Call Us: +977-1-4473291/4495894     Mail: info@sigmacon.com.np

Welcome to Sigma Con.

Sigma Con. (P) Ltd., is a leading construction company of high voltage transmission line in Nepal. Established in November 1994, as a construction and consulting company in the field of Electrical and Communication Engineering, it has been providing EPC solutions to the growing demands of Transmission and Distribution (T&D) sector in the region. Sigma Con. has been involved in some of the largest and most complicated electrical construction projects in Nepal. After 20 years of steady growth, we provide array of services within electrical construction industry which includes design and construction of transmission & distribution lines and electrical substation.

Services

List of our Clients

  • Nepal Electricity Authority, Nepal.
  • KEC International Limited, India.
  • China International Water & Electric Corp., China.
  • Energypac, Bangladesh.
  • Tata Projects Limited, India.
  • Sinohydro Bureau 6 Co. Ltd., China.
  • ICOMM Tele Limited, India.
  • Bhote Koshi Power Company Pvt. Ltd., Nepal.
  • Inabensa Bharat Pvt. Ltd, India.
  • KHNP Consortium, Nepal.
  • SEAN Engineering & Construction, Korea.
  • Danida/ESAP, Nepal.
  • Aichi Electric Co., LTD, Japan.
  • United Modi Hydropower (P.) LTD, Nepal.
  • Dongfang Electric Corporation, China.
  • Hazama Corporation, Japan.
  • Tanaka Electric Co. LTD, Japan.
  • SIEMENS AG, Germany.
  • Toshiba Corporation Komukai works, Japan.
  • China Gezhouba Construction Group, China.
  • Colgate Palmolive, Nepal.

Projects

The company has executed many turnkey projects on overhead transmission line, overhead & underground distribution line and electrical substation in Nepal. Listed below are some of our featured projects:

