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No. Project Name Contractor Study NameCompleted
Date
237 Dubai Upgrade Project Tebodin Middle East Ltd Short circuit & LV Protection setting calculation Tebodin May-12
Graded Protection Setting Calculation for the Temporary MV
NetworkMay-12
Temporary power - Schematic drawing for 11kV Distribution
systemApr-12
Load Flow, Voltage Drop & Short Circuit Calculation for the
Temporary MV NetworkMay-12
Temporary Power Supply Package S/S PSS-1 to PSS-7 MV
panel 1 & 2 - Earth Electrode Design CalculationApr-12
235 400/132kV Fujairah City Grid StationABB Transmission &
Distribution LTD. Earth Grid Impedance Measurement - Preliminary Report Mott Macdonald Apr-12
Short Circuit and Protection Setting Calculation Mar-12
Load & Power factor measurements at Sewage treatment
plant-1 LV boardApr-12
Load Flow, Voltage Drop and Motor Starting Analysis Apr-12
233
Contract no. JXB1/MISC/501/139 - Fire
Simulator Dubai World Central (Phase-1)
Miscellaneous / Small Works (2009)
Kidde Fire Trainers Short Circuit and Graded Protection Setting Calculation Dar Al Handasah Apr-12
Graded Protection Setting Calculation Mar-12
Short Circuit Calculation Mar-12
Measurement of Contact Resistance Test Apr-12
Earthing Design Calculation Feb-12
230POW Z - 000589 Frame 5, 9B and GT14 Boiler
Blow Down Recovery
Danway Electrical & Mechanical
LLC
Harmonic & Power factor Measurements (Before connecting
centrifugal pump)Apr-12
229 Barka 3 Independent Power Plant GS Engineering & ConstructionEarth Grid Impedance and Step & Touch Potential
Measurement Report Tractebel Feb-12
Concourse-4 at Dubai International Airport
Contract no. SP500-01E Package 1 - Enabling
works
236 Alec LLC
DOW Chemical
Dubai Aviation Dar Al Handasah
231 Gulf Petrochem Project at Fujairah SubstationKhansaheb Civil Engineering
LLCGulf Petrochem
TRANSCO
Dubal
Dubal
Parsons
International
Limited
DCA
SAOC
Mott MacDonald
232Saadiyat Island - Sewage Water Treatment Plant
(STP-2)Kharafi National Co. (LLC) ADSSC
Client / Consultant
EXPERIENCE LIST As on May 2012
-Sewage Treatment Plant Up Gradation Area
(2000)234 Metito Overseas Ltd
TWINVEY Electric Consultancy
419A, Al Shaali Building Damascus Road, Al Qusais P.O.Box- 251879, Dubai United Arab Emirates
Electrical Engineering Design Services Tel.: +971 4 2585660 (Software Aided Study and Protection Fax.: +971 4 2585606
Setting Calculation), Field tests (Earthing [email protected] and Harmonic Measurements), Factory [email protected]
Inspection Services & Mechanical www.twinvey.com Engineering Services
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Step & Touch Potential Measurement Site Test Report Mar-12
Earth Grid Impedance Measurement Site Test Report Dec-11
Backup over current protection & Backup earth fault
protection - Relay setting calculationJan-12
132/33kV, 90MVA IBT-3 HV Restricted earth fault protection
setting calculationDec-11
132/33kV, 90MVA IBT-3 LV Restricted earth fault protection
setting calculationDec-11
132/33kV, 90MVA IBT-3 Transformer Differential protection
setting calculationDec-11
33kV Interconnector feeder 1 & 2 Pilot wire current differential
protection setting calculationJan-12
132/33kV, Transformer Overflux relay setting calculation Dec-11
132/33kV, NPS Extension - Check Synchronising protection
setting calculationDec-11
132/33kV, NPS Extension - Automatic voltage regular relay
settingsDec-11
33kV Busbar Protection Setting Calculation Dec-11
132kV Circuit Breaker Failure Protection Setting Calculation Jan-12
Under Voltage & Over Voltage Relay Setting Calculation Jan-12
132/33kV NPS Extension 0.415kV LVAC Protection Setting
CalculationJan-12
132/33kV NPS Extension - LVAC MCCB Protection Setting
CalculationJan-12
132/33kV NPS Extension - LVAC Earth Leakage Relay
Setting CalculationJan-12
33/0.4kV, 630kVA, Auxiliary transformer-1&2 0.4kV Restricted
earth fault protection setting calcualtionDec-11
Lightning Protection System Calculation Nov-11
Lightning Protection System Layout Nov-11
Prior Recordings & Site test results (Location -1) Apr-12
Prior Recordings & Site test results (Location -2) Apr-12
Prior Recordings & Site test results (Location -3) Apr-12
Mott MacDonald
and Lahmeyer
International
Mott MacDonald
and Lahmeyer
International
AADCEnergo Consult
LLC
Ajman Mosque, Project No. 1043, Plot No. 273,
Basin3, Musheirif, Ajman.
United Seven Electro
Mechanical
227
FEWA Contract No. E3/09(1) -132/11kV &
132/33/11kV Substation Works in Northern
Emirates - 132/33kV Nakheel Power Station
Extension
Siemens LLC FEWA
Sohar 2 Independent Power Plant228 GS Engineering & Construction SAOC Tractebel
227
FEWA Contract No. E3/09(1) -132/11kV &
132/33/11kV Substation Works in Northern
Emirates - 132/33kV Nakheel Power Station
Extension
Siemens LLC FEWA
Contract no. A-10713 Trail Earthing in AADC
Network225 ACECO
226
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Grounding system measurement for Day 1 (5 Sites) Dec-11
Grounding system Measurement for Day 3 (5 Sites) Dec-11
Grounding system Measurement for Day 5 (5 Sites) Dec-11
Grounding system Measurement for Day 7 (5 Sites) Dec-11
Grounding system measurement for Day 14 (5 Sites) Dec-11
Grounding system measurement for Day 21 (5 Sites) Dec-11
Grounding system measurement for Day 28 (5 Sites) Dec-11
Grounding system measurement for Day 120 (5 Sites) Mar-12
223 Dubai Upgrade Project Tebodin Middle East Ltd Short Circuit & Protection Setting Calculation Tebodin Mar-12
Earthing Design Calculation Oct-11
Lightning Protection Desiogn Calculation Nov-11
33/11kV DS3 SS - Lightning Protection System Layout Nov-11
Lighting Protection System Design Oct-11
Earthing design calculation - 33/11kV Package Unit 5 Oct-11
Earthing design calculation - 33/11kV Package Unit 2 Oct-11
Earthing design calculation - 33/11kV Package Unit 4 Oct-11
Earthing design calculation - 33/11kV Package Unit 3 Oct-11
Earthing design calculation - 33/11kV Package Unit 1 May-12
Earthing design calculation for 5 substation Oct-11
Load Flow, Voltage Drop, Motor Starting, Short circuit
CalculationOct-11
District Cooling Plant - Graded Protection Setting Calculation Nov-11
Harmonic Analysis Oct-11
11kV Motor Unit Protection Calculation Nov-11
Soil Resistivity Measurement Site Test Report Oct-11
MV Graded Protection Setting Calculation Oct-11
Energo Consult
LLC
International
Capital Trading
Crown
Engineering
Consultants
Al Habtoor
Leighton Group
Energo Consult
LLC
ADPC222
221
Reinforcement, Augmentation & Rehabilitation of
33/11kV Distribution System Sila, Ghuweifat &
Nadha Al Shiba Areas in Western Region
Site Technology
Khalifa Port & Industrial Zone Central & South
33/11kV DS3 Substation
Al Nasr Contracting Company
LLC
ADDC
220Nation Tower District Cooling Plant Plot : P-11,
Sector : W-14Gulf District Cooling LLC
224
Contract No. A-10713
Trail Earthing AADC Network
1. Al Wagan
2. Al Mazyad
3. Al Zaala
4. Al Khazna
5. Al Hayer
ACECO, Abu Dhabi. AADC
DOW Chemical
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Step & Touch Potential Measurement Site Test Report -
Sawan SSOct-11
Earth Grid Impedance Measurement site test report -
132/11kV Sawan SubstationSep-11
Step & Touch Potential Measurement Site Test Report -
132/11kV Corniche SSJan-12
Earth Grid Impedance Measurement site test report -
132/11kV Corniche SSJan-12
Step & Touch Potential Measurement Site Test Report -
132/11kV Sheria SSJan-12
Earth Grid Impedance Measurement site test report -
132/11kV Sheria SSJan-12
Step & Touch Potential Measurement Site Test Report -
132/33/11kV Nakheel Old Town SubstationDec-11
Earth Grid Impedance Measurement site test report -
132/33/11kV Nakheel Old Town SubstationDec-11
218ADISC Residential, Leisure & Commercial
Compound
Danway Electrical & Mechanical
Engineering LLCProtection Setting Calculation (11/0.4kV, 50kVA Transformer)
ECG Engineering
GroupJul-11
Load Flow, Voltage Drop, Motor Starting & Short circuit
CalculationOct-11
11kV, 1133HP Chiller Motor Protection Setting Calculation Mar-12
MV Graded Protection Setting Calculation Aug-11
216 Gulf Desalination Plat Form Veolia Water Systems (FZC) LV Short Circuit & Protection Setting Calculation Jul-11
Step & Touch Potential Measurement Site Test Report -
Naimiya SSAug-11
Earth Grid Impedance Measurement site test report -
132/11kV Naimiya SubstationJul-11
Earthing Design Calculation Feb-12
Soil Resistivity Measurement Site Test Report Jun-11
Lahmeyer
International219
FEWA Contract No. E3/09(2), 132/11kV &
132/33/11kV Substation works in Northern
emirates
ABB AG FEWA
Lahmeyer
International214
Contract no. N-4611/A & N-7913 - 400/132kV
Grid Station at Al Bahia (Lot 1A)Toshiba Corporation TRANSCO
KEO International
215
FEWA Contract No. E3/09(2), 132/11kV &
132/33/11kV Substation works in Northern
emirates
ABB AG FEWALahmeyer
International
217 Dubai Mixed Use Development Dubai Gulf District Cooling LLC
H.H Saeed Bin
Zayed Al
Nahayyan
-
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
MV Short Circuit Calculation (Loop N1-N2 and N3-N4) Feb-12
MV Short Circuit Calculation (Loop C3-C4, C5-C6 and E1-
E20)Sep-11
MV Short Circuit Calculation for Critical Loop (Loop C1-C2,
C3-C4 and C5-C6)Feb-12
MV Short Circuit Calculation for Equipment Loop (Loop E1-
E2, E5-E6 and E15-E16)Feb-12
MV Short Circuit Calculation for Equipment Loop (Loop E3-
E4, E11-E12 and E13-E14)Feb-12
MV Short Circuit Calculation for Life Safety, Medical
Equipment & Cup Loop (Loop L1-L2, EQ1-EQ2, E7-E8 and
E9-E10)
Feb-12
MV Graded Protection Setting Calculation (Loop C3-C4, C5-
C6 and E1-E2)Sep-11
Unit Protection Setting Calculation (16MVA, 22/11kV
transformer)Jan-12
2.5MVA , 11kV Diesel Generator Protection Setting
CalculationFeb-12
MV Graded Protection Setting Calculation (Loop N1-N2 and
N3-N4)Feb-12
Load Flow, Voltage Drop & Harmonic Analysis May-11
0.4kV LV Protection Setting Calculation Feb-12
Short Circuit Calculation Feb-12
Graded Protection Setting Calculation Feb-12
11kV Busbar Protection Setting Calculation Feb-12
Unit Protection Setting Calculation Feb-12
Third Party Inspection Report for MV installations, Testing and
CommissioningMar-12
Load Flow & Voltage Dip Calculation Jul-11
District Cooling Plant - 1 & 2 - Load Flow, Voltage Drop, Motor
Starting & Short circuit Calculation Jun-11
District Cooling Plant - 1 & 2 - Unit Protection Setting
