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Ensuring Nuclear Safety in fleet mode of Indian PHWRs

U. C. Muktibodh

Director (Technical)

NPCIL

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Setting up of Fleet mode Reactors

First time in the history of DAE financialsanction is issued by Government of India for10 reactors in fleet mode.

The work on 2x700 MWe PHWRs at GHAVP hasjust commenced.

All these reactors are planned to beprogressively commissioned from year 2024 to2031.

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Setting up of Fleet mode Reactors

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Setting up of Fleet mode Reactors

The fleet mode schedule is drawn based onIndustry feed back and achievable targets.

The plan involves investment of aboutRs. 1,25,000 Cr.

70% of this investment will be inmanufacturing sector and 25% will be inConstruction sector.

This is a mammoth task and entire nuclearindustry need to take up this challenge.

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Fleet mode implementation

NPCIL RegulatoryBody

Industry

These agencies have a definite role to play for

successful implementation of program.

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Ensuring safety

Ensuring safety of NPP begins from siteselection and continues tilldecommissioning of the plant.

Ensuring safety means ensuring thequality requirement as brought outduring-

design & engineering,

procurement & construction and

Operation and maintenance of plant.

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Timely completion of project in itself ensuresquality and thus safety. This requires-

A well planned project strategy to meet allrequirements.

On time regulatory clearances.

Industry meeting schedule requirements.

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Project Strategy

Standardisation of design is the key.

Keeping GHAVP-1&2 as the standardmodel, two enveloping designs; one forsoil strata and other for rock strata havebeen envisaged.

All construction drawings will be availableprior to FPC.

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Project Strategy

Supply of free issue material for all majorand critical equipment.

Strategy for procurement of majorequipment finalized to provide assuranceregarding continuity of orders to theIndustry.

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Project Strategy

Feed back obtained from industry isbeing appropriately addressed intendering conditions.

Augmentation of manpower for fleetmode implementation initiated, withimmediate emphasis on enhancement inQA manpower.

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Regulatory Support

Regulatory clearance for two standarddesigns i.e. one for soil strata and otherfor rock strata.

Project wise review to be limited to sitespecific design parameters and designdocuments.

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Regulatory Support

Combined siting and excavation consent.

Early Regulatory clearance for DBGM.

Single construction consent for FPC andmajor equipment erection.

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Challenges for Industry

Mobilization of resources by Industry tomaintain supply requirements.

To build robust internal QA system andFocus on First time correct approach.

Retention and development of skilledmanpower in manufacturing, constructionand quality assurance.

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Challenges for Industry

Simultaneous construction activity at multipleSites.

Strengthening financial capacity to meetlarge supply requirements.

Quality issues in the recent past is an area ofconcern- Industry need to address.

Expect Industry to learn from experience ofKAPP-3&4 and RAPP-7&8.

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Timely completion of project and a strongquality culture in Nuclear Industry willensure Nuclear safety.

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Thank You

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