Supplying and erecting commissioning and testing of 315 KVA Transformer for Hill No.2 at Ukai Dam

Name of Work : Supplying and erecting, commissioning and testing of 315 KVA Transformer for Hill No.2 at Ukai Dam

Per Description Item Rate Words Per Amount

Providing, erecting, testing & commissioning approved make oil

immersed ONAN cooled, double wound, core type indoor / outdoor

copper wound 11KV/ 433V step down transformer of following capacities

operating on 3 phase, 50 Hz 4 wire & neutral earthed system

continuously rated for a full temperature rise in oil not exceeding

Deg.C.at maximum ambient temp. of 50 Deg. C. complete with

necessary radiator first filling of new transformer oil & standard fitting as

below complying with IS 1180( Part 1 ):2014 standards with energy

efficiency level

Off load tap changing range steps +2.5% to -5% on H.V for variation

should be provided. The H.V. shall be connected Delta & Secondary with

star connection. The transformer should have cable-end boxes on H.T.

side suitable for up to 3 core 150 sq.mm. XLPE cable & on L.T. side

suitable for bus duct or cables as per requirement complete with test

certificates from manufacturers

1. Oil conservator with filling Hole & Cap - One No.

2. Thermometer pocket with 6" dial type thermometer switch alarm &

trip contacts- Two nos.

3. Silica-gel breather with charge- One No.

4. Plain oil level gauge - One No.

5. Drain / Sampling / Filter valve- One No.

6. Top Filter Valve - One No.

7. Explosion vent with Diaphragm - One No.

8. Rating & Diagram plate - One No.

9. Additional neutral bushing for earthing - One No.

10. Bi directional Roller - Four Nos.

11. Earthing terminals - Two Nos.

12. Lifting lugs - Two Nos.

13. Air release plug. - One No.

14. Double float buchholz relay with Alarm and trip contacts.

15. Control cable as required from Transformer to VCB Panel is to be

provided with necessary connection to VCB relays for protection.

as per IS 1180 level-2

Rupees Seven Lakh NinetySeven

Max. allowable loses at 50 % of rated load is 1.025 KW and at full load is

1 797411.16 Thousand Four Hundred Eleven Ea.

Paise Sixteen Only

I/We am/are willing to carry out the work at …………………………………………………………………% above/below percent (shouldbe written in figured

and words) of the estimated rates mentioned above. Amount of my/our tender works out as under.

Estimated amount Estimated amount

Put to tender Rs……………. Put to tender Rs…………….

Deduct : ……. % Above RS…………… Deduct : ……. % Below RS……………

Net Rs…………… Net Rs……………

*(Please strike out whitchever is not applicable).

Note 1 – All work shall be carried out as per public works department handbook and other specification of Division ot as directed.

Note 2 – All the columns is schedule should be filled in ink and the total of the entries in the last column should be struck by the contractor under

Note 3 – Rates quoted include clearance of site (prior commencement of work and at its close ) in all respects and hold good for work under all

conditions, site, moisture,weather etc.

Note 4 – To be continued on additional sheets, if found necessary.

Note 5 - The rates quoted by the Contractor must be inclusive of all taxes prevailing on due date of bid submission except GST. However, any

subsequent changes in the tax structure by Government after due date of bid submission will be compensated (+/-) on availability or submission of

actual documentation. Contractor will have to intimate Engineer regarding changes occurred in the tax structure after bid submission. If the

contractor fails to provide such information and if any financial obligation may arise due to change in tax structure, same will be recovered from the

contractor. GST will be paid separately on the bills. Hence, it is the responsibility of the contractor to pay the GST to the concerned Authority.

Deputy Executive Engineer Executive Engineer

Electrical Sub Division Ukai Division No