This detailed technical illustration showcases the foundation design required for a Ground Plus One (G+1) floor building, focusing on the correct footing size, reinforcement arrangement, and safe foundation depth. It demonstrates a 10 inch × 10 inch footing, reinforced with 10mm bars, which provides essential support and load transfer capacity for a two-storey structure.

The footing base is shown as 10 ft × 10 ft, offering a wide load distribution area that reduces soil pressure and ensures stable settlement. This larger horizontal spread is crucial for G+1 buildings, especially in regions where soil bearing capacity varies or where long-term structural stability is a priority.

The sectional view highlights the RCC column reinforcement, showing continuous vertical bars extending from the footing upward through the ground level (GL). This continuity is vital for maintaining structural integrity, resisting bending, shear forces, and distributing loads uniformly. The reinforcement is correctly tied using stirrups, ensuring column stability during construction and under structural loads.

The image also shows a 10-feet foundation depth, which is appropriate for G+1 buildings in typical soil conditions. This depth protects the foundation from moisture variations, seasonal changes, and surface-level soil instability. Going deep ensures the structure anchors into a more stable soil layer, increasing the life and safety of the building.

The clear labeling of footing size, GL (ground level), reinforcement detailing, and depth makes this design easy to understand for students, contractors, site supervisors, and homeowners planning to construct a safe G+1 structure. It visually communicates how the footing and RCC column work together to support vertical loads while maintaining balance and strength.

Overall, this foundation design illustration for a Ground Plus One (G+1) structure serves as an essential reference for safe residential building construction. It explains the basic but critical structural elements needed to support a two-storey home with proper footing, reinforcement, and foundation depth.