No. COA/BHL/2018/293 Dated: REQUEST FOR QUOTATIONS

Transcription

1 College of Agriculture, Maharana Pratap University of Agriculture & Technology, Bhilwara (Rajasthan) Phone: (O), No. COA/BHL/2018/293 Dated: REQUEST FOR QUOTATIONS Sealed Quotations, in prescribed format (Annexure-I), are invited on behalf of the College of Agriculture, Bhilwara (Maharana Pratap University of Agriculture and Technology, Udaipur) (Rajasthan) for the procurement of Aluminium wound three star rating distribution transformer of rating 160 KVA as detailed below in the Schedule of Supply, from manufacturers/ distributors/authorized dealers/stockiest/registered Bidders/bona-fide dealers etc upto the Date and Time Specified below: This bidding document may also be downloaded from the website of and 1. Procuring Entity s address for Bid Submission, clarification, and opening of Bids Dean, College of Agriculture Maharana Pratap University of Agriculture & Technology, Bhilwara (Rajasthan) Phone: (O), coabhilwara@gmail.com, deancoabhl@mpuat.ac.in 2. Deadline for Bid submission AM 3. Bid opening Noon SCHEDULE OF SUPPLY : S.No. Name of the Goods/Services/ Works Approx. Total Amount (Rs.) 1 Aluminium wound three star rating distribution transformer of rating 160 KVA (Specifications enclosed) Rs. 1,95, DEAN

2 GENERAL TERMS AND CONDITIONS: 1. The bid/quotation must be submitted on official letter head of the bidder in the enclosed format (Annexure-I) and signed by the Bidder and must be properly sealed in an envelope. On the envelope Quotation for the Aluminium wound three star rating distribution transformer of rating 160 KVA Due date of opening and Bid Ref. No. must be clearly marked. If the bid is not sealed and marked as required, the Procuring Entity shall assume no responsibility about its consequences including misplacement and premature opening of the Bid. 2. Quotation shall remain valid for acceptance for a period not less than 90 days after the deadline date specified for submission. 3. The rates quoted by the bidder shall be in Indian Rupees only. 4. All taxes like Central/Rajasthan Sales Tax/VAT/GST, Service Tax, etc., to be charged extra should be shown separately (along with their rate) failing which the rates quoted by the bidder shall be assumed to be inclusive of all taxes and levies. 5. All rates quoted must be FOR destination and should include all incidental charges. 6. The goods quoted should be as per the required specifications. Any deviations should be mentioned in the quotations. 7. The Procurement Entity will award the contract/supply Order to the bidder whose quotation has been determined to be substantially responsive, conform to the terms and conditions and specifications and who has offered the lowest evaluated quotation price. 8. Notwithstanding the above, the Procurement Entity reserves the right to accept or reject any quotations and to cancel the bidding process and reject all quotations at any time without assigning any reason. 9. Quantities given are approximate and the final order may be placed for more or less quantities. 10. Normal commercial warranty/guarantee shall be applicable to the supplied goods. 11. The bidder has to mention their RST/CST/VAT/GST/TIN No. in their quotations otherwise their bids are liable to be rejected. 12. Payment shall be made against printed, pre-receipted, and pre-stamped invoice/bill mentioning RST/CST/VAT/GST/TIN No. as applicable. 13. The firm will have to provide CTL test certificate from AVVNL at his own. 14. The firm will have to provide permission from electrical inspector for commissioning. The fee of electrical inspector will be paid by firm. DEAN

