Engineering Management Specialists, Inc.

Quality ● Responsiveness ● Dependability

Valves

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Nuclear

Design Changes / Mods

Seismic Qualification

Environmental Qualification

Procurement Engineering

Piping Stress Analysis

Valves

Quality Assurance

Text Box: Significant cost savings can be achieved by reviewing the station’s overall SRV population, iden­tifying how many different SRV manufacturers are used, and determining how many SRV models are obsolete. EMS has helped nuclear stations achieve these cost savings by consolidat­ing re­placement SRVs into a handful of models from one OEM and pre-engineering item equivalency evaluations into 1or 2 engineering change packages so that installation is pre-approved. Fur­ther cost savings are achieved by standardizing the SRV installation design, which will yield ma­jor cost savings in craft labor and dose reduction. Implementation of ASME Section XI Code Case allows for additional significant procurement cost savings for ASME Section III SRVs ≤ 1”. Cost savings are achieved by EMS performing the following engineering activities: Revise purchase specification to incorporate latest station design basis, system characteristics due to power uprate, UFSAR commitments, etc. SRV scope identification, considering: Obsolete designs Non-flanged SRVs SRVs elevating plant risk/down power Specific OEMs SRVs trending high maintenance Review fluid & system parameters with OEM of choice, select SRV design that covers multiple applications. Perform pre-installer’s walkdown with Maintenance dept. personnel to ID interfenences, material needs, SRV connection design, etc. for all SRVs in scope. Pre-engineer design change packages, including 50.59 reviews, item equivalencies, standardize installation details, SQ reviews so that installation is pre-approved. Select SRV design improvements to enhance reliability.

SRV Standardization & Obsolescence Reduction cont…)

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