Grease should not be allowed to enter the normal drainage system.

Cast iron pipes should confirm to IS 1729.

When was SWMM developed?

What is the standard brick size?

What is the depth of concrete required for half-round channels for surface drains?

What is the capacity of the preferred low level flushing cistern?

Which of these is not an important component of house drainage system?

Which of these is negative effect owing to the drier soil conditions?