Caclulation for 11kV Transformers & 3.3kV Chiller MotorJun-11
District Cooling Plant - 1 & 2 - Graded Protection Setting
CalculationJun-11
210
Contract No. D-9709/B Installation of Under
Ground Cables, Electrical Distribution
Equipments, O. H. L & Allied works in Abu Dhabi
Western Region
Heliopolis Electric Co. Earthing Design Calculation - Apr-11
AECOM
Johnson Control
ADDC
Mott MacDonald
211 Maliah Camps, District Cooling Plant - 1 & 2 Johnson Controls
212Gulf Refining Company Development Berth
Topside Facilities, Pipelines and Storage Tanks
Danway Electrical & Mechanical
LLC
Gulf Refining
Company
213 Cleveland Clinic, Abu Dhabi Verger et DelporteMubadala
Healthcare
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
209 Down Town Jebel Ali Zone DJA - CM Buildings Limitless
Engineering Review of 3.45kV Ungrounded system and
Recommendations & Short Circuit and Protection Setting
Calculation
Apr-11
66/11kV Khuraitiyat South Substation Earthing Design
CalculationMay-11
400kV Al Wajbah Super Upgrade - Earthing Design
CalculationJul-11
220kV Doha Central Upgrade - Earthing Design Calculation Aug-11
66/11kV New Hitmi Substatiob Earthing Design Calculation Jun-11
66/11kV Rayyan Village Substation Earthing Design
CalculationMay-12
207 Al Khaleej Sugar, 0.69kV Substation Al Khaleej Sugars Harmonic and Power Measurement Mar-11
206Additional 11kV, 3MW Power for 3 Storage Silos
at Al Khaleej Sugar, Jebel AliAl Khaleej Sugars HV Design Approval - Substation Location and Size approval Mar-12
205Direct 11kV Supply to New High Rise Silos at Al
Khaleej Sugar on Plot No. B005F01Al Khaleej Sugars Load Flow, Voltage Drop & Harmonic Analysis Apr-11
Buried Earth Grid Layout May-11
Lightning Protection System Jun-11
Earthing Systems Installation Details May-11
Earthing Design Calculation for 33kV Substation May-11
Intertrip Scheme for the SS739/T2 & SS740/T2 Mar-11
Intertrip Scheme for the SS739 / T1, T2 & T3 Aug-11
SS739/T2 LV Protection Setting Calculation Apr-11
Short Circuit and Protection Setting Calculation Mar-11
202Union Cement Company, 1 x 16.8MW WHR
Power Plant, Ras Al KhaimahEICS International LLC Earthing Bill of Quantity Mar-11
201Jebel Ali Power & Desalination Station 'L' -
Phase II
Hyundai Engineering &
Construction Co. LLC
Earth Grid Impedance and Step & Touch Potential
Measurement Report - Signed Copy
Lahmeyer
InternationalApr-11
200Dubal RT Cooling System - Potline 5A & 5B
Substation 585B
Advance Maintenance
Technology Consultant LLC.
Load Flow, Voltage Drop, Short Circuit & Protection Setting
Calclution for the 250kW Motor FeederMar-11
199 Reconfiguration of Transformer T1Danway Electrical & Mechanical
Engineering LLC
T1 Transformer - Protection Review & CT Validation for
420/2733 & 420/2734Mar-11
132/11kV SS - E15 Short Circuit & Protection Setting
CalculationAug-11
132/11kV SS -W13 Short Circuit & Protection Setting
CalculationAug-11
Salt and Chlorine - 132/11kV SS Short Circuit & Protection
Setting CalculationSep-11
Power System Study - Data Collection Report Jan-11
GTC/318B-1/2009 - Establishment of 66/11kV
Rayyan Village Substation and Upgrade of
Existing Substations
Limitless
KAHRAMAA
Qatar general
electricity and
water corporation
Dubal
-
EnergoprojektABB AG - Mannheim
203 BK Gulf LLC
208
204
Temporary Power Supply Arrangements for the
SS739/T2 and SS740/T2
DEWA Contract No. CE/0589/2009 Expansion of
DEWA 33kV Substation at Jebel Ali 'E' StationGECO Sharjah
DUBAL
DUBAL
DEWA
198 Lindenberg Emirates LLC
Contract No. D-6990 Rehabiltation and
Replacement of 11kV Switchgear in W13, E15 &
Salt and Chlorine Substations
ADWEA
DEWA
PB Power
SNC-LAVALIN
International
DEWA
DEWA
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
197
FEWA Tender no. 1W09, 2 x 10MIG RCC Water
tank and Pumping Station at Central Plant, Al
Zawra Ajman
Cimac Earthing Design Calculation - Feb-11
Power Quality Measurement Record - E48C, E48I & E48D01
SSDec-10
Power Quality Measurement Record - E48J01, E48J & E48B
SubstationsFeb-11
Power Quality Measurement Report - E48C, E48I, E48D01,
E48J01, E48J & E48BApr-11
Single Line Diagrams - Final Issue (71 Drawings) May-11
Electrical Cable Route Layout - Final Issue May-11
LV MDB Single Line Diagrams Jan-11
E48C - Substation 11/0.4kV Cable routing Layout Mar-11
E48C - Substation 11/0.4kV Manhole Section Details Mar-11
Data Collection Report - Electrical Survey May-11
Mechanical - Drawings for Fire Fighting , Water Supply Pump
& CHWApr-11
Electrical Utilities Survey Dec-10
195New 132/11kV Substation at ADNEC Contract
No. N-6166.1Electro Mechanical Co LLC Lightning Protection System Design
Lahmeyer
InternationalJan-11
194Substation 769 LV Cable Tray External Route
layout & support structure details
Danway Electrical & Mechanical
Engineering LLCFinite Element Analysis for LV cable tray of SS769 Jun-11
T10 Transformer Protection Setting Review Mar-11
T10 Protection Setting Calculation - Review of 132/33kV T10
SchematicsJan-11
T5 Protection Setting Calculation Dec-10
MP-37 Reconfiguration of T5 transformer at 33kV C1 bus
Recommendation for direct T5 connection without reactorJan-11
7MIGD RO Plant for 11/0.4kV Substation Earthing Design
CalculationNov-10
Lightning protection calculation 3MIGD RO Plant Nov-10
Lightning protection calculation 7MIGD RO Plant Nov-10
3MIGD RO Plant for 11/0.4kV Substation Earthing Design
CalculationNov-10
Energy Measurement on Aeration motors at MCC 4.1 -
WathbaDec-10
Energy Measurement on Aeration motors at MCC 4.1 -
WathbaFeb-11
196AD09109-0401M Suveying and Detecting of
Utilities at Al Bateen AirportFujian Survey & Geo Research,
193 T10 - 132/33kV Protection
Danway Electrical & Mechanical
Engineering LLC
Ravco191
192 MP37- HV Reconfiguration T5 at 33kV C1 Bus
Danway Electrical & Mechanical
Engineering LLC
No. 2022 - ISPTP1 Sewage Treatment Boot
Project190
FEWA
DUBAL
Dubal
Dubal
DUBAL
Dubal
Al Zawra Central Power Plant - 1M08(A) RO
Desalination Plant
Kharafi National Co. (LLC) ADWEA
FEWADirectorate of
Supply Sector
DARADAC
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
SS739 - Load Flow, Voltage Drop Calculation May-11
SS739 - Short Circuit Calculation May-11
SS739 - Graded Protection Setting Calculation May-12
SS739 - LVREF Protection Setting Calculation May-11
SS739/T1 Power SCADA - Distribution system interface and
HV-LV intertripJan-12
Designing of interposing relay scheme for SCADA and
intertrip for SS739Jul-11
Substation 739 - Load Flow and Voltage Drop and Short
Circuit CalculationNov-10
132/11kV GGM Substation Earthing Design Calculation Nov-11
66/11kV Ezdan 5 Substations Earthing Design Calculation May-11
Dubai International Airport CUC-4 Power system study - Short
circuit calculation (Preliminary Airport)Nov-10
CUC 4- MV Graded Protection Setting Calculation (Chiller
motor and Auxiliary transformer)Apr-11
CUC 4- MV Graded Protection Setting Calculation -11kV Loop
1 & 2.Apr-11
CUC 4- MV Graded Protection Setting Calculation -11kV Loop
5, 6, 8 & 9.Apr-11
CUC 4- MV Graded Protection Setting Calculation -11kV Loop
3, 10 & 11.Apr-11
Dubai International Airport CUC-4 Power system study - Data
collection reportJan-11
Central Utility Complex - 4, 1275kVA, 11kV Generator
Protection Setting CalculationJan-11
Central Utility Complex - 4, MV Short Circuit Calculation 11kV
Auxiliary Transformer and Chiller MotorNov-10
Central Utility Complex - 4, MV Graded Protection Setting
CalculationNov-10
Central Utility Complex - 4, 11kV Busbar Protection Setting
CalculationDec-10
Central Utility Complex - 4, 11kV Chiller Motor Protection
Setting CalculationDec-10
Central Utility Complex - 4, LV REF & OV/UV Protection
Setting CalculationDec-10
LV REF Protection Setting Calculation - CUC4 Apr-11
Central Utility Complex - 4, MV Short Circuit Calculation -
Loop 1 & 2.Dec-10
Central Utility Complex - 4, MV Short Circuit Calculation -
Loop 5, 6, 8 & 9.Dec-10
Central Utility Complex - 4, MV Short Circuit Calculation -
Loop 3, 10 & 11.Dec-10
Dubai International Airport CUC -4 - Input Data Request Oct-10
187
Contract No. DA #017 Dubai International Airport
Expansion Project (Phase 2) Central Utility
Complexes
Dubai Airports187
Contract No. DA #017 Dubai International Airport
Expansion Project (Phase 2) Central Utility
Complexes
Dubai Airports
Dubal
Qatar general
electricity and
water corporation
Dubai Airports Dubai Airports
3 x 3.2MVA, 11/0.4kV Substation 739 in cast
house 1BK Gulf LLC
188Estabilishment of 132/11kV Gharafa Gulf Mall
and 66/11kV Ezdan 5 substationsABB AG
189
Energoprojekt
DCA
DCA
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Earthing System Study Apr-11
Lightning Protection System Layout, Calculation & Installation
DetailsMay-11
Soil Resistivity Measurement Site Test Report Feb-11
Earthing Design Calculation May-11
SS5160 3.3kV Switchgear Extension Protection Setting
CalculationMay-11
Load Flow, Voltage Drop, Motor Starting Analysis & Short
Circuit CalculationSep-10
RMU Drawing Approval May-11
Approval of asbuilt drawing of RMU May-11
Short Circuit & protection setting calculation Sep-10
Implementation of NOVAR Scheme at 132/33kV Substations
'D' and 'Aweer'Jan-11
Implementation of NOVAR Scheme at 132/33kV Substations
'B', 'E' and 'CMC'Mar-11
Method Statement for testing & Commissioning of 33kV
NOVAR schemeSep-10
182Burj Al Salam Plot No. 335-141 & 335-178 Block
Trade Centre First, DubaiEmirates Trading Agency Load Flow, Voltage Drop and Motor Starting Analysis
Dubai Contracting
CoDec-10
181 Gypsemna Plant, ICAD - II Gypsemna Harmonic Measurement Report Sep-10
Earthing Design Calculation Aug-10
ADNEC 132/11kV Substation Lightning Protection Setting
CalculationOct-10
Bill of Quantity for earthing system Sep-10
Typical installation details for above ground earthing system Sep-10
Typical installation details for under ground earthing system Sep-10
Earth grid layout Sep-10
Soil Resistivity Measurement Site Test Report Aug-10
Short Circuit and Protection Setting Calculation Jul-10
Al Zahra, Al Hamra, Fujairah Free Zone & Bidiya 33/11kV
Substation MV Short Circuit CalculationApr-11
Water Tower 132/33/11kV Substation (33kV Capacitor Bank
Extension) 33kV Busbar Protection Setting CalculationApr-11
FEWA
Danway Electrical & Mechanical
LLCDUBAL
Al Badr. Cont. & Civil
Construction Co. LLC
BINANI Cement FactoryMr. Ali Saeed
Juma Al Bwaradi
Danway Electrical & Mechanical
LLC
Mr. Abdul Salam
Mohd. Rafi Mohd.
