Geophysical Survey Works of Posta Bahadur Bogati Tunnel Project (BhimphediKulekhani Tunnel Construction Project)- 3.25 km

Geophysical Survey Works of Posta Bahadur Bogati Tunnel Project (BhimphediKulekhani Tunnel Construction Project)- 3.25 km

Geophysical Survey Works of Posta Bahadur Bogati Tunnel Project (BhimphediKulekhani Tunnel Construction Project)- 3.25 km

Project: Posta Bahadur Bogati Tunnel Project 

Assignment: Geophysical Survey Works of Posta Bahadur Bogati Tunnel Project (BhimphediKulekhani Tunnel Construction Project)- 3.25 km

Location: Makwanpur District, Bagmati Province

Client: Ministry of Physical Infrastructure Development; Bagmati Province

Duration: February 2020 to July 2020

Project Description: This project is located in Makwanpur District and is strategically important to reduce the road length from Kathmandu to Hetauda by 10km. The tunnel passes through Lesser Himalaya Range. Total length of the tunnel is 3.25km. The road tunnel has been planned for double lane main tunnel with escape tunnel. The approach road is of length 4.5 km (0.5 km towards Kulekhani and 4 km towards Bhimphedi)

Scope of Services: 

Equipment Used:

  1. 2D-ERT- SYSCAL R1 Plus Switch 48, IRIS, France;
  2. Software- PROSYS, RES2DINV
  3. 1D- MAM & HVSR- L Shaped Array with 11 geophones;
  4. Software- Seisimager/SW (Pickwin 95, Wave Eq and Geoplot)

 

S.N.
Location
Name of the profile
Length of the profile
Coordinates of electrode/MAM
First electrodeLast electrode
1
Bhimphedi Portal
ERT-1370 m0613006E, 3048570N0613221E, 3048871N
2ERT-2230 m0613186E, 3048576N0612957E, 3048603N
3MAM-10613006E, 3048570N
4MAM-20613064E, 3048650N
5MAM-30613093E, 3048691N
6MAM-70613074E, 3048613N
7
Around main tunnel Deurali
MAM-90614132E, 3050270N
8MAM-100614250E, 3050133N
9
Kulekhani Portal
ERT-3370 m0614924E, 3051182N0614564E, 3051095N
10ERT-4230 m0614749E, 3051000N0614891E, 3051181N
11MAM-40614785E, 3051061N
12MAM-50614814E, 3051102N
13MAM-60614872E, 3051183N
14MAM-80614853E, 3051105N