps for tbc faulted condition loads is limited to and valves. including motor, turbine or operator 1.2S o r a p p r oxim a t ely 0.75 0 (0 =

that is a part of the pump or valve (See yield stress), and the maximum streslin l5 cal S ubse ction 3.9.2.2). The COL applicant must fibers (Om + bending stress ab) is limited ensure that specific environmental parameters are to 1.8S or approximately 1,10 . The properly defined and enveloped in the methodology maximum faulted evenfnozzle loads Iare also for in 3p-cific plant and impleasented in its considered in an analysis of the putap supports i equipment qualification program. to assure that a system :nisalignment cannot occur.

Safety.related valves and pumps are qualified by testing .nd analysis and by satisfying the Performing these analyses with the stress and deformation criteria at the critical conservative loads stated and with the locations within the pumps and valves. restrictive stress llenits as allowables assures Operability is assured by meeting the that critical parts of the pump and associated r e q uire:n e nt s of the progr ams define d in motor or turbine will not be damaged during the Subsection 3.9.2.2 Section 3.10, Section 3.11 faulted condition and that the operability of and the followin bsections, the pump for post faulted condition operation i W sW 7 3.9, u will not be impaired.

S e c tion 4.4 of G E's E nviron m e n t al Qualification Program (Reference 6) applies to 3.9.3.2.1.2 Pump / Motor OperatJon During and this subsection, and the seismie qualification Following Dynamle Loading methodology presented therein is applicable to mechanical as well as electrical equipment. Active ECCS pump /tnotor rotor combinations are designed to rotate at a constant speed under all 3.93.2.1 ECCS Pumps, Motors and Turbine couditions Motors are designed to withstand short perii ds of severe overload. The high Dynamic quahfication of the ECCS (RHR, RCIC rotary inertia in the operating pump and HPCF) pumps with motor or turbine usembly is also described in Subsections 3.9.2.2.2.6 a n d 3.9.2.2.2.7 14%RT 3 9.12

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, ance with the ASME Boiler and Pressure Vessel 3.9.3.2.1.1 Conalderat!on of Loading, Code Settton !!!. Por Class 1 piping, stressses Stress, and Acceleration Conditions la the are calcu' lated on an elastic basis and evaluated Analysis in accordance with NB.3600 of the ASME Code.

Section !!!. For Class 2 and 3 piping, stresses In order to avoid damage to the ECCS pumps are calculated on an clastic basis and evaluated during the f aulted plant condition, the stres.

in accordance with NC/ND 3600 of the Code. ses caused by the combination of normal opc.

rating loads, SSE, other RBV loads, and dyna.

3.9J.; Pump and Vabe Operibility Assurance mit system loads are limited to the material clastic limit. A three dimensional finite.

Actne mechanic.nl (wnh or without electrical element model of the pump and associated motor operation) equipment are Seismic Category I and (s ee S u bs ections 3.9.3.2.2 and 3.9.3.2.1.5 for each is designed to perform a mechanical motion RCIC pump and turbine, respectively) and its for its safety.related function during the life support is developed and analysed using the of the plant under postulated plant conditions. response spectrum and the dynamie analysis me.

Equipment with faulted condition functional thod. The same is analyzed due to static nor-requirements include active pumps and valves in zie loads, pump thrust loads, and dead wei6 ht.

fluid systems such as the residual beat removal Critical location stresses are com. pared with system, emergency core cooling system, and main the allowable stresses and the erl. tical steam system. location deflections with the allow ables; and accelerations are checked to eval- unte This S ubse ction discusse s operability operability. The average membrane stress am assurance of active ASME Code Section III pumps for the faulted condition loads is limited to and valves, including motor, turbine or operator 1. 2 5 o r approximately 0.75 a (0 =

that is a part of the pump or valve (See yield stress), and the maximum stre:I in IUcal Subsection 3.9.2.2). The COL applicant must fibers (am + bending stress ab) is limited ensure that specific environmental parameters are t o 1.8S or approxim a t ely 1.1 0 . The properly defined and enveloped in the methodology maximum faulted event nozzle loadsYarc also for its specific plant and implemented in its considered in an analysis of the pump supports equipment qualification program. to assure that a system misalignment cannot occur.

Safety-related valves and pumps are qualified by testing and analysis and by satisfying the Performing these analyses with the stress and deformation criteria at the critical conservative loads stated and with the locations within the pumps and valves. restrictive stress limits as allowables assures O pe r abilit y is assured by meeting the that critical parts of the pump and associated requirements of the programs defined in motor or turbina will not be damaged during the Subse ction 3.9.2.2 Section 3.10, Section 3.11 faulted condition and that the operability of and the followin bsections. the pump for post faulted condition operation tw m 3.9.s.y will not be impaired.

S e c tion 4.4 o f G E's Environmental Qualification Program (Reference 6) applies to 3.9.3.2.1.2 Pump / Motor Operstjon During and this subsection, and the seismic qualification Following Dpamic Imding methodology presented therein is applicable to mechanical as well as electrical equipment. Active ECCS pump / motor rotor combinations are designed to rotate at a constant speed under all 3.9.3.2.1 ECCS Pumps, Moton and Turbine conditions. Motors are designed to withstand short periods of severe overload. The high Dynamic qualification of the ECCS (RHR, RCIC rotary inertia in the operating pump and HPCF) pumps with motor or turbine auembly is also described in Subsections 3.9.2.2.2.6 a nd 3.9 2.2.2.7.

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May 19.1993 Docket No. STN 52 001 I l

Chet Poslusny, Senior Project Manager Standardization Project Directorate Associate Directorate for Advanced Reactors and License Renewal Office of the Nuclear Reactor Regulation

Subject:

Submittal Supporting Accelerated ABWR Review Schedule Draft Composite of Subsection 3.9.6

Dear Cher:

Enclosed is a draft composite of SSAR Subsection 3.9.6.

Please provide a copy of this transmittal to Renee Li.

Sincerely, a

Jack Fox Advanced Reactor Programs ec: Bernie Genetti (GE)

Norman Fletcher (DOE) amoi P35ga5cisa !. f

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i May 19,1993 Docket No. STN 52 001 I

Chet Poslusny, Senior Project Manager Standardization Project Directorate Associate Directorate for Advanced Reactors and License Renewal Office of the Nuclear Reactor Regulation Sutsject: Submittal Supporting Accelerated ABWR Review Schedule Draft Composite of Subsection 3,9.6

Dear Chet:

Enclosed is a draft compcsite of SSAR Subsection 3.9.6.

Please provide a copy of this transmittal to Renee Li.

Sincerely, 9

Jack Fox Advanced Reactor Programs cc. Bernie Genetti(GE)

Norman Retcher (DOE) l im a. I LQ p - #

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