DEWA
Gypsemna
Transco
TranscoSiemens Electromechanical
TOSHIBA CORPATION
DEWA Order CE/238A/2005 Supply, Installation,
Testing & Commissioning of 33kV Capcitor
Banks at Existing Substaions
186
183
185
FEWA Contract No. E10/09, SCADA Control
Centre upgrade work at UAQ.
Extention to the existing cement plant at Binani
cement factory on plot no 599-450
3.3kV Switchboard 5160/16
Contract No. N-6166.1, New 132/11kV
Substation at ADNEC
178
179
184
180Energo Consult
LLC
Mott MacDonald &
Lahmeyer
International
-
FEWA Tender no. E/11/09, 33/11kV Substation
works in northern emiratesGECO Sharjah FEWA
Contract No. N-8088, 220/33kV Mobile
Substation at Qusahwira
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Water Tower 132/33/11kV Substation (33kV Capacitor Bank
Extension) 33kV Protection Setting CalculationApr-11
Graded Protection Setting Calculation - Fujairah Freezone Oct-1011/0.4kV Aux. Transformer LV REF Protection Setting
Calculation - Fujairah FreezoneOct-10
33kV Cable Feeders Cable Differential Protection Setting
Calculation - Fujairah Free zoneOct-10
33/11kV, 20MVA Transformer Unit Protection Setting
Calculation - Fujairah FreezoneOct-10
Fujairah Freezone - 33kV Busbar Protection Setting
CalculationNov-10
33kV Cable Feeders Cable Differential Protection Setting
CalculationAug-10
11/0.4kV Aux. Transformer LV REF Protection Setting
CalculationAug-10
Al Zahra 33/11kV Substation Transformers Unit Protection
Setting CalculationAug-10
Al Zahra 33/11kV Substation 33kV Busbar Protection Setting
CalculationSep-10
Al Zahra 33/11kV Substation - Protection Setting Calculation Nov-10
Al Zahra - Distance Protection Setting Calculation for 33kV
OHL FeedersNov-10
Bidiya 33/11kV Substation - 33kV Busbar Protection Setting
CalculationNov-10
Bidiya - Distance Protection Setting Calculation for 33kV OHL
FeedersNov-10
Graded Protection Setting Calculation Sep-10
Al Zahra 33/11kV Substation MV Short Circuit Calculation Aug-10
176 Emirates Aluminium Smelter Complex EMAL Power Quality Measurement Record SLWP Jul-10
175 Emirates Aluminium Smelter Complex SNC-Lavalin-WorleyParsonsData Collection, Mobilization and Power Quality Measurement
RecordSLWP Jun-10
Earthing Design Calculation Jul-10
Lightning Protection System Calculation & Drawings Apr-11
Lightning Protection System Calculations & Layout Jun-11
Lightning Protection System Calculations Mar-11
Earthing Drawings Jun-11
Soil Resistivity Measurement Site Test Report Jul-10
Soil Resistivity Measurement Site Test Report- 1 Apr-10
GECO Sharjah
EMAL
Torishima Pump Co Ltd TRANSCO
FEWA
174
EMAL
ILF Consulting
Engineers
177FEWA Tender no. E/11/09, 33/11kV Substation
works in northern emirates
Contract No. N-6820, EPC Works for Al Ain
Distribution Network Pump Station at AARC
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
173 Dubal -RT Cooling System - Potline 6Advance Maintenance
Technology Consultant LLC.
11/0.4kV System Short Circuit & Protection Setting
CalculationApr-10
Earthing Design Calculation Jul-10
Soil Resistivity Measurement Site Test Report May-10
Earthing Design Calculation Jul-10
Soil Resistivity Measurement Site Test Report May-10
170 Dubal -RT Cooling System - Potline 5Advance Maintenance
Technology Consultant LLC.
11/0.4kV System Short Circuit & Protection Setting
CalculationApr-10
Protection Setting Calculation May-10
Load Flow, Voltage Drop, Motor Starting & Short circuit
CalculationMay-10
Lightning Protection System Design RO Plant 01 Jun-10
Lightning Protection System Design RO Plant 02 Jul-10
Earthing Design Calculation - MV Switchgear, Sea Water
Pump Station and RO Plant II AreaApr-10
Earthing Design Calculation - RO Plant 01 Area Apr-10
Earthing Design Calculation - RO Plant II Area May-10
BOQ for buried earth mesh in RO Plant II Area Jun-10
BOQ for buried earth mesh in RO Plant I Area Jun-10
Soil Resistivity Measurement Site Test Report Mar-10
167 Potline - 21 & 43Danway Electrical & Mechanical
Engineering LLCProtection Setting Calculation for SS4321 & SS4521
SNC-LAVALIN
InternationalMar-11
Load Flow & Voltage Drop Calculation Sep-10
RMU-6 (741/T6) Protection Setting Calculation Jan-11
Short Circuit Calculation Oct-10
Protection Setting Calculation Jan-12
165 EMAL Aluminium Smelter ComplexDanway Electrical & Mechanical
Engineering LLC6.6kV Motor Protection Setting Calculation Feb-10
163New Production Facility for Gulf News - Plot No.
597-654 - Dubai Investment Park Second
Ws Atkins & Partners
OversseasLoad flow voltage drop calculation & Harmonic Analysis Atkins Mar-10
Protection Setting Calculation for 11/0.4kV Temporary Power
system network
Load Flow and Voltage Dip Calculation for 11kV Temporary
power system network
Short Circuit Calculation for 11kV Temporary power system
Network
Short Circuit & protection setting calculation - SS4321 &
SS4521
Electro RAK LLC
Concorde Corodex
-Electro RAK LLCGovt of Ras Al
Khaimah
169
168
Al Ghail Power Plant
166
171
172
164 Feb-10
EMAL
Gulf News
DubalSNC-LAVALIN
International
Dubal
Dr.M.H.Ali El
SAIEADWEA
Dubal
-
KEO International
SNC-LAVALIN
InternationalDubal
Mubadala
Development
Company
KEO International
Danway Electrical & Mechanical
Engineering LLCSS433 11kV Switchboard Upgrade
POT Line -21 & 43
Govt of Ras Al
Khaimah
Tabreed Oman
Dubal
Danway Electrical & Mechanical
Engineering LLC
TAS Middle East
Contract No. D-7832/1-SWRO Plant at Delma
Island
Tabreed, Oman Knowledge Oasis Muscat
Muscat, Oman
Al Hamra Power Plant
May-10162Al Sowah Island - Roads, Bridges &
Infrastructure Phase-1
Danway Electrical & Mechanical
Engineering LLC
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
22kV Permanent Power Supply Scheme Protection Setting
CalculationJul-11
Load Flow and Voltage Drop Calculation for 22kV Permanent
Power system networkMay-11
Short Circuit Calculation for 22kV Permanent Power supply
networkMay-11
161Mussafah - Al Ain Water Transmission Scheme -
Mawts Mussafah Lot-F Contract No. N-2664Nael Energy Harmonic Measurement Report May-10
160 Dubal-Jebel ali port handling facility upgradation SNC-Lavalin-WorleyParsons Electrical power system study SLWP Mar-10
Tower-1, Short circuit calculation for 22kV power system
networkDec-09
Tower-1, Protection setting Calculation for 22/0.4kV power
system networkMar-10
Tower-2, Short circuit calculation for 22kV power system
networkDec-09
Tower-2, Protection setting Calculation for 22/0.4kV power
system networkMar-10
Short Circuit Calculation - SS7501 Jun-10
Protection Setting Calculation Jun-10
2500kVA 11kV / 0.66kV Transformer Protection Setting
CalculationJun-10
Arafat 110/13.8kV SS Earthing Design Calculation Apr-10
Mina 11/0/13.8kV SS Earthing Design Calculation Apr-10
156POW Z - 000039.01.01 Framw 9B Waste Heat
Boiler MCCBin Ghalib Technology Dubai Protection Discrimination Study Nov-09
Ground Potential Rise Measurement Report Dec-09
Step & Touch Potential Measurement Report Dec-09
MV Graded Protection Setting Calculation Dec-09
Short Circuit Calculation Nov-09
153 Mirdif City Centre Verger et DelporteLoad Flow, Voltage Drop, Short Circuit & Protection Setting
CalclutionOct-09
400V System Power Factor Improvement Analysis Report Dec-09
SS769 Short Circuit & Protection Setting Calculation Jul-10
Harmonic & Power Factor Site Measurement Nov-09
155
152
158
157
162
DANWAY
154
K Home Engg. Ltd
Dar Al Handasah
Lahmeyer
International
Saudi Electricity
CompanyKhalib & Alami
Dubal
EMAL
R.W. Armstrong /
A2S04 - Abu
Dhabi
DUBAL
MAF Shopping
Malls
ADWEA
Government of
Dubai DCA
DUBAL
33/11kV Primary Substation - ICAD IIElectro Mechanical Co.LLC Abu
Dhabi
Dubal Substation 769
ETADubai World Central International Airport -
Contract no. JXB1/BLD/410 - (Phase 1)
Cast House No. 2 (Area 7000) 660V Substation
7501Bin Ghalib Technology Dubai
AL - MASHAAER Al Mugaddassah metro project
in makkahAtkins
159Shams Abu Dhabi, Plot 37 Tower-1, Tower-2 &
PodiumThermo LLC Sorouh
Al Sowah Island - Roads, Bridges &
Infrastructure Phase-1KEO International
Danway Electrical & Mechanical
Engineering LLC
Mubadala
Development
Company
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
W30PLSWS - H.H.SHK. Khalifa palace switching station -
11kV Short circuit calculation , Oct-10
W30PLSWS - H.H.SHK. Khalifa palace switching station -
11/0.4kV Protection setting calculation , 11kV-3365kVA,
Diesel generator protection
Oct-10
W50B4 & W50B5 SS- 11kV Short circuit calculation Apr-12
W50B4 & W50B5 SS-11/0.4kV Protection Setting calculation Apr-12
Ground Potential Rise Measurement Report for Area SS 4610
& 4335Dec-09
Ground Potential Rise Measurement Report for Area SS
4530, 4510, 4550 & 4520Dec-09
Ground Potential Rise Measurement Report for Area SS
4640, 4630, 4710, 4660 & 4540Nov-09
Ground Potential Rise Measurement Report for Area SS
4730, 4720, 4830, 4740 & 4650Oct-09
Step & Touch Potential Measurement Report - R/T Control
BuildingSep-09
Step & Touch Potential Measurement Report - Main SS
buildingSep-09
Ground Potential Rise Measurement Report - R/T Control
BuildingSep-09
Ground Potential Rise Measurement Report - RT Bays &
Harmonic Filter area (11-15)Mar-10
Step &n Touch Measurement Report - RT Bays & Harmonic
Filter area (11-15)Mar-10
Ground Potential Rise Measurement Report - Main SS
BuildingSep-09
149 Emal Alumininum smelter complex Danway - EME-Taweelah SiteProtection settings & Recommendations for 33kV switchgear
operating with Ungrounded power supply system
SNC-LAVALIN
InternationalAug-09
Step & Touch Potential Measurement Report Aug-09
Ground Potential Rise Measurement Report - T2 Site Jan-11
Step & Touch Potential Measurement Report - T2 Site Jan-11
