400/132/33kV Substation at Kharagpur of Rashmi Metalliks

Scope of Work :

The Scope of Satcon includes the following for Design and Engineering of the 400/132/33kV Step down substation :

a. Site visit to assess the conditions at the substation plot.

b. Preparation of Project BOQ, Budget and Schedule.

c. Submission of Key SLD, Substation layout plan and elevation.

d. Submission of Electrical layout plan and elevation of the ECR & SPR.

e. Submission of Technical specs of electrical equipment like 400kV and 132kV Switchyard equipment, Transformers, Conductors/clamps & connectors/hardware, Insulators, Substation automation system, 33kV Outdoor equipment, Control & Relay panels, Battery and battery chargers, LV AC & DC DBs, Lighting and small power system, Power and control cables, Cable termination kits, Fire detection and alarm system, Firefighting equipment, Fire extinguishers, HVAC and CCTV equipment etc.

f. Submission of detail engineering drawings and design calculations like, but not limited to :

1. Protection and metering SLD of the 132/400kV Substation.

2. SLD of LV AC & DC DBs.

3. Erection key diagram – Plan & Elevation and BOM.

4. Clearance diagram of 400kV Switchyard.

5. Earthing layout, BOM and Earthing calculation.

6. Direct stroke lightning protection layout, BOM and DSLP calculation.

7. Outdoor cable trench layout, trench sectional details and BOM.

8. Indoor cable trench layout of ECR & SPR, trench sectional details and BOM.

9. Indoor and outdoor illumination layout, SLD, BOM and Lighting calculation by Dialux.

10. Battery ad battery charger sizing calculation.

11. Sag & Tension calculation.

12. Short circuit force calculation for overhead strung bus and rigid tubular bus.

13. 33kV Power cable sizing calculation.

14. Power and Control cable schedule and Interconnection diagram.

15. Overhead conductor and AL Tube bus sizing calculation.

16. Load flow study by ETAP upto 33kV level of RML-4.

17. Short circuit study by ETAP upto 33kV level of RML-4.

18. Load flow and short circuit study shall consider the power and fault contribution of RML-1, 2, 3 & 5 units while deciding the rating and size of the 132kV common bus.

19. Protection coordination study and relay setting calculations for 400kV, 132kV and 33kV system of the new substation.

20. Fabrication and shop drawings of 400kV and 132kV gantry towers, beams and equipment support structures. All Equipment support structures shall be pipe type as per PGCIL standard.

21. Architectural layout plan & elevation of the ECR & SPR.

22. Geotechnical investigation test layout plan showing the test points.

23. Civil drawings of all Switchyard equipment foundations, cable trenches, internal road, pathways, surface drainage, Transformer oil pits, Burnt oil tank, sump pit for drainage, culvert for cable crossing of road by cable trenches, Switchyard fence and gate.

24. Civil drawing of foundation, column, beams slabs of ECR & SPR.

25. Fire detection and alarm system layout with BOM for the ECR & SPR.

26. Substation Automation system block diagram.

27. SAS I/O list.

28. Air conditioning and ventilation system layout and BOM for the ECR & SPR.

29. Fire protection system layout and BOQ.

f. Contour survey of the substation plot and submission of survey drawing.

g. Bid evaluation of offers and submission of recommendation reports.

h. Providing clarification to bidders.

i. Vendor drawing review and approval.

j. Deputation of engineer at site for supervision of civil work, electromechanical erection, testing and commissioning.

k. Submission of As built drawings.

l. Inspection of Equipment at manufacturer’s works limited to 5 man days.

