Excavation of sewer line is started from the _______ side:
Options:
Explanation:
Excavation of a sewer line is generally started from the outfall or disposal side. This ensures that the sewer line is laid with the proper gradient for efficient flow of wastewater. Starting from the lower end (outfall/disposal side) helps maintain a consistent slope towards the collection or disposal point.
Answer:
Excavation of sewer line is started from the A and B side:
