Lok Sabha Question No. 1032 (UNSTARRED), answered on 2024-02-08
Subject: Tunnel Accident
Ministry: ROAD TRANSPORT AND HIGHWAYS
Asked by: K. Subbarayan, Su Thirunavukkarasar

## GOVERNMENT OF INDIA

## MINISTRY OF ROAD TRANSPORT AND HIGHWAYS

## LOK SABHA

## UNSTARRED QUESTION NO.1032

ANSWERED ON 8 TH   FEBRUARY, 2024

## COLLAPSED TUNNEL

1032.  SHRI SUBBARAYAN K : SHRI THIRUNAVUKKARASAR SU :

## Will the Minister of ROAD TRANSPORT AND HIGHWAYS

सड़क परिवहन औि िाजमार्ग मंत्री

be pleased to refer to the reply given to the Unstarred Question number 741 dated 7 December, 2023 and State:

- (a)  whether  the  Expert  Enquiry  Committee  to  investigate  the  causes  of  the accident  at  the  Silkyara  Tunnel  site  has  submitted  its  report  and  if  so,  the findings thereof and the action taken thereon;
- (b) whether the NHAI has initiated safety audit of the ongoing tunnel projects across the country in order to ensure adherence of safety standards and if so, the details of action taken in this regard, State-wise; and
- (c)   the time by which its report is likely to be submitted?

## ANSWER

## THE MINISTER OF ROAD TRANSPORT AND HIGHWAYS

(SHRI NITIN JAIRAM GADKARI)

- (a)  The  Expert  Committee  has  visited  the  site  and  submitted  a  Preliminary Report. Accordingly, instructions have been issued to the concerned to take necessary action to restart the project with necessary safeguards. Based on the preliminary report, show cause notices have been issued to DPR Consultant, Authority's Engineer, EPC Contractor and project supervisory officials of NHIDCL for the shortcomings pointed out by the Committee;

(b) & (c) NHAI has conducted preliminary safety audit of all existing and on-going tunnel  projects.  The  details  are  attached  as  Annexure-A.  Further,  NHAI  has signed MoUs with DMRC/KRCL for detailed safety audit of critical tunnels in the State of Himachal Pradesh, UT of Jammu and Kashmir and Delhi. The time period stipulated for conducting the safety audit is 3 months.

## Annexure-A

## STATEMENT REFERRED TO IN REPLY TO PART (b to c) OF THE LOK SABHA UNSTARRED QUESTION NO. 1032 FOR 08.02.2024 ASKED BY Shri Subbarayan K and Shri Thirunavaukkarasar SU REGARDING COLLAPSED TUNNEL.

| SNo   | State       | Name of Project & Chainage                                                                                                                                                                                                                                                 | Progress ofwork%   |
|-------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------|
| 1     | Karnataka   | 4/6-laning of Hungund-Hospet Section ofNH-50 Ch. 420.03m                                                                                                                                                                                                                   | 100                |
| 1     | Karnataka   | Goa/KNT Border to Kundapur Section of NH-66 Ch.106.918 to 107.847                                                                                                                                                                                                          | 100                |
| 2     | Assam       | Nagabasti Tunnel Ch.138.476 to139.556                                                                                                                                                                                                                                      | 100%               |
| 3     | Meghalaya   | Rehabilitation and upgradation of existing ro Ch.ad to 2-lane with paved shoulder configuration in Jowai - Meghalaya /Assam border section of NH-44 from 69.200 to Km173.2000(104 Km) in the state of Meghalaya on EPC mode Ch.141+100                                     | 100%               |
| 4     | Odisha      | Development of Six Lane Baraja - Kandili Section of NH-130 CD Road from Km. 338+500 to Km. 342+500 under Raipur - Visakhapatnam Economic Corridor in the state of Odisha, on Hybrid Annuity Mode (Package- OD-7) Ch.From Km.338.850 to Km.342.270                          | 34.67%             |
|       |             | Development of Six Lane Kandili to Tumbigura Section of NH-130 CD Road from Km.342+500 to Km.365+033 under Raipur- Visakhapatnam Economic Corridor in the state of Odisha, on Hybrid Annuity Mode (Package - OD-8) Ch.From Km346.000 to Km.348.870                         | 28.17%             |
| 5     | Uttarakhand | Development of six - lane access-controlled highway from design chainage 8+130(near Mohand) to design chainage 16+380 Daat kali Tunnel of Ganeshpur - Dehradun section of NH-307 (Old NH- 72A) in the state of Uttar Pradesh& Uttarakhand (Package-2). Ch.15+970 to 16+340 | 99%                |
| 6     | Maharashtra | Construction of Six lane twin tube tunnel at Khambataki Ghat in the state of Maharashtra in EPC mode Ch.from Km. 772.680 to 773.828                                                                                                                                        | 60%                |
|       |             | Construction of Eight lane access controlled Expressway fromKm 69.800 to Km79.783 (Bhoj to Morbe -Spur) of Vadodara Mumbai Expressway) in the State of Maharashtra on Hybrid Annuity mode under Bharatmala Pariyojana (Phase II-Package XVII) Ch.Ch. 71+520 to Ch. 75+680  | 20.00%             |