  • Supply, delivery, installation/erection, testing and commissioning of Matatirtha Naubise 33 kV transmission line. Client – Nepal Electricity Authority.
  • Tower foundation, erection, conductor stringing, testing and commissioning of 220 kV double circuit transmission line from Gongar to Khimti for Upper Tamakoshi Hydro-power Limited. Main Contractor – KEC International Limited, India.
  • Design, supply, construction, testing and commissioning of 132 kV double circuit transmission line from Kushma to Lower Modi, Prabat and Bay extension works at Lower Modi – 1 (UMHEP switchyard) Substation, Chuwa. Client – Nepal Electricity Authority.
  • Design, supply, delivery, installation/erection, testing, commissioning and handover of 33/11 kV, 6/8 MVA Sub-station at Sindhabesi, Kaski. Client – Nepal Electricity Authority.
  • Supply, delivery, installation, erection, commissioning and testing handover of 11 kV covered conductor upgrading for various feeders and 0.4/0.23 kv ABC conductor distribution lines in various feeder’s load centers of Sindhupalchowk Distribution Center. Client – Nepal Electricity Authority.
  • Design, supply, construction, installation, testing and commissioning of 132 kV transmission line from New Marsyandi substation to Damauli substation. Client – Nepal Electricity Authority.
  • Design, Supply, Installation, Testing and Commissioning of Chameliya-Syaule-Attariya 132 kV Second Circuit Transmission line. Client – Nepal Electricity Authority.
  • Construction of 220/132 kV New Khimti Substation for Upper Tamakoshi Hydropower Limited. Main Contractor – KEC International Limited, India.
  • Construction, Installation, Testing and Commissioning of Samundratar – Trishuli 3B Hub 132 kV Transmission Line. Main Contractor – ETERN-CCCE-FEPEC J/V.
  • Design, Supply, Installation, Testing and Commissioning of 132 kV Transmission line Motipur – Sandhikharka and Transmission Line Loopin Loopout works at Motipur Substation. Client – Nepal Electricity Authority.
  • Detail Survey, design, supply, delivery, erection, stringing, testing/commissioning and handover of 33 kV sub transmission line from Lekhnath Substation to Sindhabesi, Kaski.
  • Supply, delivery, erection, stringing, testing/commissioning and handover of 33 kV sub transmission line from Ghattekhola, Lamjung to Thanchowk, Manang.
  • Survey, design, delivery, installation/erection, testing and commissioning of 33kV sub transmission line from Damauli substation to Bhorletar.
  • Stringing, testing and commissioning of 132 kV second circuit transmission line (Live Line Stringing) including OPGW of Nepal Electricity Authority from Kohalpur to Mahendranagar (200 km).
  • Re-routing work from Tower No. 177 to 181 on Suichatar-Marsyandi 132 kV transmission line at Jogimara, Dhading.
  • Construction and erection of  132 kV transmission line towers and stringing of conductors for Thankot-Chapagaon-Bhaktapur 132kV Transmission Line project.
  • Supply, delivery, erection, stringing, testing and commissioning of 132 kV overhead transmission line for Nepal Upper Madi Hydro-power Station.
  • Stringing, testing and commissioning of 132 kV second circuit transmission line (Live Line Stringing) of Nepal Electricity Authority from Butwal to Kohalpur (118 km).
  • Stringing and testing of OPGW cable under “Live Line Condition” on 132 kV transmission line of Nepal Electricity Authority from Bardaghat to Hetauda Substation (152 km).
  • Supply, delivery, stringing, testing and commissioning of 47 km long Hetauda–Kulekhani–Matatirtha–Siuchatar 132 kV second circuit line (Live Line Stringing).
  • Construction of 132 kV double circuit transmission line from Attariya to Dadeldhura (66 km) of Chameliya Hydro Electric Project in association with KHNP Consortium of South Korea.
  • Supply of transmission line materials and construction of 132 kV transmission line for United Modi Hydro Electric Project (8.75 km).
  • Survey, design, supply, installation, testing and commissioning of 33 kV double circuit transmission line on self-standing lattice tower from Kamane substation to Laxmipur Hatiya Shivam Cement Project of NEA Hetauda.
  • Construction of 30 MVA, 132/33 kV and 15 MVA, 33/11 kV substation at Kawasoti, Nawalparasi under Aichi, Japan.
  • Supply, delivery and commissioning of 132/33 kV, 15 MVA Transformer Bay at Lamosangu substation and installation, erection, testing and commissioning of 15 MVA, 132/33 kV power transformer.
  • Design, supply, installation and construction of 33 kV double circuit line with“BEAR”conductor on self-standing lattice tower of Duhabi Tanki-Sinuwari Transmission Line Project of Nepal Electricity Authority.
  • Supply, delivery,installation/erection,testing and commissioning of 33, 11 &0.4 kV line and 11/0.4 kV distribution transformers under Rural Electrification and Distribution System Reinforcement Project in Saptari and Udayapur Districts of Nepal Electricity Authority.
  • Installation of 4 nos. 3 MVA, 33/11 kV Satellite substations at Kailali and Kanchanpur districts of far western Nepal under Danida funded Kailali and Kanchanpur Rural Electrification Project.
  • Design, supply, delivery and construction of 30 km, 33 kV transmission line from Baitadi to Balanch of Chameliya Hydro Electric Project NEA.
  • Installation of Medium Voltage and Low Voltage distribution system of Kailali Kanchanpur Rural Electrification Project funded by DANIDA.
  • Supply, delivery and installation of 11 kV underground cables inside Kathmandu City under K-3 substation Project of Nepal Electricity Authority.
  • Installation of Load Dispatch Center and Associated Telecommunication System Project of NEA in association with SIEMENS AG, Germany.
  • Supply, delivery and installation for Re-routing of Sunkoshi – Bhaktapur 66 kV Transmission Line.
  • Supply, delivery and installation for Re-routing of 132 kV Transmission with six new towers of Bhote Koshi– Lamosangu 132 kV Transmission Line of Bhote Koshi Power Company.
  • Design, supply, construction, testing and commissioning of 25 km long Bhotekoshi – Lamosangu 132 kV Transmission Line.
  • Installation of Micro Link Antenna Towers and Electrical and Communication Equipment at Mt. Phulchowki and Operation Building of TIA for the modernization of Tribhuwan International Airport under TANAKA DENKI OF TOKYO,JAPAN.
  • Supply & installation of 25 nos Transformer substations for the Kathmandu valley drinking water project under Dongfang Electric Corporation China.
  • Supply and installation of 11 kV Transmission Line of Bhairahawa Lumbini Ground Water Project I.C.B–26 (IDA funded).
  • Installation of 11 kV underground cable and insulated overhead 11 kV line from NEA Maharajgunj substation to filtration plant of Nepal Water Supply Corporation at Bansbari in association with Hazama Corporation, Japan.
  • Supply and installation of 33 kV Transmission Line of Bhairahawa Lumbini Ground Water Project I.C.B.–29 (IDA funded).
  • Installation of 12 km of 11 kv insulated overhead and SAXKA Cable (ABC) for Drinking water facility Project under Nepal Electricity Authority.
  • Installations of complete Electrical and control system including installation of 11kV VCB with adaptor panel 1250KVA in door type Transformers, Power control center and Motor control center, Capacitor Bank and LVDBs of Colgate Palmolive Nepal at Hetauda Industrial District.
  • Dismantling, transportation and reassembling of 10 MVA, 132/33/11 kV Transformer located at Dhalkebar substation to transformer workshop of NEA at Hetauda. Dismantling, transportation of 12 MVA, 132/33 kV Transformer located at Lahan substation and reassembling, installation, testing and commissioning of the same at Dhalkebar substation of NEA.
Back to Top
error: Content is protected !!