Engineer Mechanical

JOSEPH RAYAPPU

Fayville, MA ***** • 508-***-**** • ********@*****.***

ADVISORY – MECHANICAL/STRUCTURAL ENGINEER

Accomplished structural engineer with 30 years of superior analytical experience with in-depth understanding of design and stress analysis of power and process high energy piping, pressure vessels, and qualification of in-line piping components for numerous static and dynamic transient loading, including evaluations of associated support structures and their anchorages.

Performed and reviewed Seismic Equipment Qualification (SEQ) for numerous electrical and mechanical equipment and components.

Excellent understanding of structural, mechanical, thermal, seismic, and vibrational behavior and load path of structures, systems, components and have a superior understanding of the governing ASME B&PV codes, regulatory, and Industry Standards for Design, Materials, Fabrication, Testing and Inspection requirements.

Industry experiences encompass Electric Power Nuclear and Fossil, Petrochemical, Industrial Power Boilers, HRSG’s fired and unfired manufacturing industry, and General Building Construction facilities nationally and internationally.

Talents & Skills Piping / Pressure vessel • Stress Analysis • Structural Support Design and analysis • Configuration Management • Method Development / Validation • Specifications Development & Documentation • Analytical Problem Solving • Project Management • Root Cause Analysis • Quality Assurance / Control System

Standards & Compliance Snapshot ASME B31.1, B31.3, ASME BPVC Sections I, II, III, V, VIII Div. 1 & 2, Sec III Div. 1, & Sec IX, TEMA, AISC, AISC N-690, AWS, ASCE 4, 7, 43-05, ACI -318 & 349, Codes (British and European equivalents), and NEMA SM-23 & IEEE 344 standards.

Technical Profile AutoPIPE, Caesar II, SIMFLEX, TPIPE, ME 101, ADL PIPE, NuPipe, Superpipe, Compress, PV-Elite, GTSTRUDL, STAAD, MathCAD, ANSYS. AutoCAD, and MS Word & Excel

CERTIFICATIONS

EPRI SQUG Walkdown Screening & Seismic Qualification

Seismic Margin Assessment Trained

Certified, UNIX, C, C++

Certified, ASME Section VIII, Division 2 Training

Certified, AutoCAD

Certified, ANSYS Part 1 & 2

Certified, Engineer-in-Training (EIT), 1994

CAREER SUMMARY

ADVISORY ENGINEER • ORANO (Former AREVA Federal Services), Aiken, SC • 02/2018 to 02/2019

Deployed at Savanah River Site MOX Facility as part of the Senior Technical Team Special projects:

Responsible for providing leadership, mentoring and guidance to other staff on engineering principles

Provided engineering resolutions to generic Field Conditional and Non- Conformance Reports for piping and supports

Resolved seismic interaction among piping (Analytical solution)

Provided numerous technical justifications and design verifications of ECR Resolutions, updated Design Criteria Guidelines and provided training on each subject matter

Established save allowable reaction loads for thin-walled piping with inadequate bearing surface

Provided engineering resolution for piping subjected external pressure that exceed B31.3 code limits for ovality

Resolve CR on MOX HVAC ducting and supports seismic qualification by implementing EPRI Limited Analytical Review methodology to qualify ducting and supports that are flexible and do not conform to current acceptance criteria

ADVISORY ENGINEER • AREVA NP Inc., Marlborough, MA • 11/1996 to 10/2017

●Provided ASME Class II and Class I piping analyses for the TVA Watts Bar 2 Steam Generator Replacement (SGR) Mod.

●Performed life prediction/fatigue evaluation of a damaged primary side SG caused by foreign material for St. Lucie Unit 2

●Resolved Operability Water Hammer issues in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems piping due to gas accumulation; In response to NRC Generic Letter 2008-01

SELECTED PROJECTS

●Lead SEQ Remote Engineer on MOX Project with accountability for seismic qualification of frame support structures, Evaporator Pressure vessels, and attached piping employing GTSTRUDL and Excel spreadsheets.

−Established methodology for combined stress analysis of the above structure and components including seismic analysis and perform code checks for vessel and piping outside of GTSTRUDL analysis using Excel spreadsheet.

−Developed Excel spreadsheets for code compliance checks of lethal service vessels to ASME SEC. VIII, Div. 2 requirements, including local stress evaluation of nozzles and support attachments using WRC-107, following GTSTRUDL analysis for post-processing.

−Engineered methodology for general and local stress evaluation of vessels and ASME B31.3 unlisted component qualification using ANSYS, while conforming to ASME SEC. VIII, Div. 2 acceptance criteria.

−Authored specification for proof testing of ASME B31.3 unlisted components qualification.

−Performed Seismic Equipment Qualification (SEQ) Owner Acceptance Review (OAR) of numerous electrical and mechanical components for MOX, including Emergency Diesel Generator.

−Generated ASME UHX evaluation of tube and tubesheets of HX’s (reboilers and coolers).

−Resolved numerous Condition report (CR) associated with fabrication all pressure vessels and heat exchangers.

●Lead Mechanical Engineer on Uranium Enrichment Facilities with oversight for the mechanical/structural scope of work, including budget and schedule. Activities included preparing and reviewing various specifications, design criteria documents, task plans, and calculations.

−Ensured compliance of UF6 aluminum process piping to all ASME B31.3 Category M fluid service requirements.