225/30kV New Substation at Bafoula in Gabon

Scope of Work :

The scope of work shall include the following for the installation of 225/30kV Main Receiving Substation (MRSS) at Bafoula, 225kV Transmission Line (10km), and 1x225kV Line Bay Extension at existing Maunda Substation in Gabon :

a. Overall Design Engineering including Civil, Mechanical (HVAC only), Electrical & Instrumentation/ Communication supporting to CCTP (End User spec.) supporting to Project requirement for MRSS & GSS Bay.

b. Review and approval of Steel structural drawings prepared by Solen with respect to structural design calculations of 225kV and 30kV Gantry and Equipment support structures to be prepared by Satcon.

c. Review of Preliminary GTP of major equipments (prepared by Solen).

d. Review of Datasheet/ GTP, Drawing etc. of major Equipments (prepared by manufacturer) for manufacturing.

e. Review of QAP, MQP, Type test report of all major items (prepared by manufacturers).

f. Design and engineering of SCADA/SAS integration among substations as per CCTP.

g. Review, commenting and one time checking of compliance with Satcon’s comments for Transmission Line detail design (Electrical, Civil & Structural) drawings and documents prepared by the supplier.

h. Review, commenting and one time checking of compliance with Satcon’s comments for Balance Transmission Line Design documents (Conductor, OPGW, earth wire, hardware, earthing etc) to be submitted by the supplier.

i. Review of Site ITP, FQP.

j. Inspection of Items FOTE, PLCC, SAS, CRP.

k. Review of Inspection test reports of balance major items.

l. Preparation of Civil BOQ for MCR, Switchyard & GSS area, Mechanical & Electrical BOQ for subcontractor finalization.

m. Review of SAT Test List of Equipments, Pre-commissioning test procedure for substation charging.

n. Review of Test Report (Civil & Electrical).

o. Load flow analysis, Short-circuit calculation and Relay coordination for all relevant protection functions of the interconnecting network/ substations through ETAP software.

p. Visit to Gabon, if required on man day basis.

q. Deputation of Electrical engineer at site for supervision and assistance in Testing commissioning during site commissioning on man month basis.

33/6.6kV Temporary Substn. at Haldia Dock Complex

Scope of Work :

The scope of work includes the following design and engineering services for “Laying of 33 KV cable from HDC Chiranjibpur sub-station to GBTPL project site to Berth side along with installation of temporary 33/6.6kV sub-station" of Ganges Bulk Terminal Pvt. Ltd. in Haldia, W.B.

1. Design detailing of Isolator, Insulators & allied structure at 33 KV Port Switchyard.

a. Single line diagram mentioning the rating of equipment and method of tapping from existing switchyard.

b. Layout plan & elevation of 33kV Bay modification.

c. Electrical layout of existing control building showing the location of new panels.

d. Structural GA drawing and design calculation of support structures of 33kV Isolator, CT, PT, LA, PI and Cable termination.

e. Foundation drawing and design calculation of 33kV Isolator, CT, PT, LA, PI, Cable termination and VCB.

2. Selection of Lightening Arrestor, CT & PT at 33 KV Port Switchyard.

3. Selection of 33 KV VCB and necessary protection system.

a. Protection and metering SLD of the 33kV Bay.

b. Specification of 33kV VCB.

4. Drawing development of cable supporting structure.

5. 33 KV Cable specification and length with jointing kit.

6. SLD, Electrical Layout and Cable trench layout of 33/6.6kV Temporary substation.

7. Detailed specification of 33kV/6.6 kV, 6 MVA Transformer.

8. Specification of 6.6kV grade cable with end termination kit.

9. Specification of 6.6kV/433 volts 1250 KVA Transformer.

10. Earthing system.

a. Earthing system design calculation, layout and BOQ for 33kV bay at Port Switchyard.

b. Earthing system design calculation, layout and BOQ for 33/6.6kV Temporary substation.

12. Battery and Battery Charger.

a. Battery and Battery charger sizing calculations for,

i. 33/6.6kV Temporary substation

ii. 33kV bay extension at Port Substation.

13. Power Factor correction equipment.

a. APFC sizing calculation, SLD and Technical specification.

