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Question 1 of 100
As per NPCP; which of the following statement is true about cleanouts?
A. Cleanouts cannot be omitted on a horizontal drain line less than 1.5 meter in length unless such line is serving sinks or urinals.
B. Each horizontal drainage pipe shall be provided with a cleanout at its upper terminal and each run of piping which is more than 15 meters in total developed length.
C. Each cleanout, unless installed under an approved cover plate, shall be below grade, readily accessible. And so located to serve the purpose it is intended.
D. Cleanouts shall not be provided for pressure drainage systems.