Adnan Barkat

Engineer Adnan

Plumbing Systems • Freelance

Apr 2015 - Present • 11 yrs 5 mos

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 precis