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Transmission Construction Department

Transmission Construction Department under Transmission Wing (TW) is responsible for construction of high voltage (66 kV and above) transmission lines, substations and any associated infrastructures in BPC. The construction works undertaken are mostly for network expansion through BPC’s investment plan or deposit work from hydroelectric power projects. Network expansions are associated with grid extension or up-gradation work to provide reliable and adequate power and also for export of surplus power to India. Transmission Construction Department is mainly responsible for award of work, monitoring of progress, supervision and quality control. The construction works are executed by engaging both local and international (mostly from India) contractors. Consultancy services from firms like POWERGRID and WAPCOS are sought in design, engineering and monitoring especially for construction 400 kV transmission line. Consultants are also mandated to help develop in-house expertise in design and monitoring through close interaction and training both at site and consultants home. Project offices headed by Superintending Engineer (SE) or Senior Project Manager (SPM) are created on a project base for better co-ordination and management of progress and quality under Transmission Construction Department. Transmission Construction Department has a staff of 133 and executes around Nu. 14 billion worth of projects.

 

220 kV Substation under construction 400kV D/C TL under construction Staff Quarters under construction

The present set up of Transmission Construction Department is as follows:

organogram

At present, Transmission Construction Department is executing the following works. Some of the works are in the completion stage and some have been recently awarded:

Sl#

Project/Contracts/Others Contractor Contract Amt. (Nu. million)

Contract signing date

1

220 KV East – West Link Project

a

Construction of 220 kV DC Dagachhu-Tsirang-Jigmiling-Lodrai TL and LILO to Dagepela (additional work) – Total line length (65.78 km) {Dag – Tsi (20.202 km), Tsh – Daga (4.564 km), Tsi – Jig – Lod (41.01 km) M/s. Shyama Power in JV with M/s. Steel Products

659.514

20.02.2009

b

Construction of 220 kV Substation at Tsirang M/s. KEC International

205.537

08.07.2010

c

Construction of 220/132 kV Substation at Jigmeling M/s. KEC International

411.072

08.07.2010

d

Construction of Staff Quarters at Jigmeling M/s. Raven Builders (former Norgay Construction)

65.636

26.05.2010

 

Total  

1,341.759

 

2

400 KV Punatsangchhu-I transmission system (Deposit works for PHPA I)    

 

a

400 KV Punatsangchhu-I transmission system (Package A) Consortium of M/s. Jyoti Structures & M/s. Gammon Ltd.

2,900.852

12.08.2010

b

400 KV Punatsangchhu-I transmission system (Package B) Consortium of M/s. Jyoti Structures & M/s. Gammon Ltd.

2,900.852

12.08.2010

c

Consultancy services for transmission lines POWERGRID

126.460

22.4.2009

d

Construction of pre-fabricated Staff Quarters at Lobesa, Kamichhu, Dagapela & Lhamoizingkha M/s. KD Construction

16.294

08.06.2010

e

Construction of Staff Quarters at Lobesa M/s. Welfare Construction

43.618

26.05.2010

f

Construction of Staff Quarters at Dagapela M/s. Norgay Construction

38.000

06.10.2010

g

Construction of Staff Quarters at Lhamoizingkha M/s. Gyaltshen Construction

18.712

27.01.2011

h

Renovation of office building Sangrila Construction

0.688

i

EIA Kelwang Consultancy

2.440

117.312

 

Total  

6,047.916

 

3

Construction Power for MHPA (Deposit works for MHPA)    

 

a

Construction 33 kV lines and associated substation and auto-reclosers Bhutan Engineering Power Co. Pvt. Ltd., Thimphu

19.752

17/08/2011

b

Construction of Yurmoo substation excl Xmer M/s. Shyama Power

86.431

19.12.2011

c

Supply of Xmer M/s. Schneider Electric Infrastructure Ltd

29.400

25.1.2012

d

Procurement by PSD

89.003

108.76

Total  

224.586

4

400 kV TL Project for MHPA (Deposit works for MHPA)

a

Technical Services for 400 kV TLs for MHEP WAPCOS/CEA

147.692

29/09/2011

b

2 Nos. 400 kV D/C Transmission Lines from Pothead Yard of MHEP to Jigmeling Via Goling Kalpataru

5,489.732

17/01/2013

Total  

5,637.424

5

Waste Disposal at Kikila Wangyal Construction

7.370

09/07/2012

6

220 kV Malbase-Samtse Transmission Project Office, Phuentsholing    

 

a

Construction of 66 kV Samtse-Gomtu/Sibsoo lines M/s. Shyama Power

154.784

03.03.2011

b

Construction of 220 kV Malbase-Samtse TL  M/s. Jyoti Stuctures Ltd.

382.488

09.06.2011

c

220 kV substation at Samtse along with the bay extension at Gomtu  M/s. ABB

410.317

21.3.2013

 

Total  

947.589

 

7

PHPA II System (Deposit work for PHPA II)    

 

a)

Consultancy Agreement with POWERGRID  POWERGRID

160.443

13.12.2012

GRAND TOTAL  

14,367.087

 

The works are monitored through Monthly Progress Review Meeting with the contractor at Project Level and Quarterly Progress Review Meeting at Head Office Level, which is organized by Transmission Wing.

monthly progress review meeting

As per the Investment Plan, the following projects are in immediate pipeline:

a)      400 kV D/C Punatsangchhu II – Jigmeling transmission line;

b)      220 kV substations in Dagapela and Sunkosh;

c)      220 kV D/C transmission line from Dagapela to Sunkosh; and

d)     132 kV transmission line from Motanga to Nganglam.

The construction of the Power Infrastructures especially the HV transmission lines are facing major challenges to obtain the easement and public consensus. Further, the establishment of community forests, although done with nobel objective to protect environment, is a huge challenge for BPC as it is taking very long process and time for obtaining clearances for construction of Power Infrastructures through the community forests. The difficult and rugged terrain of Bhutan is also a great challenge to complete the works in scheduled time. The shortage of the skilled manpower in Bhutan is a concern as most of the workers have to be sourced from India.