| 1 | Supply, installation, testing and commissioning of copper wound HT-AVR, 11 KV/11 KV rated, outdoor type, oil immersed, naturally cooled ONAN, rated temperature rise in oil & winding 50/55 degree centigrade complete with standard fittings of capacity 800 KVA, ONAN Cooled Oil Immersed Copper Wound OUTDOOR HT-AVR ON-Load Stepless Rolling Contact type suitable for balanced Supply and unbalanced Load suitable for Input supply : 8.8 KV to 12.1KV, 3 Phase, 50 Hz and Output supply : 11 KV + 1%, 3 Phase, 50 Hz, consisting of step down transformer double wound, star/ delta connected with vector group DYN11 with on load tap changer (OLTC) + Remote ap cubicle changer (RTCC) panel+ Automatic voltage regulator (AVR) with approx 17 step position and tapping range +10% to -20% in steps of 1.875% each or nearest as per OEM design, on load stepless rolling contact type regulator, auto wound delta connected, booster transformer, double wound open / open, automatic control gear consists of followings :-
| 2 | Each Job |
| 2 | (a) One electronic relay,
(b)One reversing geared motor unit.
(c) Two limit switches in order to avoid over-running highest and lowest position, Chain Drive, coupling devices and all electrical connections including cable box on LT and HT side , first fill of transformer oil, suitable mounting rails of appropriate gauge and other standard accesssories, 0.5 KVA UPS for auxiliary supply complete | | |
| 3 | Note: The rate quoted deemed to be inclusive of the following:-
(a) Accessories such as magnetic oil level gauge, rating and diagram plate, monogram plate,explosive vent with daiphargm,thermometer pocket with thermometer, top filter valve, gun metal drain valve at bottom,Air release plug, Inspection cover, lifting lugs/hooks, earthing pads, bi-directional plain rollers, oil temperature indicator OTI, winding temperature indicator WTI, Buchholz relay with valve, marshalling box, silica gel breather & other standard accessories all as per IS.
(b) The HT-AVR foundation is not included in the quoted rate the same shall be measured and paid seperately under relevant item. | | |
| 4 | (c) The energy efficient level shall be EEL-2 as per IS 1180 and IS 2026. The quoted rate inclusive of supply of next nearest higher capacity as per OEM design without any extra cost.
(d) The Contractor shall submit technical specifications and General Arrangement drawings of OEM for approval of GE before placing order.
(e)The Contractor shall make all necessary arrangements for pre-despatch inspection at manufacturer site or digital e-testing as directed by AO to be arranged and for pre-commissioning test by AEI/ESO / rep nominated by HQ CE (A&N) Zone after installation. The cost for the same is deemed to be included in quoted rate. | | |
| 5 | Supply, laying, testing & commissioning of HT UG cable, XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable(heavy duty) with stranded aluminium conductor, 6.35/11 KV grade (Earthed system cable) of size 3 core 95 sqmm complete all as specified and directed.
Note:- Earth work, sand cushioning, concrete cable covers, GI pipe protection for road crossings, HT termination joints will be measured and paid separately. | 170.00 | RM |
