Surveying and levelling by Total Station Method and Trial pit excavation works through outsourcing for the Transmission Main Feeder Mains and Branch Pumping Mains to Formulate a New CWSS to Ottanchatram Municipality and wayside habitations of Dindigul and Tiruppur Districts taking Thirumoorthi Dam Pickup weir as Source including fixing Bench marks, Preparing alignment plan, LS plan, Ceritified L.F. Book and handing over of 5 sets of Drawings, L.F. books and other connected records along with soft copies in prescribed format etc complete