Hire the Best Water Treatment Engineering Freelancers
in Pakistan

Are you looking for a Expert plumbing engineer who can guarantee hassle-free permit approvals while actively saving you money on material and labor? From initial concept sketches to final permit-ready blueprints, I deliver high-precision, code-compliant plumbing designs optimized for real-world installation. With over 15 years of international experience across the USA, UK, Australia, and the Middle East, I ensure your project moves from design to construction without costly redlines or field clashes. How I Add Value to Your Project: Residential & Multi-Story Housing: Complete water supply and waste networks for Single-Family Homes, ADUs, Tiny Houses, and Multi-Family apartments. My designs prioritize efficient pipe routing to reduce fittings and hot water recirculation loops for instant pressure. Commercial Kitchens, Cafes & Restaurants: Specialized solutions for the food service industry, including precise Grease Interceptor (Grease Trap) sizing and commercial-grade drainage that meets strict health department and municipal standards. Schools & Institutional Facilities: Large-scale plumbing systems for educational buildings, ensuring code-compliant layouts for high-traffic restrooms, labs, and public fixtures. Technical Calculations & MEP Coordination: Precise pipe sizing based on Fixture Unit (WSFU/DFU) loads and detailed Riser Diagrams. I ensure plumbing layouts are 100% clash-free with HVAC and Electrical systems before you break ground. Code & Standards Expertise: USA: IPC (International Plumbing Code) & UPC (Uniform Plumbing Code) UK & Australia: BS EN Standards, CIBSE Guidelines, and AS/NZS 3500 Middle East: Saudi Building Code (SBC) and authority compliance for DEWA, SEWA, and ADDC What You Will Receive: Clean, organized, and layered AutoCAD (.dwg) source files. PDF drawing sets perfectly formatted for permit submission and site construction. Cost-effective engineering that slashes unnecessary material expenses. Let’s bring professional-grade precision and value engineering to your next project. Send me a message today to discuss your requirements! Best, Engr. Adnan Khan Plumbing Design Engineer | AutoCAD Expert

i have vast experience of HVAC, Radiant heating, Hydronic heating, Geothermal Energy, HVAC load calculations, MEP and Utilities. I can use HAP, Manual JDS, CoolCal, HVAC Solutions, Ansys, Solidworks, AutoCad and Revit. also i have industrial experience of Utilities, Energy, Pumps, Steam and gas turbines, Gas Engines, HVAC and Pipelines Design.

I am a Mechanical Engineer with more than 10 plus years of experience in the USA, Canada, Europe, Middle East and Australian construction industry. My Previous experience includes Design, Selection and Installation of HVAC, Electrical, Plumbing, Drainage and Firefighting Systems in the high rise building Projects as well as in Villas/Houses, Markets, schools, Hospitals, Indoor Plant Facilities, etc. What I can DO for you : 1. Heating and Cooling Load Calculations by following the ASHRAE and ASME standards. 2. Design and Selection of Fans / AHU / Chiller / Cooling Towers / Condenser / Pumps / FCU. 3. Proposal of Cost efficient and Energy efficient HVAC Schemes of: ~ Chilled water system for both Air cooled and Water cooled Chillers. ~ Variable Refrigerant Flow System ( VRF ) ~ DX and Split System 3. Plant Room Design and Making of BOQ . 4. Pipe sizing, Duct sizing. 5. HVAC, Plumbing, and Firefighting Equipment's Selection and Scheduling. 6. Making of HVAC, Plumbing, Drainage and Electrical Design and Shop Drawings on Auto CAD and Revit 7. I can make both 2D as well as 3D Drawings. 8. Cold Storage/ Cod Room Design. 9. HVAC Equipment Designing. 10. Swimming Pool Design. 11. Manual J and S HVAC Load Calculations 12. Complete Electrical System Drawings and Design for a building. 13. Complete Firefighting System Design and drawings for a building. 14. Complete Water Supply and Drainage/ Sewage System Design and drawings for a building and the Town. 15. Equipment Designing 16. Data analyst for MEP Works. 17. Lead Generation or Marketing for HVAC and Plumbing industry. 18. Product Designing on Solid works. 19. Manual J & S Calculations and LoopCad Radiant heating and cooling Design as well. Software’s l use : Auto CAD, Revit, HAP, Pro Engineer, Solid Works 2014, ANSYS 2015, MS Excel, 3D Max, SketchUp, Loop cad, Energy Plus.

Done Masters in Mechanical Engineering - Energy Systems. I had professional background in the field of Power and Energy Sector, Power Plants etc. prior to the MEP Consultancy. I have been involved in the consultancy profession for 8 years and successfully delivered more than 400 projects in the field of HVAC, Plumbing, Fire Fighting Systems, Water Treatment Plants, RO Plants, Vertical Transportation, Garbage Chute System, Waste Heat Recovery Plants and much more. I have been involved in different nature of projects including but not limited to the Residential, Commercial, Health Care, Industries, Retails, Hospitality etc. I have worked with clients from the USA, Canada, UAE, Pakistan and India. I provide the following services: ✅ Professional CAD and PDF drawings of MEP Systems using AutoCAD ✅ Basic level drawings of MEP Systems using Revit ✅ Detailed HVAC Design and Cooling / Heating Load Calculations using HAP, eQuest, chvac and Revit (beginner level) ✅ Energy Modelling of buildings using HAP, eQuest and Revit (beginner level) ✅ Sizing of Air Conditioning / Ventilation Ductwork. ✅ Hydraulic Calculations ✅ Water Supply Fixture Units and Drainage Fixture Units Calculations ✅ Swimming Pool / Fountain Plumbing Design and Calculations ✅ Stormwater Drainage Design and Calculations ✅ Fire Fighting Pumps, Sprinklers, and Pipe Sizing ✅ Smoke Extraction and Stairwell Pressurization System Design + Calculations ✅ Sizing of all major MEP Equipment (Heat Pumps, Split ACs, VRFs, Fan Coil Units, Air Handling Units, Chillers, Boilers, Cooling Towers, Pumps, Fans, Heat Exchangers) ✅ Design of External Infrastructure Services including road Levels and Slopes for Storm Drain, Channelized Storm Drain Network, Sewerage Network, Water Distribution Network and Natural Gas Distribution ✅ Equipment Schedules ✅ Material take-off and Bill of Quantities

One Window HVAC & MEP Solution! If you are looking for your project/work task/technical content writing about following fields than you have clicked a right profile: *- HVAC Designing & material take-off. *- MEP Designing & material take-off. *-Plumbing & Fire fighting Designing & material take-off. *-Mechanical engineering technical reports/literature and presentations. *-Technical content writing in the field of Mechanical engineering, HVAC & MEP. *-Technical content writing in the field of Project Management. *-Feasibility study and initial drafting of the reports and proposal presentations. *-Calculations + Design + estimation + technical book preparation.

I have 10 years experience in fertilizer and Oil & Gas industry. I can provide with expert level services on Plant design, Process optimization and Aspen Simulations.