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1. Project Overview & Objective The objective is to perform a rigorous peer review and technical validation of process P&IDs for a multi-component chemical processing and fluid handling skid prior to final CAD updates and fabrication release. The review ensures process safety, fluid mechanics integrity, correct sensor positioning, functional control logic representation, and alignment with ISA-5.1 drafting standards. 2. Scope of Work & Review Tasks Process & Mechanical Validation: Verify line sizing, flow direction, fluid velocity limits, and material compatibility for piping, tubing, seals, and valving. Validate pump suction/discharge arrangements, check valve locations, back-pressure regulators, manual isolation boundaries, and sample/drain points. Confirm over-pressure and thermal expansion relief mechanisms, vacuum abatement, and system purge connections. Instrumentation & Controls (I&C): Review sensor selection and positioning (e.g., inline chemical concentration sensors, pH probes, differential pressure transmitters, RTD probes, flow meters) to guarantee reliable sampling and zero air-entrainment. Verify actuated valve control loops, solenoid controls, and failsafe positions (Fail Closed, Fail Open, Fail Locked). Cross-reference instrument tagging, signal lines (hardwired vs. software/PLC link), and I/O mapping against the core Control Philosophy.
Project ID: 40704986
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32 freelancers are bidding on average $475 AUD for this job

Drawing upon my extensive experience in engineering, architectural designs and CAD work, I offer a unique perspective for the Chemical Dosing Skid P&IDs project. Your objective of ensuring process safety and adherence to ISA-5.1 drafting standards aligns perfectly with my skillset of validating intricate designs. Having worked on complex projects involving hydrology, fluid mechanics, and construction, I am well-versed in conducting rigorous peer reviews and technical validations for precise equipment placement and system functionality; essential aspects that underscore the success of your project. In addition to rigorous hardware validation that your project entails, my diverse background offers a unique benefit in verifying actuated valve control loops, solenoid controls, failsafe positions and sensor positioning. This includes differential pressure transmitters, flow meters and pH probes - all of which are invaluable in gauging reliable sampling without air-entrainment.
$260 AUD in 2 days
7.3
7.3

With over a decade of being an Engineer and having worked with a wide range of design software such as AutoCAD, Revit, and SolidWorks, I am well-equipped to handle your project. Be assured that I can meticulously check your P& IDs for errors while ensuring adherence to industry standards like ISA-5.1. My previous experience in Chemical Engineering has sharpened my ability to validate materials compatibility, ensure fluid mechanics integrity, and verify correct sensor positioning - all of which are critical for the safe functioning of your chemical processing system. As someone who has an eye for detail, my expertise also extends beyond the mechanical validations. I have formerly dealt with instrumentation and control processes including sensor selection, checking valve control loops and cross-referencing instrument tagging, and IO mapping. I understand the importance of accurate representation and zero air-entrainment when it comes to inline chemical concentration sensors and pH probes, factors that truly differentiate me from others in the field. My proven flexibility and skill set in Computer Aided Design doesn't just stop at engineering. Over the years, I have honed my skills across multiple industries including Graphic Design & Branding as well as Website Design & Development.
$266 AUD in 1 day
7.0
7.0

Hello, My name is Emmanuel. I am a chemical engineer expert. I understand you are currently looking for someone to carry out a review, verification and validation of a chemical dosing package drawing. I am currently available to work with you on this project. I have carried various design reviews involving chemical injection design. This will include side by side review with required standard. i.e. ISA 5.1 for instrumentation, API 675/610/ISO 5199 for pump specification, ASME B31.3 for piping, ASME VIII Div 1, API 650, etc. Kindly contact me for discussion as I look forward towards working with you. Thank you, Best regards, Emmanuel Nwose
$2,000 AUD in 5 days
6.0
6.0

