Underground drainage covers 82 % of roads in the city, and is divided into east and west zones for internal administration.
32.
The field originally used " Gamesaver vacuum vehicles " to dry the surface, though they were replaced by an underground drainage system.
33.
Thiruvarur municipality is implementing underground drainage and the current sewerage system for disposal of sullage is through septic tanks and public conveniences.
34.
If so, our alternate plan is to put heater tape into the underground drainage channels to keep them ice free in winter.
35.
The old one is an unplanned semi-hill town but the modern one is well-planned and is divided into four sectors with underground drainage.
36.
Often this network of underground drainage feeds back to surface drainage along the edges of larger rivers, which are the effective base level.
37.
At that time, about 1 million hectares had underground drainage, and agricultural authorities planned to help install such works on another million hectares.
38.
Recently the underground drainage pipeline work being carried out by the municipal corporation has damaged the northern historical wall of this beautiful place.
39.
There is no underground drainage system and the sewerage system for disposal of sullage is through septic tanks, open drains and public conveniences.
40.
Early renovations included parking lot improvements of LED lighting, new concrete in parking and driveways in the complex, as well as underground drainage.
