Investigation Works for Road Tunnel and Road Rehabilitation Projects

S.N Project Name Location Started Ended No of Drill Holes Drilled Depth (m) Max. Drilled Depth (m) Remarks
1 Nagdhunga-Naubise-Mugling Road Dhading/

Chitwan

December 2024 February 2025 10 340 50 Exploratory core drilling and in situ testing
2 Kathmandu Terai Fast Track Project Sisneri April 2024 August 2024 18 690 40
3 Pre-Construction Ground Investigation of Access Road of Upper Arun Hydroelectric Project Gola/Namase/Rukuma October 2023 June 2024 6 110 20 Exploratory drilling, Test Pitting, SPT testing and Laboratory test
4 Posta Bahadur Tunnel (Bhimphadi – Kulekhani Tunnel) Project Makawanpur March 2020 June 2020 4 200 50 Exploratory core drilling and in situ testing for bearing capacity and permeability
5 Nagdhunga Tunnel Construction Project Nagdhunga May 2017 December 2017 8 605 185
6 Road Sector Development Project Phase I: Feasibility study and detail engineering Nepal May 2010 November 2015 In situ testing DCPT, test pitting sampling and laboratory testing
7 Tilganga-Tamraganga    Proposed    Bypass, Kathmandu Tilganga May 2010 June 2010 4 60.5 19 Exploratory core drilling and in situ testing for bearing capacity and permeability
8 North South Fast Track Road Project (TA 4842 NEP) Makawanpur November 2007 April 2008 9 180 20
9 Narayanghat-Mugling Road Rehabilitation Project Gorkha Chitwan March 2005 June 2005 4 80 20
10 Shali Nadi Rehabilitation Project Kathmandu November 2004 December 2004 2 40 20
11 Road Maintenance Development Program- 500km (RMDP) Surkhet-Jumla- Darchula-Kalikot December 1999 April 2004 In situ testing DCPT, test pitting sampling and laboratory testing

 

Road Cut Slope Stability Projects

S.N. Project Name Location Started Ended No of Drill Holes Drilled Depth (m) Max. Drilled Depth (m) Remarks
1 Horizontal drilling for soil nailing along Mugling-Narayanghat Highway,

CH 26+025

Bhaludhunga, Chitwan October 2021 January 2022 58 1160 20 DTH horizontal drilling for installation of soil nail and grouting
2 Insertion of Horizontal Sub surface drainage at Dhulikhel-Sindhuli road Kavreplanchowk June 2015 July 2015 7 350 50 Horizontal Drilling and Installation of subsurface horizontal drainage
3 Landslide Control for Bardibas-Sindhuli Bazar Road Section, Station 29+300 Sindhuli October 2013 March 2014 51 2254 50
4 Engineering Geological  and Geotechnical Investigation (Drilling) in Landslide in Mechi Highway,

Ch: 104+700, Mai Khola

Mai Khola, Ilam February 2013 February 2013 3 60 20 Engineering Geological mapping, Drilling insitu testing and Geotechnical investigation

 

Major Bridge Site Investigation Work Accomplished: Exploratory Drilling and In-situ Testing

S.N. Project Name Location Started Ended No of Drill Holes Drilled Depth (m) Max. Drilled Depth (m) Remarks
1 Geotechnical investigation of 5 bridges along Gorkha- Barpak Road Gorkha September 2015 December 2015 15 238 17 Exploratory drilling and in situ testing for bearing capacity and permeability
2 Geotechnical   Investigations   for   Chharuwa   Khola, Bridge, Dhankuta, LRBP Dhankuta December 2013 December 2013 3 49.75 20
3 Geotechnical Investigation of Bridge Over Likhu Khola Ramechhap- Solukhumbu July 2010 July 2010 2 40 25 Exploratory drilling and in situ testing for bearing capacity and permeability
4 Geotechnical Investigations for Mulsangu River Bridge Bhatkekopati-Jitpur-Kalamasi  Road Bhaktapur May 2010 June 2010 2 30 15
5 Geotechnical Investigatin of Bridge over Karnali River Dailekh / Accham November 2009 December 2009 2 61 31
6 Thopal Khola Bridge Project Dhading October 1999 November 1999 2 40 20