Ground Potential Rise Measurement Report - S1 Site Dec-09
Step & Touch Potential Measurement Report - S1 site Dec-09
Ground Potential Rise Measurement Report - R1 Site May-10
Step & Touch Potential Measurement Report - R1 site May-10
Ground Potential Rise Measurement Report Aug-09
Al Naboodah MEP LLC
(16 Substations)150
SNC-LAVALIN
InternationalEMAL
EMAL
TRANSCOLahmeyer
International
New 400kV Grid Station and 132/22kV Primary
Substation at Al Reem Island and associated
400kV cable works
148
151
ABB - Abudhabi
(3 Substations)
Emal Alumininum smelter complex
Contract No. D7150 Security and upgrading of
11kV Electrical Network for H.H. Shk. Khalifa
palace in abudahbi and erection of equipment in
s/s4 and s/s5 at beach palace.
Lindenberg Emirates LLC,
AbuDhabiADDC
OZEN Levent
Power
Engineering
consulting LLC
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Measurement of Earth Grid Impedance and Step & Touch
Potential of Package 'P' and 'D' Nov-10
Step & Touch Potential Measurement Report Aug-09
Ground Potential Rise Measurement Report Aug-09
Earthing Design Calculation Dec-09
Soil Resistivity Measurement Report Aug-09
MV Earthing Design Calculation Sep-09
1600/2200kVA Transformer - LV REF Protection Setting
CalculationApr-11
2000/2700kVA Transformer - LV REF Protection Setting
CalculationApr-11
CO3-MDB-001 Review of LV Protection Setting Calculation Apr-11
CO3-MDB-002 Review of LV Protection Setting Calculation Feb-11
CO3-MDB-004 Review of LV Protection Setting Calculation Feb-11
CO3-MDB-006 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-007 Review of LV Protection Setting Calculation Feb-11
CO3-MDB-008 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-009 Review of LV Protection Setting Calculation Feb-11
CO3-MDB-010 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-013 Review of LV Protection Setting Calculation Apr-11
CO3-MDB-016 Review of LV Protection Setting Calculation Apr-11
CO3-MDB-017 Review of LV Protection Setting Calculation Feb-11
CO3-MDB-019 Review of LV Protection Setting Calculation Apr-11
CO3-MDB-020 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-021 Review of LV Protection Setting Calculation Apr-11
CO3-MDB-022 Review of LV Protection Setting Calculation Apr-11
CO3-MDB-023 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-025 Review of LV Protection Setting Calculation Apr-11
AX 134 -Dubai International Airport Expansion
Phase-II, Concourse -3ETA DCA
DAR- Al
Handasah145
SEWA
Fichtner
Consulting
Engineers
-
DEWA
ABB AG146
147 Jebel Ali Power & Desalination Station 'M' Fisia Italimpianti
Musallah Substation
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
CO3-MDB-026 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-028 Review of LV Protection Setting Calculation Apr-11
CO3-MDB-029 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-031 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-031 (LHS) LV Short Circuit Calculation Aug-11
CO3-MDB-032 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-033 Review of LV Protection Setting Calculation Mar-11
CO3-MDB-035 Review of LV Protection Setting & Voltage
drop CalculationOct-10
CO3-MDB-038 Review of LV Protection Setting & Voltage
drop CalculationOct-10
CO3-MDB-801 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-802 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-803 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-804 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-805 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-806 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-807 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-808 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-811 Review of LV Protection Setting & Voltage
drop CalculationApr-11
CO3-MDB-004 Review of LV Voltage drop Calculation and
Cable changesJul-11
MV Short Circuit Calculation EL4,5 & 6 Jul-10
MV Short Circuit Calculation L11 & 12 Mar-10
MV Short Circuit Calculation L1 & 2 Mar-10
MV Graded Protection Setting Calculation L1 & 2 Mar-11
ETA145 DCADAR- Al
Handasah
AX 134 -Dubai International Airport Expansion
Phase-II, Concourse -3
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
MV Graded Protection Setting Calculation L3 & 4 Mar-11
MV Short Circuit Calculation L7 & 8 Feb-11
MV Short Circuit Calculation L5 & 6 Feb-11
MV Graded Protection Setting Calculation - EL4,5 & 6 Feb-10
MV Graded Protection Setting Calculation -
L1,2,34,5,6,7,8,9,0,11 & 12Mar-10
MV Loop L9 & L10 MV Short Circuit Calculation Sep-10
MV Loop L9 & L10 MV Graded Protection Setting Calculation Sep-10
MV Loop L9 & L10 MV Load flow, voltage drop calculation Jun-10
MV Loop L7 & L8 MV Load flow, voltage drop calculation Jun-10
MV Loop L7 & L8 MV Short Circuit Calculation Jun-10
MV Loop L3 & L4 MV Short Circuit Calculation Jun-10
MV Loop L3 & L4 MV Load flow, voltage drop calculation Jun-10
MV Load flow & Voltage Drop calculation - EL4,5 & 6 Feb-10
MV Graded Protection Setting Calculation - EL4,5 & 6 Sep-10
MV Load flow & Voltage Drop calculation - L11& L12 Mar-10
MV Short Circuit Calculation - Loop L11 & L12 Sep-10
MV Graded Protection Setting Calculation - L11 & L12 Sep-10
MV Load flow & Voltage Drop calculation - L1& L2 Mar-10
MV Load flow & Voltage Drop calculation - L5& L6 Mar-10
MV Loop 13-MV Graded Protection Setting Calculation Jul-10
GSE-ESU-001 Earth Resistance Calculation (Re) Apr-10
PDS Room Earth Resistance Calculation (Re) Apr-10
Earthing Conductor Sizing Calculation Sep-09
Method statement for soil resistivity measurement Dec-09
Soil Resisistivity Measurement and Earthing Design
CalculationMay-10
Soil Resistivity Measurement Report Jul-09
Short Circuit Calculation & Protection Setting Calclution Oct-09
Transformer LV REF Protection Setting Calculation Jul-09
LV Protection Setting Calculation Oct-09
Soil Resistivity measurement Jul-09
Earthing Design Calculation Jul-09
AX 134 -Dubai International Airport Expansion
Phase-II, Concourse -3ETA145 DCA
DAR- Al
Handasah
Relocation of 33/11kV Package Units with
associated 33kV Cables, Installation &
Commissioning in Al Ain Contract No.4796
Al Ain Distribution
Company143
Gibb LtdNew administartion building at Ruwais Gasco
Heliopolis Electric Co.
OZEN Levent
Power
engineering
consulting LLC
Ed Zublin AG / FEMC144
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Temporary Power Supply LV Cable Schedule and Bill of
QuantityOct-09
Temporary Power Supply - Specification for intermediate
11kV switchgearSep-09
Temporary Power Supply Materials Technical Data Aug-09
Temporary Power Supply Capacitor Bank Calculation Aug-09
Temporary Power Supply LV Voltage Drop Calculation Sep-09Temporary Power Supply PSS Earthing System Schematic
and Installation DetailsAug-09
Temporary Power Supply Package S/S PSS-1 to PSS-7 Earth
Electrode ResistanceFeb-10
Temporary Power Supply - Earthing system installation details Feb-10
Temporary power supply - package ss PSS1 to PSS7
earthing conductor sizing calculationFeb-10
Temporary Power Supply BOQ for Package S/S Earthing
MaterialAug-09
Temporary Power Supply 11kV Cable Schedule and BOQ Aug-09
Temporary Pocket Substation -1 LV Voltage drop calculation Dec-11
Temporary Pocket Substation -2 LV Voltage drop calculation Dec-11
Temporary Pocket Substation -3 LV Voltage drop calculation Dec-11
Installation of Temporary MV Network - Site Supervision
Works - Handover ReportDec-11
LV Short circuit calculation Jun-10
LV Voltage drop Calculation Dec-09
MV Load flow, Voltage Drop & Short Circuit Calculation Jun-10
Technical Specification for Pakage SS Jul-09
MV Cable Jul-09
Soil Resistivity Report Jul-09
Method statement for Isolation, Decommissioning,
Dismantling and Removal of Temporary Package Substation-
1,2,3,4,5 & MV switchgear-2 and MV cable installed at AX124
C3 Project
May-12
Graded Protection Setting Calculation Mar-10
ALEC L.L.C Dar Al Handasah142
Government of
Dubai Department
of Civil Aviation
AX 124 -Dubai International Airport Expansion
Phase-II, Concourse -3
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Bldg 420A, 132kV GIS feeder for SBRT-6(420A/1111)
Backup O/C & EF Protection Setting CalculationSep-09
SBRT56 Rectifier Transformer: 132kV Bay 420A/1214 GIS
O/C & E/F Protection Setting CalculationMar-11
Temporary MV Network supervision works handover report Jul-11
SBRT6 Rectifier Transformer: 132kV Bay 420A/1111 GIS O/C
& E/F Protection Setting CalculationFeb-11
140 Ruwais housing complex Expansion - Phase III CODE Contracting Company Earthing Design CalculationALTORATH Engg
ConsultantsJun-09
Earthing Design Calculation May-09
Earthing Design Calculation - Jabriya 'Z' Substation Jan-10
Power System Study Jul-09
11kV Load Flow, Voltage Drop & Short Circuit Calculation Jul-09
Graded Protection Setting Calculation Jul-09
SAAD - 0.4kV Voltage drop Calculation Jan-11
SAAD - 11kV Short Circuit Calculation Aug-09
SAAD - 11kV Load Flow & Voltage Drop Calculation Aug-09
SAAD - 33 / 11kV Graded Protection Setting Calculation Nov-09
SAAD - 11kV, Ring Main Feeders Cable Differential
Protection Setting CalculationJul-10
SAAD - 11kV, 2.4MW DG Protection Setting Calculation Mar-10
SAAD - 11kV, 1.68MW Bio gas generator protection setting
calculationMay-10
SAAD - 11/0.415kV Transformer Thermal Overload Protection
Setting CalculationDec-09
SAAD - Vector Shift and Feeder Protection Setting
CalculationApr-10
WATHBA - 0.4kV Voltage drop Calculation Apr-10
WATBA - 11kV Short Circuit Calculation Mar-10
ADWEA Sewage Treatment BOOT Project
WATHBA & SAAD WWTPDanway LLC KHARAFI National
ILF Consulting
Engineers
139
135
SS420A
Heliopolis Electric Co.
