Our outstanding performance is reflected in the completion of a large number of projects covering all aspects of engineering and construction works.

The following selection of recent projects reflects MRK's capabilities and the diversity of its work.


UPGRADE OF ELECTRICAL DISTRIBUTION SYSTEM AT FIVE (5) SOUTHERN AREA GAS OIL SEPARATION PLANTS (GOSP), SAUDI ARAMCO

LSPB project to upgrade existing electrical distribution systems at five (5) GOSPs at Shedgum & Uthmaniyah areas. The existing obsolete electrical equipments and the existing van contained substation shall be demolished and new substations shall be constructed at new locations as per Saudi Aramco standards.

The project consists of procurement, installation, testing, pre-commissioning and commissioning of the following:

  • Construction of precast substation buildings (5 Nos.)
  • Construction of structural & substation buildings foundations
  • Construction of generator shelter rooms.
  • Fabrication & erection of six hundred twenty one (621) tons of structural steel for cable tray racks.
  • Installation of:
    • Thirty Two (32) 115kV/34.5kV/13.8kV/4.16kV Power Transformers
    • Five (5) Pad Mounted Transformers
    • Twelve (12) SF6 Circuit Breakers
    • Twenty One (21) Capacitor Voltage Transformers
    • Thirty Two (22) Air Break Disconnect Switches
    • Twenty One (21) Surge Arrestors
    • Seven (7) Low Voltage Switchgears
    • Nine (9) Medium Voltage Switchgears
    • Fifteen (15) Low Voltage Controlgears
    • Ten (10) Medium Voltage Controlgears
    • One Hundred Nine (109) Station Post Insulators
    • Cable Bus & Fitting LV & MV 1,261 Mtr.
    • Tubular Bus & Fittings 115kV 1,551Mtr.
    • One (01) Set of 30kVA UPS System.
    • Five (5) Sets of DC Power System
    • One (01) 480V-500kVA Diesel Generator with Storage Tank
    • Eleven (11) No. of Lighting Contactors
    • Five (05) Nos. of Digital Ground Fault Recorders
    • Five (05) Lot of Power Monitoring System (PMS)
    • Five (05) Lot of SCADA/RTU System
    • Five (05) Lot of Substation Protection & Control Equipment
  • Construction of 7 Kms. 115kV Overhead Transmission Lines.
  • Installation of power and control cables 600 Kms. Approx.
  • Indoor & outdoor lighting system for all five (5) substation buildings.
  • Area lighting system.
  • Perimeter lighting system.
  • New grid grounding system.
  • Safety grounding system.
  • Instrumentation grounding system.
  • Telecommunication system.
  • Fiber optic cable network.
  • Gaitronics page party system.
  • OSP & ISP cabling.
  • Re-routing of existing 14 inch crude piping.
  • Re-routing of existing 16 inch & 6 inch water piping.
  • Fire hydrants & monitors.
  • HVAC system for all five (5) substations including all duct works & air intake stack system.
  • Re-route & extend existing perimeter fencing with type -1 SSD fencing.

Start Date: 08/07- ForeCasted Completion Date: 06/10

CONSTRUCTION OF 69/13.8KV SUBSTATION (DHAHRAN)

LSTK project for design, engineering, procurement, construction, pre-commissioning and commissioning of a new 69/13.8 KV substation.

The scope includes:

  • Power Transformers, 30/40MVA, 69/13.8KV;69kV SF6 Gas Insulated Switchgear (GIS);13.8kV, Indoor switchgear with Vacuum circuit breakers;
  • Other 13.8kv and low voltage electrical works consist of following;
    • Two (2) 500 KVA, (minimum), 13.8kv -380/220 volt ONAN station service transformer.
    • One (1) ring main unit (RMU), 25KA for 1 sec, SF6 insulated outdoor type with two (2) load break ring switches and one fuse switch or circuit breaker for the tee off circuit.
    • One (1) dry type transformer 3
    • 80-220/127volt AC. 380/220V and 220/127V AC distribution panel boards complete with breakers.
    • DC auxiliary power system with 500AH (minimum) on 8 hour basis, or 550AH (minimum) on 10 hour basis battery bank, 75A (Minimum) battery charger, DC distribution panel boards complete with breakers.
    • Complete indoor and outdoor lighting system.
    • Grounding system.
    • SF6 gas filling and related testing of gas.
    • Transformer oil filling and filtration.
    • Testing of 13.8kv XLPE power cables.
    • Modification works for existing control, protection and anunciator panels in source substation as per PTS-0945.
    • Communication equipments like SCADA RTU, DFR, SOE, and TFR & FOTE.
    • HVAC system and Fire Alarm system.
  • Control and Protection system for new substation-2 and Source substation consists of following;
    • Three (3) -  69/13.8kv Transformer Protection Panel
    • Three (3) -  69/13.8kv Transformer Protection Panel
    • Two (2) -  69kv Line Protection Panel
    • One (1) - ABTS Panel
    • Three (3) – Control Panel
    • Three (3) – Remote Tap Changer Control Panel
    • Two (2) – 69kv Line Protection Panel

