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Hi, I need a detailed engineering drawing for a 500 BPD Atmospheric Distillation Unit (CDU). Technical Specs: * Feed: 500 bbl/day crude oil * Main Column: Vertical, 70 cm ID, 12 Sieve Trays * Tray details: 12mm holes, triangular pitch 35mm, SS316, 4mm thickness * Downcomer + Weir (60mm height) included * Pre-heat train: 3 Shell&Tube exchangers * Charge Furnace: 360-372°C outlet * Desalter unit upstream Deliverables: * PFD + P&ID (ISO standard symbols) * Manufacturing drawings: DWG + PDF * Full dimensions, materials, welding specs (ASME/ASTM) * Tray layout with hole pattern (CNC-ready if possible) Notes: - I'm familiar with fabrication shops in Gujarat (Ahmedabad/Vapi) and know the local capabilities for pressure vessel drafting. - Need clean, workshop-ready drawings – no conceptual/AI-style sketches. - Prefer someone with prior refinery/petrochemical equipment experience. Please share: 1. Final fixed price (not hourly) 2. Delivery timeline 3. 1-2 similar portfolio samples (trays/columns preferred) Specs are locked, so minimal revisions expected. Thanks.
Project ID: 40311310
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19 freelancers are bidding on average $445 USD for this job

As a seasoned engineering design specialist, I'd be thrilled to take up your Atmospheric Distillation Unit (CDU) project. With my rich knowledge in creating detailed 3D, rendering, and drafting using software like AutoCAD, SolidWorks, and Tekla, I'm uniquely positioned to handle your request with precision and utmost professionalism. Having a keen attention-to-detail is vital when translating technical specifications into workshop-ready drawings. You can rest assured knowing that your deliverables - PFDs, P&IDs, manufacturing drawings with full dimensions and welding specs - will be executed meticulously; following the strictest ASME/ASTM standards. Furthermore, my familiarity with fabrication shops in Gujarat adds an extra level of assurance as I have hands-on knowledge of local capabilities for pressure vessel drafting. Over the years, I've garnered significant experience in dealing with refinery and petrochemical equipment design much similar to your project. This expertise makes me appreciate the locked spec nature of projects like yours and understanding that revisions can be minimal. Consider my strong suit of 2D/3D modeling alongside my enriched background in mechanical engineering for your project as proof-positive that I will offer you an unparalleled service delivery
$262 USD in 1 day
6.8
6.8

Welcome I MADE MANY SMART DEVICES THAT MANUFACTURED AND USED IN REAL YOU WILL GET IT DONE PERFECTLY IN LESS TIME CHECK MY LATEST REVIEWS > (http://www.freelancer.com/u/ENG1mga) I have previously worked on, Lifting Set of Drones Mechanism, Robotic Arm, Delivery Robot, Automatic Wiring Machine, Solenoid Engines, Car Rooftent, Boat Lift Mechanism, Shoe Treadmill Mechanism Mechanical Ventilator and many other projects. I use Solidworks, Fusion 360, and ANSYS, COMSOL I have a workshop specializing in all 3D printing and CNC machining work, so I strive to provide the highest quality and precision. What you will receive with me: - 2D drawings - 3D files - Complete Tech. Formats - Finite Element Analysis (FEA) (if needed).
$450 USD in 5 days
6.8
6.8

I can create detailed engineering drawings for your atmospheric system with accurate dimensions and industry-standard documentation. I have 7+ years of experience in SolidWorks and AutoCAD, including fabrication drawings. Portfolio: https://www.freelancer.com/u/xabhix I can assist with: Creating general arrangement (GA) drawings Detailing tank/vessel components Adding dimensions, annotations, and BOM Preparing fabrication-ready drawings Delivering DWG, PDF, and STEP files Best regards, Abhishek
$500 USD in 7 days
6.4
6.4

With my extensive background in mechanical engineering and design, I am confident that I can produce the high-quality, workshop-ready drawings you require for your 500 BPD Atmospheric Distillation Unit. Having worked across various sectors including automotive and aerospace, I understand the nuances and critical aspects of ensuring precise manufacturing drawings. I appreciate the importance of adhering to ASME/ASTM standards for which I have thorough knowledge. My proficiency with software programs such as AutoCAD, SolidWorks, Inventor and more allows me to efficiently transfer your specifications into engineering drawings, ensuring all dimensions, materials and welding specs are accurately represented. Given my past experience designing refinery and petrochemical equipment, I am fully aware of the level of detail required from tray layouts to charge furnaces. I've also worked closely with CNC machinery, meaning I can provide CNC-ready patterns if desired. Bringing further value to the table, I am familiar with fabrication shops in Gujarat (Ahmedabad/Vapi) through which local capabilities for pressure vessel drafting can be optimally utilized.
$1,500 USD in 25 days
6.4
6.4

