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I’m converting an existing garage into a code-compliant accessory dwelling unit and now need a full set of engineering calculations to submit with the permit package. The architectural layout is essentially settled; what’s missing are the numbers that prove the design is safe, efficient, and meets current codes. Structural • Verify the existing slab, walls, and roof framing can support the new loads (added partition walls, bathroom, kitchenette, possible rooftop solar). • Size any new beams, headers, footings, and connectors. • Provide lateral analysis for wind/seismic, complete with shear wall schedule and anchorage details. Electrical • Calculate the total connected load, service upgrade requirements, breaker sizing, and circuit distribution according to the latest NEC. • Include voltage drop checks and any EV-charger allowance that might be required for future-proofing. Mechanical • Perform HVAC sizing (Manual J/S or local equivalent) for the new conditioned space, account for insulation upgrades, ventilation, and energy-recovery needs. • Provide duct or minisplit layout calculations and required airflow rates for each room. • Address bathroom and kitchen exhaust CFM with make-up air where applicable. Deliverables 1. A single, stamped calculation package (PDF) ready for city submittal, clearly cross-referenced to my architectural sheets. 2. Editable source files (ETABS/SAP2000, Excel, or similar) so minor tweaks can be made in-house if the plan checker requests them. 3. A brief summary memo that highlights key assumptions, material strengths, and code editions used. I can supply site photos, existing drawings, and any additional field measurements you need as soon as you’re onboard. Accuracy and clarity are critical—I’d like the plan checker to sail through the first review without comments.
Project ID: 40624829
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10 freelancers are bidding on average ₹35,131 INR for this job

Hi, I’m a multidisciplinary engineer focused on design + analysis, delivering production ready CAD and simulation-backed solutions. I work across mechanical and architectural scopes, with clear drawings, practical detailing, and fast communication. Feel free to check my profile for similar projects ,happy to review your scope and suggest the best next steps. G. Zaralı
₹25,000 INR in 7 days
6.6
6.6

Mechanical Engineer Expertise in HVAC system & MEP Hi there, I will do this project in advance design and professionally by meeting your guidelines according to ASHRAE & SMACNA, NFPA and IPC Standards & Codes. I have done European, USA and Middle East Projects. I’m professional MEP mechanical engineer with have more than 6 years’ experience and expert in, HVAC systems Design & Drawings, HVAC/BIM Modeling, BMS & Automation System, firefighting system, plumbing & drainage system, , tendering of projects HVAC Load Calculation, Ventilation requirements, Dehumidification, ESP for Duct, Duct Size Calculation, Hydraulic Calculations for Water and air cool chillers Pipes, Chilled & Condenser Water Pump Head calculation and selection, central air conditioning system, maintenance, commissioning of all types HVAC units like chillers, AHU, FCU, VRF, VRV, AHU, FAHU, RTU, diffuser, Cassette etc, in domestic, residential and commercial buildings with professional engineer team. Can you share more information into chat box? I have gone thorough in your project description. I have worked on several similar projects. Please visit my portfolio to see past work. I’m interested in your project. I’m a full-time freelancer. I would give you quality work because your satisfaction and work quality is my first priority. I’m waiting for your message to discuss. Thanks!
₹12,500 INR in 7 days
6.1
6.1

I would appreciate the opportunity to work on your ADU garage conversion engineering package. I can prepare a complete, well-organized calculation package that aligns with your architectural drawings and is ready for permit review. My experience includes structural, electrical, and mechanical design documentation for residential projects. I can verify existing structural elements, perform load calculations, size beams, headers, footings, and connectors, prepare lateral wind/seismic calculations with shear wall schedules, develop NEC-compliant electrical load and panel calculations, and complete HVAC sizing with ventilation and exhaust calculations. All calculations will be clearly referenced to your drawings for an efficient plan review. Deliverables will include a professionally formatted calculation package (PDF), editable calculation/source files (Excel and compatible engineering software formats where applicable), and a concise design summary outlining assumptions, material properties, and code references. I am committed to accuracy, timely delivery, and responsive revisions if the plan checker requests changes. I look forward to reviewing your existing drawings, site photos, and measurements and delivering a high-quality permit-ready package.
₹32,000 INR in 10 days
3.9
3.9