Hi, I’m a Chemical Engineer and Lead Process Engineer with practical experience in process design, P&ID review, piping systems, and process safety. 1. I’ll review the P&IDs from both process and mechanical perspectives, checking line sizing, flow direction, valves, pumps, drains/vents, relief provisions, material compatibility, and overall process arrangement. 2. I’ll also review the instrumentation and control loops, including instrument locations, valve fail positions, signal connections, alarms, and interlocks against the available control philosophy. 3. I’ll identify safety and operability issues such as dead legs, liquid traps, siphoning, thermal expansion, vacuum conditions, and inadequate isolation/relief arrangements. 4. My relevant software experience includes AutoCAD, Aspen HYSYS, Aspen Plus, AFT Fathom, AFT Arrow, AFT Impulse, Pipe Flow Expert V7, SysCad, UniSim, and Excel-based engineering calculations. 5. I’ll provide redlined P&IDs along with a clear review log listing each observation, its priority, and recommended action. 6. Required inputs would be the P&ID package, process description, equipment/process data, control philosophy, and relevant design standards. Looking forward to discussing the project with you and getting started.
$500 AUD in 5 days
6.0
6.0

I understand you need a thorough P&ID review for your chemical dosing skid, similar to the process validation I recently completed for a complex API manufacturing line, ensuring adherence to ISA-5.1 standards and identifying potential fluid mechanics issues before fabrication. My approach will involve a detailed line-by-line examination of your P&IDs. I'll meticulously check line sizing against industry-standard velocity limits and pressure drop calculations, verify material compatibility for all wetted components based on your specified chemicals, and confirm sensor placement for optimal process control and safety. I'll also cross-reference your control logic with ISA-5.1 symbols and conventions to ensure clarity and accuracy. To ensure we're fully aligned, could you clarify the specific software used for your current CAD updates? Also, are there any particular control loops or safety interlocks you'd like me to pay extra attention to during the review? I'm available for a quick call to discuss this further.
$582 AUD in 21 days
5.1
5.1

Hello, I reviewed your requirements, and the core challenge is validating the P&IDs as an integrated process and controls system before fabrication, rather than checking the drawings only for drafting errors. I would cross check flow paths, line sizing, pump arrangements, isolation and relief provisions, purge and drain points, sensor placement, valve failsafe states, instrument tagging, signal architecture, and I/O mapping against the control philosophy and ISA 5.1 requirements. I have worked on similar process engineering, P&ID review, instrumentation, and technical validation projects and can share relevant examples once we connect in chat. Also a quick question, will the core Control Philosophy and I/O list be provided alongside the P&IDs for cross verification? Best Regards, Muskan
$250 AUD in 1 day
4.7
4.7

Hi, how are you doing? I went through your project description and I can help you in your project. I am a professional CHEMICAL ENGINEER with strong experience in handling projects across multiple domains of chemical engineering. I have extensive expertise in Aspen Plus and Aspen HYSYS, which allows me to develop accurate process simulations, perform sensitivity analyses, optimize operating conditions, and design efficient process flowsheets for various chemical and petrochemical systems. I have successfully completed 1000+ Projects for multiple regular clients all over the world. My areas of expertise include: Process simulation and modeling (Aspen Plus / Aspen HYSYS) Mass and energy balance calculations Process design and optimization Thermodynamics and reaction engineering Heat exchanger and separation process analysis Distillation, absorption, and extraction processes Chemical process report writing and technical documentation We have good command over REPORT WRITING, we can show you many samples of our previous reports. Let’s discuss further details in the message box.
$500 AUD in 7 days
4.9
4.9

With over [number of years] years of experience in industrial automation, I have become proficient in ensuring the safe operation and efficient function of diverse chemical processing systems. My skill set covers various platforms and protocols such as SIEMENS TIA Portal, ABB PLC, and Delta PLC, which would be vital in the validation and review tasks for your chemical dosing skid's P&IDs. Drawing on my extensive background in process automation, I have a deep understanding of line sizing, material compatibility, and fluid mechanics integrity - elements that are critical to your project. Similarly, my hands-on knowledge with sensors like pH probes and differential pressure transmitters will ensure precise sampling and monitor data that's free from air entrainment. I take immense pride in my attention to detail, professionalism, and adherence to industry standards like ISA-5.1 drafting standards. These qualities will underpin my scrutiny of your P&IDs, cross-referencing instrument tagging, signal lines, and I/O mapping against the Control Philosophy. Coupling these skills with my commitment to creating robust yet scalable designs mean you're guaranteed a comprehensive and future-proofed review for your skid system from me.
$500 AUD in 7 days
4.6
4.6

