SEL/OFF/19/163
18/Apr/19 Sales Contact
Md. Rezaul Karim
Mr Assistant Engineer
Ashim Solaiman 01811-412-306
Niketon, Gulshan engr.rezaul@shaktibd.com
Dhaka
Subject: Techno-commercial offer for supply, installation, testing and commissioning of 150 kVA substation for
your project.
Dear Sir,
We thank you for your interest in Shakti Engineering Ltd. and for giving us the opportunity to submit our technical
and commercial offer - which we believe will satisfy your specified and stringent requirement.
We are manufacturing and supplying Transformer and Substation Equipment since 1986 and have the previlege of
supplying to numerous Private Industries, Government and Semi Government Organisations.
We have manufactured, supplied, installed and comissioned Substation upto 5000 kVA capacity along with HT/LT
Switchgear and PFI Plant. Our supplied equipment are operational with great customer satisfaction in totaling to
more than 1000 projects countrywide.
We hope that, you will find our offer to be acceptable and favour us with your valuable order.
Thanking you and assuring you of our best services.
Yours faithfully,
for Shakti Engineering Ltd.
Engr. Anjan Basu Engr. Tanmoy Sarker Md. Rezaul Karim
General Manager Deputy General Manager Assistant Engineer
Cell: 01841-034-467 Cell: 01811-412-311 Cell: 01811-412-306
COMMERCIAL OFFER
SN Description of Items Unit Qty Rate Amount
PART-A: Equipment
A-1 Transformer (150 kVA) Nos 1 299,600 299,600
A-2 LT Switchgear (250 A) Nos 1 164,500 164,500
A-3 PFI Plant (90 kVAR) Nos 1 139,547 139,547
A-4 11 kV Drop out Fuse Set 1 8,000 8,000
A-5 11 kV Lightning Arrester Set 1 5,000 5,000
A-6 11 kV Heat Shrink Set 2 1,500 3,000
A-7 Carrying at Teknaf Job 1 30,000 30000
SUB-TOTAL (Tk.) 649,647
PART-B: Installation & Earthing
B-1 Earthing Set 4 18,000 72,000
B-2 Installation Job 1 35,000 35000
SUB-TOTAL (Tk.) 107,000
PART-C: Miscellaneous Expenses
C-1 Misc. fee for ELB Permission at Ground Floor Nos 1 45,000 45,000
SUB-TOTAL (Tk.) 45,000
PART-D: Cable (BRB)
D-1 H.T. Cable 3c X 50 mm2 (XLPE) metre 1 2,532
D-2 L.T. Cable 1c X 70 mm2 (NYY) metre 1 642
D-3 PFI Cable 1c X 50mm2(NYY) metre 1 468
D-4 Earthing Cable -1c X 16mm2 (BYA) metre 1 181
D-5 Earthing Cable -1c X 10mm2 (BYA) metre 1 115
PART-E: Govt. Fee
E-1 Security Deposit kW 120 1,000 120,000
E-2 Shut Down Job 1 5,500 5,500
SUB-TOTAL (Tk.) 125,500
COST SUMMARY
SN Description of Items Amount
A Equipment 649,647
B Installation & Earthing 107,000
C Miscelleneous Expenses 45,000
E Govt. Fee 125,500
GRAND TOTAL (Tk.) 927,147
TRANSFORMER PARTICULARS
150 KVA DISTRIBUTION TRANSFORMER:
11/0.415 kV, 50 Hz, 3 Phase, 4 Wire oil immersed naturally cooled (ONAN) type transformer with 3 HT & 4 LT
bushing arranged on tank top conservator, oil level indicator, drain & filling valves, lifting lugs with first filling of
transformer.
TECHNICAL DATA
Rated Capacity : 150 kVA
Rated Frequency : 50 Hz
Rated Voltage :
~ Input Voltage : 11000 Volt
~ Output Voltage : 415 Volt
Vector Group : Dyn11
Tapchanger (Off-Load) : 5 Position (0, +/-2.5%, -5%, -7.5%)
0
Ambient Temparature : 40 C
Temparature Rise :
0
~ In Oil (max) : 60 C
0
~ In Coil (max) : 65 C
Star point brought out and loadable upto : 100 %
Max Service Altitude : 1000 meter
Installation : Indoor
No Load Loss : 321 Watt
Load Loss : 2460 Watt
Impedance : 4 %
Accessories : Silica Gel, Breather, Thermometer
Tolerance : As Per IEC 60076
STANDARD : IEC 60076
ORIGIN
Silicon Steel : USA/Japan/Korea
Super Enamelled Wire : BRB/Gazi (Bangladesh)/Equivalent
Insulating Materials : Italy
Copper Wire/Strip : Singapore/Malaysia/India (Processed in Bangladesh)
Transformer Oil : Electrol/Sabita/Apar (India)
MANUFACTURED BY: SHAKTI ENGINEERING LTD.
LOW TENSION SWITCHGEAR PARTICULARS
250 A LOW TENSION SWITCHGEAR:
16 SWG sheet steel clad, dust and vermin proof free standing floor mounting indoor type, 415 V, 50 Hz, 3 Phase,
4 Wire with electrolytic copper busbars of adequate rating, TP&N with followings:
Qty Description of Items
INCOMING
1 250 A, 36 kA TP MCCB with thermal overload & magnetic short circuit protection releases.
4 CT of ratio 250/5 A and 1 CT of ratio 150/5 A with suitable accuracy and burden.
1 Multifunctional Meter ( V, A, Hz).
1 Set of control fuse.
3 Indicating Lamps for R, Y, B.
OUTGOING
1 160 A 25 kA TP MCCB with thermal overload and magnetic short circuit protection release for PFI.
