Himachal Govt panel release geological report of Krishna Nagar and Fagli building tragedies
Himachal Pradesh Government released the 33 paged detail report which attributed five major reasons for the August 15 tragedies of Krishna Nagar five house collapse and the death of two people and Lalkothi Phagli of Shimla town in which five people died and seven were injured.
Apart from blaming excess monsoon and Western Disturbances rainfall from August 13 to 16, the HIMCOSTE eight members panel gave five major reasons for overburden on the carbonaceous material, clay, extremely thick deportation of unconsolidated material, slope failure along with debris flows and open drains, etc.
The report said that this was the sixth location of a landslide which is Krishna Nagar in which two deaths of slaughterhouse employees took place and five buildings above the Slaughterhouse along with it led to a massive landslide at 5 pm on August 15
The report prepared by the government experts of various departments pointed out that the characteristic geological feature of the area was dominant as a litho unit of Phyllites and schists forming part of the Jutogh Group of rocks.
The report said that along the body of the slide, Carbonaceous material, clays, could be seen resulting in black soil all along the section having extremely thick deposition of unconsolidated material. Thick overburden material along the slope and In-situ rock is well exposed on the periphery.
The main cause of the slide is slope failure leading to debris flow along with the uprooting of trees resulting in the total collapse of buildings along the slope.
Contribution from the open drainage system is a very significant feature of the area even from the springs in the upper catchments.
Recommending features scope of similar Disaster in the Krishna Nagar panel warned that slope is totally unstable due to thick debris cover and liable to be eroded away in future as well.
In 7 th major tragic incident which is the 2nd major tragedy in the number of deaths of people after Shiv Baouri also took place on the almost same line in geological impact as Krishna Nagar.
Panel said that at Lalkothi Phagli another debris slide was activated due to heavy rains along the hill slope originating just below the Shimla Railway Station.
Along the debris flow path, a few temporary shelters washed away causing the burial death of five people (3 Males and 2 Females) and injuring 7 others.
The In-situ rocks on the periphery of the slide are the Schists forming part of the Jutogh group of rocks.
The debris material is black soil which may be the carbonaceous material and is almost similar to the material observed in the adjoining Krishnanagar slide.
