Proper Construction of Domestic Biogas Plant
Construction of Dome, Gas Holder
Plastering of Digester and Gas Holder
5 Layers of Dome Treatment
Construction of Turret
Construction of Outlet tank
The earth in the base of outlet, behind the manhole has to be well compacted otherwise cracks will appear in the outlet floor later on. The inside dimension of outlet chamber can be found on the drawing under length, breadth and depth. The length and breadth of digging should be the inner dimension plus wall thickness plus plaster layer. Ensure that the distance from the floor of the manhole to finished floor of the outlet is equal to height ‘Hop’ in the drawing.
The slab should be cured daily for at least 5 days before it is placed into its location. The slab must be more than 5.5 cm thick with proper reinforcement of 2 cm from the bottom. The slab must be of size that could be handled by 3-4 people without great difficulty. The outlet cover slabs are very essential to protect people especially the children and animal from falling inside. Furthermore it stops the rainwater entering into the digester and also helps in avoiding excessive vaporization of slurry in the dry and hot season.
The Dimensions of outlet Slabs