Start Date: 11/04- Completion Date: 05/07

YANBU GAS PLANT, CRUDE OIL TERMINAL AND EAST/WEST PIPELINE CONTROL SYSTEM REPLACEMENT

LSPB project for the installation of major electrical and control system equipment, cable trays, conduits and wireways, cable, wire, conduit and fixtures, connections, terminations, testing and pre-commissioning of all electrical and control systems.

Yanbu Gas Plant

  • Install six new Honeywell GUS stations and tabletops in the new console arrangement in the central control room;
  • Install 13 HPMs in the satellite instrument houses
  • Install 10 TMRs in the satellite instrument houses;
  • Install 13 UPS systems and batteries in substations;
  • Install Burner Management System for boilers;
  • Upgrade 2 ABB Vista workstations for the analyzers;
  • Integrate MOA data highway # 5 to Honeywell TDC-3000;
  • Modification of boiler nozzles to suite sales gas services;
  • Replace the obsolete pneumatic controllers and instrumentation;
  • Power, instrument and fiber optic cabling works;
  • Conduits, junction boxes, pull boxes installation to lay the cables;
  • Installation of cable trays; structural supports, etc.;
  • Structural supports to UPS, DCS and marshalling cabinets;
  • Pre-commissioning assistance to the vendors provided by Saudi Aramco

Yanbu Crude Oil Terminal

  • Replace existing SCADA and metering systems at YCOT;
  • Replace existing remote I/O mux houses with local marshalling cabinets;
  • Install new PLC cabinets at pump control and receiving metering control buildings;
  • Power and instrument cabling works;
  • Conduits pull boxes installation to lay the cables;
  • Installation of cable trays; structural supports, etc.;
  • Pre-commissioning assistance to the vendors provided by Saudi Aramco.

East/West Pipeline

  • Install densitometer RTUs c/w shades;
  • Install 22 protocol converters at pump stations and PRS-1;
  • Replace two ultrasonic flow meters at KP-1010;
  • Power and instrument cabling works;
  • Conduits pull boxes installation to lay the cables;
  • Pre-commissioning assistance to the vendors provided by Saudi Aramco.

Start Date: 07/04- Completion Date: 03/06

RELAY BASED ESD AND AUXILIARY SYSTEM REPLACEMENT (JUAYMAH)

Lump sum project for the replacement of obsolete relay based ESD and auxiliary systems with new process automation systems.

The work is primarily based in the four control rooms, such as Central Control Room, Feed & Product Surge Control Room, Utilities Control Room & Sea Island Control Room.

The work includes: ESD systems, DCS systems, MMS systems, Compressor control systems, Governor controls, Bently Neveda systems, Trionex Tristation network, CCC Trainview network, field modifications, etc.

Start Date: 10/04- Completion Date: 11/05

YANBU PROCESS AREA ESD AND MARINE METERING CONTROL SYSTEM REPLACEMENT

Lump sum project for the replacement of obsolete ESD and auxiliary systems with new process automation systems.

