LAHORE: In a first of its kind project, Water and Sanitation Agency has planned to lay down a new trunk sewer system using micro-tunnel boring technology at an estimated cost of Rs12 billion.The new line will replace many of the pre-partition sewerage lines of the provincial metropolis, said Wasa Managing Director Syed Zahid Aziz, adding laying of this trunk sewerage line will not cause any inconvenience for the general public as there will be targeted excavations without open digging. A...