Contract No.MEW/C/3885-2008/2009 Sulaibiya
Z 400/300kV SubstationABB - Kuwait
OZEN Levent
Power
engineering
consulting LLC
Empower
SNC-LAVALIN
International
Apr-09
DIFC -District Cooling North Plant Construction
works
ABB Dubai
Voltas Limited
Power System Study & DG REF- DGPS Protection Setting
CalculationTebodin
Jun-09136
138
Ministry of Electricity & Water State of
Kuwait
137 Contract No.AX457 Dubai International Airport
ADNOC
DUBAL
Al Ain Distribution
Company
DANWAY
May-09Earthing Design Calculation
Relocation of 33/11kV Package Units with
associated 33kV Cables, Installation &
Commissioning in Al Ain Contract No.4796 - Al
Khurair Substations
BK Gulf LLC
141
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
WATHBA - 11kV Load Flow & Voltage Drop Calculation Apr-10
WATHBA - 33 / 11kV Graded Protection Setting Calculation Jul-09
WATHBA - 11kV, Ring Main Feeders Cable Differential
Protection Setting CalculationFeb-10
WATHBA - 11kV, 2.4MW DG Protection Setting Calculation Feb-10
WATHBA - 11kV, 1.68MW Bio gas generator protection
setting calculationDec-09
WATHBA - 11/0.415kV Transformer Thermal Overload
Protection Setting CalculationNov-09
WATHBA - 33kV, Bus Bar Protection Setting Calculation Jul-09
WATHBA - 33kV, Cable Differential and Distance Protection
Setting CalculationJul-09
WATHBA - 33kV, Relay setting parametrs Feb-10
WATHBA - 33/11kV,20MVA, Transformer unit Protection
Setting CalculationFeb-10
BOQ for buried earth mesh for SS W91,92,93 & 94 Feb-10
BOQ for buried earth mesh for SS S91,92 Feb-10
Typical installation details for lightning protection Jan-11
BOQ for Lightning Protection for buildings - Saad Apr-10
BOQ for Lightning Protection for buildings Dec-10
BOQ for Lightning Protection design calculation Apr-10
Earthing Design Calculation - W91 Apr-10
Earthing Design Calculation - W92 Oct-10
Earthing Design Calculation - W93 May-10
Earthing Design Calculation - W94 Jul-10
Earthing Design Calculation - Saad S92 Nov-09
Soil Resistivity Measurement Jul-09
Earthing Design Calculation Feb-09
Measurement of Earth Grid Impedance and Step & Touch
Potential of Package 'P' and 'D' Nov-10
Ground Potential Rise Measurement and Step & Touch
Potential MeasurementMar-09
Earth grid impedance measurement at HRSG Unit 12 LEB Apr-10
Step & Touch Potential Measurement Site test Report at
HRSG Unit 12 LEBApr-10
ADWEA Sewage Treatment BOOT Project
WATHBA & SAAD WWTPDanway LLC KHARAFI National
ILF Consulting
Engineers
134
135
Fichtner
Consulting
Engineers
DEWAJebel Ali Power & Desalination Station 'M'Doosan Heavy Industries &
construction
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Short circuit calculation Dec-09
Protection Setting Calculation Jan-10
SS423 Protection Setting Calculation Sep-09
SS423 Harmonic & Power Factor Site Measurement Apr-10
Load flow, Voltage Drop, Motor Strating Analysis & Short
Circuit CalculationSep-09
131Lusail Development Construction Package
2(CP2) - Boulevard 1 & 2 66/11kV SubstationsABB AG - Qatar Earthing Design Calculation for 2 substations
Parsons
International
Limited
Apr-09
130
Relocation of 33/11kV Package Units with
associated 33kV Cables, Installation &
Commissioning in Al Ain Contract No.4796 for 3
Substations
Heliopolis Electric Co. Earthing Design Calculation
OZEN Levent
Power
engineering
consulting LLC
Mar-09
Lighting Protection System Design Dec-09
Lightning Protection System Design for Stack at Power Plants Jun-10
Method Statement for Ground Potential Rise, Step&Touch
Measurement Feb-10
Ground Potential Rise and Step&Touch Measurement Report Mar-10
Graded Over Current & Earth Fault Protection Setting
CalculationNov-09
Harmonic Analysis Jul-09
Load Flow, Voltage Drop & Short Circuit Calculation Nov-09
127Transco contract No. N5812.1 Al Mafraq
220/33kV Temp S/SRemcon Relay Setting Calculation
Lahmeyer
International Jan-09
126 DUBAL DOCK S/S 350 UPGRADATION Bin Ghalib Technology Dubai SS 350 LV Back-up Protection Setting Calculation Jan-09
S/S239 REPLACEMENT OF 3.3kV
SWITCHGEARDanway Dubai Load Flow, Voltage Drop & Short Circuit Calculation Dec-08
SS239 Danway Dubai Harmonic and Power Factor Site Measurement Jul-10
S/S239 Back-up protection setting review of
11/3.3/0.4kDanway Dubai Protection Setting Calculation Sep-08
SS5828 Extn. SS5634 Protection Setting Calculation Sep-10
SS5634 3.3kV & 0.4kV Swrgs Back-up Protection Setting
CalculationDec-08
125
128
129
Dubai Aluminium Co. Ltd.
QATARI DIAR
Hyder Consulting
EMMAR
Dubai Aluniminium
Co. Ltd.
Fujairah Asia
Power Company-
Al Ain Distribution
Company
Dubal Aluniminium
Co. Ltd.
132
133
AlSTOM (Switzerland) Limited
TRANSCO
EMAARBK Gulf LLC
The Development of Dubai Marina Office Tower
Plot 3F
S/S 423 3.3kV Switch Board Upgrade
BURJ DUBAI LAKE FOUNTAIN WATER
FEATURE RE-DESIGN
Danway LLC
Al Jaber Engineering &
Contracting LLC
Potline 6B S/S 5634
Fujairah Power Plant
Danway Dubai
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
11kV Backup Protection Setting Calculation (with ADDC feed
and Dynamic UPS feed)Apr-11
Power System Study Load Flow, Voltage Drop & Short Circuit
Calculation (ADDC Feed-DRUPS in Bypass Mode)Oct-09
RAS Laffan C IWPP Project - Desalination Nov-08
RAS Laffan C IWPP Project - Power Plant Oct-08
RAS Laffan C IWPP Project - 400/300kV
SubstationSep-08
122Contract No.A230401/2007/005 Yas Island
Development 33kV Package Unit SubstationHeliopolis Electric Co. Earthing Design Calculation ALDAR Oct-08
121 GTX Cogeneration Project Danway LLCGround Potential Rise Measurement and Step & Touch
Potential MeasurementVattenfall Sep-08
Pearl of the emirates DCP-1 District Cooling
Plant Plot.P5, Sector5, Zone RT - Tamouh
Chiller Water Plant Plot.No.S3-P50, Sector 3,
Sorough Real Estate P.J.S.C
119 IRM Trading Terminal Inside Fujairah Port Danway LLC Power System Study Oct-08
118
P-25 DAFZA Chiller Plant Modification, Dubai
Airport Free Zone Authority, Dubai Internationl
Airport
MacAir LLC Power System Study Aug-08
SS 239 3.3kV Swgr. Load Flow, Voltage Drop, Motor Starting
Analysis & Short Circuit Calc.Sep-09
SS 239 Back-up protection setting calcn. Sep-09
116 Al Ghail industrial Park Secondary Substation Electro RAK LLC Earthing design calculation for 5 substation Watt Engineering Jul-09
115
Contract No.E28/06(1) Installation, Testing &
Commissioning of 132/3311 & 33/11kV S/S in
Northern Emirates
CENTAUR Electro-Mechanical
Contracting Co.LLCBack-up Protection Setting Calculation Feb-09
LV Back up Protection Setting Calculation Jul-10
Back up Protection Setting Calculation Jul-10
Motor Starting Analysis, Voltage Drop, Load Flow & Short
CircuitJan-10
Unit & Backup Protection Mar-09
Transformer unit protection setting calculation Jan-10
Harmonic Analysis Jan-10
117
124
120
ADDC
ADC LLC
Danway Dubai
Sep-08
SNC-LAVALIN
International
M/s.Fujairah Energey Projects Co.
LLC
FEWA
Dubai Aluminium
Co. Ltd.
