Military Engineer Services-MES has published Special Repair / Replacement Of Ber Transformers With New Transformers At Certain Area Under Ge Shillong. Submission Date for this Tender is 14-11-2022. Transformer Supply Tenders in shillong Meghalaya. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 07-Oct-2022 | Other corrigendum | Other | 28-10-2022 |
| 2 | 28-Oct-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 04-11-2022 |
| 3 | 03-Nov-2022 | Amndt in critical dates | Date | 14-11-2022 |
| Sl. No. | Item Description |
| 1 | Supply, installation, testing and commissioning of double wound copper transformer step down, outdoor type complete with standard fittings, primary voltage HT 11000 Volts and secondary voltage LT 433 volts, 3 Phase 4 wire with frequency 50 Hz.Provided with 5 No of off load tappings on HT side to vary secondary voltage within range of +7.5% in steps of 2.5% (with off load manual tap changer) , star delta connections with vector group of DYN 11, Impedance of not more than 5% and including PCC Foundation,first filling of transformeroilas per IS:335 and colour coating with one coat of primer and two coats of BS grey colour.Energy efficiency all as per IS:1180, level - 2 of capacity of 100 KVA with the following accessories:- (a) Rating and Terminal marking plate- one(b) Body Earthing Terminal- Two (c) Lifting Lugs- Two(d) Drain valve with Blanking plate - One (e) Filter Valve with blanking plate- One(f) Conservator-One(g) Oil Level indicator with minimum, optimum and maximum marking(h) Dyhydrating breather with first fill of dehydrating agent (Silica Gel) -One (j)Air Release device - One (k)Thermometer Pocket-One (l) Pressure relief valve and explosion vent - One (m) Roller unidirectional - Four(n)Proper cable termination at both primary and secondary side(o)Separate Brought out Neutral Terminal at star point of secondary side (p)Off Circuit Tap Changer (q)Oil temperature gauge (r) Suitable foundation/ platform of height upto 1.5 mtr for mounting of transformer as per manufacturer"s recommendation. |
| 2 | Note :-(a) Factory inspection and factory testing of the transformer shall be done by the rep of Accepting Officer. Necessary arrangement for factory inspection and testing to be done by the contractor. Rates for the same will be deemed to be included in the quoted rates. (b) Contractor should submit the drawing of the transformer based on the IS and Energy level mentioned in BOQ and take necessary approval from GE before finalising order to the manufacturer. (c) Pre-commissioning test after installation at site to be conducted by rep of accepting officer. Necessary testing arrangement to be done by contractor. (d) The contractor should submit test certificate from manufacturer. |
| 3 | All as per item Ser No 1.00 here-in-before but Supply and installation of double copper wound transformer of capacity 250 KVA |
| 4 | All as per item Ser No 1.00 here-in-before but Supply and installation of double copper wound transformer of capacity 200 KVA |
| 5 | Material and labour for shifting of BER Transformer of any size/type from existing location to AGE E/M store yard and Happy valley store including dismantling all electrical and earthing connections complete all as specified and directed. |
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