With a solid background in Chemical and Mechanical Engineering, I am well versed in the scope of work required for the project. My experience includes rigorous P&ID review, process safety analysis, and implementation of ISA-5.1 drafting standards. I have an eye for detail, verifying everything from line sizing and flow direction to sensor positioning ensuring fluid mechanics integrity and process reliability. In addition to my engineering expertise, my vast range of software skills, including AutoCAD, Solidworks, Tekla, Rhino, and more positions me as a Swiss Army Knife in this context. These proficiencies are essential when reviewing elements like pump arrangements, check valve locations, back-pressure regulators, manual isolation boundaries - key attributes in ensuring your system is flawlessly designed for process efficiency. I am dedicated to meeting client expectations by delivering high-quality work efficiently and effectively. My clientele can attest to my commitment to their projects and the success it brings them. This venture needs someone who is detail-oriented without sacrificing speed or quality. Choosing me means engaging a professional who fully understands your project's objectives and has the capacity to meet its needs exceptionally well.
$251 AUD in 1 day
4.7
4.7

The requirement for validating process P&IDs for a chemical dosing skid before fabrication release means I'll be checking line sizing, flow direction, and material compatibility to ensure fluid mechanics integrity and process safety. I will also validate pump arrangements, valve locations, and over-pressure protection. I will build the P&ID validation report using AutoCAD, confirming sensor positioning and control logic representation aligns with ISA-5.1 drafting standards. For pump suction and discharge arrangements, I'll verify correct configuration, and for manual isolation boundaries, I will confirm they are appropriately placed. I'll build the validation of the process and mechanical aspects first because getting the physical layout and fluid handling correct is the foundation for everything else. Are there specific chemical reagents or process temperatures you are most concerned about regarding material compatibility and potential for thermal expansion issues? Track record on here: 5.0 across 10 reviews, 100% on time and 100% on budget. Please provide the P&ID files so I can send back the detailed validation report.
$606 AUD in 21 days
3.5
3.5

I have read your project details. I can professionally review your P&IDs for piping, valves, pumps, instrumentation, control loops, tagging, and ISA-5.1 compliance. I will identify any issues and provide clear technical comments before CAD updates and fabrication. Question: Can you share the current P&IDs for review?
$500 AUD in 3 days
3.3
3.3

Hello, With my extensive capabilities in AutoCAD and mechanical engineering, I am confident in delivering a meticulous and reliable review of your chemical dosing skid P&IDs. Having dedicated years to perfecting my skills in 3D modeling and CAD design like SolidWorks, AutoCAD, and CATIA, I possess the competence necessary for ensuring all lines, valves, pumps, sensors, and controls are accurately positioned and compatible with the chemical components being handled. One of your key objectives is guaranteeing optimum system safety. I have experience in conducting comprehensive process and mechanical validations which align perfectly with your project needs. My expertise includes verifying line sizing, flow direction, fluid velocity limits, and material compatibility to ensure that the piping arrangements are both efficient and safe as well as validating relief mechanisms. I've consistently provided high-quality solutions that meet deadlines and exceed client expectations throughout my career. Moreover, my commitment to clear communication guarantees effective collaboration during each phase of the project. Our partnership will not only elevate your P&ID but also present new opportunities for cost reduction and increased efficiency in your chemical processing system. Let's get started on transforming your vision into reality for this skid project! Thanks!
$250 AUD in 2 days
3.3
3.3

Hi, I can perform a detailed peer review and technical validation of your chemical dosing skid P&IDs before final CAD update and fabrication release. I can review: • Line sizing, flow direction, velocity limits and material compatibility • Pump suction/discharge arrangements • Check valves, back-pressure regulators and isolation points • Drain, sample, purge and relief provisions • Over-pressure, thermal expansion and vacuum protection • Sensor selection and placement • pH, concentration, DP, RTD and flow instrumentation • Air-entrainment and sampling concerns • Actuated valve logic and fail positions • Solenoid controls and control-loop representation • Instrument tagging and signal-line conventions • Hardwired vs PLC/software signal paths • I/O mapping against the control philosophy • ISA-5.1 compliance and drawing consistency Deliverables can include: • Marked-up P&IDs • Technical review comments • RFI/clarification list • Risk and gap summary • Recommended corrections before fabrication • Final review after CAD updates I’m comfortable with process piping, instrumentation, fluid systems, chemical dosing skids, P&ID review, AutoCAD, and control-system documentation. Please share the P&IDs, control philosophy, equipment datasheets, design flow/pressure conditions, and material specifications so I can begin. Best regards Ankit
$250 AUD in 4 days
1.5
1.5

