Piping Engineering / Design Blog.


Piping Designer – Petrofac Muscat

Posted by Antony Thomas at Tuesday, March 31, 2015

Job Description

Designer I - Piping-010446



1. Scope of Responsibilities

Operate as part of a team in the design and drafting activities, producing calculations, estimates and technical drawings in support of engineering, procurement, fabrication and construction activities.
2. Primary Duties

  • Develop initial bill of material, prepare technical layouts and drawings for proposal estimation.
  • Review the Technical Document Register (TDR), evaluate scope of work, number of required engineering deliverables, establish design and drafting requirements, format of delivery, time schedules and other requirements for execution of the work. Study Data Sheets, Piping Material Specifications (PMS), Process/Mechanical Data Sheets (PDS/MDS), Piping & Instrumentation Diagrams (P&ID’s), Review Philosophies, Equipment Vendor Drawings, Pipe Specifications, Piping Design Basis, process requirements, access requirements, aesthetic requirements, Line Lists, Instrument Specifications, Specialty Item Lists, Drawing Index’s and other relevant documents.
  • Evaluate development methods and software requirements: AutoCAD, PDS, PDMS 3D Modeling and other related software.
  • Produce plot plan, equipment layout and piping plan. Identify technical conflicts in layout design, coordinate with other engineering disciplines on solutions to technical irregularities.
  • Prepare inputs for civil engineering including identification of rack locations, foundations, access platforms, underground services, pipe supports, structures for elevated equipment and other piping layout requirements.
  • Develop 3D CAD models with necessary dimensions and other relevant details to assist the Engineering Disciplines and Fabrication/Construction personnel. Study layout feasibility, resolve design irregularities, prepare isometric drawings for stress analysis, and provide stress and piping loads for civil engineering.
  • Perform layout clash/interface checks, identify conflicts, and take corrective action in coordination with other engineering discipline inputs.
  • Issue engineering drawings and layouts for Inter-Discipline Checks (IDC’s) coordinate with other engineering discipline in the integration of technical data inputs. Prepare final layouts and drawings integrating inputs provided by other engineering disciplines. Consult and make recommendations to Engineers on feasibility of design plans and layouts.
  • Supply Engineers with estimates for the required quantities. Prepare material take off’s (MTO’s), review vendor drawings.
  • Prepare isometric drawings for final layouts and drawing for installation and construction. Provide clarification, guidance and technical support to construction and commissioning personnel. Perform design changes and alterations based on Design Change Notices (DCN’s) when required.
  • Prepare “As-Built” Drawings (plot plans/equipment layouts) following completion of construction activities.
  • Ensure conformity of designs and layouts in accordance to Company Engineering procedures and ISO Quality Standards. Upload documents into “Documentum”, maintain and archive IDC’s, originals, checkprints and Master technical drawings in accordance to Company and quality procedures.
  • Perform related duties as and when directed by the direct supervisor.

3. Job/Cost Impact
Produces designs and drawings based on information received from senior designers and engineers. Prepares estimates supporting the preparation of associated requisitions. Cost/delivery impact situations are reviewed by supervisors.

4. Decision Making Authority

May make recommendations on technical scope of project design and layouts, consults with Supervisor on issues which may affect layout and deviations of equipment specifications.
5. Supervisory Responsibility
May supervise junior designers.

6. Work Contacts

Engineering Discipline Supervisors Rarely
Discipline Engineers Frequently
Other Discipline Engineers Rarely
Project Managers Rarely
Project Control Rarely
Procurement and expediting Rarely
Client Representatives Rarely
Vendor Representatives When Required
Commissioning Personnel When Required
Construction Personnel When Required
Subcontractor Representatives  When Required
7. Competencies/Knowledge, Skills and Abilities
Refer to HR/ OD Competency management system

8. Physical Effort and Work Environment
Duties performed in Main Office mostly in air-conditioned surroundings. Approximately 90-100% of time spent on the computer. Occasionally incumbent may require traveling to sites and occasionally visiting vendor workshops.

9. Minimum Requirement
Associate Degree/Diploma in Mechanical Engineering or Diploma/Certificate in Mechanical Draftsmanship with a minimum of 5 years of related oil & gas/petrochemical experience.



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