3 Annexture-I FORMAT OF QUOTATION (To be submitted on the Letter head of the Bidder) S.N o. Name of the Goods/Services/ Works with specifications (Including installation requirements, if any) Quantity required Rate should be quoted Per transformer Taxes and their rate (if not included) 1 Aluminium wound three star rating distribution transformer of rating 160 KVA (Specifications enclosed) One DECLARATION I. I/We declare that I am /we are Manufactures/Whole sellers/sole distributor/ Authorized dealer/ bonafide dealers in the Goods and Related Services of Services/Works for which I/We have Bid. II. I/We agree to supply the above goods/services in accordance with the technical specifications within the period specified in the Bidding Documents I/We further agree that our rates, if approved, shall remain valid for further minimum Three months from the Last Date of Submission of Quotations. III. We also confirm that the normal commercial Warrantee/Guarantee of. Months shall apply to the offered goods. I/We have not been debarred by the State Government or the Procuring Entity. IV. If this declaration is found to be incorrect or I/We fail to supply the goods/services then without prejudice to any other action that may be taken, the Supply Order/Bid, if any to the extent accepted, may be cancelled and I/We may be debarred from participating in future bids as per rules. Signature of Bidder Name Contact No.

4 Specifications GUARANTEED TECHNICAL PARTICULARS 160 KVA (AL) Aluminium Wound (Three Star Reting, 11/0.433 KV (Energy Efficiency Level 2) DISTRIBUTION TRANSFORMER S.No PARTICULARS UNITS AS OFFERED 1 Service (Outdoor, Continuously rated) Outdoor, Continuously rated 2 Type (CRGO/Amorphous Core) Conventional Type 3 Continous max. Rating under peak ambient temp. KVA 160 of 50 0 C 4 Rated Voltage (a) HV KVA 11 (b) LV KVA Rated Current (a) HV (b) LV Amp Amp Rated Frequency HZ 50 7 No. of phases Nos. 3 8 Method of connection (a) HV (b) LV Delta Star 9 Vector group reference Dyn Method of cooling ONAN 11 Max. temperature rise obtained by the transformer when run at the maximum ambient temp. of 50 0 C (a) Of top oil by thermameter (b) Of winding by resistence 12 Hottest spot tem. at rated current and voltage,calculated corresponding to the yearly weighted average ambient temp. of 35 0 C 13 Total Losses (Watts) at 75 0 C at 50 Loading (Max.) 14 Total Losses (Watts) at 75 0 C at 100 Loading 0 C 35 0 C 40 0 C 98 Watts. 670 (NL + LL) Watts (NL + LL) (Max.) 15 Percentage impedance at full load and at 75 0 C 4.5 (+10) 16 Percentage resistance at full load and at 75 0 C Percentage reactance at full load a) Efficiency at 75 0 C At unity power fector:- (i) At 125 of full load (ii) At 100 of full load (iii) At 75 of full load (iv) At 50 of full load (v) At 25 of full load b) At 0.8 power factor:- (i) At 125 of full load (ii) At 100 of full load (iii) At 75 of full load (iv) At 50 of full load (v) At 25 of full load Maximum efficiency Load at which max. efficiency occurs Regulation at full load & at 75 C: (a) At unity power factor (b) At 0.8 power factor Telsa < Max. flux density at rated voltage and rated frequently 23 Percentage no load current at rated frequency (without any positive tolerance) a) At rated voltage 3 b) At rated voltage 6 24 Insulation level of transformer:- (a) Impulse strength of HV KVP 75