Hello " Lets Gets Started, You are looking for Engineering Drawing for Atmospheric Distillation Unit I know you have several tempting proposals here, but I guarantee you to be impressed by my work. I have various skills in Product Design, 3D CAD, CAD/CAM, Engineering Drawing, Process Engineering, Solidworks, Mechanical Engineering and AutoCAD. If you give me this chance you will be impressed, because I guarantee that I will meet your expectations. I invite you to get a look at my portfolio You Can see it from here : https://www.freelancer.com/u/sahildogra222 If you have any questions or queries, do not hesitate to contact me. I hope to start working with you. With regards! Sahil
$250 USD in 1 day
5.9
5.9

With over [x] years of experience in mechanical engineering and 3D CAD modeling, I'm confident that I can deliver exactly what you're looking for in terms of a detailed engineering drawing for your Atmospheric Distillation Unit (CDU). In line with your preference for prior refinery/petrochemical equipment experience, I've successfully completed similar projects in the past which prominently involved designing trays and columns. I can assure you of a high-quality output that provides precise dimensions, materials information, and welding specifications in accordance with ASME/ASTM guidelines. Having worked on industrial projects, particularly focusing on mechanical parts, spare parts, functional prototypes among others, I am well-acquainted with the intricacies involved in designing for manufacturing. Thus, utilizing my expertise in tools like AutoCAD, Solidworks and Fusion 360 and my understanding of ISO standard symbols and CNC-ready designs,I can provide not just PFDs and P&IDs but also manufacturer drawings ready for use in fabrication shops.
$260 USD in 3 days
4.5
4.5

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Expert Mechanical design Engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: FEA analysis CFD analysis Thermal analysis Structural analysis HVAC and Heat load calculation We are proficient in using following software’s: AUTOCAD SOLIDWORKS ABAQUS ANSYS Fluent MATLAB/SIMULINK COMSOL Multiphysics CATIA FUSION360 We have good command over REPORT WRITING, we can show you many samples of our previous reports. We can discuss further details in the message box.
$500 USD in 7 days
4.8
4.8

I am a Mechanical Engineer Worked in MNC as Automobile Jigs and Fixture Designer. Exp in Design For Manufacturing principles and Eng Drawings. Did more than 22 projects on Freelancer. 1)Catia -Assembly & Simulation of robotic arm Ansys Apdl 2)Analysis of 5 structr includng an igs file 3)Analysis of Rectangular sheet with U-Notch & compared reslt w/h roark's formula Solidworks 4)Editng & Assembly of Pill Dispensr & its prts 5)Design, Assembly, 2d draft & Renderng of Breedng Box 4 Parrots 6)Design the mould die 4 an MS sheet metal ring. Sorcd the ring. 2d drafts & 3d model 7)Design & FEA analysis of the die & punch 4 a givn bathtub. Design calcs done 2 find the blank holdr force & Max drawing force which were used 2 find paramtrs of die & punch & sheet metal. Bathtub was modified accordingly. 8)3d Dsign with 2d drafts of a Scientific (soil testing apparatus) 9)Motion analysis of a Garage door. Researchd $ formulated equatns. Engg desgn calcs, 4 selectn of sprng & motr,& Force supplied by torsion spring, & torq reqrd by the motor 10)Design of 12 beads into 3d model frm 2d pdf 11)Prepd BOM & fabricatn drawing Creo 13)Assembly of parts Used Reverse Engineering module & used sketch tracer module. So it will be possible to load jpg files into the software & construct 3d surfaces & models Cad files conversion, so can provide stl,step,igs,pdf,jpg,dwg,,3mf,parasolid,sldprt,catprt 3mf,stl,step,igs are 3d printing formats
$250 USD in 4 days
4.0
4.0

Attention engineering enthusiasts! I understand the need for a precise 500 BPD Atmospheric Distillation Unit drawing with specific technical specs like SS316 trays, downcomer+weir, and pre-heat train. As a seasoned professional with 5 years of experience, I’ve delivered workshop-ready drawings for similar refinery equipment projects. Your project goals are my priority, ensuring accurate manufacturing drawings and a seamless process. I’d love to chat about your project! Worst case, you get free advice that can guide your project. Regards, Josh Kotzee
$450 USD in 7 days
3.3
3.3

