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Offer for the Supply, Installation, Testing & commissioning of Indoor Type 500 KVA Sub-Station equipment

Offer for the Supply, Installation, 

Testing & commissioning of 

Indoor Type 500 KVA Sub-Station equipment 

 

(This is just for Format)

 

 

Ref No: W4U/NOCS/RE-161027/SUB-500/2016.

Date: October, 27, 2016.

 

To,

M/S. M S Enterprise

Md. Miraj Uddin Ahamed

Boyalia, Rajshahi,

Bangladesh.

 
             

Re: Offer for the Supply, Installation, Testing & commissioning of Indoor Type 500 KVA Sub-Station equipment.

 

Dear Sir,

Accept our regards first.

We are pleased to offer best price as per attached quotation & under mentioned terms &Conditions and technical specifications enclosed herewith for your kind consideration.

 

1. Validity          : Our offer will remain valid for a period of 30 days from the date

                             Of this offer.

 2. Delivery         : Within 20-30 days after in receipt of confirm work order &

                              Payment as Per Clause # 3

 3. Mode of         

    Payment         :  50% as an advance along with work order & balance 50% after   

                              Delivery  within  15 days.


4. Warranty          : We warranty the goods of our supply against any defect in

                                Materials of workmanship during manufacturing for a period of

                                12 month equipment from the date of supply subject

                                to non-Repairing/dismantling. The equipment without our

                                Prior permission.

5.  After sales

     Service             : Our trained & skilled engineer & technicians will be available

                                 Within 24 hour notice for any kind of problems related with our

                                 Supplied Equipment’s. All spare parts are available our store.   

                         

6.  Price               :  This price is Excluding TAX & VAT. (Without Transformer)

 

 

TECHNICAL SPECIFICATION

FOR 500 KVA SUB STATION EQUIPMENT

Item

Description

Qty

No

1

11KV H.T.SWITCHGEAR (LBS):-

01No.

Sheet steel clad, dust and vermin proof, free standing floor mounting, indoor type 11KV, 50Hz, High Tension  Switchgear with 600A, TP hard drawn electrolytic copper bus bars and all internal wiring equipped with:

1No-630A,11KV, 20KA breaking capacity TP Load Break Switch

        with automatic tripping mechanism whenever any of the fuses

        Blow and arrangement For manual tripping.

2Nos-11KV double pole open-delta type cast resin Potential

            Transformer with ratio: 11/.11KV, 50VA, Class 0.5 for metering.

1No-6A TP, MCB for PT secondary protection.

1No-Voltmeter, range: 0-15KV with selector Switch.

3 Nos-Cast resin insulated,11KV dry type Current Transformer (CT)

            With ratio: 30/5A, with Suitable accuracy class and burden.

3Nos-Ammeter, range: 0-30A.

1No-11Kv, 630A HRC fuses with rupturing capacity not below 20KA,

            Striker pin plunger of tripping of LBS mechanism.

2Nos- Indicating Lamps ON/OFF.

1No- Panel Heater.

Origin of LBS: F & G, Germany


Item

Description

Qty

No

2

Three Phase Distribution Transformer - 500KVA:-

01No.

The Transformer are designed and manufactured in accordance with the IEC-60076 Standard. 3 Phase oil immersed, naturally air cooled Transformer according to VDE / IEC / BSS standard with 3 HT. Bushing & 4 LT. Bushing arranged on tank top, conservator, oil level indicator, drain and filling valves, lifting lugs, rollers filled with insulation oil.

