Mechanical Engineer Engineering

Didi Widjaja – Senior/Lead Mechanical Engineer

Phone: +62-813-****-****; Email: ****.*******@*****.***

Professional Summary

Managed the mechanical engineering design and related equipment, more than 20 years, in crude oil & gas production facilities, modification of petrochemical plants, new and upgrade offshore platforms.

Participated in developing Process Flow Diagram, Plant Layouts, Mechanical Flow Diagram, Safety Flow Diagrams, Cause and Effect Matrices, Engineering Specification, undertake Design Studies.

Participated in most project phases from conceptual design, FEED, technical study, detail design, installation, and start-up.

Prepared equipment's Enquiry Specifications, Data Sheets and Requisitions, Reviewing and analyzing Vendor bids, Preparation of Technical bid evaluation, Issuing Purchase Specifications, and Reviewing of Vendor documents and coordination with various other disciplines for data inputs. Attended meeting with vendor representatives and FAT at vendor’s work sites.

Single-point responsibility for all mechanical static equipment deliverables and ensure that they conform to all applicable engineering codes and standards as well as the Client's policies and procedures

Participated in all project safety and DESIGN/HAZOP/HAZID & Constructability reviews as necessary

Ensured that the overall project is delivered to meet the asset operational needs.

Ensured that all work is completed without compromise to quality and is delivered according to the project schedule.

Liaised with the Client's Engineering team as required to ensure a consistent approach to project completion

Active participation in Bid clarification and Vendor kick-off meetings, through the course of the projects.

Performed ASME pressure vessel design calculation, API tank design calculation, compressor calculations, pump calculations, piping size calculations, HVAC calculations.

Participated in equipment fabrication workshop activities such as material inspection, stage inspection, welding, painting, NDT inspection & final inspection.

Prepared man-hour and cost estimates for studies, design, fabrication, and installation.

Supervised and maintained mechanical engineering deliverables, incorporating other disciplines input and meets the project's requirements.

Provided technical assistance, coordination, and liaison with other discipline engineers on all aspects of Engineering / technical matters and audits.

Reviewed and approved Sub-Contractor's work and ensure compliance with the contract, project specification, relevant codes and standards and best practices.

Familiar with ASME, TEMA, ASTM, API, PD, EN, AD-Merkblatt, Shell’s DEPs, JIS, NFPA, ASHRAE.

Provided technical support to construction, maintenance and operation team of tanks or any equipment, carried out troubleshooting and resolving chronic problems.

International experience working in Azerbaijan, Kuwait, Nigeria, Malaysia, Germany, Japan, Singapore, USA, Indonesia, happy to work as part of a multinational team design engineer, able to work under pressure with tight schedules, available to start immediately.

Education

B.Sc. Mechanical Engineering. Iowa State University. 1988

Iowa State Certified Engineer in Training (EIT) 1988-Present

Familiar with software programmes: MS Office, PV Elite, AutoCAD, Trane Trace, Fortran 77.

Interest reading engineering books:

Selecting and Purchasing Pumps by Vinod Patel and Trygve Dahl.

Pump Handbook 3rd Edition edited by Igor J. Karassik, Joseph P. Messina, Paul Cooper, Charles C. Heald

Centrifugal and Axial Pump Design and Off-Design Performance Prediction by Joseph P. Veres

Gas Turbine Engineering Handbook 2nd Edition by Meherwan P. Boyce

Design of Reinforced Concrete 9th Edition by Jack C. McCormac and Russell H. Brown.

Other engineering books.

Work History

Freelancer

Design Engineer, Project Engineer, and Construction Engineer 11/2020 – present

Design, calculate and construct a 4-Storey building.

Construction Supervisor 3-Storey Building. 05/2017 – 04/2018

Construction Supervisor 2-Storey Building. 03/2016 – 02/2017

Held responsible for: Selected and managed staffs and subcontractors; communicated job expectations; calculated and allocated resources; scheduled and coordinated staff and subcontractors; monitored and controlled performance; evaluated milestone assumptions and conclusions; resolved design problems; evaluated and implemented change orders; approved construction projects by conducting inspections at critical phases; obtained approvals from buyers; prevented fines and interruptions; maintained safe, secure, and healthy work environment.

Amec Foster Wheeler. Azerbaijan

Senior/Lead Package Mechanical Engineer 05/2012 – 10/2015

Prepared and issued: Gannt chart, CTR, the scope of work, requisition A00 & B00, specs, data sheets, participated HAZOP, project progress, deviation request. Reviewed and approved: SDDR, updated project progress, issued deviation request, concession request, vendor docs/drawing and other deliverables.

Ensured that designs comply with international codes of practice, standards, and statutory regulations.

Delegated work assignments by matching the responsibilities and capabilities to the personnel, effectively follow-up, and provide support.

Produced Water and Sand project – DWG platform and WA platform. 07/2013 – 10/2015

Equipment: vessels, liners, chemical injection pumps, produce water pumps, makeup booster water pump, slurry pump.

LTPW – TSS project in export water from Sangachal. 06/2013 – 08/2013

Equipment: Temporary filter package.