1 100 A 25 kA TP MCCB with thermal overload and magnetic short circuit protection release for Load
2 40 A 3 kA TP MCCB with thermal overload and magnetic short circuit protection release for Load
BRAND & ORIGIN
MCCB : ABB-Italy
MCB : ABB- Germany
FABRICATION & ASSEMBLY: SHAKTI ENGINEERING LTD.
POWER FACTOR IMPROVEMENT PLANT
90 kVAR PFI PLANT:
16 SWG Powder Coated sheet steel clad, free standing, floor mounting 415V, 3-Phase indoor type auto
controlled PFI Plant with hard drawn copper busbars equiped with followings and painted with anti rust paint.
Capacitor Bank
Fixed 2.5 KVAR Bank of TP dry type power capacitors with built-in discharge resister.
Stage - 1 2.5 KVAR Bank of TP dry type power capacitors with built-in discharge resister.
Stage -2 5 KVAR Bank of TP dry type power capacitors with built-in discharge resister.
Stage - 3 10 KVAR Bank of TP dry type power capacitors with built-in discharge resister.
Stage - 4 20 KVAR Bank of TP dry type power capacitors with built-in discharge resister.
Stage - 5 25 KVAR Bank of TP dry type power capacitors with built-in discharge resister.
Stage - 6 25 KVAR Bank of TP dry type power capacitors with built-in discharge resister.
Other Components
160A, 25KA, TP MCCB with adjustable thermal overload and adjustable magnetic short - circuit
1
releases FOR PFI INCOMING.
1 6 stage automatic power factor correction relay.
7 Circuit Breaker of adequate rating.
6 TP Magnetic Contactor of adequate rating.
6 Indicating Lamps and 1 Set Control Fuse.
6 Micro Switch of adequate rating.
BRAND & ORIGIN
Capacitor : Frako-Germany
PFI Relay : Mikro (Malaysia)
Magnetic Contactors : Togami Japan
Circuit Breakers : Chint (China)
MCCB : ABB-Italy
FABRICATION & ASSEMBLY: SHAKTI ENGINEERING LTD.
DOF, LA, HEAT SHRINK, EARTHING & INSTALLATION PARTICULARS
11 kV Dropout Fuse:
Rated Voltage(Nominal) : 11 kV
Rated Max. Voltage : 15 kV
Rated Frequency : 50 Hz
Rated Current RMS : 100 A
Rated Fuse rating : 50 A
Interrupting Current RMS : 10 kA
BIL : 75 kV
Withstand Test Voltage :
~Dry, 1Min. : 35 kV
~Wet, 10 Sec. : 30 kV
11 kV Lightning Arrester:
Rated Voltage (Nominal) : 11 kV
Rated Voltage (Maximum) : 12 kV
Rated Frequency : 50 Hz
Maximum Spark Over (RMS) : 40 kV
Minimum Spark Over (RMS) : 40 kV
Maximum Impulse Spark (Crest) : 40 kV
Withstand Voltage :
~Dry, 1Min. : 28 kV
~Wet, 10 Sec. 28 kV
Impulse Current Withstand : 55 kA
Discharge - 33 kV : 5 kA
Heat Shrink:
Heat Shrink of adequate size for HT Cable
Earthing:
4 nos. 100 feet long earthing electrode, each with 40 feet GI pipe of 1 inch dia shall be installed by tube well
sinking method. 4 SWG earthing lead conductors shall be continuous and no joint shall be allowed in a run
between earthing electrodes and earthing/neutral point in the transformer or substation equipment.
Installation:
as per IEC 60076 Standard
TERMS & CONDITIONS
1.0 Validity : This offer is valid for 30 calendar days . Offered price is subject to revision upon expiry
of this validity.
2.0 Delivery : Within 4-6 weeks from the date of receipt of confirmed work order and realization of
payment as per agreed terms.
3.0 Origin : As stated in our technical offer or equivalent.
4.0 Mode of Payment : Client to release payments in favor of Shakti Engineering Ltd.
(a) Client to release 50% of total contract value as advance along with work order.
(b) Client to release 40% of the total contract value before delivery of Equipment.
(c) Client to release balance 10% payment after installation.
5.0 VAT/Tax : No VAT is to be deducted from our bill. We are manufacturer and we pay VAT before
delivery of our supplied items. Original Mushak Challan will be provided at the time of
delivery. AIT is included in our offer.
6.0 Warranty : We provide warranty of our supplied equipment against any manufacturing, material
and workmanship defect for a period of 12 months from the date of delivery.
7.0 Change/Revisions : Change and/or revision of this offer shall be entertained with a clearly defined written
instruction by client, such change/revision(s) may lead to a variation in the price and
delivery period.
8.0 Maintenance : We encourage you to sign a maintenance contract under separate offer for routine
check up your sub-station after expiry of waranty period .
9.0 Assumptions :
(a) All govt. fees will be paid by client at actual.
(b) All civil works will be carried out by client on their own responsibilities.
(c) Necessary permission from corresponding authorities will be arranged by client
within prescribed time.
(d) Necessary documents will be provided by client within prescribed time.
(e) Supply of Cable, single/three phase meter, Energy meter, RMU and related expense,
Pole extension, Earthing, OH line extension etc. will be in client's scope - if not quoted
particularly.
(f) Changes of price and delivery period due to new rule/policy (if any) set by govt. or
relevant authorities will be on your account. We believe you will understand the matter
as all are under Government rules and regulations and beyond our control.
10.0 Alternative Offer : We always welcome you to ask us for alternative offer with different engineering
solution, in-order for you to meet financial and/or technical obligations.