−Accomplished the Americanization of European supplied equipment for conformance to US codes and standards and US NRC licensing commitments. Identified design and analysis requirements for SEQ, material conformance, fabrication, and testing requirements.

oEquipment included autoclaves, FLOMELS, hot and cold stations, cold and NaF traps, pumps, glove boxes, and miscellaneous skid-mounted equipment and anchorage.

−Established seismic qualification requirements for ASME Sec VIII, Div. 1 and 2 pressure vessels and API 650 tanks.

−Co-authored items Relied On For Safety (IROFS) implementation strategy document.

−Coordinated and interfaced work activities among satellite offices and other disciplines.

●Lead Engineer DOE Hanford River Protection Project – Waste Treatment Plant. The scope of work encompasses the design and fabrication of four Forced Circulation Vacuum Evaporator Systems to treat the high and low radioactive waste and the recovery process of cesium nitric acid.

−Developed all ASME B31.3 piping evaluation.

−Facilitated the review of vendor drawings, code calculations in accordance with ASME Sec VIII, Div. 1, and seismic analyses with ASME Sec VIII, Div. 2 using ANSYS of numerous pressure vessels.

−Generated fatigue evaluation using exemption rules of numerous vessels.

−Performed a lead role in the walk-down, detail design and qualification of instrument tubing and electrical conduits for Containment Leak Detection System (FLUS) at Davis-Besse Nuclear Plant.

−Accountable for the qualification of all high energy large bore piping and supports at various combined cycle power stations.

●Stepped in as a Resident Engineer (RE) for Trigen Energy at Millennium Chemicals Facility in Baltimore, MD. Led all civil structural and mechanical work during the construction of 20 MW combined cycle power station. Also, responsible for piping layout and support design including a pipe bridge structure for mainsteam line from HRSG to Back Pressure Steam Turbine

−Evaluated pressurizer vent header piping at the Salem 1 & 2 for various transients’ loads and other dynamic and static loading.

SENIOR MECHANICAL CONSULTING ENGINEER • Zurn Energy Division, Erie, PA • 8/1994 to 11/1996

Performed specialty engineering activities, including thermal, mechanical, and structural designs with consideration to cost, fabrication, and erection techniques associated with boiler structures.

●Completed mechanical and structural enhancements to existing heat recovery steam generators (HRSG’s) and packaged boilers. Established conceptual designs of double- and triple-wide module HRSG’s. Published an internal stress report that compared various platen tube assemblies used in HRSG’s.

●Resolved chronic HRSG Superheater drain failure issues and acoustic and flow-induced vibration problems in HRSG modules.

●Reviewed pressure vessels and internals for various loading and code compliance conditions.

●Completed a solid fuel boiler frame structure structural design ahead of schedule and under budget.

●Authored and reviewed various mechanical and structural design standards. Prepared calculations, specifications, and material requisitions for inquiries and purchases. Reviewed shop drawings to ensure requirements for quality, code compliance including welding details, cost effectiveness and design consistency.

SENIOR ENGINEER • Foster Wheeler, Clinton, NJ • 8/1993 to 8/1994

Performed numerous piping analyses including vent header from Coke Drum to Fractionator on Coker Oil Refineries.

SENIOR CONTRACT ENGINEER • Raytheon Engineers & Constructors

Cambridge, MA & The Hague, Netherlands • 11/1989 to 5/1993

Completed and reviewed pipe stress analyses and support designs for numerous refineries and chemical facilities. Ensured the structural integrity and operability of pumps, turbines, compressors, heat exchangers and vessels for nozzle loads from attached piping systems.

●Determined critical vibration problems in large turbine driven pumps, compressors and piping, including analyzing for long-term impacts (fatigue) if left unresolved. Work included short-term assignments in The Hague, Netherlands; Worth, Germany; and Yulsan, Korea.

●Identified and resolved problems in Shell Oil Company’s RER NEMA Program.

●Performed pressure pulsation analyses. Wrote expansion joint specifications. Answered questions and resolved issues associated with pipe fabrication and field-related problems.

SENIOR ENGINEER • ABB Impell Corporation, Natick, MA • 1986 to 1989

Spearheaded various special engineering tasks for numerous power, pulp and paper plants.

●Resolved numerous pipe stress and pipe support problems.

●Executed seismic analyses of reactor and turbine buildings, which included generating building amplified response spectra.

●Performed comparative studies on local stress in vessels due to nozzle loads using ANSYS finite element analyses versus Welding Research Council (WRC) 107 requirements.

●Provided structural evaluations of erosion/corrosion (E/C) problems in existing piping, heat exchanger and pressure vessels for thermal and seismic loadings, and of motor-operated valve (MOV) thrust and seismic loadings.

●Evaluated a spent fuel pool’s structural adequacy by determining existing cracks and increased future fuel rack loads.

EARLY CAREER

DESIGN ENGINEER • Stone & Webster Engineering Corporation, Boston, MA

ENGINEER II • Raytheon Engineers & Constructors, Philadelphia, PA, Deployed in Seabrook Station, Seabrook, NH

JUNIOR STRUCTURAL ENGINEER• Sir Robert McAlpine & Sons, Ltd., London, England

EDUCATION

MS Coursework Completed, Master of Science (MS)

Structural Engineering, University of New Hampshire

Bachelor of Science (BSCE), Civil Engineering, U.S. International University, San Diego

Higher National Diploma, Structural Engineering, University of The South Bank, London, England

PROFESSIONAL MEMBERSHIPS

Member, American Institute of Steel Construction (AISC)

Member, American Society of Mechanical Engineers (ASME)

Member, American Nuclear Society (ANS)

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