Projects

Completed and ongoing project experience across Oman, 2019 to 2026.

  • 0Projects delivered
  • 0kV maximum voltage
  • 0km longest OHL route
  • 0Years of operation

Project experience

Selected Projects

A selection from 39 projects delivered between 2019 and 2026 for OETC, PDO, OQ, OLNG, Mazoon and Hafeet Rail.

400 kV transmission line running across open desert terrain

Overhead lines

400 kV OHL Duqm–Suwaihat & Duqm–Mahout — stringing, 160 km

Client: OETC Main contractor: KEC International Year: 2022

132 kV lattice tower on the Mudhai to Mazyunah overhead line route

Overhead lines

132 kV OHL Mudhai–Mazyunah — 103 km

Client: OETC Main contractor: ONEIC Year: 2025–2026

Mobile crane erecting a transmission tower for loop-in loop-out works

Substations

Al Sebekhi 400 kV Grid Station — LILO shutdown works

Client: OETC Main contractor: Larsen & Toubro (Oman) Year: 2025–2026

Bucket truck working on an overhead line beside a desert access road

Overhead lines

132 & 220 kV OHL diversions — Hafeet Rail, Sohar & Buraimi

Client: Hafeet Rail / OETC Main contractor: Galfar Engineering Year: Ongoing

AQT crew and cable trenching plant on a power cable laying route

Cables

Power cable laying with trench excavation & backfilling — 45 km

Client: PDO Main contractor: Zawawi Powertech Year: 2020

Technicians routing high-voltage power cables inside a cable basement

Cables

132 kV power cable replacement — shutdown works, Wadi Adai

Client: OETC Main contractor: Zawawi Powertech Year: 2021

Electrician working inside an open distribution and metering panel

Oil & Gas

110 V DC UPS & battery replacement — Fahud Power Station

Client: PDO Main contractor: GPS Year: 2022

Site workforce assembled at a completed construction camp

Civil

Camp construction works for 300 manpower — Rima

Client: OQ Main contractor: GPS Year: 2020–2021

Executed under live conditions

Challenging Works

Shutdown, restoration and live-line work on the transmission network, planned and executed to approved safety procedures.

AL QASAEM challenging works executed board: ERS tower installation, 400 kV shutdown works and live-line crossing with bucket trucks and scaffolding

OHL shutdown works with ERS tower installation

Execution of overhead line shutdown works, including the installation and erection of Emergency Restoration System (ERS) towers to provide temporary support during line maintenance, modification or restoration activities. The scope covers conductor handling, stringing, dismantling, reinstatement and safe restoration of the transmission line.

  • OHL shutdown and isolation
  • ERS tower installation and erection
  • Conductor handling, stringing and tensioning
  • Dismantling and reinstatement
  • Safe restoration of the transmission line

400 kV OHL shutdown works — circuit by circuit

Execution of 400 kV overhead line shutdown works on a circuit-by-circuit basis, ensuring safe isolation and controlled execution of maintenance, modification and line works. The scope covers shutdown coordination, conductor and jumper works, dismantling and reinstatement, testing and safe energisation of each circuit.

  • Shutdown coordination
  • Conductor and jumper works
  • Dismantling and reinstatement
  • Testing and inspection
  • Safe energisation of each circuit

400 kV OHL conductor stringing across live lines

Execution of 400 kV overhead line conductor stringing works across existing live transmission lines, including controlled crossing arrangements, installation of safety measures, conductor pulling and tensioning, sagging and final line restoration in accordance with approved safety procedures.

  • Crossing arrangement and safety measures
  • Conductor pulling and tensioning
  • Sagging and stringing
  • Final line restoration

The full record

Project Register

Every completed and ongoing project on record, as listed in our project portfolio. Showing 39 projects.