| 7   | Odisha         | Development of Six Lane Baraja - Kandili Section of NH-130 CD Road from Km. 338+500 to Km. 342+500 under Raipur - Visakhapatnam Economic Corridor in the state of Odisha, on Hybrid Annuity Mode (Package- OD-7) Ch.From Km.338.850 to Km.342.270                                                                                                                                                                         | 34.67%                                            |
|-----|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------|
|     |                | Development of Six Lane Kandili to Tumbigura Section of NH-130 CD Road from Km.342+500 to Km.365+033 under Raipur- Visakhapatnam Economic Corridor in the state of Odisha, on Hybrid Annuity Mode (Package - OD-8) Ch.From Km346.000 to Km.348.870                                                                                                                                                                        | 28.17%                                            |
| 9   | Andhra Pradesh | Development of Six-Lane Access Controlled Greenfield Highway from Audireddipalle (Ch. 160+000) to Mallapalle (Ch. 176+000)Bengaluru - Vijayawada Economic Corridor onHAMMode under Bharatmala Pariyojana Phase-I in the state of Andhra Pradesh(Package-07) Ch.Km166+760toKm166+890 Km168+480toKm168+620 Km169+290 toKm169+340(LHS)                                                                                       | Yet to commenc e (Appointe d Date to be declared) |
|     |                | Development of Six-Lane Access Controlled Greenfield Highway from Mallapalle (Ch. 176+000) to Kavulakuntla (Ch. 196+000) Bengaluru - Vijayawada Economic Corridor onHAMMode under Bharatmala Pariyojana Phase-I in the state of Andhra Pradesh (Package-08) Ch.Km190+630toKm190+970                                                                                                                                       | Yet to commenc e (Appointe d Date to be declared) |
|     |                | Development of six-lane access cotrolled Greenfield Highway from Kavulakuntla (km.196.000) to Narayanampeta (km.203.500)of Bangalore - Kadaya - Vijayawada Economic Corridor on HAM modeunderBharatmala Pariyojana-I in the State of Andhra Pradesh (Pkg.9) Ch.km.197+080 to km.200+760 (Twin tube tunnel withcross passage) km.197+080 to km.200+760 (Twin tube tunnel withcross passage)                                | Yet to commenc e (Appointe d Date to be declared) |
|     |                | Development of Six lane Access controlled Greenfield Highway from Narayanampet(Km 203.500) to Chandrasekharapuram (Km228.000) of NH-544(G) Bengaluru - Vijayawada Economic Corridor on HybridAnnuity Mode under Bharatmala Pariyojana Phase- I in the State of Andhra Pradesh (Package-10) Ch.km.224.700 to km.224.960 (Twin tube tunnel withcross passage) km.224.700 to km.224.960 (Twin tube tunnel withcross passage) | Yet to commenc e (Appointe d Date to be declared) |

