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I have a set of substation electrical schematics that now require clean, accurate mark-ups reflecting our latest design updates. The package includes the site layout plan, single-line diagram, and several detailed wiring diagrams. Your task is to open the native CAD files, layer in the red-line changes I provide, and return fully revised drawings ready for the next engineering review. Please keep every drawing reference, title block, and revision record intact while clearly differentiating new information with the standard markup conventions we already use (colour codes and clouding). I will supply the current PDFs with handwritten notes plus the editable source files; you’ll send back the updated DWGs and matching PDFs. Deliverables: • Updated site layout plan, single-line diagram, and wiring diagrams in native CAD format • Corresponding PDF set sized to original sheet dimensions • Change log summarising every design update applied I will be available for quick clarifications as you work so we can hit the deadline without rework.
Project ID: 40707041
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Active 2 days ago
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24 freelancers are bidding on average ₹21,632 INR for this job

As an engineer with a specialized skill in drafts, I am a perfect fit for your project. I have vast experience with CAD programs like AutoCAD, which you mentioned as the native software for the files. This means not only can I open and edit these files easily, but I understand the importance of maintaining all existing references, record blocks, and revision history while incorporating your clean mark-ups accurately. My attention to detail will ensure no data or essential information is lost during this process. Additionally, I acknowledge the significance of clearly differentiating the new design elements from existing ones using standard markup conventions like colour codes and clouding. Moreover, my excellent sketching and drafting skills will enable me to convert your existing PDFs with handwritten notes into clear and comprehensible DWG files without any ambiguities. I believe my ability to comprehend complex electrical diagrams combined with my efficient and insightful communication skills make me an ideal collaborator for this task. I assure you that your drawings will be revised promptly, preserving the quality as desired, and the same detailed approach will be applied on remaining step of your project also.
₹12,500 INR in 3 days
7.2
7.2

Hi there! We are a team of architects, interior designers and 3D artists. I have read your requirement for Architectural design and I am sure that I can do the job very well. Our Services: --Architectural and interior design including Residential and commercial. -- Photorealistic 3D Renders --High quality 0003D Modelling. We work in AutoCAD, Proge CAD, Sketchup,3DSMax, Vray, Solidworks, Maya Do have a look at my portfolio: https://www.freelancer.in/u/smstudio125 Chat to discuss. I do hope we'll be able to spevak soon will love to work with you. Regards, Koncept 10
₹25,000 INR in 7 days
7.0
7.0

I am the perfect candidate for your substation design drawing markups project. With a diverse skillset encompassing engineering, CAD design, and 3D modeling, I bring a unique perspective that can hone your drawings to perfection. My mastery of AutoCAD ensures that your native CAD files are handled with exceptional accuracy, while my electrical engineering background allows me to understand and execute on the intricacies of your schematics. In addition to my technical skills, I am proficient in incorporating design updates without compromising existing layout, title block or revision record - a key requirement for this project. My experience in graphic design will be advantageous in delivering appropriately differentiated red-line changes using the standard conventions you employ. You can expect neatly-layered DWGs with clear markups and accompanying mirror image PDFs. Moreover, my proficiency in delivering on-time quality solutions will prove invaluable for your tight deadline. Whether it be quick clarifications or revisions throughout the process, my lines of communication will remain open ensuring minimal rework and maximum efficiency. In hiring me you'll have not just an engineer adept at complex markups, but also a reliable partner committed to bringing your vision to life.
₹16,666 INR in 1 day
6.8
6.8

With my expansive skill set in 3D Drafting and AutoCAD, I am more than equipped to handle your substation design drawing markups project. My experience encompasses a range of tasks such as the ones you have described - working with native CAD files, layering in red-line changes accurately, and providing fully revised drawings ready for the next engineering review. I understand the importance of preserving crucial information within the drawings, while clearly differentiating new updates using conventional markup techniques that you already follow. Apart from meeting your technical requirements, my clear communication skills and quick understanding of instructions will ensure that your timelines are met without any need for rework. I value effective collaboration, and I will make myself available to you for any clarification or input you might require through each step of the project. In conclusion, my mastery over AutoCAD, along with my attention to detail and quick turnaround time make me an ideal choice for this task. I am confident that I can deliver updated site layout plans, single-line diagrams, wiring diagrams and accompanying PDFs that meet your precise needs. Let's begin this project together, ensuring a thorough job on every front while maintaining perfect fidelity to your existing standards.
₹13,500 INR in 1 day
6.3
6.3