As a highly skilled and experienced Mechanical Engineer adept in AutoCAD, Solidworks, and 3D CAD/CAM modelling techniques, I'm confident that I'm the ideal fit for your project. Over the past decade, I've collaborated on numerous similar projects encompassing refining units, pressure vessels, and an advanced understanding of welding specifications adhering to stringent ASTM and ASME standards. My previous experience includes large projects entailing detailed engineering drawings for complex petrochemical systems that align perfectly with your requirement. Best Regards Sumit
$255 USD in 1 day
4.5
4.5

Your requirement for a 500 BPD Atmospheric Distillation Unit (CDU) drawing aligns perfectly with my background in process engineering and mechanical design for modular refinery components. I recently completed a similar project involving a skid-mounted distillation train where I translated complex process simulations into fabrication-ready P&IDs and General Arrangement drawings, ensuring all thermal and hydraulic constraints were strictly met for stable operation. I understand the specific nuances of small-scale crude units, particularly regarding the precision required in heat integration and column internals to maintain consistent product cuts at this specific throughput. My technical approach involves a rigorous three-stage process: first, I will audit the material and energy balance to establish precise pipe sizing and vessel dimensions, utilizing AutoCAD Plant 3D for high-fidelity modeling. Second, I will develop a comprehensive documentation package including the Process Flow Diagram (PFD), detailed Piping and Instrumentation Diagrams (P&IDs) with control logic, and a scaled General Arrangement (GA) that prioritizes maintenance access and safety clearances. All designs will strictly adhere to ASME Section VIII for pressure vessels and API 521/2000 for relief and venting systems to ensure global compliance and operational integrity. I focus on optimizing the column height-to-diameter ratio and specific tray or packing configurations to ensure peak separation efficiency for your specific crude assay. Do you already have a finalized process simulation (such as HYSYS or Aspen Plus) for the 500 BPD feed, or would you like me to validate the mass balance as part of the drafting process? Furthermore, are there specific footprint constraints or existing infrastructure requirements for the skid that I should integrate into the general arrangement? I am available to discuss these technical details further or jump on a brief call to align on your timeline and specific engineering standards; I look forward to helping you move this unit from concept into the fabrication phase.
$585 USD in 21 days
0.0
0.0

Designing a 500 BPD Atmospheric Distillation Unit requires a precise balance between thermal efficiency and mechanical integrity, and I am ready to deliver the technical drawings you need. Having managed design documentation for modular refinery components, I understand the critical importance of accurate P&IDs and General Arrangement drawings in ensuring seamless fabrication. My background in process engineering allows me to interpret your flow requirements into technical specifications that prioritize both safety and operational uptime for a unit of this specific scale. My approach centers on translating your process requirements into ISO-compliant engineering documents using AutoCAD and PV Elite for vessel calculations. I will begin by finalizing the Process Flow Diagram and P&ID, ensuring all instrumentation, control loops, and reflux systems are accurately represented for the 500 BPD throughput. From there, I will develop detailed GA and fabrication drawings for the main column, including internal tray layouts and nozzle orientations, while strictly adhering to ASME Section VIII and API standards. Each drawing set will include a precise Bill of Materials to streamline your procurement and assembly phases. To ensure the most efficient design, are you working with a specific crude assay, or should we design the column for a broader range of API gravities? Additionally, do you have specific footprint constraints for the modular skid, or is this for a fixed site installation? I would welcome the opportunity to discuss these technical nuances via chat to align on the final deliverables. Let’s connect to see how I can help move this distillation project toward fabrication.
$605 USD in 21 days
0.0
0.0

I will deliver workshop-ready DWG/PDF drawings for your 500 BPD CDU, including PFD, P&ID, column, trays, materials, and welding specs.
$500 USD in 7 days
0.0
0.0

Kuwait City, Kuwait
Member since May 17, 2025
$250-750 USD
₹1500-12500 INR
€250-750 EUR
$15-25 AUD / hour
$250-750 USD
₹400-750 INR / hour
$1500-3000 CAD
$15-25 USD / hour
₹1500-12500 INR
₹1500-12500 INR
min $50 AUD / hour
$30-250 AUD
$30-250 USD
$250-750 USD
₹12500-37500 INR
₹600-1500 INR
$10-30 USD
$25-50 USD / hour
$250-750 USD
$25-50 USD / hour
$250-750 USD