Hi there, I'm a Process & Controls Engineer with 15+ years of experience in chemical processing skid design, P&ID validation, and instrumentation systems. Your chemical dosing skid peer review aligns perfectly with my expertise in rigorous process safety audits and ISA-5.1 compliance. I'll deliver a comprehensive technical validation addressing line sizing, fluid mechanics, sensor positioning, actuated valve control logic, and failsafe configurations. My review will ensure pump arrangements, relief mechanisms, and I/O mapping are sound before CAD finalization and fabrication release. I'll cross-reference your P&IDs against your Control Philosophy, verify instrument tagging, and confirm zero air-entrainment in all critical sampling points. My deliverable will be a detailed peer review report with marked-up P&IDs and actionable recommendations for process integrity and safety compliance. Let me know if my profile looks interesting, and we can set up a time to talk. Best regards, Elijah M
$700 AUD in 6 days
1.0
1.0

Hi, I can help with the technical peer review and validation of your process P&IDs before CAD updates and fabrication release. I have experience reviewing process piping, pumps, valves, instrumentation, control loops, line routing, and P&ID documentation. I can check line sizing and flow direction, pump suction/discharge arrangements, isolation and relief systems, sensor locations, actuated valves, failsafe positions, instrument tagging, signal lines, and I/O mapping against the Control Philosophy and ISA-5.1 requirements. Please share the P&IDs and Control Philosophy so I can review the scope and provide detailed comments. Thanks, Deepak
$500 AUD in 7 days
0.4
0.4

I DON'T COMPETE ON PRICE. I COMPETE ON RESULTS. I won't waste a second of your time with an AI response, as I'm sure you're already bored of it. So lets talk with facts, actions and implementation. We can help ensure your chemical processing skid is safe, efficient, and compliant with industry standards. I understand the importance of a rigorous peer review for your P&IDs, focusing on clean, professional, and user-friendly designs that align with ISA-5.1 standards. My expertise includes detailed process validation, instrumentation selection, and controls verification, ensuring every aspect of your project meets the highest standards. I would love to discuss your upcoming projects with you and answer any questions you may have. Kind Regards, Stacey
$250 AUD in 14 days
0.0
0.0

Welcome! I’m here to help you solve problems, achieve your goals, and turn your ideas into digital solutions that deliver real value for your business. I understand the critical nature of your project involving the peer review and technical validation of P&IDs for a chemical processing skid. My focus is on ensuring process safety and integrity through meticulous validation of piping, instrumentation, and controls. I will verify line sizing, flow direction, and material compatibility while confirming the correct placement of sensors and control logic representation. You can expect clear communication, reliable service, and a friendly, professional approach throughout our collaboration. I’m dedicated to delivering a thorough review that aligns with ISA-5.1 standards and meets your project objectives. Your goals come first. Let’s build something that moves your business forward.
$400 AUD in 7 days
0.0
0.0

Hello, I can support the P&ID review by checking the drawings for process-flow consistency, instrumentation placement, valve/control logic, tagging, and CAD-ready technical issues before fabrication release. My C/C++, C#, Python, AutoCAD, and API development skills are relevant for working with technical drawings, engineering data, and automation around the review workflow. I can systematically cross-check line and equipment information, sensor and valve relationships, signal paths, and control-logic details against the supplied Control Philosophy and ISA-5.1 requirements. For a rigorous engineering sign-off, the P&IDs and supporting Control Philosophy would need to be reviewed directly by a qualified process/instrumentation engineer. Thanks.
$500 AUD in 7 days
0.0
0.0

Let’s discuss your project. I am senior Process Engineer with over 6 yeays of experience. I can support you in you project.
$300 AUD in 7 days
0.0
0.0

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