Hello, I’m a Mechanical Engineer with over 2 years of experience in AutoCAD drafting, MEP coordination, and technical drawing revisions, with 200+ completed residential, commercial, and industrial projects. I can also share samples of previous CAD revision and markup work. I can accurately update your substation electrical drawing package from the supplied handwritten redlines and native CAD files while preserving the existing drawing standards. Scope of Work Update the site layout plan Revise the single-line diagram Update detailed wiring diagrams Apply all red-line changes accurately Maintain existing layers, title blocks, drawing references, sheet sizes, and revision history Use your established colour coding and clouding conventions Check drawings after revision to ensure no unintended changes are introduced Deliverables Revised native DWG/CAD files Matching PDF set at the original sheet sizes Clear change log documenting every modification applied I’m comfortable working from handwritten PDF markups alongside editable CAD source files and can communicate quickly when clarification is required. I can share relevant samples of previous CAD revision, MEP, and technical drawing projects. I’m available to start immediately and can work efficiently to meet your review deadline.
₹25,000 INR in 7 days
5.8
5.8

Hello sir, I have 11 years of experience as a Senior Electrical Power Systems Engineer leading a multidisciplinary engineering team across electrical distribution, substation schematics, and CAD/BIM modeling. I routinely handle high-voltage and medium-voltage substation design modifications, drafting red-line revisions, and maintaining strict CAD standards across site layouts, single-line diagrams (SLDs), and detailed control/wiring schematics for utility and industrial clients. Engineering Capabilities & Red-Line Mark-Up Strategy Substation Layout & SLD Modifications: Incorporating updated primary switchgear arrangements, transformer ratings, busbar extensions, instrument transformer (CT/PT) locations, and earthing grid revisions into existing CAD layouts. Control & Wiring Diagram Revisions: Updating secondary control schematics, trip/close logic loops, relay protection circuits (ANSI/IEC numbers), terminal strip allocations, and inter-panel wiring runs. Standardized CAD Layering & Revision Control: Placing all new design elements, modification clouds, and callout text on dedicated, standardized revision layers (e.g., E-REVISION-CLOUD, E-TEXT-REDLINE). Utilizing standard color coding (Red for additions, Green/Yellow for deletions/de-evaluations) and Delta revision callout tags (Δ1, Δ2) tied to the drawing revision block. Preserving all original Xrefs, title block metadata, sheet scaling, and attribute blocks without breaking native CAD drawing integrity. Eslam
₹30,000 INR in 5 days
5.6
5.6

Hi, Could you share the current PDFs and native CAD files with the handwritten notes? I can help you accurately incorporate the changes and maintain your existing formatting with the designated markup conventions. I will provide you with updated DWGs, corresponding PDFs sized to original dimensions, and a change log summarizing all design updates. I’m committed to meeting deadlines while minimizing rework, and I’m readily available for quick clarifications as needed. Let me know if you’d like to move forward!
₹12,500 INR in 1 day
4.8
4.8

With regards to your substation design drawing markups project, my skills and experience as a 3D artist, graphic designer, and web designer can offer you a unique perspective. Despite being the new kid on this platform, I assure you that I'm not new to this field. I've worked on numerous graphic design projects which helps me visualize CAD files with precision. Additionally, I have extensive experience working with various software programs including AutoCAD, which is crucial for this job. Apart from my versatility in navigating CAD files, my knowledge of Electrical Engineering serves as a solid foundation for this project. I am confident in my ability to accurately layer in your red-line changes while ensuring that every drawing reference, title block, and revision record remains intact. Additionally, my background knowledge allows me to make required design updates swiftly and effectively.
₹15,000 INR in 1 day
4.7
4.7

Hi, I can update your substation drawings accurately from the red-line markups you provide. I will keep the existing title blocks, drawing references, layers, and revision records intact while applying the required changes clearly and consistently. I can deliver the revised DWG files, matching PDFs, and a short change log of all updates made. I’ll also clarify any unclear markup before editing so there is no unnecessary rework. I’m available to start as soon as you share the source CAD files and marked-up PDFs.
₹25,000 INR in 7 days
0.0
0.0

⚠️ IF YOU’RE NOT HAPPY, YOU DON’T PAY ⚠️ I have extensive experience in CAD design and markups, particularly in electrical schematics. My attention to detail ensures that every drawing reference and title block remains intact while I apply your updates using standard markup conventions. I understand the importance of precise execution and timely communication, especially to meet your deadline. I will ensure all changes are clearly marked, and I’m ready for quick clarifications to avoid any rework. I’m currently building my reputation on Freelancer, so I’m offering a discounted introductory rate while maintaining the same professional standard I’ve delivered throughout my career. Let’s create something great together! Regards, Anchel
₹12,500 INR in 7 days
0.0
0.0