Completed and ongoing project experience, 2019–2026. Scroll sideways on a narrow screen.
# Scope of work Location Main contractor Client Year / status
1 Plot development work, excavation, backfilling and grading works OLNG, Sur Zawawi Powertech Engineering OLNG 2019
2 Construction of graded access road from jetty area to power plant OLNG, Sur Zawawi Powertech Engineering OLNG 2020
3 Plot development and civil maintenance work HAS School, Sur OLNG, Sur HAS 2020
4 Construction of precast sleeper foundation Sur Zawawi Powertech Engineering OLNG 2021
5 Power cable laying including trench excavation & backfilling works — 45 km Wadi Musallam Zawawi Powertech Engineering PDO 2020
6 Temporary 33 kV OHL construction for camp power supply — 4 km, pole shifting, assembly & erection, conductor stringing Hanya Zawawi Powertech Engineering PDO 2020
7 Camp construction works for 250 manpower Greater Dhaliya Zawawi Powertech Engineering PDO 2021
8 Temporary 33 kV OHL construction for camp power supply — 5.7 km, pole shifting, assembly, erection & conductor stringing Greater Dhaliya Zawawi Powertech Engineering PDO 2021
9 33 kV power cable laying works — 7.5 km Ras Al Hadd Ghantoot Transport Mazoon 2021
10 132 kV OHTL loop-in loop-out — shutdown works Yanqul Al Wataniya OETC 2021
11 132 kV power cable replacement works — shutdown works Wadi Adai Zawawi Powertech Engineering OETC 2021
12 Camp construction works for 300 manpower Rima GPS OQ 2020–2021
13 Removal and installation of metering panel, cable trench excavation, cable laying, glanding, termination & trench backfilling Rima Oman Services & Supply Organization PDO 2021
14 Replacement of 1C × 2000 mm² power cable & outdoor CSE at Muladah grid station Muladah Zawawi Powertech Engineering OETC 2021
15 Construction of 400 kV OHTL tower assembly and erection for loop-in loop-out at Nahadah 400/132 kV grid station — shutdown works Al Nahadah Larsen & Toubro (Oman) OETC 2021–2022
16 Installation of 800 kVA transformer & 1250 A feeder pillar, HV & LV cable laying and termination for rig camp power supply Fahud Zawawi Powertech Engineering PDO 2022
17 Construction of 400 kV OHL Suwayhat GS – Duqm GS and Duqm GS – Mahout GS — stringing works, 160 km Duqm – Suwayhat KEC International OETC 2022
18 110 V DC UPS with battery replacement work at Fahud power station Fahud power station GPS PDO 2022
19 Contractor camp feeder pillar replacement with new feeder pillars — 10 nos. Bahja Carillion Alawi PDO 2022
20 Undergrounding a section of the existing 132 kV Rusail – Al Khoud OHL at Wadi Jifnain dam — dismantling and shutdown works Al Khoud Satarbag / ONEIC OETC 2022
21 MCCB replacement work for Qarn Alam PDO telecom Qarn Alam OSSO PDO 2022
22 Damaged street light pole, lights and panel replacement work Fahud Carillion Alawi PDO 2022
23 Construction of 400 kV OHL Ibri – Rustaq — 95 km Ibri – Rustaq KEC International OETC 2023
24 MEP works for Saih Rawl camp & office extensions Saih Rawl Carillion Alawi PDO 2023
25 Fibre optic cable laying in 33 kV OHL Marmul STS / ORB PDO 2024
26 Installation, testing and commissioning of diesel generator at Kauther camp Kauther Carillion Alawi PDO 2024
27 220 kV conductor repair / replacement — emergency job, Dank – Buraimi 220 kV OHL Dank Larsen & Toubro (Oman) OETC 2024
28 132 kV OH jumper replacement work at Ibra – Mudhaibi line Ibra Saher United OETC 2024
29 220 kV jumper replacement work — emergency job Ibri Larsen & Toubro (Oman) OETC 2024
30 132 kV OHL works Barik – Bisat — foundation, erection & stringing works, 35 km Bisat Galfar Engineering & Contracting OQ July 2025
31 Construction of Al Sebekhi 400 kV grid station and associated works — 400 kV OHL loop-in loop-out shutdown works Ibri Larsen & Toubro (Oman) OETC 2025–2026
32 Construction of 400/132 kV Duqm Industrial grid station with LILO from Suwayhat – Duqm 400 kV OHL — 40 km Duqm Larsen & Toubro (Oman) OETC Completed
33 Construction of 132/33 kV Al Mazyunah grid station with associated 132 kV OHL from Mudhai GS to Mazyunah GS — 103 km Mudhai – Mazyunah Oman National Engineering & Investment Co. OETC 2025–2026
34 Construction of 132/33 kV Thumrait grid station with associated 132 kV OHL from Thumrait GS to Mudhai GS — 20 km Thumrait – Mudhai Oman National Engineering & Investment Co. OETC 2026
35 Construction of 132 kV OHL from Mahout to cable compound near Masirah — 60 km Mahout – Masirah KEC International OETC Ongoing
36 132 kV OHL from Yanqul grid station to Mazoon Mining GS — 23 km Yanqul Oman National Engineering & Investment Co. OETC Ongoing
37 Existing 132 kV OHL diversion for the Hafeet Rail project Sohar Galfar Engineering & Contracting Hafeet Rail / OETC Ongoing
38 Existing 132 & 220 kV OHL diversion for the Hafeet Rail project Buraimi SFO Hafeet Rail / OETC Ongoing
39 Construction of 400 kV OHL Shaleem – Dhofar — 50 km Shaleem Larsen & Toubro (Oman) OETC Ongoing

