Engineering and Designing of STP Plant and Water Treatment RO Plant -- 2

We need professionals who can provide complete engineering design execution for Sewage Treatment Plant (STP) capacity:1000m3/day and Water Treatment RO Plant (WTP) capacity: 500m3/day with irrigation network system. The designers would provide general Conceptual schematic design for STP and WTP RO and later with complete detailed design and drawings of process flow diagrams, building details, equipment, utility drawings, pipeline and networks drawings, P&ID and all their calculations regarding civil, structural, electrical and mechanical work.