Sub-work definition
Sub-work means a distinct unit of a large work which comprises several buildings, smaller works or groups of smaller works. For example, the outer wall, the solitary cells, the cook houses, the jailor’s quarters, etc., would form separate sub-works when a large Central Jail, is built. The sub-works of a large irrigation canal may include the head works, the main line, each branch of a canal, each group of distributaries relating to each branch separately, the drainage and protective works, etc.