Resources on hand

Tools & Equipment

The overhead line tools, equipment and vehicles we hold for stringing, shutdown and live-line work: 117 tool and equipment lines and 9 vehicle types.

OHL tools, equipment & resources. Scroll within the table to see the full list.
# Tool / equipment Make Capacity Qty
1Tensioner MachineTesmec75kN2 Nos
2Puller MachineTesmec160kN2 Nos
3Tensioner MachineTesmec140kN1 No
4Winch Machine4T3 Nos
55 Sheave Aerial Rollers160 Nos
6Single Sheave OPGW Aerial Roller120 Nos
722 mm Pilot Wire Drums900 m32 Nos
812 mm OPGW Pilot Wire Drums1200 m18 Nos
9Conductor Head Board4-way2 Nos
10OPGW Head Board1-way2 Nos
11Sag ScopeNikko Stirling3-9x403 Nos
12Conductor Drum Lifting Jack Set10T8 Sets
13Crimping Tool Hydraulic Power UnitTesmec6 Nos
14Crimping Tool Hydraulic Presser Unit with DieTesmec39.26 Nos
15YEW Conductor Clamps AutomaticTesmec120 Nos
16OPGW Clamps AutomaticTesmec40 Nos
1724 m Sag Bridge5 Sets
1812 m Sag Bridge2 Sets
19OPGW Trolley2 Nos
20Spacer Trolley Suitable for Twin & Quad Conductor13 Nos
21Suspension Ladder6 m16 Nos
22Suspension Ladder3 m6 Nos
23OPGW Sag Bridge4 Nos
24Joint Protector40 Nos
25Running Earth Lead6 Sets
26Micro Ohm Meter1 A & 10 A2 Nos
27Vernier4 Nos
28Turn Buckle60 Nos
29LEED Clamps AutomaticTesmec8 Nos
30Kitto Clamps Normal15 Nos
31OPGW Roller30 Nos
3233 kV Roller180 Nos
33132 kV Roller80 Nos
34400 kV Roller40 Nos
35D Shackles3.25T140 Nos
36D Shackles4.25T200 Nos
37D Shackles4.75T30 Nos
38D Shackles6.5T26 Nos
39D Shackles8.5T60 Nos
40Bow Shackles3.25T40 Nos
41Bow Shackles4.75T1135 Nos
42Bow Shackles6.5T15 Nos
43Bow Shackles8.5T45 Nos
44Bow Shackles9.5T13 Nos
45Chain Pulley1.5T10 Nos
46Chain Pulley3T25 Nos
47Chain Pulley6T25 Nos
48Lifting Open Pulleys2T29 Nos
49Lifting Open Pulleys4T46 Nos
50Toyo Open Pulleys2T4 Nos
51Two Pay Pulleys30kN6 Nos
52Open Pulleys2T21 Nos
53Open Pulleys3.2T25 Nos
54Close Pulleys2T20 Nos
55Open Pulleys18kN9 Nos
56Close Pulleys30kN60 Nos
57Close Pulleys18kN6 Nos
58OPGW Conductor Socks Single End12 Nos
59YEW Conductor Socks Double End22 Nos
60220 kV Conductor Socks Double End10 Nos
