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In-Service Inspection of Nuclear Power Plants - gnssn - International ...

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Please see http://www-ns.iaea.org/standards/<br />

SYSTEM/COMPONENT ABBREVIATIONS FOR ASME CLASS 2<br />

SYSTEM/COMPONENT<br />

ABBREVIATIONS<br />

BHS<br />

BSS<br />

HPCI<br />

MSH<br />

MSS<br />

N<br />

PNC<br />

PSA<br />

PVH<br />

PVS<br />

RAS<br />

RAW<br />

RBS<br />

RBW<br />

RCIC<br />

RCT<br />

RHA<br />

RHB<br />

RHC<br />

RHD<br />

RHF<br />

RHH<br />

RHR<br />

RHRA<br />

RHRB<br />

RHRC<br />

RHRD<br />

RHS<br />

RSA<br />

RWA<br />

SW<br />

SYSTEM/COMPONENTS<br />

Branch Steam Hanger<br />

Branch Steam Seismic Restraint<br />

HPCI Flange-to-Pump Bolting<br />

MS Hanger<br />

MS Seismic Restraint<br />

Nitrogen Primary Containment Bolting<br />

Nitrogen Primary Containment Isolation<br />

System<br />

HPCI Steam<br />

Process Vent Hanger<br />

Process Vent Seismic Restraint<br />

RHR Loop A, Steam<br />

RHR Loop A, Suction Bypass, Torus Test<br />

Line and Spray<br />

RHR Loop B, Steam<br />

RHR Loop B, Water<br />

RCIC Flange-to-Pump Bolting<br />

RHR Cross Tie<br />

RHR 20" Supply<br />

RHR Loop A, Water<br />

RHR Loop B, Water<br />

6" RHR Head Spray Vent<br />

RHR Heat Exchanger Flange Bolting<br />

RHR Hanger<br />

RHR Heat Exchangers<br />

RHR Pump 1A Strainer, Bolting<br />

RHR Pump 1B Strainer, Bolting<br />

RHR Pump 1C Strainer, Bolting<br />

RHR Pump 1D Strainer, Bolting<br />

RHR Seismic Restraint<br />

RCIC Steam<br />

RCIC Water<br />

<strong>Service</strong> Water<br />

62

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