A RCC (Reinforced Cement Concrete) water tank used for fish farming (also known as a fish culture tank) in a vertical configuration is a cylindrical or rectangular upright tank designed to hold and rear fish in a controlled aquaculture environment. Here's a detailed vertical description of such a tank from bottom to top:
Foundation/Base Slab:
Constructed with reinforced concrete (typically M20 to M30 grade).
Thickness: 150300 mm depending on the size and capacity.
May include waterproofing additives.
Slight slope towards the drain outlet to assist in cleaning and water flow.
Drain Outlet:
Located at the bottom center or side of the tank.
Fitted with PVC or stainless-steel piping and a valve.
Allows for easy water exchange and removal of sludge or waste.
Tank Walls (Vertical Structure):
Made of RCC with vertical reinforcement bars and horizontal stirrups.
Thickness: 100200 mm depending on tank diameter/height.
Interior is often plastered and finished with food-grade waterproofing or epoxy coating.
Circular tanks are preferred for water circulation and fish movement.
Inlet Pipe:
Positioned 150300 mm below the top rim.
Connected to a water source (borewell, reservoir, filtration system).
May include flow control valves and aeration fittings.
Overflow Pipe:
Located just below the rim to prevent flooding.
Ensures excess water exits safely.
Aeration System (Optional):
Air stones or diffusers placed near the tank bottom.
Connected to air pumps or blowers for oxygenation.
Tank Covering (Optional):
May include a mesh or net cover to prevent fish from jumping out and to protect from predators.
Sometimes a shed or shade is installed above to control sunlight and temperature.
Access Ladder/Platform:
Provided if the tank height is more than 1.2 meters.
Ensures safe inspection and maintenance.
Price: Â