The Water Treatment Plant associated with Firefighting water tank has been designed as Beam Column moment resisting frame with RC retaining wall sized by 50.1(L)x18(W)x6(H). The Foundation is considered as RC Pad footing with 500mm thickness. The Water Treatment Plant is structurally designed with a beam-column moment resisting frame for stability, reinforced concrete retaining walls for soil and water retention, and RC pad footings for adequate load distribution to the soil. This combination ensures the structural integrity and durability of the facility