14. 1.1 kV grade power and control cables.

a. LV Power and control cable schedule and interconnection chart for 33kV bay at Port switchyard.

b. LV Power and control cable schedule and interconnection chart for 33/6.6kV Temporary substation.

c. Technical specification of LV Power and Control cables.

15. DCDB, MLDB , Lighting of Berth area and sub station area

a. SLD of 110V DCDB.

b. SLD of 415V Main Lighting Dist. Board (MLDB).

c. Lighting layout, SLD and BOQ of Berth area.

d. Lighting calculation of Berth area.

e. Lighting layout, SLD and BOQ of 33/6.6kV Temporary substation.

f. Lighting calculation of 33/6.6kV Temporary substation.

16. Control Panels.

a. Technical specification of the 33kV Control and Relay panel at Port Switchyard.

17. Welding distribution board equipments at berth area.

a. SLD and Technical specification of Welding dist. Board for Berth area.

18. Contractors’ scope of work and BOQ

a. Preparation of detail BOQ of Electrical, civil and structural work for installation of 33kV Bay at Port switchyard, 33/6.6kV Temporary Substation.

b. Technical specification of Erection, Testing, Commissioning, Civil and Structural works of 33kV Bay at Port switchyard, 33/6.6kV Temporary Substation.

19. Vendor drawings review and approval of the following bought out items :

a. 33kV CB, CT, PT, LA, BPI, Cable termination at Port switchyard.

b. 33kV Control & Relay panel at Port Switchyard.

c. 33kV Cable with Jointing kits.

d. 33/6.6kV, 6 MVA Transformer.

e. 33kV Indoor switchgear.

f. 6.6kV Indoor switchgear.

g. 6.6/0.433kV Transformer.

h. 6.6kV Unit substation with 415V Switchgear.

i. APFC panel and capacitors banks.

20. Preparation of Civil and structural drawings for temporary substation :.

Our scope shall include the following under this item :

a. Civil Design calculation for foundation, plinth beam, lintel beams, indoor cable trenches and floor slab of the temporary substation.

b. Structural design calculation of columns, Roof beams, Roof shed of Temporary substation.

c. Civil drawings of foundation, plinth beam, column, lintel beams, indoor cable trenches, floor slab and roof level beams of the temporary substation.

d. Steel structural detail drawing with BOQ for Columns, Roof beams and steel Roof shed of Temporary substation.

21. Preparation of As built drawings of drawings prepared by Satcon.

230/13.8kV GIS substn of 500MW Data Center in USA

Scope of Work :

The scope of work shall include basic and detailed design and engineering services for electrical, civil, structural, I & C and mechanical works of the 230/13.8kV, 12 x 90MVA (plus 3 nos. Trafo as stand by) GIS substation in Cleveland County, North Carolina, USA. Our services shall include procurement support (Technical specs, Bid evaluation and vendor drawing review), shop drawings and IFCs for the following works of the Substation :

- 230kV Gantry and Switchyard equipment to receive Power from the utility by 2 feeders.

- 230 KV GIS Housed in a Structural PEB.

- 12 x 90MVA Power Transformers with RTCC, Nitrogen injection fire protection system (NIFPS) and online gas analyser + 3 stand by transformers.

- 13.8kV GIS mounted in E-Houses.

- 2 x 13.8/400V Earthing Transformers (Hermitically sealed type).

- 13 nos. 13.8kV Earthing reactors.

- 480V AC DBs, 125V DC and 48V DC DBs and downstream power supply to various auxiliaries and Lighting / small power.

- 125V Battery and Battery charger for 230kV system.

- 125V Battery and Battery charger for 13.8kV system,

- 48V Battery and Battery chargers for communication system.

- Civil and Steel structural works.

- Heating, ventilation and air conditioning system of the PEB and E-houses.

- Sanitary, plumbing and water supply system.

- Fiber optic communication system (voice and data, protection signalling).

