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Traffic near KMC dumping ground
Published on 12 Nov. 2010 1:06 AM IST
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Movement of light vehicles (one way) along NH 39 landslide area would be possible by November 15 throughout the day and heavy vehicles shortly after that, on watching the effect of repeated movement of light vehicles and rectifications there on, the BRTF said today.
At present, the movement of vehicles along the slide point is permitted only during the night time.
Giving a brief report on the progress of restoration works on NH-39 at slide point near KMC dumping site, Commander HQ 15 BRTF Kohima, Col K. S. Malladi said that restoration works were in full swing by BRO personnel and several activities going on simultaneously to hasten the work. He said that the new alignment has been excavated and that most of the area has stabilized to a large degree. However, a portion in the middle of approx 50 m continued to experience minor slides almost on a daily basis and the road in this portion continued to be weak since entire moisture has not fully drained out, the BRTF Commander said.
It was stated that the emphasis was now on compaction of the road so as to avoid the present alignment from failing. Col Malladi said permitting heavy vehicles at this time could cause the road to sink in some portions unless it was strengthened. It was stated that one of the major causes of the earlier landslides was the excessive moisture retained in the hill mass and now, to minimize this effect, a total of five culverts were being constructed of which three have been completed and the fourth was half completed. The BRTF said work on the fifth culvert would commence once the slide in the central portion stabilized.
Col Malladi said to minimize the formation of ruts on the road surface and damage to it, the sub base layer has also been commenced from Kohima side. Construction of unlined drain has also been done in this area, he said. He said that these two works would be completed in about 10 days time except for the central portion which was still experiencing slides.
The BRTF pointed out that the road was being made in an already weakened and water saturated hill and therefore was much different from a normal fresh cut in a stable hill. It was also stated that there has been no shortage of equipment to tackle the volume of work, the main hindrance being the inherent weakness of the soil strata to withstand loads.

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