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The committee recommended the demolition of Tower D, where the collapse occurred, and immediate evacuation of the remaining eight towers of the society for the safety of residents.
“The committee has submitted their report and after perusal of the report, it is clear that the structure of Tower-D is not safe for habitation and due to high chloride content in concrete throughout the structure; The structure is also not technically and economically feasible for any kind of repair,” the District Magistrate of Gurgaon said while ordering the demolition of the tower.
“Whereas the committee has brought to my notice that one of the balconies of Tower-F is sagging and there are other problems with the floors of various other flats in Tower-E and F. It also recommended Tower-E and F. Residents should evacuate immediately for safety,” said Gurgaon District Magistrate Nishant Kumar Yadav.
The investigation report noted that repair work was not monitored and retrofitting work was also underway at G-102 at the time of the collapse of Tower D, which was stopped immediately after the incident.
“The committee observed that the excessively corroded steel reinforcement was painted with yellow color solution to hide the corrosion. This error is further confirmed by the report of IIT Delhi,” the committee said in the inquiry report.
Investigation revealed that shuttering support was required prior to retrofitting to Flat D-603, but was not provided.
“Representatives of both Chintel India Pvt Ltd and Manish Switchgear and Construction failed to control and monitor the retrofitting works and resulted in collapse of the slab and damage to the sub-floor,” the report said.
The collapse of the floor slab below the sixth floor suggests that there was a structural deficiency in the overall structure of Tower-D.
“This apprehension is confirmed by the IIT Delhi report, which states that the presence of excessive chloride in concrete has led to rapid and early deterioration of reinforcement. It is also noted that the same sign of reinforcement corrosion is visible in all towers of the project. Hence, the root cause of collapse is attributed to the inherent problem of excessive chloride content in RCC which induces and accelerates corrosion in reinforcement and hence reinforced cement concrete,” the report said.
Regarding the resettlement of families living in Tower-D, the committee said that developer Chintel India Pvt. Ltd. should settle all claims of allottees of Tower-D within the time limit.
The committee enlisted two independent valuers to assess the market value of the flat. The committee recommends that the developer should settle the claims with the residents as per mutual consent within the time frame and give an undertaking in this regard. The price offered by the developer to the flat owners of Tower-D should not be lower than the valuation done by the valuation agencies.
The final report of IIT Delhi also mentioned that the remaining towers – A, B, C, E, F, G, H & J will also be vacated till the ongoing investigation of the team is completed for the safety of the residents.
The report said, “The developer should immediately direct all the families in Towers- A, B, C, E, F, G, H & J to resettle and follow the directions for relocation and relocation of the families.”
The committee asked Sriram Institute to expedite the sampling process for Tower E and Tower F and other towers.
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