- Fire detection and alarm system (FDA).

- Fire fighting system by clean agent gas based system and portable extinguishers.

- Misc. EHV, MV, LV and Instrument cabling.

- Cabling related to SCADA and Fiber optic communication system.

- Emergency DG set for power supply to essential loads if normal power supply fails.

Designs shall comply with American standards and IEC, Eurocode as applicable.

345/34.5/13.8kV GIS substn of 600MW Data Center in USA

Scope of Work :

The scope of work includes basic and detailed design and engineering services for electrical, civil, structural, I&C and mechanical works of the 345/34.5kV, 3 x 180MVA and 345/13.8kV, 9 x 90MVA GIS substation (in Indiana, USA) including procurement support (Technical specs, Bid evaluation and vendor drawing review), shop drawings and IFCs for the following works of the Substation :

- 345 KV GIS Housed in a Structural PEB.

- 3 x 180MVA Power Transformers with RTCC, Nitrogen injection fire protection system (NIFPS) and online gas analyser.

- 6 x 90MVA Power Transformers with RTCC, Nitrogen injection fire protection system (NIFPS) and online gas analyser.

- 34.5kV GIS mounted in E-House.

- 13.8kV GIS mounted in E-House.

- 2 x 34.5/480V Station service Transformers (Hermitically sealed type).

- 480V AC DBs, 125V DC and 48V DC DBs and downstream power supply to various auxiliaries and Lighting / small power.

- 125V Battery and Battery charger for 345kV system.

- 125V Battery and Battery charger for 34.5kV and 13.8kV system,

- 48V Battery and Battery chargers.

- Civil and Steel structural works.

- Heating, ventilation and air conditioning system of the PEB and E-houses.

- Sanitary, plumbing and water supply system.

- Fiber optic communication system (voice and data, protection signalling).

- Fire detection and alarm system (FDA).

- Fire fighting system by clean agent gas based system and portable extinguishers.

- Misc. EHV, MV, LV and Instrument cabling.

- Cabling related to SCADA and Fiber optic communication system.

- Emergency DG set for power supply to essential loads if normal power supply fails.

Designs shall comply with American standards and IEC, Eurocode as applicable.

132/33kV, 2x50MVA Grid substn at Bhorey of BSPTCL

Scope of Work :

The scope of work shall include design, engineering, preparation of basic and detail engineering drawings, design calculations and BOM for electrical, civil, structural, CCTV and Substation automation systems of the 2x50MVA, 132/33KV GSS Bhorey (Gopalganj District) including residential quarters and Construction of 02 nos. of 132KV Line bays at 132/33KV existing GSS Hathua of BSPTCL. The list of deliverables will be as follows :

1. Electrical drawings such as,

Key SLD,
Protection and metering SLD
Electrical layout plan & elevation of 132/33kV Switchyard
Erection key diagram
Earthing calculation, Layout and BOQ
Outdoor cable trench layout plan & details
Direct Stroke lightning protection (DSLP) layout and calculation
Lighting layout, SLD and BOQ of 132/33kV Switchyard
BMK Terminal plan
CT/CVT/PT JB terminal plan
LV Power and control cable schedule and interconnection diagram
SCADA Block diagram and I/O list
Fiber optic communication system drawings
Electrical design calculations such as Sag & tension calculation, Short circuit force calculation, CT/VT sizing calculation, Battery and battery charger sizing calculations etc.