The project consists of the following:

  • Installation of new ESD TMR system and DCS equipment in Process Control House (PCH) for V11-C1A/B and demolish the obsolete ESD and control relay panels;
  • Installation of new DCS cabinets, DCS consoles, TMR cabinets, RPMS system servers and computer cabinets in Process Control House (PCH) and Process Interface Building (PIB).
  • Installation of CCTV monitors and VESDA smoke detection systems in PCH;
  • Installation of UPS in the marine terminal building;
  • Installation of new PLC, flow computers, DCS panels and consoles to replace the marine metering control system and DCS in the marine building;
  • Installation of remote DCS I/O cabinets in Substations 1, 2, 3 & 4;
  • Installation of new fiber optic networks to link the marine DCS and the tank farm control room;
  • Installation of field instruments comprises of control valves, transmitters, petitioners, I/P Converters, etc.;
  • Replacement of obsolete pneumatic controllers and instrumentation;
  • Power, instrument and fiber optic cabling works.

Start Date: 07/04- Completion Date: 09/05

CONSTUCTION OF AL-ZAHRA 110KV SUBSTATION

LSTK project for design, engineering, procurement, construction, pre-commissioning and commissioning of a new 110/13.8KV Substation.

The project consists of:

  • 2 ea 110kV GIS bays;
  • 3 ea 40mVA, 110/15kV power transformers;
  • 13.8kV switchgear feeders;
  • 110kV and 13.8kV cables;
  • 120VDC system;
  • Protection panels 110kV and 13.8kV;
  • Control and Annunication panels;
  • AVR & Synchronizing panels;
  • SCADA cabinets, SOE recorder, fault recorder;
  • LVDB and auxiliary equipment;
  • FM-200, fire fighting sprinkler systems;
  • HVAC, building, basement, OH crane, etc.

Start Date: 06/03- Completion Date: 03/05

REINFORCEMENT OF MAKKAH AREA SUBSTATION

Design, engineering, procurement, construction, pre-commissioning and commissioning for the reinforcement of the following substations:

A.  Arafat 110/33/13.8KV Substation

  • Installation of two (2) 110KV outdoor transformer feeders consisting of live tank circuit breakers, CTs, Surge Arrestors, Structural Supports, Buses, O/H Conductors, etc.
  • Installation of 33KV Switchgear metal clad.
  • Addition of protection panel and modifications to incorporate the new control feeders in the system.
  • Installation of battery and battery chargers.
  • Construction of new switchgear & control bldg. including basement.

B.  Azizia 380/110/13.8KV GIS Substation

  • Addition of two (2) 110KV switchgear (GIS) feeders.
  • Addition of protection panels for the 110KV feeders.
  • Modification of control & mimic panels for 380KV & 110KV system

C.  Sour Mansour 110/13.8KV GIS Substation

  • Addition of two (2) 110KV switchgear feeders.
  • Addition of protection panels for the 110KV feeders.
  • Modification of control and mimic panels for 110KV system.

D.  Iskan Al Alam 110/13.8KV GIS Substation

  • Installation of one (1) switchgear (GIS) feeder.
  • Installation of one (1) 31.5/ 40MVA power transformer.
  • Installation of sixteen (16) 13.8KV switchgear feeders.
  • Protection panel & control and mimic modifications.

Start Date: 06/03- Completion Date: 03/05

CONSTRUCTION OF 110/13.8KV MUHAMMADIYAH SUBSTATION

Design, engineering, procurement, construction, pre-commissioning and commissioning for the reinforcement of the following substations:

A.  Arafat 110/33/13.8KV Substation

  • Installation of two (2) 110KV outdoor transformer feeders consisting of live tank circuit breakers, CTs, Surge Arrestors, Structural Supports, Buses, O/H Conductors, etc.
  • Installation of 33KV Switchgear metal clad.
  • Addition of protection panel and modifications to incorporate the new control feeders in the system.
  • Installation of battery and battery chargers.
  • Construction of new switchgear & control bldg. including basement.

B.  Azizia 380/110/13.8KV GIS Substation

  • Addition of two (2) 110KV switchgear (GIS) feeders.
  • Addition of protection panels for the 110KV feeders.
  • Modification of control & mimic panels for 380KV & 110KV system

C.  Sour Mansour 110/13.8KV GIS Substation

  • Addition of two (2) 110KV switchgear feeders.
  • Addition of protection panels for the 110KV feeders.
  • Modification of control and mimic panels for 110KV system.

D.  Iskan Al Alam 110/13.8KV GIS Substation

  • Installation of one (1) switchgear (GIS) feeder.
  • Installation of one (1) 31.5/ 40MVA power transformer.
  • Installation of sixteen (16) 13.8KV switchgear feeders.
  • Protection panel & control and mimic modifications.