| SNo   | State            | Name of Tunnel Project                                                                                                                                                                                                                                                                                                                                       | Progress of work%                                 |
|-------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------|
|       |                  | Development of Six lane Access controlled Greenfield Highway from Chandrasekharapuram (Km 228.000) to Polavaram (Km 260.000) of NH-544(G) Bengaluru - Vijayawada Economic Corridor on Hybrid Annuity Mode under Bharatmala Pariyojana Phase- I in the State of Andhra Pradesh (Package-11) Ch.km.239.144 to km.240.898 (Twin tube tunnel with cross passage) | Yet to commenc e (Appointe d Date to be declared) |
| 10    | Chhattisgar h    | Development of six lane Basanwahi Marangpuri section of NH 130CD from Km99.500 to km 124.661 of Raipur - Vishakhapatnam economic Corridor in the state of Chhattisgarh on HAM(Pkg-CG-3) Ch.106+820 to 109+610                                                                                                                                                | 0% (The tunnel Work yet to started)               |
| 11    | Madhya Pradesh   | Indore - Edlabad (Pkg-II) [Tejajinagar to Balwara] Ch.23+890, 30+660                                                                                                                                                                                                                                                                                         | 41%                                               |
| 12    | Jammu & Kashmir  | Four Laning from Udampur - Chenani & Nashri - Ramban on NH 44 from km 67 to 89 &Km130to 151 in the UT of J&K Ch.Km 136+339 Km136+506 Construction of four lane                                                                                                                                                                                               | 99.5 85 0.59                                      |
|       |                  | twin tube tunnel from Marog to Digdol on NH-44 in the UT Ch.Km 156+035                                                                                                                                                                                                                                                                                       | 0.57                                              |
|       |                  | Construction of four lane twin tube tunnel(2X2-lane configuration) including approaches from Digdol to Khuni Nallah on NH-44 in the UT of J&K (2 Tunnels) Ch.Km 158+750 Km160+360 Km164+140                                                                                                                                                                  | 10.32 16.51 0                                     |
|       |                  | Construction of Balance Work and Value Addition Works of Four Laning of part of Ramban to Banihal Section of NH-1A (Now NH-44),From Km151.000 to 187.000 in the UT of J&K on NH444 (4 Tunnels) Ch.Km 165+254 Km165+855 km155+100 Km176+330                                                                                                                   | 85                                                |
|       |                  | Construction of tunnel/ viaduct at identified sliding/slip zones in Udhampur Ramban section on NH44 in the UT of J&K Ch.Km 147+880                                                                                                                                                                                                                           | 39.62                                             |
|       |                  | Balance works of Ring road Jammu including Tunnels (Twin tube tunnels) on NH- 244A in the UT of J&K Ch.Km 50+713& Km53+535                                                                                                                                                                                                                                   | 12.9                                              |
| 13    | Himachal Pradesh | 4 Laning of Solan- Kaithlighat section of NH-05 from Km. 106.139 to Km. 129.050 in the state of Himachal Pradesh. [1 Tunnel Tube] Ch.117+390 to 18+057                                                                                                                                                                                                       | 41.00%                                            |
|       |                  | 4 Laning of Kiratpur Nerchowk section of NH-205 in the State of Himachal Pradesh. [1 Tunnel Single Tube] Ch.12+732 to 14+568                                                                                                                                                                                                                                 | 70.33%                                            |
|       |                  | 4 Laning of Ner Chowk Pandoh including Pandoh Bypass section of NH- 21(Package-1 Km190.000 to Km221.305) in the state of Himachal Pradesh. [2 Twin Tube Tunnels consisting of 4 tubes]                                                                                                                                                                       | 80% 75% 80%                                       |

|    |        | Ch.196+700 to 198+000 196+700 to 198+000 198+410 to 199+010 198+410 to 199+010                                                                                                                                                                                    | 75%                |
|----|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------|
|    |        | 4 Laning of End of Pandoh bypass to Takoli Section of NH-21 (Km 221.305 toKm 242.000) (Design Length18.908 Km) on Hybrid Ch.218+507 to 220+560 218+507 to 220+560                                                                                                 | 78% 78%            |
|    |        | Annuity Mode in the state of Himachal Pradesh. [2 Nos. Twin Tube Tunnels and 1 Nos. Single Tube Tunnel] Ch.221+010 to 221+375 221+010 to 221+375 230+290 to233+140                                                                                                | 100% 100% 100%     |
|    |        | 4 Laning from Bhangbar (Near Ranital) to Kangra Bypass Section of NH-88 (New NH-303 &503) up to Intersection with NH-154 on NH-503 & 303 in the State of Himachal Pradesh. [1 Nos. Twin Tube Tunnel consisting of 2 tubes] Ch.187+100 to187+730 187+100 to187+730 | 5.19% 7.53%        |
|    |        | 4 Laning of Mo to Sihuni (Km 42.000 to Km51.000) on NH- 154 Package-1B in the State of Himachal Pradesh. [2 Twin tube tunnels consisting of 4 tubes] Ch.41+570 to 42+270 41+570 to 42+270 44+790 to 45+240 44+790 to 45+240                                       | 60% 60% 65% 65%    |
|    |        | Four Laning of Shimla bypass on NH22 in the state of Himachal Pradesh Package 1 (2 Twin Tube Tunnels consisting of 4 tubes) Ch.129+940 to 130+620 129+940 to 130+620 135+595 to 136+800 135+595 to 136+800                                                        | 49.12% 9.01% 0% 0% |
| 14 | Delhi  | Construction of Dwarka Expressway from Shiv Murti,NH-8 to Road Under Bridge (RUB) near sector 21 Dwarka( km -0.600 to km 5.300) - Package 1 in the state of Delhi on EPC mode Ch.1+200 to 4+800                                                                   | 99.21%             |
| 15 | Kerala | Kuthiran Tunnel in 6-laningof Vadakkenchery to Thrissur (km 240.000 to km 270.000) section ofNH-544 Ch.247.415 to248.408                                                                                                                                          | 99.8%              |

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