123 RAS Girtas Power Company
Arch.& Planning
Group
ALDAR Properties
PJSE
SS239 Replacement of 3.3kV Switchgear
Grang & Boake Architects Crang &
Boake INC
DUBAL
Earthing Design CalculationABB AG, Abu Dhabi
Stellar Group LLC
Power System study of 4400TR SNC Lavalin
Group Contract RTA Metro Station - Phase I &
Phase II
Earthing design Calculation
DAFZA
INJAZAT Data System DANWAY / HITEC
114
Al Ghail Power
LLC
RTA Dubai
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
MV Short Circuit Calculation Sep-09
Over Voltage and Under Voltage Protection Settings Jun-10
Method statement for 11kV system Energization Jan-10
Graded Over Current & Earth Fault Protection Setting
Calculation 11kV SystemSep-09
625kVA Al -Quaa 0.4kV,625kVA DG Protection Setting Calculation Aug-09
625kVA Al -Tawam OP 0.4kV, 625kVA DG Protection Setting Calculation Aug-09
625kVA Al -Tawam Dental 0.4kV, 625kVA DG Protection Setting Calculation Aug-09
625kVA Sanaiya Medical Store 0.4kV, 625kVA DG Protection Setting Calculation Aug-09
1000kVA Abu Poultry 0.4kV, 1000kVA DG Protection Setting Calculation Feb-09
1500kVA Abu Camp 0.4kV, 1500kVA DG Protection Setting Calculation Feb-09
775kVA Jabel Hafeet1 0.4kV, 775kVA DG Set Oct-09
775kVA Jabel Hafeet2 0.4kV, 775kVA DG Set Oct-09
775kVA Jabel Hafeet3 0.4kV, 775kVA DG Set Oct-09
Mafraq Hospital- 7 11kV, Short Circuit Calculation Oct-09
Mafraq Hospital - 7 11/0.4kV, Graded Protection Setting Calculation Aug-09
Mafraq Hospital - 7 11kV, 3125kVA (New) DG Protection Setting Calculation Aug-09
Mafraq Hospital - 7 11kV, 2787kVA (Exg-1)DG Protection Setting Calculation Aug-09
Mafraq Hospital - 7 11kV , 2787kVA (Exg-2)DG Protection Setting Calculation Aug-09
Mafraq Hospital - 7 11kV, Bus bar Protection Setting Calculation Jul-09
Sea Palace 0.4kV,1500kVA DG Protection Setting Calculation Aug-09
111
Contract No. G-1882 Security of the Electric
power supply & Upgrade of the network for
Presidential Palaces and Hospitals (Stage -III
Phase-III)
Lindenberg Emirates LLC,
AbuDhabi
Niyadat Palace- 11kV Short Circuit & Protection Setting
Calculation
Lahmeyer
International Dec-08
Clock Tower Palace - 11kV Short Circuit & Protection Setting
Calculation
11kV, 2000kVA, DG Protection Setting calculation
109Contract No. N5767 - 400/200kV Grid Station at
ICADTOSHIBA CORPATION Earthing Design Calculation Jul-08
Short Circuit Calculation Jan-10
Graded Protection Setting Calculation Jun-09
Dubai Investment Park Emicool Plant 3 Jun-08
Dubai Investment Park Emicool Plant 6 May-08
108
107
110
112
112
113
S/S 427 - Replacement of MV Switchgear
Contract No.G-1882 Security of the Electric
power supply & Upgrade of the network for
Presidential Palaces and Hospitals (Stage-III
Phase-III)
THE INDEX BUILDING @ DIFC SITE
Cansult Maunsell
AECOM
GECO Dubai Aluniminium Co. Ltd.
Back-up Protection Setting Calculation
BK Gulf LLC
Earthing Design CalculationADC LLC EMAAR
Jun-09
Hyder Consulting
TRANSCO
Lindenberg Emirates LLC,
AbuDhabi
Lindenberg Emirates LLC,
UNION Properties
ADWEALahmeyer
InternationalDec-08
ADWEA
Lindenberg Emirates LLC, ADWEA
ADWEALahmeyer
International
Lahmeyer
International
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
106Contract No.D-8798 33/11kV Package Units - Al
Mafrraq Workers Cities F1&F2 areaHeliopolis Electric Co. Earthing Design Calculation for 9 Substations
Lahmeyer
InternationalSep-08
Earthing Design Calculation for 11 Substations Nov-08
Soil Resistivity Measurement Site Test Report May-10
Earthing Design Calculation for Al Khatam PU-1 Jun-10
Earthing Design Calculation - Al Jadidah Feb-10
ET LV REF protection Aug-08
132kV Tr. IDT protection (LV REF & HV REF) Aug-08
132kV Tr. IDT protection (Diff.) Aug-08
132kV Reactor protection (Diff. & REF) Sep-08
132kV Main-1 protn. (Fdr), Main-2 protn. (Fdr) Sep-08
132kV GIS CB Fail protection Sep-08
132kV & 11kV Busbar protection Sep-09
11kV & LVAC Backup(OC & EF) protn. Sep-09
11kV VSR & PFC settings Oct-08
AVR settings Oct-08
132kV Backup O/C & E/F+Reactor O/C & E/F protection Nov-08
11kV Capacitor bank protn.(UV/OV out of balance) Nov-08
11kV & LVAC Backup(OC & EF) protn. Jan-09
11kV Capacitor bank protn.(UV/OV out of balance) + PFC
settingsJan-09
11kV VSR settings Jan-09
132kV Tr. IDT protection (Diff.) Jan-09
132kV Tr. IDT protection (LV REF & HV REF) Jan-09
AVR settings Jan-09
ET LV REF protection Jan-09
132kV Reactor protection (Diff. & REF) Jan-09
132kV Main-1 protn. (Fdr), Main-2 protn. (Fdr) Jan-09
132kV Backup O/C & E/F+Reactor O/C & E/F protection Jan-09
132kV Under Voltage protection setting Jan-09
132kV GIS CB Fail protection Jan-09
132kV & 11kV Busbar protection Jan-09
Earth grid impedance measurement -Mall Mar-10
Earth Grid Impedance Measurement - TCRA Apr-10
Step & Touch Measurement Report - TCRA Apr-10
Step & Tocuh Measurement Report Mar-10
105
104
104
103
Lahmeyer
International
ADWEA
SIEMENS / BUTEC
DEWA
DEWAAMBCT
DEWA Contract No. CE/299A/07
Supply,installation,testing & commissioning of
MALL & trade cantre Roundabout - 132/11kV
Substation
New 33/11k Primary Substations and
Modification of Existing Substations in the
Eastern Region of Abu Dhabi Contract No.D-
5110-1(Lot1.A) - 11 Substations
Industrial City 1 & 2 AMBCT
Industrial City 1 & 2 AMBCT
ADWEA
DEWA
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Palm Jumeirah Trunk Crown District Cooling
System T-3Jun-08
Palm Jumeirah Trunk Crown District Cooling
System T-4Apr-08
101Dubai World Central International Airport
Contract No. : JXB1/BLD/410ETA M&E Division Short Circuit and graded protection (Protection discrimination) Apr-08
Harmonic Analysis Nov-09
Motor Staring Analysis Jul-09
LV REF Protection Setting Calculation Sep-09
LV Voltage drop Calculation Sep-09
MV Short Circuit Calculation Jun-09
11kV Chiller Motor Protection Oct-09
Peak Fault Current Computation 11kV System Nov-09
LV Back up Protection Setting Calculation Oct-09
LV Short Circuit Calculation Jun-09
Graded Over current & Earth Fault Protection Setting
CalculationSep-09
LV Back-up Protection Oct-09
LV REF Protection Setting Calculation Oct-09
LV Short Circuit Calculation Oct-09
LV Voltage drop Calculation Oct-09
MV Short Circuit Calculation Sep-09
MV Graded Protection Setting Calculation Sep-09
MV Load flow & Voltage Drop Sep-09
Harmonic Analysis Mar-10
MV Motor Starting Analysis Sep-09
LV REF Protection Setting Calculation Oct-09
LV Short Circuit Calculation Oct-09
MV Short Circuit Calculation Sep-09
MV Motor Starting Analysis Sep-09
MV Voltage Drop Calculation Sep-09
MV Graded Protection Setting Calculation Sep-09
LV Voltage drop Calculation Oct-09
LV Back up Protection Setting Calculation Oct-09
Harmonic Analysis Mar-10
99 Strategic Gas Transmission Project Nama Mott MacDonald Power System Study Feb-08
102 Hyder Consulting
Qatar Petroeum
Govt.of Dubai
Department of
Civil Aviation
Dar Al - Handasah
Govt.of Dubai
Department of
Civil Aviation
PALM DISTRICT
COOLING LLC
Gulf District Cooling LLC
DEWA
Graded Proection
Harmonic Analysis
100
Shinryo Corporation Dubai
100
Dar Al - Handasah
DUBAI WORLD CENTRAL JXB1/INF/044-
District Cooling Plant Logistic City-1 & 2
DUBAI WORLD CENTRAL JXB1/INF/044-
District Cooling Plant Logistic City-1 & 2
Gulf District Cooling LLC
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Load Flow & Voltage Drop Feb-08
Short Circuit Calculation Feb-08
Graded Protection Setting Calculation Feb-08
Protection Setting Calculation Feb-08
Load Flow & Voltage Drop Feb-08
Short Circuit Calculation Feb-08
Protection Setting Calculation Feb-08
Load Flow & Voltage Drop Feb-08
Short Circuit Calculation Feb-08
Protection Setting Calculation Feb-08
Load Flow & Voltage Drop Feb-08
Short Circuit Calculation Feb-08
Protection Setting Calculation Feb-08
Soil Resistivity Feb-08
Earthing Design Calculation Feb-08
Soil Resistivity Feb-08
Earthing Design Calculation Feb-08
95 420/T6 + 420/ET6 GECO Protection Setting Calculation Feb-08
94FEWA Contract No. E24/07 Dahid 400/220kV
GIS SubstationCENTAUR Protection Setting Calculation Jan-08
93 MARAS Tower SAFECO Harmonic analysisSPACE
CONSULTJan-08
92
EPC Contract no. N-2664, MUSSAFAH-Al Ain
water transmission scheme. Mussafah to Al-
Wathba(Lot-F)
AJES / Neal 11/0.4kV Protection setting calculationPenspen
International Ltd.Feb-08
91 Pot Line 7 & Cathouse No.3DANWAY ( Electrical &
Mechanical Engineering)Protection Setting Calculation
SNC-LAVALIN
InternationalDec-07
90
Contract No.ESN021/06 :
Design,supply,installation & Commission of New