61U Conductor Socks Double End7 Nos
62Steel Rope 70 m12mm5 Nos
63Steel Rope 80 m12mm3 Nos
64Steel Rope 90 m12mm4 Nos
65Steel Rope 100 m16mm5 Nos
66Steel Rope 120 m12mm13 Nos
67Steel Rope 120 m18mm40 Nos
68Steel Rope 1 m18mm220 Nos
69Steel Rope 1 m16mm5 Nos
70Steel Rope 1 m20mm73 Nos
71Steel Rope 2 m10mm30 Nos
72Steel Rope 2 m14mm20 Nos
73Steel Rope 2 m18mm220 Nos
74Steel Rope 2 m20mm28 Nos
75Steel Rope 3 m16mm120 Nos
76Steel Rope 3 m20mm13 Nos
77Steel Rope 4 m14mm12 Nos
78Steel Rope 6 m18mm12 Nos
79Turn Buckles10T20 Nos
80Turn Buckles5T30 Nos
81Turn Buckles3T15 Nos
82Bulldog Clamps24mm180 Nos
83Bulldog Clamps18mm200 Nos
84Full Body Harness150 Nos
85Position Belt150 Nos
86Fall Arrester Clamp150 Nos
87Retractable Fall Arrester Small20 Nos
88Retractable Fall Arrester Big40 Nos
89Life Line Rope25 Nos
90Rescue Kit10 Nos
91First Aid Kit20 Nos
92Mega Phone20 Nos
93Binocular20 Nos
94PP Rope 12 mm30 Bundles
95PP Rope 14 mm30 Bundles
96PP Rope 16 mm30 Bundles
97PP Rope 18 mm30 Bundles
98PP Rope 20 mm30 Bundles
99Tommy24mm150 Nos
100Tommy30mm80 Nos
101Rings & Open24mm140 Nos
102Rings & Open30mm130 Nos
103Lifting Belt2 m80 Nos
104Lifting Belt3 m35 Nos
105Lifting Belt4 m40 Nos
106Lifting Belt5 m10 Nos
107Lifting Belt6 m25 Nos
108Lifting Belt8 m30 Nos
109Discharge Cable75 sq mm10 Nos
110Discharge Cable90 sq mm12 Nos
111Fire ExtinguisherDry Powder9kg10 Nos
112Fire ExtinguisherDry Powder6kg10 Nos
113Fire ExtinguisherCO26kg10 Nos
114Fire ExtinguisherFoam9L15 Nos
115Magnetic Drilling Machine1 No
116Drilling Machine2 Nos
117Addition Earth Kit Single Lead1Cx95 sq mm15 Nos

Vehicles & mobile support equipment

# Vehicle Qty
1Pick-up12 Nos
2SUV Vehicle3 Nos
3Saloon Car2 Nos
4Trailer1 No
5Shovel2 Nos
6Bus2 Nos
7Crane 80 Ton1 No
8Crane 110 Ton1 No
9HIAB2 Nos

Building a Stronger Tomorrow

Supporting Oman's national development priorities by increasing local capabilities, developing Omani skills and contributing to the successful delivery of the country's critical infrastructure and energy projects.

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