2. Steel Structural drawings:

GA drawings of all 132kV and 33kVkV Gantry towers, beams and Lightning masts.
GA drawings of 132kV and 33kV Equipment support strurctures - pipe type.
Structural design calculations of 132kV and 33kV Gantry towers, beams and Equipment support structures

3. Civil drawings and Design calculations of :

Foundation drawing and design calculation for 50MVA Power transformers, Oil pit and burnt oil tank, 132kV and 33kV gantry tower and Equipment supports, Lightning mast, Station aux. transformer, DG set concrete pad
Control building, Staff quarter, Officer's quarter, Dormitory, Pump house
Boundary wall and main gate
Outdoor cable trenches and surface drainage system
Internal roads and approach road (Bituminous)
Switchyard fence and fence gate

220/132kV, 3x33.33MVA Grid substn at Tahliwal of HPPTCL

Scope of Work :

Our scope of work includes the following services for the 220/132/22kV, 1 x 80/100MVA Tahliwal Substation of HPPTCL in Himachal Pradesh :

a) Complete design, engineering, preparation of basic and detail engineering drawings, design calculations and BOM for electrical, civil, structural, substation automation system and fire detection and alarm system of the 220/132kV Substation.

b) Revision of Substation layout (plan) already prepared at your end.

c) Vendor drawings review and comments for 220/132kV substation.

e) Preparation of ‘As Built’ drawings.

List of deliverables will be submitted in post award stage.

Our scope includes discussion with you / HPPTCL in online / telephone mode to provide clarification on drawings prepared by us.

Battery Limit :

The scope shall start from the 220kV LILO Tower of the existing 220kV Transmission line and shall end at the existing 132kV substation gantry for connection with new 132kV Switchyard. The existing Control building will be extended to house the Control & Relay panels, AC & DC auxiliary panels, Battery bank, Battery chargers, Lighting panels (Normal & Emergency), FOTE / PLCC panels, CCTV panel etc.

33/220kV Pooling Substn in Bikaner, Rajasthan

Scope of Work :

The scope of work included design, engineering, preparation of basic and detail engineering drawings, design calculations and BOM for electrical, civil and structural works of the 220/33kV Outdoor Substation of 400MW Solar Power Plant in Rajasthan. The list of deliverables were as follows :

1. Electrical drawings such as,

Key SLD,
Protection and metering SLD
Electrical layout plan & elevation of 22kv Switchyard
Erection key diagram
Earthing calculation, Layout and BOQ
Outdoor cable trench layout plan & details
Direct Stroke lightning protection (DSLP) layout and calculation
Lighting layout, SLD and BOQ of 220kv Switchyard
BMK Terminal plan
CT/CVT/PT JB terminal plan
LV Power and control cable schedule and interconnection diagram
SCADA Block diagram and I/O list
Fiber optic communication system drawings
Electrical design calculations such as Sag & tension calculation, Short circuit force calculation, CT/VT sizing calculation, Battery and battery charger sizing calculations etc.

2. Steel Structural drawings:

GA drawings of all 220kV Gantry towers, beams and Lightning masts.
GA drawings of 220kV Equipment support strurctues - pipe type.
Structural design calculations of 220kV Gantry towers, beams and Equipment support structures

3. Civil drawings:

Foundation drawing and design calculation for 150MVA Power transformers, Oil pit and burnt oil tank, 220kV gantry tower and Equipment supports, Lightning mast, Station aux. transformer, DG set concrete pad
Outdoor cable trenches and surface drainage system
Internal roads and approach road (Bituminous)
Switchyard fence and fence gate

Projects in which Transm. Line & Substation Consultancy Services are / were provided

Running project : Design, Engineering and Consultancy services for the 132/33kV, 2x60MVA new Substation at Birnin Kudu and 2 x132kV Line Bays extensions at existing Dutse Substation of TCN, Nigeria.

Scope of work :

a. Preparation of Basic & Detail engineering drawings, design calculations and BOQ of all electrical, civil, structural, mechanical, automation and fiber optic communication system works

Running project : Detail engineering services for the 132kV Single circuit Transmission Line (5kM long) from 132kV Line in Line out switchyard to Dasa 132kV Switchyard of Dasa Uranium project, Phase-I in Niger, Africa.

Scope of Work :

1. Design basis report.

2. 132kV Transmission line route layout plan and profile.

