I am an Plumbing Engineer, who can design Drainage system, Water Supply, Water Distribution, Storm Water Drainage, Basement Drainage, Rain Water Harvesting, OHT Puddle Flange Details, UG Sump Puddle Flange Details, STP - SBR & Electro Coagulation design, Enlarged Toilet Details, Floor Plans, External Drainage Network. Also AutoCAD drawings for all the mentioned jobs can be done.