Hello, With you is Eng. Ahmed Ayman (part-time and freelancer) MEP mechanical design engineer. I offer specialized engineering services in: ✅ Design of air conditioning systems (HVAC) according to Saudi Code and ASHRAE ✅ Design of fire fighting and alarm systems ✅ Design of water supply and sanitary drainage networks (Plumbing) ✅ Preparation of shop drawings ✅ Quantity surveying (BOQ) Contact me on WhatsApp and I will send you my CV and previous work.