3. 132kV Line in Line out plan & elevation layout diagram of the 132kV Transmission li

Running project : Design and Engineering services for “33kV Overhead Line sections - L2, L3, L4
of Power Network Expansion Project in Abu Dhabi UAE of ADNOC - Al Dhafra Petroleum Operation Co. Ltd” in Abu Dhabi, UAE.

Scope of Work :

1. Single Line diagram.

2. Load flow study and equipment sizing.

3. AAAC conductor sizing calculation.

4. Underground cable sizing calculation.

5. Earthing calculation of

Running Project : 220/132/22kV Switchyard including 80/100MVA Power Transformers and Control building extension of HPPTCL at Tahliwal substation :

a. Electrical design and drawings of the 220/132/22kV Switchyard, 100MVA Transformer, 125kVA DG set and Control building.

b. Steel structural GA drawings of various Gantry towers, beams and equipment support structures.

c, Civil design and drawing of the

Completed Project : Engineering Services for DGS Electrical Integration, Zubair & Rafidiya DGS New 33/11kV Substations in Iraq

Scope of work :

1.1. Site visit for preliminary survey, data collection, attending kick off meeting.

1.2. Collection of drawings, technical particulars, test report etc. of the existing substation equipment having relation with the new Substation projects.

1.3. Topographic co

Completed Project : 110/63/15kV Substation at Bangui-B, 63/110kV Boali-1 Substation, 110/15kV Mobile Substation & 110kV Transmission line, Central African Republic

Scope of work : Detail engineering services (electrical, civil, structural, automation, air conditioning system) for 110/63/15kV Bangui-B substation, 63/110kV Boali-1 substation, 110/15kV Mobile substation and 110kV Transmission line ac

Projects in which Transm. Line & Substation Consultancy Services are / were provided

Running project : Design, Engineering and Technical Training services for the 132/33kV, 2x60MVA new Substation at Ekori UGEP and 2 x132kV Line Bays extensions at Calabar and Ikom Substations of TCN, Nigeria.

Scope of work :

a. Site visit for data collection.

b. Basic & Detail engineering drawings, design calculations and BOQ of all works.

c. Fabrication & shop drawings of steel structures in the Swit

Completed project : Prebid Engineering services for the Tanzania – Zambia Transmission Interconnector Project comprising of 6 nos. 400/220/33kV Substations (Lot-1 & 2) and Tunduma 400/330kV Substation (Lot-4) of TANESCO in Tanzania

Scope of Work :

1. Prebid engineering to calculate the BOQ of equipment and materials.

2. Preparation of Substn. Layout drawings - Plan & Elevation, preparation of Electr

Running project : Design and Engineering services for “Construction of 220/33kV, 2X100 MVA GIS substations at Bihpuria & Jakhalabandha and associated Transmission Lines (Package A)” of AEGCL, Assam.

Scope of Work :

1. Preparation, submission and revision of drawings, design calculations and BOQ for Electrical, Civil, Structural, Fire protection, HVAC and Substation automation system works of the

Running Project : Complete Detail Engineering services for 132/33kV, 1 30/40MVA new substation for Muhammad Buhari Industrial Park and 1 x 132kV Line bay extension at existing Dadin Kowa Hydro Electric Power Plant in Gombe, Nigeria. The following is the scope of work :

a. Review the site information including site plans and boundaries including considerations of following to optimize the land are

Completed Project : Engineering Services for DGS Electrical Integration, Zubair & Rafidiya DGS New 33/11kV Substations in Iraq

Scope of work :

1.1. Site visit for preliminary survey, data collection, attending kick off meeting.

1.2. Collection of drawings, technical particulars, test report etc. of the existing substation equipment having relation with the new Substation projects.

1.3. Topographic co

Completed Project : 110/63/15kV Substation at Bangui-B, 63/110kV Boali-1 Substation, 110/15kV Mobile Substation & 110kV Transmission line, Central African Republic