 

Specification of 500KVA Three Phase Distribution TRANASFORMER

 

01.  Standard                              : IEC-60076

02. Rated Capacity                     : 500KVA

03. Rated Voltage at No Load    : 11000/415/240 V

04. Rated Frequency                   :  50Hz

05. No. of Phase                          : Three

06. Cooling Type                        : ONAN

07. Vector Group                        :  DYn-11

08. Installation                            : Indoor / Out door

09. Tap Changer                         : Off Load, Manual Type

10. Rated Tapings                       : +2.5%, 0, -2.5%X3.

11. Impedance                            : 6%(±10%)

12. No Load Loss                      :800Watt

13. Load Loss at 750C               :5000Watt

14. Total loss at 750C                :5800Watt

15. Ambient Temperature

16. Temperature Rise                : 400C

In Oil                     : 600C

In Winding            : 650C

17. BIL (For HV)                       : 75kV

18.  Accessories:

                      Silica Gel Breather

                      Contact Type Dial Thermometer

                      Horn Gap Arrestor

                      Conservator

                      Lifting Lugs

                      Earthing Terminals

                      Name Plate

 

Country Of Origin :

TRANSFORMER         :  W4U Group

Silicon Steel                  :  POSCO, Korea

Copper Strip (LT Wire):   MRS (BRB) Industries. Ltd. (Bangladesh)/RR Imperial         ltd./RR Cables ltd

Copper Wire (HT)       :  BRB Industries. Ltd.(Bangladesh)/ RR Cables ltd/RR         Imperial ltd

Insulation Board         :  China.

Paper Insulation         :  China.

Transformer Oil          :  Savita Polymer, India

 

ORIGIN of: W4U Group, Bangladesh.


Item

Description

Qty

No

3

L.T. SWITCH-GEAR - 800A:-

01No.

Sheet steel clad, dust and vermin proof, free standing, floor mounting type, Powder Coated Paint factory assembled LT switch gear with 1000A TP+N hard drawn electrolytic copper Bus bar suitable for 415V, 3Phase, 4 wire, 50Hz, operation complete with all wiring and gutter space for maximum size of cable entrance suitable for both top & bottom entry. The cubicle shall make of 16 SWG sheet. The switch-gear shall include the following components:

 

INCOMING:

1No-800Amps, 50KA TP MCCB  adjustable type with Thermal & magnetic

        Short circuit release.

3Nos - Current Transformer ratio: 800/5A.

1No - Ammeter scaled (0-800A) with Selector Switch.

1No - Voltmeter scaled (0-500V) with Selector Switch.

3Nos –Phase Indicating lamp.   

1Set -Control Fuse.

OUT GOING:

2Nos- 250Amps,36KA TP MCCB Fixed type with magnetic

          Short circuit protection.

2Nos- 100Amps,15KA TP MCCB Fixed type with magnetic

          Short circuit protection.

1No-  400Amps,36KA TP MCCB Fixed type with magnetic

          Short circuit protection.  [For PFI Control]

Origin: Schneider Electric, Assemble in Singapore.

MCCB: Schneider Electric, Singapore/ Thailand.

ASSEMBLER: W4U Group, BANGLADESH.


Item

Description

Qty

No

4

300 KVAR AUTO/MANUAL PFI PLANT:-

01No.

Sheet steel clad, dust and vermin proof, free standing, floor mounting type factory assembled 300KVAR. Auto/Manual P.F.I. with 500A TP+N hard drawn electrolytic copper Bus bar suitable for  415V, 3Phase, 4 wire, 50Hz operation complete with all wiring and gutter space for maximum size of cable entrance suitable for both top & bottom entry. The cubicle shall be made of 16 SWG sheet. Powder Coated paint. The panel  6 witching steps, comprising with the following components:

1 No-12.5KVAR, 400V, 50Hz, 3Phase, dry type, P.F Capacitor bank with built

          In discharge resistor. (Fixed)

1No- 12.5 1No- 12.5KVAR, 415V, 50Hz, 3Phase, dry type, P.F Capacitor bank

               With built in discharge resistor.

1Nos-25KVAR, 415V, 50Hz, 3Phase, dry type, P.F Capacitor bank with

          Built in discharge resistor.

3Nos- (2×25)50KVAR, 415V, 50Hz, 3Phase, dry type, P.F Capacitor bank with      built in discharge resistor.

1No-(4×25)100KVAR, 415V, 50Hz, 3Phase, dry type, P.F Capacitor bank with built in discharge resistor.