Flare Project - Sangachal Shah Deniz. 05/2012 – 05/2013

Equipment: Instrument air receivers, nitrogen air receivers, wet air receivers, closed drain drums, propane storage package, cryogenic vessel (EN 13458), and nitrogen storage package.

Sewage Water Treatment Project – DWG platform. 05/2012 – 12/2012

Prepared TBE and purchase requisition: Sewage water treatment package.

WorleyParsons Kuwait W.L.L

Senior Mechanical Design Engineer 07/2011 – 04/2012

WARA Pressure Maintenance Project, and Telemetry Project for Kuwait Oil Company.

Ensured that designs comply with international codes of practice, standards, and statutory regulations.

Supervised and maintained mechanical engineering deliverables, incorporating other disciplines input and meets the project's requirements.

Reviewed documents prepared by other disciplines

Reviewed and approved vendor docs/drawings and other deliverables.

Mechanical equipment: Air cooling system, Air Cooler Heat Exchanger, pressure vessels, tanks, injection pumps, compressors.

PT Primacitra Guna Nusa.

Senior Mechanical Engineer 02/2010 – 06/2011

Petrochemical projects.

Held responsibly: Developing equipment specifications, vendor proposals, data sheets and technical studies.

Performed ASME vessel design calculation, API tank design calculation.

Prepared mechanical data sheets and design drawing: Pressure vessels and storage tanks.

DeltaAfrik Engineering Ltd. Nigeria

Senior Mechanical Engineer 05/2007 – 12/2009

Onshore Asset Gas Management Project, Client Chevron Nigeria Ltd

Eastern Area Gas Utilization Project, Client Chevron Nigeria Ltd.

Prepared mechanical data sheets for new and upgrade, FEED for offshore platform project, equipment: Slug catcher, scrubber, pig launchers, pig receivers, gas engine driven, gas turbine, compressors, twin screw multiphase pump, sump pumps, chemical injection package, sump tank, flare tip.

Plant & Offshore Technology Sdn Bhd. Malaysia

Senior Mechanical Engineer 06/2006 – 05/2007

Assigned to develop Design Calculation for software development: Pressure vessel, heat exchanger (ASME & TEMA), atmospheric storage tank (API), pipe sizing, heating coil, seismic-load, wind load, base plate, and anchor bolt.

Performed atmospheric tank design calculation comply with API code and Shell standard, client Petronas.

PT Primacitra Guna Nusa.

Project Mechanical Engineer 10/1999 – 05/2006

Petrochemical Projects.

Responsible for the overall mechanical design and project management.

Performed responsibilities of developing equipment specifications, vendor proposals, data sheets and technical studies.

Developed project schedules, calculation of the equipment estimated costs, reviewed and approved design calculations for pressure vessel, storage tank, steel structure, pipe sizing.

Attended meeting with vendor representatives and FAT at vendor’s work sites.

PT Lurgi Indonesia Engineering

Project Mechanical Engineer 05/1996 – 06/1999

Phenolchemie Mobil 1 Project 05/1998 – 05/1999 – Germany

Trinidad Methanol Project 10/1997 – 01/1998- Germany

Kaltim Methanol Project 05/1996 – 04/1998 - Indonesia

Supervised design consultants, prepared mechanical data sheet, reviewed and approved design drawing (~500 static equipment: column, pressure vessels, drums, tanks), evaluated vendor proposal; searched materials and sub-contractors; attended meeting with vendor representatives and kick off meetings, fabrication in South Korea.

PT Pertafenikki Engineering (JGC group).

Mechanical Design Engineer 11/1993 – 04/1996

Exor-1 project, OSO NGL project.

Performed calculations: ASME vessel design, API tank design, pipe sizing, HVAC.

Prepared and issued mechanical data sheet, design drawing, RFQs, TBE, and purchase requisition, reviewed and approved design drawing.

Worked together with mechanical engineering department at JGC in Japan.

Reviewed contractor and vendor equipment submittal bid analysis.

Ensured that designs comply with international codes of practice, standards and statutory regulations.

Ceria Worley Joint Operation.

Project Engineer and Senior Procurement Engineer. 03/1993 – 08/1993

Offshore North West Java phase II project, client: ARCO

Searched and sourced vendor, prepared and issued RFQs for Electrical, Mechanical, Piping and Structural items, expedited and gathered vendor and sub-contractor quotations for cost estimation.

PT Komaritim (Stolt Comex Group).

Project Engineer 03/1991 – 02/1993

BTSA/BZZB Deck Project, client: ARCO

Prepared and issued: RFQs, TBE and Purchase Requisition for pumps, chemical injection package, marine crane.

Ensured that designs comply with international codes of practice, standards and statutory regulations.

Spiral Pipe Jetty Project, client: PT Adaro Indonesia

Construction supervisor.

Jetty Project, client: AMOCO

Cost estimation and construction schedule.

PT McDermott Indonesia.

Buyer 09/1989 – 03/1991

Intan 1-6 deck and Widuri deck project, client: MAXUS; BZZA deck project, client: ARCO

Searched and sourced vendor, prepared and issued commercial bid evaluation, purchase requisition (incl. negotiation, letter of intent, and purchase order) and expedited order.

Worked together with purchasing department at McDermott in Singapore.

Memberships

Indonesian Society of Engineers (PII), # 003881

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