Hi, Greetings, Thanks for reading my bid. I have around 11 years of experience in Electrical & Control system design with major deliverables such as Single Line diagram, Load list, Power cable sizing for MV & LV, control cable selection, Schematics creation, 3D modeling of cable trays, junction boxes, instruments, PLC schematics, IO cards selection, P&I D, instrument & Fire and Gas wiring,etc. Can you please consider my profile for this role? I will be available to complete this by tomorrow if manageable. Thanks
₹25,000 INR in 7 days
0.0
0.0

Hello, I'm an electrical contractor — my day work is industrial installation and commissioning, panel builds, PLC and conveyor systems — and producing and revising electrical drawings is part of that. So I'm reading your single-line and wiring diagrams as someone who has wired the equipment on them, not only as a draughtsman. On the markups: I'll open the native files, apply your red-lines, and keep the existing drawing references, title blocks and revision records intact. Standard conventions throughout — clouding and colour coding on every change so the reviewer can see at a glance what moved. You'll get the revised site layout, single-line and wiring diagrams in native CAD, a matching PDF set at the original sheet sizes, and a change log listing every applied update by sheet. The change log is where I'd add something beyond a straight markup service. If a red-line conflicts with something else on the drawing, or a change on one sheet has a knock-on effect on another that wasn't marked up, I'll flag it in the log rather than apply it blindly and let it surface at review. You can accept or overrule the note — but you'll see it before the review, not after. To quote the timeline exactly I'd need: the native DWGs, the AutoCAD version you're on, your title-block or drawing standard if you have one, the sheet count, and your revision-numbering convention. Best, Liam
₹28,000 INR in 7 days
0.0
0.0

I am an Electrical Engineer with experience as Head of Electrical Department at Zerock, MEP Lead Engineer in Riyadh, and Associate Director – Electrical Consultant at GRFN. My background includes AutoCAD drawings, electrical design review, multidisciplinary coordination, and QA/QC. I can update your site layout, single-line diagram, and wiring diagrams using your supplied red-line comments and native CAD files. I will preserve drawing references, title blocks, and revision history while following your colour-coding and revision-cloud conventions. Deliverables will include: • Revised editable DWG files. • Matching PDFs at the original sheet sizes. • A clear change log documenting the updates. I will check the revised drawings against your comments and clarify any ambiguous notes before incorporating changes. My bid assumes revisions to existing drawings based on your supplied engineering instructions. Please share the drawing count, source files, and marked-up PDFs so we can confirm the scope before award. Proposed delivery is five calendar days from receipt of the complete files and scope confirmation.
₹20,000 INR in 7 days
0.0
0.0

I am very aware of electricla panel drawings and its schematics. I have experience with AutoCAD and MS-Visio with E-base for HVDC applications. I have worked on these thinsg for 3 years in Siemens Ltd.
₹26,000 INR in 4 days
0.0
0.0

With a strong background in Electrical Engineering and Project Management, I have amassed extensive experience dealing with complex projects and delivering quality results, which align perfectly with the requirements of your substation design task. My proficiency in using CAD programs combined with sound knowledge of electrical design will ensure the production of highly accurate and industry-standard drawing. Successful completion of this project will also include providing change logs summarizing every edited detail- thus ensuring complete transparency throughout the process. With our commitment to clear communication and timely delivery, I guarantee working closely with you until the end to ensure that all your needs are met to precision. Choose us to get high-quality and error free revised drawing!
₹30,000 INR in 7 days
0.0
0.0

Hi, Hope my bid found you in good health. I have 12+ years experience in substation field and well adverse in autocad. Kindly mentioned your target deadline.
₹35,000 INR in 11 days
0.0
0.0

Electrical designer who is good with autocad drafting excel and word. Experienced in gcc country native Indian who handled substation highrise buildings clubs electrical drawings with sld and load schedules.
₹25,000 INR in 2 days
0.0
0.0

Hello Sir, I am an electrical design engineer working at Tata steel UISL, Jamshedpur. I have daily experience in substation SLD, site layout and detailed wiring diagrams. I fully understand your requirement-updating native CAD files with red-line markups, maintaining title block , revision records , using colour codes & clouding as per your standard , and delivering update DWGs + PDFs with a change log. I can start immediately if you share the sample PDFs. I will keep all layers , reference and sheet sizes intact as you mentioned. please share the markup to start available for quick clarification.
₹14,999 INR in 4 days
0.0
0.0

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