11kV Electrical Switching station at ESNAAD
Electro-mechnaical Co. LLC,
Abu DhabiEarthing Design Calculation Sep-07
JXB/010
AADC Contract No.4790
Release,Relocate,Reinstallation &
commissioning of 4 nos. 33/11kV package
substation - Al Rawdah Place
JXB/060
Dubai World
Centre
International
Airport
JXB/002
JXB/050
Dara Al Handasah
and ADPI
-
Dara Al Handasah
and ADPI
OZEN Levent
Power
engineering
consulting LLC
Jun-09Trade Centre R/A 132 kV SS
AADC Contract No.4790
Release,Relocate,Reinstallation &
commissioning of 4 nos. 33/11kV package
substation - Live Stock Market
Dubai Aluminum
Co.Ltd
ESNAAD
FEWA
Dubai Aluminum
Co.Ltd
98
97
96
International
Private Group LLC
Dubai World
Centre
International
Airport
DANWAY
Heliopolis
11kV Busbar ProtectionAMBCT DEWA
Al Ain Distribution
Company
Heliopolis
DANWAY
ADWEA/
TRANSCO
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
89 330/132/33kV Ikot Abasi Substation(New)Rezayat Engineering Service
(P) LTD.,Earthing Design Calculation
Lahmeyer
InternationalOct-07
Soil resistivity Measurement
Earthing Design Calculation
Abu Dhabi Airport Power System Study Dec-07
ICAD 220kV Substation Earthing Design CalculationLahmeyer
InternationalAug-07
Contract No. G4010-2, Supply & installation of
33/11kV primary substation at ICAD II &
modification works
Earthing Design CalculationLahmeyer
InternationalNov-07
MPS 1 Earth Grid Impedance measurement Dec-07
MPS 2 Earth Grid Impedance measurement Dec-07
MPS 3 Earth Grid Impedance measurement Dec-07
85 Qatar Emirates Gas Power system study Nov-07
Harmonic Analysis Nov-07
LV Short Circuit & Relay Settings Nov-07
Short Circuit Calculation
Motor Strating Analysis
Protection Setting Calculation
Al Jurf-II 132/33/11kV and 33/11kV Substation
in Northern EmiratesProtection Setting Calculation Oct-07
Protection Setting Calculation Dec-07
Busbar Protection Apr-08
Unit protection Feb-09
Feeder / Cable protection Jun-09
Back-up Protection May-08
82Connection of BSDS to Existing System at
Taweelah -BBabcock 11kV, 2000kVA, DG Protection Setting calculation Sep-07
81 Dubai International Airport Cont.N0. AX095 BK GULF LLC Protection Setting Calculation Sep-07
80Dubai International Airport Expansion Project
(Phase 2) Cont.N0. AX101BK GULF LLC Protection Setting Calculation A N & GFJV Jul-07
83
86
Jan-08Mario AssociatesEmpower
Niger Delta Power
Holding Company
of Nigeria
88
84
87
PN0402, Dubai World Trade Centre, District
Phase -1
Remcon
Al Qusaidat 132/33/11kV
FEWA
WSP
Nov-07
Dubai World
Trade Centre
Mott MacDonald
DXB
DAR AL -
HANDASAH
Electro-mechnaical Co. LLC,
Abu Dhabi
Zener Steward
DEWA
Gulf District Cooling LLC
Mitsubishi
ADWEA
Business Bay Executive Tower, Dubai, District
Cooling Plant
TRANSCO
Babcock Borsig
Services - TAPCO
Emirates Industrial
Gases Co. Gas
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
Short Circuit Calculation
Load Flow & Voltage Drop
Motor Strating Analysis
Protection Setting Calculation
78 DUBAL PL6B DANWAY Protection setting calculationSNC-LAVALIN
InternationalDec-07
Soil Resistivity Sep-07
Earthing Design Calculation Oct-07
Earthing Design Calculation Jan-08
2 MVA 11/0.4 kV SS - Jf 0681 Protection setting Dec-07
5 MVA 11/0.4 kV SS - JF 0766 Protection setting Feb-08
Earthing Design Calculation Jan-08
Detailed earthing installation drawings Jan-08
MPS-1 Sep-07
MPS-2 Mar-09
MPS-3 Apr-09
TPS 19 Sep-09
TPS 20 Sep-09
Nov-07
Nov-07
Nov-07
71 DPA/JAFZA - SS Q3/4 DANWAY Short circuit, Graded protection Nov-07
70 Ali & 132/11kV Estethmar Substation Hyundai Earthing Design Calculation - Oct-07
DIFC Nov-07
Dubai Outsourcing Zone (DOZ) Nov-07
International Media Production Zone (IMPZ) Nov-07
Knowledge Village @ Academic city Nov-07
TECOM Nov-07
DHCC Nov-07
33/11kV Package Unit at ICAD II
79
77 Heliopolis
BK GULF LLCPalm Jumeirah Trunk Chiller Plant T1
Earthing Design Calculation
74
RTA
York International
DEWA
EmpowerProtection Setting Calculation
AL Khaleej SugarsAl Khaleej Sugars
Grid Impedance measurement
Toshiba Corporation
ACTCO
New 400/132/132kV Grid Station at Bahia (Lot
1A)
Nov-07HYDER
Dubai Metro
Protect
ICAD
Lahmeyer
InternationalTRANSCO
Jurog
International
Consulating
75
76
73
ETA
69
AREVA72
Supply,installation , testing & commissioning of
Maritime city ,Rigga street & Jabel Ali
roundabout - 132/11kV Substation and
associated works
-
Mar-08Porcellan
Company LLC
PALM DISTRICT
COOLING LLC
ADDC
Dubai Aluminum
Co.Ltd
DEWA
33/11kV, Short circuit and Graded Protection setting
calculations , Transformer unit protection setting calculation
for the Porcellan factory at ICAD-IIPorcellan Company LLC
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
68DWCIA Phase -1 JXB1/DB/220 Cargo Terminal
BuildingETA M&E Division Load Flow & Voltage Drop DAH / ADPI Aug-07
67 WAFI CITY ETA M&E Division Harmonic Measurement ReportGT FZCO /
TORONTECSep-07
66
Contract No.: G-4010-3:Installation of 33/11kV
Package Unit (2nos. With modification) &
installation of 33kV ,300mm fiber optics cables
Heliopolis Earthing Design CalculationLahmeyer
InternationalOct-07
Harmonic Analysis Feb-08
Graded protection Feb-08
64Water Tower-132/33/11 & 33/11kV Substation in
Northern Emirates
CENTAUR Electro-Mechanical
Contracting Co.LLCProtection Setting Calculation Jan-08
63Al ZAWRA 132/11kV Substation (PS) Power
Plant in Northern Emirates
CENTAUR Electro-Mechanical
Contracting Co.LLCProtection Setting Calculation Nov-07
Short Circuit Calculation
Load Flow & Voltage Drop
Protection Setting Calculation Oct-07
Earthing Design Calculation Oct-07
Harmonic Analysis Nov-07
11/0.4 kV Substation - Palm Jumeirah Protection Setting Calculation Nov-07
Short circuit, Voltage drop & Graded Protection Setting
calculation for Wild Air SchemeJun-05
LV Protection Setting Calculation - Level 109 Jan-11
LV Protection Setting Calculation Jul-09
Graded over current Protection Setting calculation for
Emergency systemDec-09
Load flow, voltage drop and short circuit calculation Dec-09
LV Protection Setting Calculation - Level 73 (73MDB1A & 1B
and 73MDB2A & 2B)Feb-11
LV Protection Setting Calculation - Level 17 (1A & 1B and 2A
& 2B)Nov-10
LV Short Circuit Calculation - Level 17 (1A & 1B and 2A & 2B) Nov-10
LV Short Circuit Calculation - Electrical Room 1 Nov-10
LV Protection Setting Calculation - Electrical Room 1 Nov-10
LV Short Circuit Calculation - Electrical Room 2 Sep-10
LV Protection Setting Calculation - Electrical Room 2 Sep-10
LV Short Circuit Calculation - Electrical Room 3 Sep-10
LV Protection Setting Calculation - Electrical Room 3 Mar-11
Burj Dubai Development, The Burj tower, 61ETA / VOLTAS / Hitachi Plant
JV
Mott MacDonaldPalm Water
SOM / HyderEMAAR
ADWEA
Jun-07
Power Flow Engineering LLC
BK Gulf
FEWA
FEWA
HalcrowPALM DISTRICT
COOLING LLC
Gov. of Dubai
MKM CH LLC
62
65 Jumeirah Lake Towers DC4
2X32 MLD SWRO Plant Plot: DD
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
LV Short Circuit Calculation - Level 40 (MDB 1A & 1B, 2A &
2B, 3A & 3B)Sep-10
LV Protection Setting Calculation - Level 40 (MDB 1A & 1B,
2A & 2B, 3A & 3B)Sep-10
LV Short circuit calculation - Level 135 (135MDB 1A&1B) Nov-10
LV Protection setting calculation - Level 136 (136MDB
1A&1B)Mar-11
LV Protection setting calculation - Level 135 Mar-11
LV Short circuit calculation - Level 155 (155MDB1, 155MDB
2A&2B and 155MDB 3A)Nov-10
LV Protection setting calculation - Level 155 Mar-11
LV Short circuit calculation - WF01 Dec-10
LV Protection setting calculation - WF01 Jan-11
LV Short Circuit Calculation Jun-09
LV Protection Setting Calculation-level 155 Jul-09
60 EPPCO / BPS DANWAY Graded Protection Setting Calculation Jul-07
59 MPB Middle East Factory Jabil Ali Dubai Orion Engineering * Protection Setting Calculation Jul-07
58P468JA - Container Central Terminal Area Jabel
Ali, Phase - L (Yard 16)
DANWAY ( Electrical &
Mechanical Engineering)Protection Setting Calculation
Scott Wilson
Kirkpatric &
Co.Ltd
Nov-07
57PN0402, Dubai World Trade Centre, District
Phase -1Zener Steward Power System Study WSP Nov-07
56Dubai World Central International Airport Phase -
1
Emirates Trading Agency, M &
E DivisionLoad Flow & Voltage Drop Calculation
Dar Al - Handasah
/ ADPIJun-05
55Qatar Power transmission System Expansion-
Phase-VII (GTC/123/2006/AABB AG Earthing Design calculation for 3 Nos. 400 kV SS
Energo Projekt
Fichtner
Consortium
Jun-05
54Qatar Power transmission System Expansion-
Phase-VI (GTC/05/2004)-Part 2
ABB Nexans Consortium
Doha,Qatar.