Hi, I can prepare the engineering calculation package for your ADU garage conversion, covering structural, electrical, and mechanical load/sizing calculations for permit review. The best solution is to first review your architectural drawings, site photos, existing framing/slab details, utility service data, insulation specs, HVAC approach, and local code requirements. I’ll then prepare organized calculations cross-referenced to your plans, with assumptions clearly documented. I’m comfortable with structural load checks, beam/header sizing, slab/wall/roof review, lateral wind/seismic basics, NEC load calculations, breaker/circuit sizing, voltage drop checks, HVAC sizing, ventilation airflow, exhaust CFM, Excel calculation sheets, and permit-ready technical documentation. Deliverables include: * Structural calculation package * Electrical load calculations * HVAC/ventilation sizing * Beam/header/connector notes * Service/breaker/circuit schedule * Voltage drop checks * Bathroom/kitchen exhaust CFM * Summary memo * Editable calculation files * PDF package for submittal Final stamping must be done by a licensed PE/engineer authorized in your project jurisdiction. I can prepare the calculations and coordinate revisions for plan-check comments. Best regards Ankit
₹12,500 INR in 2 days
3.8
3.8

My name is Sumit and while I may be new to the platform, I am no stranger to quality engineering work. With an extensive background in architectural and structural engineering, and proficiency in programs such as AutoCAD, I'm well-equipped to handle the complexity of your project. My skillset also extends to electrical and mechanical engineering which will enable me to thoroughly analyze all aspects of your ADU conversion. My experience with 3D modeling will be beneficial for your project as we can develop a visual representation of your space that complements the stamped calculations. This coupled with my attention-to-detail ensures that all necessary loads are accounted for. For instance, in your case, I'll work diligently to verify if the existing slabs, walls, and roof framing can endure any increased loads caused by added partition walls or rooftop solar installations.
₹12,555 INR in 1 day
4.7
4.7

I can provide coordinated structural, electrical, and mechanical calculations that are clearly organized and cross-referenced to your architectural drawings for permit submission. The package will include structural load verification, beam/header/footing sizing, wind and seismic lateral analysis with shear wall schedules, electrical load calculations, panel and breaker sizing, voltage drop verification, HVAC sizing (Manual J/S or equivalent), airflow calculations, ventilation, exhaust requirements, and supporting calculation sheets. All deliverables will be prepared with accuracy and clarity to help streamline the plan review process. Deliverables: Complete calculation package (PDF) Editable calculation files (Excel/ETABS/SAP2000 where applicable) Summary design memo with assumptions, material properties, and code references Coordination with your architectural drawings Before we begin, I have a few questions: What is the project location and applicable building code edition? Are existing structural drawings and site measurements available? Will stamped calculations be required from a licensed engineer in your state, or are calculations without a professional seal acceptable? I’m ready to start immediately and look forward to discussing your project. Best regards, Bilal
₹28,000 INR in 5 days
4.1
4.1

Good evening, sir. I have just read your job description and I am applying because, as you can see in my portfolio (https://www.freelancer.com/u/mamansoura), I have experience in structural analysis, particularly with the engineering firms ECCT and Urbatec. I hold a Master's degree in Civil Engineering and have over fifteen years of experience in infrastructure project studies and management. I am familiar with Eurocodes and the Indian code. I am available immediately.
₹37,500 INR in 20 days
2.1
2.1

Hello, I'm bharghav, with 10 years of experience in Electrical Engineering, specializing in ensuring electrical systems are safe, efficient, and code-compliant. I understand you need comprehensive electrical calculations for your ADU garage conversion. I will meticulously calculate the total connected load, service upgrade requirements, breaker sizing, and circuit distribution per the latest NEC, including voltage drop checks and EV-charger allowance. Please start a chat so we can discuss your project in more detail and ensure a smooth permit approval. Best regards,
₹26,250 INR in 3 days
0.0
0.0

Faridabad, India
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