Koi pond construction design plan

Quick answer：

A koi pond construction design plan typically includes details such as the layout of the pond, the size and placement of filters, water features, lighting, and aquatic plants. It should also consider the structural integrity of the pond, including materials used for the pond shell and the necessary underlayment. Designers must ensure that the pond is both aesthetically pleasing and functional, supporting the health and well-being of koi fish.