Earthing analysis &calculations for 13 Nos. 66/11kV
substations (CYME)
Energo Projekt
Fichtner
Consortium
Jun-05
53
Contract No.N-4-609 Power network
development work for industrial city of Abu Dhabi
(ICAD), Eimrates Iron and Steel Factory (EISF)
and Private Emirates steel
Electro Mechanical Co.LLC Abu
DhabiICAD 220kV Substation Earthing Desing Calculation
Lahmeyer
InternationalJun-05
52 Dubai Metro Project - Substation DM -001 JT METRO JV (DURL)Al Karama & Emirates Tower station Earthing Design
Calculation
SYSTRA -
PARSONSJun-05
61 Burj Dubai Development, The Burj tower, ETA / VOLTAS / Hitachi Plant
JV
Government of
Dubai Department
of Civilaviation
KAHRAMAA
Qatar General
Electricity & Water
Corporation
TRANSCO
RTA Dubai
KAHRAMAA
Qatar General
Electricity & Water
Corporation
DPA - Civil
engineering
Department
Dubai World
Trade Centre
SOM / HyderEMAAR
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
51
Project No: CNE/041/2006 Supply, Installation,
Testing & Commissioning of 400kV M Substation
& Associated Works
Hyundai Dudai400kV 'M' Substation Earthing Design Calculation.,
Interconnection wiring diagram
Energo Projekt
Fichtner
Consortium
Jun-05
50Palm Jumeirah Trunk T1 chiller plant -Temparary
Power applicationsBK Gulf LLC,Dubai Protection Setting Calculation Hyder Consulting Jun-05
49Dubai World Central International Airport Phase-
1 JXB1/DB/220-Cargo Terminal BuildingETA M&E, Dubai Lighting protection design calculation Dar-Al Handasah Jun-05
48
Dubai International Airport Expansion project-
Phase-2 AX101 Cargo mega terminal
building,Car park&Connecting bridge
BK Gulf LLC,Dubai Protection Setting Calculation Dar-Al Handasah Jun-05
47P468JA- Container Central Terminal Area,Jabel
Ali,Phase-L(Yard 16) Danway,Dubai Protection Setting Calculation Scott Wilson Jun-05
46 132/33kV Substation Kestral project Danway,Dubai Protection setting calculation Lahmeyer
InternationalJun-05
45Snake Pipeline System upgrade for Jet oil
pumps at Jabel Ali Terminal (JAT)Danway,Dubai Protection Setting Calculation
Tebodin Middle
cast LtdJun-05
44Snake Pipeline System upgrade up grade-
booster pumping station (BPS)Danway,Dubai Protection Setting Calculation
Tebodin Middle
cast LtdJun-05
43
Deira city centre (DCC) Major Redevelopmant
Dubai,
UAE (MVB-A,B&C)
ETA M&E 11kV System Protection Calculation&Harmanic Analysis Mott-Macnold Jun-05
42Lion weld kennady factory expansion-Dutco
Group Jabel Ali Complex-Plot no.599-406
Shining shell Electro
machanical LLC,Dubai
11kV System Protection Calculation&Harmanic Voltage drop
short circuit studyDubai consultants Jun-05
41 Discovery Gardens District cooling plant 1,2&3 Shinryo Corporation Dubai Protection Setting Calculation
Mariya
Engineering
Consultancy
Jun-05
40
Dubai International Airport Expansion project-
Phase-2 (AX222) duty free wave houses building
& External work
ETA M&E Dubai Earthing Analysis & calculation (CYME) Dar-Al Handasah Jun-05
39Jumeira Palm Water treatment plant on Plot: DD
& GG.
Power flow Engineering,
AbuDhabi
Earthing analysis & calculations for 11/0.4kV Substation.
(CYME Software)Mott-Macnold Jun-05
38Unit-III Taweela water project of 33/11kV
SubstationDANWAY, AbuDhabi.
Earthing analysis & calculations for 33/11kV Substation.
(CYME Software)
Tebodin
consultantJun-05
37Earthing design calculation for Industrial city - 2,
DubaiAMBCT, Dubai
Earthing analysis & calculations for Industrial city - 2 (CYME
Software)Jun-05
Department of civil
Aviation
Palm Water
ADWEA
DEWA
EPPCO Aviation
MAF Investment
LLC
Lion weld kennady
middle east LLC
Palm District
cooling LLC
Department of civil
Aviation, Dudai
Dubai Port
authourity Civil
Engg Dept
DUBAL
EPPCO Aviation
Department of civil
Aviation, Dudai
DEWA Dubai
Palm District
cooling LLC
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
36 Burj Dubai Development, The Burj towerETA / VOLTAS / HITACHI Plant
JVDC Calculations for Burj tower Hyder Consulting Jun-05
35 DUBAL Power Area – CCPP22 ALSTOM Power Centrales Site measurements Lah Meyer
InternationalJun-05
34Earthing design calculation for 3 Substations at
UAE
Federal Electricity & Water
Authority, Dubai
Earthing analysis & calculations for 3 Substations. (CYME
Software)Jun-05
33 Burj Dubai Development, The Burj towerETA / VOLTAS / HITACHI Plant
JVShort circuit and Voltage drop calculation of LV Network tower Hyder Consulting Jun-05
32Measurement of Soil resistivity for Jebel Ali
Airport city Phase-1 activities, DubaiETA M&E, Dubai Soil resistivity Measurement Jun-05
31Measurement of Soil resistivity for Industrial city -
1 & 2, DubaiAMBCT, Dubai Soil resistivity Measurement Jun-05
30
Supply, Installation, Testing & Commissioning Of
33kV Capacitor Banks At Existing 132/33kV
Substations
DANWAY, Dubai Protection Setting Calculation Jun-05
29Installation, Testing & Commissioning of
132/33kV Substation in Northern EmiratesDANWAY, Dubai
132/33/11kV Gurfa Substation Control cable interconnection
schedule preparationJun-05
28BINANI Cement Factory LLC at Jebel Ali IND.
Area Plot no. B-233
BINANI Cement Factory,
Jebel AliShortcircuit,voltagedrop and Graded protection study analysis Jun-05
27
ADWEA Contract # G1322 - A new 132/11kV
substations and associated - 132kV Cable
connections AT W16
ABB Transmission &
Distribution LTD, 11/0.4kV Unit & Graded Protection Setting Calculations
Lahmeyer
InternationalJun-05
26
FEWA Contract NO. E06/04(1) – Installation,
Testing & Commissioning of 132/33kV
substations including SCADA & communication
systems in west areas of northern emirates-
electrical works
Centaur Electro Mechanical
Contracting Co. Dubai
Complete Unit Protection and Graded Protection Setting
calculations for 132/33/11kV substations Jun-05
25Astra polymer compounding company Jabel Ali -
Dubai., 11/0.690kV substation.Astra Polymer Dubai
Computation of short circuit, voltage drop, graded protection
settings and hormonic analysisJun-05
24
ADWEA Contract No. G1296 Supply and
Installation of 33kV package substation with
associated 33kV OHL & cable works in Al Ain
area.
Larsen & Tourbo Ltd.
Al Ain
33/11kV Short Circuit, Unit Protection including distance
protection and Graded Protection CalculationsSWED POWER Jun-05
23ADCO Project- NEB Phase -1 33/0.4kV
substation
Abu Dhabi company for
Onshore Oil Operations33/0.4kV Unit & Graded Protection Setting Calculations ADCO Jun-05ADCO
DEWA,
FEWA
DEWA
ADWEA
DEWA
DEWA
DEWA,
FEWA
EMAAR
DUBAL
FEWA
EMAAR
AADC
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
22Adding 2000KVA transformer to AKS 33kV
SubStationAl Khaleej Sugar, Dubai
Short circuit study & calculations from sea side crane & silo
MDB to 33kV I/C panelJun-05
21Jumeira beach residance project-District cooling
system package No. 0520
Power Equipment Ltd, and
Drake & Scull Dubai
Electrical system study (short ckt calculation, motor starting,
Harmonic, protection calculation & protection co-ordination
study)
Hyder Consulting Jun-05
20New administartion building for Ruwais Refinery -
ADNOC, Takreer
Universal Voltas LLC,
Abu Dhabi
11/0.4kV Short circuit analysis & protective device time-
current co-ordination analysisADNOC Jun-05
19Electric supply ti Oil extraction plant on plot no,
B003F01, JAFZ (proposed S/S JF0508
Gulf Import & Export /
Emirates Trading Agency
(M&E Division)
Short Circuit and Protection coordination calculations Jun-05
18 Dubai Marine North Towers Project Emirates Trading AgencyMV Switchgear Short Circuit, Protection Coordination
CalculationsMott-Macnold Jun-05
17SAFRAN Project 11/0.4kV System Protection
Calculation
Danway Electrical & Mechanical
Engineering LLC11/0.4kV Protection Setting Calculation
Stanley
Consultants INCJun-05
16Measurement of Soil resistivity for 5 Substations
at UAE
Federal Electricity & Water
Authority, Dubai
Soil resistivity Measurement by using Wenner 4 electrode
methodJun-05
15 Dubai Investment Park York International, Dubai 11kV System Study Phase 3 Development Jun-05
14Measurement of Earth impedance, Step & Touch
voltages 33/11kV for 5 substations Al Ain.
ABB Transmission &
Distribution LTD, Al AinEarthing System Test & Site measurements SWED POWER Jun-05
13ADWEA Project - 11/0.4kv Distribution
substation at Abu Dhabi & Al Ain
Siemens- Electro Mechanical
Company, Abu Dhabi
Earthing Resistance Computations for 20 Substations
11/0.4kV
ESBI
PB POWER Jun-05
12Measurement of earth impedance, Step & Touch
voltages 132kV substation at W16, Abu Dhabi
ABB Transmission &
Distribution LTD, Abu DhabiSite measurements
Lahmeyer
InternationalJun-05
11 ADWEA Project - 33/11kV Substation at Al AinABB Transmission &
Distribution LTD. Abu DhabiEarthing analysis & calculations (CYME Software) SWED POWER Jun-05
10ADWEA Project- 132kV substation at W16, Abu
Dhabi
ABB Transmission &
Distribution LTD. Abu DhabiEarthing analysis & calculations (CYME Software)
Lahmeyer
InternationalJun-05
9District cooling project Z16P15 11kV system
protection for Dubai Festival City
Drake & Scull International,
Dubai
Step by step manual protection setting calculation&Harmonic
Analysis.NEB Jun-05
8Measurement of earth impedance, Step & Touch
voltages 33kV substation at Taweela
Siemens- ElectroMechanica
Company , Abu DhabiSite measurements PB Power Jun-05
DEWA
AADC
DEWA
DEWA
JBR
DEWA
FEWA
ADWEA
Takreer & ADNOC
ADDC,Madinat
Zayed Town
ADWEA
DEWA
ADWEA
ADDC & AADC
ADWEA
Twinvey Experience list
No. Project Name Contractor Study NameCompleted
DateClient / Consultant
7Measurement of earth impedance, Step & Touch
voltages 132kV substation at Taweela
Siemens- ElectroMechanical
Company , Abu DhabiSite measurements PB Power Jun-05
6220, 132 & 33kV Substations Earthing design
calculationsHyundai Earthing analysis & calculations (CYME Software)
Lahmeyer
InternationalJun-05
5Shifting the existing 11/0.4kV substation to an
Adjacent locationAl Khaleej Sugar, Dubai Feasibility study Jun-05
4Additional 33kV switchgear at Al Era'ad &
Maziyad 220/33kV grid S/S
ABB Transmission &
Distribution Ltd, 33kV OHL Distance Protection Setting Calculations SWED POWER Jun-05
3Qatar transmission system-Expansion phase -V
GTC/13/2003
VATECH , Abu Dhabi for Doha,
Qatar
Earthing analysis & calculations for 1 new 132/66/11kV
substation (CYME Software)PB Power Jun-05
2Qatar transmission system- Reinforcement
Works GTC/21/2004Siemens Ltd, Doha, Qatar
Earthing analysis & calculations for 3 Extensions 132/66/11kV
substations (CYME Software)PB Power Jun-05
1Qatar transmission system-Expansion phase-V
GTC/13/2003 Siemens Ltd, Doha, Qatar
Earthing analysis & calculations for 5 new 132/66/11kV
substations including site measurements (CYME Software)PB Power Jun-05
KAHRAMAA
Qatar General
Electricity & Water
Corporation
ADWEA
ADWEA
DEWA
KAHRAMAA
Qatar General
Electricity & Water
Corporation
KAHRAMAA
Qatar General
Electricity & Water
Corporation
AADC
Twinvey Experience list