Start Date: 06/03- Completion Date: 03/05

REINFORCEMENT OF 110/13.8KV HAJJ TERMINAL SUBSTATION

Design, engineering, procurement, construction, pre-commissioning and commissioning for changing of MV connection of 2 out of 4 existing transformers 40MVA to new MV Switchgear along with installation of new 20 outgoing 13.8KV feeders at New Airport Hajj Terminal Substation.

Start Date: 11/02- Completion Date: 01/04

UPGRADE AL-HASA ELECTRICAL DISTRIBUTION SYSTEMS

LSPB contract to upgrade three Substations in Al-Hasa area. The work involves:

  • Installation of one (1) 115 KV outdoor dead tank circuit breaker, 115KV disconnect switch and associated bus structures to replace the existing outdoor gantry.
  • Installation of three (3) 34.5KV outdoor dead tank circuit breakers, disconnect switches, surge arrestors and associated bus structures.
  • Installation of 34.5KV and 13.8KV indoor metal clad switchgear at different substations to replace the existing switchgear.
  • Installation of RTU and annunciation equipment.
  • Construction of battery building and installation of battery & charger.
All other electrical and civil works including installation of NGR, cabling, fire alarm, lighting, telephone, equipment foundations, etc.

Start Date: 09/02- Completion Date: 12/03

COMMUNICATION FACILITIES CONSTRUCTION & RESTORATION

Installation of Solar Systems, UPS Systems, Rectifiers and Batteries, Generators and Transformers, Communication Antenna Towers, Air Conditioning and Piping and all civil works such as excavation, backfilling, asphalt cutting, etc. required for the restoration of communication facilities of Saudi Aramco throughout Saudi Arabia.

Start Date: 03/01- Completion Date: 03/03

ELECTRICAL SYSTEM UPGRADE, NORTHERN AREA PRODUCING, PHASE I, TANAJIB AND SAFANIYA

LSTK Project involving design, Engineering, Procurement, Construction and Commissioning.

The work includes; replacement of 34.5 kV multi way oil filled switches and 34.5 kV power transformers at Tanajib marine facility with a 13.8 kV looped distribution system comprising of 34.5 kV/13.8 kV step down transformer, 34.5 kV outdoor circuit switcher, outdoor 13.8 kV pad mounted SF6 compact switchgears and loop feed 13.8 kV/ .48 kV pad mounted distribution transformers. In addition replacement of existing 13.8 kV oil filled switches at Safaniya substation # 8 with a new 13.8 kV pad mounted SF6 outdoor switch fuse unit and obsolete 4.16 kV switchgears of Tanajib central utilities plant substations with new 4.16 kV switchgear.

Start Date: 08/00- Completion Date: 05/02

CONSTRUCTION OF SUBSTATION “N” AT JEDDAH REFINERY

Demolition of the existing substation having 2 each 13.8KV, 2400KVA transformer, 2 each 480V double ended switchgears 3000A, bus ducts, etc.  Construction of a new substation of the same rating including new transformers, switchgears, busduct with enhanced short circuit rating.  The work also includes the installation of 15KV grade cables from the existing MC switchgear, termination, testing and commissioning of the Substation, etc.  Installation of ground grid around Substation, all utilities like HVAC, fire protection, lighting, etc.

Start Date: 03/99- Completion Date: 03/00

ELECTRICAL SYSTEM UPGRADE

Construction of new electrical system for Ras Tanura industrial area and demolish the old system.  The work included; construction and installation of. 13.8KV high voltage underground power distribution system, 13.8KV high voltage pad mounted oil filled power distribution transformers, 13.8KV high voltage pad mounted power distribution SF6 multiway switch station (LBS), 2.4KV medium voltage power distribution switchgears at Substation No. 3, 2.4 KV Medium Voltage bus duct at Substation 1, Neutral Grounding Resistor (NGR), low voltage underground power distribution system, new street lighting system, testing and commissioning of the above equipment and cables.

Start Date: 07/94- Completion Date: 08/95

CONSTRUCTION OF 34.5KV POWER DISTRIBUTION SYSTEM

Procurement and construction of 13.8KV and 34.5 KV underground distribution system at Jubail Al-Sinaiyah.

Start Date: 02/83- Completion Date: 10/87