5 (b) Power frewuency with stand voltage (c) HV (d) LV 25 HV Bushing Details:- (a) Rating of the bushing (b) Impulse strength (c) Power frequency withstand voltage, dry and wet (d) IS reference 26 LV Bushing details:- (a) Rating of the bushing (b) Power frequency withstand voltage, dry and wet (c) IS reference 27 Details of core:- (a) Type of core KVrms 28 KVrms 3 250Amp/17.5KV 95 KV 28 KV (RMS) As per IS 3347, Part-III 630 Amp/1.1 KV 3KV (RMS) As per IS IS3347, Part-I C.R.G.O. (b) Grade Mm M 4 (c) Thickness 0.30 or Better (d) Tolerance in thickness of CRGO Mm As per Tender specifications (e) Core dia (minimum) 137 (f) Effective core area taking staking Mm (g) Center distance between Core limbs (CL) Mm 333 (h) Window height (WH) Mm HV coil constructional details:- (a) Type of winding (b) No. of coils per phase (c) Conductor cross section (min) (d) Bare conductor dia (e) Covered conductor dia (f) Phase current (HV) (g) Current density (h) Coil ID (i) Coil OD (j) Coil axial length (k) Total No. of turns per phase (l) Resistance per phase at 75 C (m) Weight of cover conductor per transformer (n) Inter layer insulation (o) Nos. of vertical spacers per circle (in the annular gap between LV&HV) 29 LV Coil constructional details (a) Type of winding (b) No. of coils per phase (c) Conductor cross section (min) (d) Bare strip size (e) No. of conductors in parallel (f) Covered conductor size (g) Phase current (LV) (h) Current density (i) Coil ID (j) Coil OD (k) Coil axial length (l) Total no. of turns per phase (m) Resistance per phase at 75 C (n) Weight of covered conductor per transformer (o) Inter layer insulation (p) Nos. of vertical spacers per circle Section/Cross over Nos. 6 Mm mm 2.78 Mm 3.08 Amp 4.85 A/mm (Max) Mm 230 Mm 323 Mm 83 Nos 2376 Ohms Kgs Mils 4 nos 8 Spiral Nos. 1 Mm sq Mm 2 9.2x3.25 Nos. 2W/4D Mm 2 9.5x3.55 Amp Mm (Max) Mm 147 Mm 208 Mm 570 Nos. 54 Ohms Kgs Mils 4 Nos Minimum external clearance e in air (with B M Cs mounted) (a) HYV phase to phase (b) HV phase to earth (c) LV phase to phase (d) LV phase to earth Mm 255 Mm 140 Mm 75 Mm 40

6 31 Minimum internal clearances (in oil) (a) Between HT outside surface and tank inside Mm 25 (non bushing side) (b) Between HT outside surface and tank inside (HV & LV bushing side) Mm 40 (c) Between HV winding & yoke (end Mm 20 insulation) (d) LV winding & yoke Mm 5 (e) From top of yoke to inside of the top cover Mm 75 (With Gasket) (f) LT.HT coil annular gap (bare conductor) Mm 11 (g) Redial clearance between core & LV coil Mm 5 (bare conductor) (h) Phase to phase clearance between Limbs Mm 10 (HV conductors), with a minimum of 2 nos. x 1mm press board covering the tie rods (i) Minimum theckness of locking spacers Mm 8 between HV coil sections (including 1 mm ring of press board) (j) Maximum clearance of core channels from tank wall at eatch end As per tender specification 32 Tank details (a) Clear inside tank dimension (i) Length Mm 1039 (ii) Breath Mm 403 (iii) Height mm 952/968 (b) Tank sheet thickness (i) Sides Mm 4 (ii) Top Mm 5 (iii) Bottom Mm 5 (c) Tank stiffener details (i) No. of stiffeners around the tank Nos. 1 (ii) Size mm 40 x 40 x 6 33 Cooling radiator details : (a) Cooling tube size (b) Total length of tubes used (c) Whether cooling calculations attached (d) No. of tubes on each side Mm 700 Meters Nos. 5 x 2 x 2 34 Tie rod details Mm/no 16 x 4 35 Core detaisl (i) Size of core frame channels Mm 100 x 50 (ii) Core diameter (mm) Mm 137 (iii) Core stud details Mm/no 16 x 4 (iv) Core coil assembly base supports (2 nos.) Mm 100 x 50 (v) Window height Mm 580 (vi) Limb center mm Transformer weight details:- (a) Core coil assembly (b) Tank with fittings (c) Oil weight (d) Total weight of transformer (without Box) (e) Volume of oil (minimum quantity for first fillings) 37 Overall dimensions (a) Length (b) Breath (c) Height 38 Whether the bidder is an ISO:9001/ 9002 certified company Kgs. 565 Kgs. 240 Kgs. 260 Kgs Litrs. 321 Mm 1280 Mm 1020 Mm Cable box on HV side Yes to be provided 40 Cable box on LV side Yes to be provided Yes we are an ISO 9001/2000 certified Co. for design manufacture of Power & Distribution & CRGO lamination DPC copper/aluminium wire and strips and MS tanks