1No- Six (06) stage reactive power regulator which performance the

          switching Capacitor Bank in Automatic power factor correction

          equipment depending on changes of reactive power complete

           with P F Luminescent indicators & digital power factor meter 6Nos-Magnetic Contactor of adequate ratings.

7Nos- MCB & MCCB,TP of adequate rating.

9Nos - Indicating Lamps.

12Nos- ON/OFF Push Button Switch.

1No- Auto/Manual Selector Switch.

1No- Current Transformer.

1 Set- Control fuses

3Nos-Auxiliary Contractor.

 

Country of Origin:

Capacitor Bank- Electron icon, Germany.

PFC Relay-   Electron icon, Germany.

Magnetic Contractor- Schneider Electric, France/GE, Spain.

ASSEMBLED: W4U Group, BANGLADESH.

Item

Description

Qty

No

5

DROP OUT FUSE (DOF):

01Set.

Technical Specification:

Rated Voltage (Normal) : 11 KV

Rated Max. Voltage  : 15 KV

Frequency : 50 Hz

BIL  : 75 KV

Rated Current (rms)  : 100 A

Interrupting Current (rms) : 10 KV

Withstand Test Voltage 

Wet, 10Sec. : 35 KV

Dry, 1Min. : 30 KV

6

LIGHTNING ARRESTOR (LA):

01Set.

Technical Specification:

Rated Voltage (RMS)             : 9 KV

Rated System Voltage  : 12 KV

Frequency : 50 Hz

Min Spark Over Voltage (rms) : 14 KV

Mix. Spark Over Voltage (rms) : 40 KV

Mix. Impulse Spark (Crest)  : 45 KV

Withstand Test Voltage 

Wet, 10Sec. : 24 KV

Dry, 1Min. : 28 KV

Discharge 33KV (Crest) : 5 KA

Impulse Current Withstand : 55 KA


PRICE OFFER

For 500 KVA SUB-STATION EQUIPMENT

Item

Description

Qty

Price in Taka

No

Unit Price

Total Price

 

PART-A

 

 

 

EQUIPMENT

1

H.T Switch-gear L.B.S:-

01No.

210,000.00

210,000.00

2

500 KVA Distribution Three Phase Transformer

01 No.

820,000.00

820,000.00

3

L.T. Switch-gear -800A:-

01No.

200,000.00

200,000.00

4

Auto/Manual PFI Plant-300KVAR:-

01No.

240,000.00

240,000.00

5

11KV Dropout Fuse :-

01Set.

8,000.00

8,000.00

6

11KV Lighting Arrestor:-

01Set.

8,000.00

8,000.00

Total Tk.

1,486,000.00


Sl. No

PART-B

 

 

 

INSTALLATION

1

Termination Kits :-

06 Sets.

2,000.00

12,000.00

2

Ear thing for Sub- Station:-

 

 

105,000.00

Copper wire 6 mm, 80 feet boring, 1 inch GI pipe 10 feet per unit and complete the work.

05Nos.

21,000.00

3

Installation Testing & Commissioning for Sub-station:

 

 

40,000.00

(Without Cable, Cable socket, Cable tic, Nut bolt, cable stand & other necessary accessories etc.)

01Job

40,000.00

4

Transportation, Loading & Unloading

1 Job

25,000.00

25,000.00

5

ELB from BPDB

1 Job

50,000.00

50,000.00

Total Tk.

232,000.00

 

                                                     Grand Total Amount (A+B) Tk.

1,718,000.00

In word BDT: Seventeen Lac Eighteen Thousand Taka Only.

We hope you will find our offer most suitable for your requirement. If any queries you need, Please feel free to contact us. Looking forward for your valued order.

 

Thanking you & assuring our best service at all times.

 

For  W4U Group.

 

Thanking you.

With the best regards

Engr. M. A. Masud Khan

Manager Grade-2,

Design and Planning

W4U Group, Chittagong, Bangladesh.